Merge the coach cap counting only the tokens the operator paid for

Background insights can no longer use up the day before somebody asks a question; a fifth of the daily limit is held back for what a person does by hand.

messages/de.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Anthropic-Schlüssel (persönlich)",
       "typeCodex": "ChatGPT-Anmeldung (persönlich)",
       "typeLocal": "Lokales Modell (persönlich)",
-      "typeGateway": "OpenAI-kompatibles Gateway (persönlich)"
+      "typeGateway": "OpenAI-kompatibles Gateway (persönlich)",
+      "spendToday": "Heute ({date}): {total} Tokens, davon {operator} auf dem Schlüssel des Betreibers."
     },
     "aiQuality": {
       "title": "Auswertungs-Qualität",

messages/en.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Anthropic key (personal)",
       "typeCodex": "ChatGPT sign-in (personal)",
       "typeLocal": "Local model (personal)",
-      "typeGateway": "OpenAI-compatible gateway (personal)"
+      "typeGateway": "OpenAI-compatible gateway (personal)",
+      "spendToday": "Today ({date}): {total} tokens, {operator} of them on the operator's own key."
     },
     "aiQuality": {
       "title": "Insights Quality",

messages/es.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Clave de Anthropic (personal)",
       "typeCodex": "Inicio de sesión de ChatGPT (personal)",
       "typeLocal": "Modelo local (personal)",
-      "typeGateway": "Pasarela compatible con OpenAI (personal)"
+      "typeGateway": "Pasarela compatible con OpenAI (personal)",
+      "spendToday": "Hoy ({date}): {total} tokens, {operator} de ellos en la clave del operador."
     },
     "aiQuality": {
       "title": "Calidad de los análisis",

messages/fr.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Clé Anthropic (personnelle)",
       "typeCodex": "Connexion ChatGPT (personnelle)",
       "typeLocal": "Modèle local (personnel)",
-      "typeGateway": "Passerelle compatible OpenAI (personnelle)"
+      "typeGateway": "Passerelle compatible OpenAI (personnelle)",
+      "spendToday": "Aujourd'hui ({date}) : {total} jetons, dont {operator} sur la clé de l'opérateur."
     },
     "aiQuality": {
       "title": "Qualité des analyses",

messages/it.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Chiave Anthropic (personale)",
       "typeCodex": "Accesso ChatGPT (personale)",
       "typeLocal": "Modello locale (personale)",
-      "typeGateway": "Gateway compatibile OpenAI (personale)"
+      "typeGateway": "Gateway compatibile OpenAI (personale)",
+      "spendToday": "Oggi ({date}): {total} token, di cui {operator} sulla chiave dell'operatore."
     },
     "aiQuality": {
       "title": "Qualità delle analisi",

messages/ko.json

@@ -7290,7 +7290,8 @@
       "typeAnthropic": "Anthropic 키 (개인)",
       "typeCodex": "ChatGPT 로그인 (개인)",
       "typeLocal": "로컬 모델 (개인)",
-      "typeGateway": "OpenAI 호환 게이트웨이 (개인)"
+      "typeGateway": "OpenAI 호환 게이트웨이 (개인)",
+      "spendToday": "오늘({date}): 토큰 {total}개, 그중 {operator}개는 운영자 키에서 사용되었습니다."
     }
   },
   "achievements": {

messages/pl.json

@@ -6683,7 +6683,8 @@
       "typeAnthropic": "Klucz Anthropic (osobisty)",
       "typeCodex": "Logowanie ChatGPT (osobiste)",
       "typeLocal": "Model lokalny (osobisty)",
-      "typeGateway": "Brama zgodna z OpenAI (osobista)"
+      "typeGateway": "Brama zgodna z OpenAI (osobista)",
+      "spendToday": "Dzisiaj ({date}): {total} tokenów, w tym {operator} na kluczu operatora."
     },
     "aiQuality": {
       "title": "Jakość analiz",

prisma/migrations/0340_coach_usage_operator_tokens/migration.sql

@@ -0,0 +1,15 @@
+-- v1.38.19 — the daily coach ledger gains a cost-owner dimension.
+--
+-- `coach_usage` counted one number per (user, day), so tokens the USER's own
+-- plan paid for (a `codex` fallback hop after the operator's shared key
+-- answered 500) were charged against the operator-cost cap and locked the
+-- interactive chat out every morning. `operator_tokens` is the share of
+-- `total_tokens` served by an operator-funded provider (`admin-openai` /
+-- `admin-codex`); the operator cap is enforced against it, the user-plan cap
+-- against `total_tokens`.
+--
+-- Existing rows start at 0: their owner split is unknown and 0 is the side
+-- that cannot lock a user out of a chat the operator never paid for. The
+-- counter is exact from the first turn after deploy.
+ALTER TABLE "coach_usage"
+  ADD COLUMN IF NOT EXISTS "operator_tokens" INTEGER NOT NULL DEFAULT 0;

prisma/migrations/0341_arrival_reaction_cost_owner/migration.sql

@@ -0,0 +1,18 @@
+-- v1.38.19 — the arrival reaction remembers who paid for
+-- its reservation.
+--
+-- The row persisted the reserved amount and the date key but not the cost
+-- owner, and two readers need it. The supersede refund in `data-arrival.ts`
+-- reverses a pre-provider reservation with no chain in hand at all, so without
+-- this column it could only reverse `total_tokens` — leaving the operator
+-- share of every superseded reservation on the row forever, walking the
+-- operator's ceiling upward against spend that never happened. The resume path
+-- in `reaction-line.ts` re-derived the owner from the chain as it stands NOW,
+-- and the chain is re-resolved per run and reordered by the health ledger, so
+-- a reservation booked to the operator could be reconciled as the user's (the
+-- same leak) or vice versa (draining another request's balance).
+--
+-- Nullable, no default: an existing row's owner is genuinely unknown, and the
+-- two readers fall back to the previous behaviour for those.
+ALTER TABLE "arrival_reactions"
+  ADD COLUMN IF NOT EXISTS "generation_cost_owner" TEXT;

prisma/schema.prisma

@@ -6267,13 +6267,19 @@ model HealthProfileFactRevision {
 // secondary signal used by the frontend to render a "≈ N replies left"
 // hint without exposing raw token figures.
 model CoachUsage {
-  id           String   @id @default(cuid())
-  userId       String   @map("user_id")
-  dateKey      String   @map("date_key")
-  totalTokens  Int      @default(0) @map("total_tokens")
-  messageCount Int      @default(0) @map("message_count")
-  updatedAt    DateTime @updatedAt @map("updated_at")
-  createdAt    DateTime @default(now()) @map("created_at")
+  id          String @id @default(cuid())
+  userId      String @map("user_id")
+  dateKey     String @map("date_key")
+  totalTokens Int    @default(0) @map("total_tokens")
+  /// v1.38.19 — the share of `totalTokens` served by a provider the
+  /// OPERATOR funds (`admin-openai` / `admin-codex`). The operator-cost cap is
+  /// enforced against this counter and the user-plan cap against
+  /// `totalTokens`, so background work served by the user's own plan can no
+  /// longer lock the interactive chat out of the operator's ceiling.
+  operatorTokens Int      @default(0) @map("operator_tokens")
+  messageCount   Int      @default(0) @map("message_count")
+  updatedAt      DateTime @updatedAt @map("updated_at")
+  createdAt      DateTime @default(now()) @map("created_at")
 
   user User @relation(fields: [userId], references: [id], onDelete: Cascade)
 
@@ -6755,6 +6761,12 @@ model ArrivalReaction {
   /// `coach_usage` increment. A reclaimed pre-provider attempt reuses it.
   generationReservedTokens    Int?      @map("generation_reserved_tokens")
   generationBudgetDateKey     String?   @map("generation_budget_date_key")
+  /// v1.38.19 — who the reservation above was booked to, `"operator"`
+  /// or `"user"`. Persisted rather than recomputed: the supersede refund in
+  /// `data-arrival.ts` has no chain to ask, and the resume path's chain may
+  /// have been reordered by the health ledger since the reservation was made.
+  /// Null on rows written before the column existed.
+  generationCostOwner         String?   @map("generation_cost_owner")
   /// Durable provider boundary. Once set, this marker is terminal unless the
   /// encrypted line is committed; no retry may invoke a provider again.
   generationProviderInvokedAt DateTime? @map("generation_provider_invoked_at")

src/__tests__/coach-usage-owner-columns-guard.test.ts

@@ -0,0 +1,133 @@
+/**
+ * Structural guard — `coach_usage.total_tokens` and `coach_usage.operator_tokens`
+ * move together in EVERY raw statement.
+ *
+ * v1.38.19 gave the daily ledger a second counter: `operator_tokens`
+ * is the share of `total_tokens` an operator-funded provider served, and the
+ * operator ceiling is enforced against it. The counters are only meaningful
+ * while they stay in step. A statement that writes the total and forgets the
+ * operator share under-counts the operator's exposure; a statement that
+ * reverses the total and forgets the operator share leaks budget permanently
+ * toward the operator cap, because nothing else ever subtracts it; a statement
+ * that RETURNS the total alone forces its caller to gate on the wrong number,
+ * which is how an operator-funded chain ends up refused over tokens the user's
+ * own plan paid for.
+ *
+ * Two of the three writers shipped with precisely those bugs, and both were a
+ * grep away. This guard is that grep, executable: every INSERT column list,
+ * every SET clause and every RETURNING list that names one counter must name
+ * the other. It also pins the writer set, so a fourth place that learns to
+ * write the ledger has to come past this file first.
+ */
+import { readdirSync, readFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+import { dirname, relative, resolve } from "node:path";
+
+import { describe, it, expect } from "vitest";
+
+const SRC_DIR = resolve(dirname(fileURLToPath(import.meta.url)), "..");
+const REPO_ROOT = resolve(SRC_DIR, "..");
+
+/**
+ * The production files allowed to hold raw `coach_usage` SQL. The ledger's
+ * invariants (two counters in one statement, one row per user and UTC day) are
+ * reasoned about here and nowhere else; a new entry means a new place those
+ * invariants can be broken, so it is a deliberate edit, not a side effect.
+ */
+const EXPECTED_SQL_WRITERS = [
+  "src/lib/ai/coach/budget.ts",
+  "src/lib/jobs/data-arrival.ts",
+];
+
+function collectSourceFiles(dir: string, out: string[] = []): string[] {
+  for (const entry of readdirSync(dir, { withFileTypes: true })) {
+    const full = resolve(dir, entry.name);
+    if (entry.isDirectory()) {
+      if (entry.name === "__tests__" || entry.name === "generated") continue;
+      collectSourceFiles(full, out);
+      continue;
+    }
+    if (entry.name.endsWith(".ts") || entry.name.endsWith(".tsx")) {
+      if (entry.name.endsWith(".test.ts") || entry.name.endsWith(".test.tsx")) {
+        continue;
+      }
+      out.push(full);
+    }
+  }
+  return out;
+}
+
+/**
+ * Every backtick-delimited SQL template literal in a source file. A prose
+ * mention of `coach_usage` in a doc comment sits between backticks too, so a
+ * literal only counts once it also reads like a statement.
+ */
+const SQL_STATEMENT = /\b(INSERT\s+INTO|UPDATE|DELETE\s+FROM|SELECT)\b/i;
+
+function sqlLiterals(source: string): string[] {
+  return (source.match(/`[^`]*`/g) ?? []).filter(
+    (literal) => literal.includes("coach_usage") && SQL_STATEMENT.test(literal),
+  );
+}
+
+/**
+ * The clauses of one SQL statement that name columns: the INSERT column list,
+ * every SET assignment block, and every RETURNING list. Each is checked on its
+ * own, because a statement can write both counters and still return only one —
+ * which is how the arrival-reaction reservation ended up gating the operator's
+ * cap on a mixed total.
+ */
+function columnClauses(sql: string): { label: string; text: string }[] {
+  const clauses: { label: string; text: string }[] = [];
+  for (const m of sql.matchAll(/INSERT\s+INTO\s+[\w"]+\s*\(([^)]*)\)/gi)) {
+    clauses.push({ label: "INSERT column list", text: m[1] });
+  }
+  for (const m of sql.matchAll(
+    /\bSET\b([\s\S]*?)(?=\bWHERE\b|\bRETURNING\b|$)/gi,
+  )) {
+    clauses.push({ label: "SET clause", text: m[1] });
+  }
+  for (const m of sql.matchAll(/\bRETURNING\b([\s\S]*?)(?=;|$)/gi)) {
+    clauses.push({ label: "RETURNING list", text: m[1] });
+  }
+  return clauses;
+}
+
+describe("coach_usage — the two counters move together", () => {
+  const files = collectSourceFiles(SRC_DIR);
+
+  it("names operator_tokens in every clause that names total_tokens", () => {
+    const offences: string[] = [];
+    for (const file of files) {
+      const source = readFileSync(file, "utf8");
+      if (!source.includes("coach_usage")) continue;
+      for (const literal of sqlLiterals(source)) {
+        for (const clause of columnClauses(literal)) {
+          if (!clause.text.includes("total_tokens")) continue;
+          if (clause.text.includes("operator_tokens")) continue;
+          offences.push(
+            `${relative(REPO_ROOT, file)} — ${clause.label}: ${clause.text
+              .replace(/\s+/g, " ")
+              .trim()}`,
+          );
+        }
+      }
+    }
+
+    expect(
+      offences,
+      `Every raw coach_usage clause that touches total_tokens must touch operator_tokens too:\n${offences.join("\n")}`,
+    ).toEqual([]);
+  });
+
+  it("keeps the raw-SQL writer set to the files that reason about the ledger", () => {
+    const writers = files
+      .filter((file) => {
+        return sqlLiterals(readFileSync(file, "utf8")).length > 0;
+      })
+      .map((file) => relative(REPO_ROOT, file))
+      .sort();
+
+    expect(writers).toEqual([...EXPECTED_SQL_WRITERS].sort());
+  });
+});

src/app/api/admin/provider-health/__tests__/route.test.ts

@@ -18,6 +18,9 @@ vi.mock("@/lib/db", () => ({
     providerHealth: {
       groupBy: vi.fn(),
     },
+    coachUsage: {
+      aggregate: vi.fn(),
+    },
   },
 }));
 
@@ -45,6 +48,7 @@ import { prisma } from "@/lib/db";
 import { requireAdmin } from "@/lib/api-handler";
 
 const groupBy = vi.mocked(prisma.providerHealth.groupBy);
+const aggregate = vi.mocked(prisma.coachUsage.aggregate);
 
 function group(
   providerType: string,
@@ -76,6 +80,9 @@ describe("GET /api/admin/provider-health", () => {
     vi.mocked(requireAdmin).mockResolvedValue({
       user: { id: "admin1" },
     } as never);
+    aggregate.mockResolvedValue({
+      _sum: { totalTokens: 0, operatorTokens: 0 },
+    } as never);
   });
 
   it("is admin-gated before it touches the ledger", async () => {
@@ -199,6 +206,49 @@ describe("GET /api/admin/provider-health", () => {
     ).toEqual(["admin-openai", "admin-codex", "anthropic", "local"]);
   });
 
+  /**
+   * v1.38.19 — the two spend figures side by side.
+   *
+   * The operator reads this card when the chat refuses. Until now it showed
+   * delivery health only, and the day's token figure was one number that mixed
+   * his own ChatGPT plan with the instance's key — so a refusal at 513 539
+   * tokens looked like his own doing. The split is what tells him which
+   * ceiling he hit.
+   */
+  it("reports the day's spend split by who paid for it", async () => {
+    groupBy.mockResolvedValue([] as never);
+    aggregate.mockResolvedValue({
+      _sum: { totalTokens: 1_240_000, operatorTokens: 151_200 },
+    } as never);
+
+    const res = await GET();
+    const body = await res.json();
+
+    expect(body.data.spendToday).toEqual({
+      dateKey: expect.stringMatching(/^\d{4}-\d{2}-\d{2}$/),
+      totalTokens: 1_240_000,
+      operatorTokens: 151_200,
+    });
+    // Today only, across every account — the operator's ceiling is per day.
+    expect(aggregate).toHaveBeenCalledWith(
+      expect.objectContaining({
+        where: { dateKey: expect.stringMatching(/^\d{4}-\d{2}-\d{2}$/) },
+      }),
+    );
+  });
+
+  it("reports a day with no spend as zero, not null", async () => {
+    groupBy.mockResolvedValue([] as never);
+    aggregate.mockResolvedValue({
+      _sum: { totalTokens: null, operatorTokens: null },
+    } as never);
+
+    const res = await GET();
+    const body = await res.json();
+    expect(body.data.spendToday.totalTokens).toBe(0);
+    expect(body.data.spendToday.operatorTokens).toBe(0);
+  });
+
   it("answers an empty ledger with an empty list, not an error", async () => {
     groupBy.mockResolvedValue([] as never);
 

src/app/api/admin/provider-health/route.ts

@@ -1,4 +1,5 @@
 import { apiHandler, requireAdmin } from "@/lib/api-handler";
+import { buildDateKey } from "@/lib/ai/coach/budget";
 import { prisma } from "@/lib/db";
 import { apiSuccess } from "@/lib/api-response";
 import { annotate } from "@/lib/logging/context";
@@ -49,6 +50,9 @@ export const GET = apiHandler(async () => {
   await requireAdmin();
   annotate({ action: { name: "admin.provider-health.get" } });
 
+  // The UTC day the ledger buckets by — the same key every reservation writes.
+  const dateKey = buildDateKey();
+
   const groups = await prisma.providerHealth.groupBy({
     // `lastStatus` joins the grouping key rather than an aggregate: the
     // MAX of two HTTP statuses is not a status, it is arithmetic on a
@@ -107,5 +111,24 @@ export const GET = apiHandler(async () => {
     return a.providerType.localeCompare(b.providerType);
   });
 
-  return apiSuccess({ providers });
+  // v1.38.19 — the day's spend, split by who pays for it.
+  //
+  // The operator opens this card when a surface refuses on budget. One mixed
+  // number could not answer the question it raised: a day at 1.24 M tokens is
+  // alarming until you see that 151 200 of them were the instance's own key
+  // and the rest ran on the users' plans. The operator ceiling is enforced
+  // against the second figure, so both belong on screen.
+  const spend = await prisma.coachUsage.aggregate({
+    where: { dateKey },
+    _sum: { totalTokens: true, operatorTokens: true },
+  });
+
+  return apiSuccess({
+    providers,
+    spendToday: {
+      dateKey,
+      totalTokens: spend._sum.totalTokens ?? 0,
+      operatorTokens: spend._sum.operatorTokens ?? 0,
+    },
+  });
 });

src/app/api/ai/test/__tests__/route.test.ts

@@ -30,9 +30,13 @@ vi.mock("@/lib/ai/coach/budget", () => ({
     allowed: true,
     reserved: 32,
     totalAfter: 32,
+    owner: "operator" as const,
+    operatorAfter: 32,
   })),
   reconcileSpend: vi.fn(async () => undefined),
   resolveDailyCap: () => 200_000,
+  resolveDailyCapFor: () => 200_000,
+  resolveCostOwner: () => "operator" as const,
 }));
 
 vi.mock("@/lib/logging/context", () => ({
@@ -376,6 +380,8 @@ describe("POST /api/ai/test — daily ceiling + ledger", () => {
       32,
       expect.any(Number),
       "2026-01-01",
+      0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
     );
   });
 });

src/app/api/ai/test/route.ts

@@ -19,6 +19,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { aiTestOverrideSchema } from "@/lib/validations/ai-provider";
@@ -113,6 +114,12 @@ export const POST = apiHandler(async (request: NextRequest) => {
         providerType: provider.type === "admin-key" ? "admin-openai" : "local",
       },
     ]),
+    resolveCostOwner([
+      {
+        providerType: provider.type === "admin-key" ? "admin-openai" : "local",
+      },
+    ]),
+    "coach",
   );
   if (!reservation.allowed) {
     annotate({ action: { name: "ai.test.budget_exceeded" } });
@@ -137,6 +144,11 @@ export const POST = apiHandler(async (request: NextRequest) => {
       reservation.reserved,
       result.tokensUsed ?? reservation.reserved,
       dateKey,
+      0,
+      {
+        servedBy: provider.type === "admin-key" ? "admin-openai" : "local",
+        reservedOwner: reservation.owner,
+      },
     );
 
     return apiSuccess({
@@ -155,7 +167,10 @@ export const POST = apiHandler(async (request: NextRequest) => {
     // A failed probe produced no reported usage — refund the reservation so a
     // provider that is simply misconfigured doesn't burn the caller's ledger
     // while they fix it.
-    await reconcileSpend(user.id, reservation.reserved, 0, dateKey);
+    await reconcileSpend(user.id, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     annotate({
       meta: {
         ai_test_error: err.message.slice(0, 500),

src/app/api/documents/inbound/[id]/chat/__tests__/route.test.ts

@@ -51,6 +51,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 600 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 100000),
+  resolveDailyCapFor: vi.fn(() => 100000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/provider-runner", () => ({
   runStreamingRawCompletionWithFallback: vi.fn(),

src/app/api/documents/inbound/[id]/extract/__tests__/route.test.ts

@@ -69,6 +69,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 1 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/documents/extract", () => ({
   runInboundExtraction: vi.fn(),

src/app/api/documents/inbound/[id]/extract/route.ts

@@ -41,6 +41,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { auditLog } from "@/lib/auth/audit";
@@ -254,6 +255,8 @@ async function handleTextExtract(
     AI_BUDGETS.ocrExtractText.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -273,6 +276,8 @@ async function handleTextExtract(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
 
     const updated = await stageExtraction(document.id, userId, result);
@@ -289,7 +294,10 @@ async function handleTextExtract(
 
     return apiSuccess(serialiseDocumentDetail(updated, updated.facts));
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof InboundExtractError) {
       return apiError("Couldn't read the document. Try a clearer copy.", 422, {
         errorCode: "documents.inbound.extractFailed",
@@ -351,6 +359,8 @@ async function handleStoredExtract(
     AI_BUDGETS.ocrExtractText.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -370,6 +380,8 @@ async function handleStoredExtract(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
 
     const updated = await stageExtraction(document.id, userId, result);
@@ -386,7 +398,10 @@ async function handleStoredExtract(
 
     return apiSuccess(serialiseDocumentDetail(updated, updated.facts));
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof InboundExtractError) {
       return apiError("Couldn't read the document. Try a clearer copy.", 422, {
         errorCode: "documents.inbound.extractFailed",
@@ -465,6 +480,8 @@ async function handleVisionExtract(
     AI_BUDGETS.ocrExtract.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -493,6 +510,8 @@ async function handleVisionExtract(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
 
     const updated = await stageExtraction(document.id, userId, result);
@@ -509,7 +528,10 @@ async function handleVisionExtract(
 
     return apiSuccess(serialiseDocumentDetail(updated, updated.facts));
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof InboundExtractError) {
       return apiError("Couldn't read the document. Try a clearer copy.", 422, {
         errorCode: "documents.inbound.extractFailed",

src/app/api/documents/inbound/[id]/index/__tests__/route.test.ts

@@ -52,6 +52,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 1 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/modules/gate", () => ({
   requireModuleEnabled: vi.fn().mockResolvedValue({ enabled: true }),

src/app/api/documents/inbound/[id]/index/route.ts

@@ -37,6 +37,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { auditLog } from "@/lib/auth/audit";
@@ -249,6 +250,8 @@ async function handleVisionIndex(
     AI_BUDGETS.documentTranscribe.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -269,6 +272,8 @@ async function handleVisionIndex(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     // Refs #776 — the empty-transcription guard, same contract as the auto
     // path (`tryProviderIndex`): a provider answer with no text must never
@@ -295,7 +300,10 @@ async function handleVisionIndex(
     });
     return finishIndex(request, userId, document.id, "vision", tokenCount);
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     await recordIndexAttempt(userId, document.id, {
       indexed: false,
       reason: "provider-error",

src/app/api/documents/inbound/[id]/suggest/__tests__/route.test.ts

@@ -40,6 +40,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 1 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/modules/gate", () => ({
   requireModuleEnabled: vi.fn().mockResolvedValue({ enabled: true }),

src/app/api/documents/inbound/[id]/suggest/route.ts

@@ -29,6 +29,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { auditLog } from "@/lib/auth/audit";
@@ -166,6 +167,8 @@ async function handleTextSuggest(
     AI_BUDGETS.documentAssist.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -185,10 +188,15 @@ async function handleTextSuggest(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     return finishSuggest(request, userId, document.id, "text", suggestion);
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof DocumentAssistError) {
       return apiError("Couldn't read the document. Try a clearer copy.", 422, {
         errorCode: "documents.inbound.extractFailed",
@@ -255,6 +263,8 @@ async function handleVisionSuggest(
     AI_BUDGETS.documentAssist.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -275,10 +285,15 @@ async function handleVisionSuggest(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     return finishSuggest(request, userId, document.id, "vision", suggestion);
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof DocumentAssistError) {
       return apiError("Couldn't read the document. Try a clearer copy.", 422, {
         errorCode: "documents.inbound.extractFailed",

src/app/api/documents/inbound/[id]/summary/__tests__/route.test.ts

@@ -53,6 +53,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 1 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/modules/gate", () => ({
   requireModuleEnabled: vi.fn().mockResolvedValue({ enabled: true }),

src/app/api/documents/inbound/[id]/summary/route.ts

@@ -36,6 +36,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { auditLog } from "@/lib/auth/audit";
@@ -345,6 +346,8 @@ async function handleTextSummary(
     budgetFor(mode),
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -369,10 +372,15 @@ async function handleTextSummary(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     return finishSummary(request, userId, document.id, "text", mode, result);
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     return summaryError(err, "text");
   }
 }
@@ -430,6 +438,8 @@ async function handleVisionSummary(
     budgetFor(mode),
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     await refundDocumentAiSlot(userId);
@@ -455,10 +465,15 @@ async function handleVisionSummary(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     return finishSummary(request, userId, document.id, "vision", mode, result);
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     return summaryError(err, "vision");
   }
 }

src/app/api/insights/chat/__tests__/route-cancelled-turn.test.ts

@@ -93,7 +93,11 @@ vi.mock("@/lib/ai/coach/facts", () => ({
 }));
 
 const { reserveBudget, reconcileSpend } = vi.hoisted(() => ({
-  reserveBudget: vi.fn(async () => ({ allowed: true, reserved: 3000 })),
+  reserveBudget: vi.fn(async () => ({
+    allowed: true,
+    reserved: 3000,
+    owner: "user" as const,
+  })),
   reconcileSpend: vi.fn(async () => undefined),
 }));
 vi.mock("@/lib/ai/coach/budget", () => ({
@@ -101,6 +105,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget,
   reconcileSpend,
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 vi.mock("@/lib/ai/coach/refusal", () => ({
@@ -205,7 +211,11 @@ function abortError(): Error {
 describe("coach chat — client abort mid-generation (#781)", () => {
   beforeEach(() => {
     vi.clearAllMocks();
-    reserveBudget.mockResolvedValue({ allowed: true, reserved: 3000 });
+    reserveBudget.mockResolvedValue({
+      allowed: true,
+      reserved: 3000,
+      owner: "user" as const,
+    });
     // No-tools chain so the turn runs the streaming runner (which rejects
     // with the abort the torn-down connection produces).
     resolveProviderChain.mockResolvedValue([
@@ -236,7 +246,16 @@ describe("coach chat — client abort mid-generation (#781)", () => {
     await post(abortedChatReq({ message: "How is my BP?" }));
     await sse.done;
 
-    expect(reconcileSpend).toHaveBeenCalledWith("u1", 3000, 0, "2026-08-13");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "u1",
+      3000,
+      0,
+      "2026-08-13",
+      0,
+      // No hop served the cancelled turn, so nothing is attributed to an
+      // owner — the reservation is reversed on both counters.
+      { servedBy: null, reservedOwner: "user" },
+    );
     const actions = annotate.mock.calls
       .map((c) => (c[0] as { action?: { name?: string } }).action?.name)
       .filter(Boolean);

src/app/api/insights/chat/__tests__/route-fence-guard.test.ts

@@ -86,6 +86,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(async () => ({ allowed: true, reserved: 1500 })),
   reconcileSpend: vi.fn(async () => undefined),
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 vi.mock("@/lib/ai/coach/refusal", () => ({
   detectRefusal: vi.fn(() => ({ refuse: false })),

src/app/api/insights/chat/__tests__/route-guard-activation.test.ts

@@ -134,6 +134,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget,
   reconcileSpend,
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 const { detectRefusal } = vi.hoisted(() => ({

src/app/api/insights/chat/__tests__/route-guard-ledger.test.ts

@@ -127,6 +127,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget,
   reconcileSpend,
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 const { detectRefusal } = vi.hoisted(() => ({

src/app/api/insights/chat/__tests__/route-guard.test.ts

@@ -109,6 +109,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget,
   reconcileSpend,
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 const { detectRefusal } = vi.hoisted(() => ({

src/app/api/insights/chat/__tests__/route-list-query.test.ts

@@ -101,6 +101,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn(),
   resolveDailyCap: vi.fn(() => 200_000),
+  resolveDailyCapFor: vi.fn(() => 200_000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/coach/refusal", () => ({ detectRefusal: vi.fn() }));
 vi.mock("@/lib/ai/coach/system-prompt", () => ({

src/app/api/insights/chat/__tests__/route-module-gate.test.ts

@@ -100,6 +100,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   })),
   reconcileSpend: vi.fn(),
   resolveDailyCap: vi.fn(() => 200_000),
+  resolveDailyCapFor: vi.fn(() => 200_000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/coach/refusal", () => ({ detectRefusal: vi.fn() }));
 vi.mock("@/lib/ai/coach/system-prompt", () => ({

src/app/api/insights/chat/__tests__/route-snapshot-once.test.ts

@@ -103,6 +103,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(async () => ({ allowed: true, reserved: 1500 })),
   reconcileSpend: vi.fn(async () => undefined),
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 vi.mock("@/lib/ai/coach/refusal", () => ({
   detectRefusal: vi.fn(() => ({ refuse: false })),

src/app/api/insights/chat/__tests__/route-tool-mode.test.ts

@@ -123,8 +123,9 @@ const { reserveBudget, reconcileSpend } = vi.hoisted(() => ({
       allowed: boolean;
       reserved: number;
       totalAfter?: number;
+      owner?: "operator" | "user";
     }>
-  >(async () => ({ allowed: true, reserved: 3000 })),
+  >(async () => ({ allowed: true, reserved: 3000, owner: "user" as const })),
   reconcileSpend: vi.fn(async () => undefined),
 }));
 vi.mock("@/lib/ai/coach/budget", () => ({
@@ -132,6 +133,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget,
   reconcileSpend,
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 const { detectRefusal } = vi.hoisted(() => ({
@@ -266,7 +269,11 @@ function chatReq(body: Record<string, unknown>): Request {
 describe("coach chat — tool-mode routing (F1)", () => {
   beforeEach(() => {
     vi.clearAllMocks();
-    reserveBudget.mockResolvedValue({ allowed: true, reserved: 3000 });
+    reserveBudget.mockResolvedValue({
+      allowed: true,
+      reserved: 3000,
+      owner: "user" as const,
+    });
     detectRefusal.mockReturnValue({ refuse: false });
     checkRateLimit.mockResolvedValue({ allowed: true });
     assertConsentForChain.mockResolvedValue(undefined);
@@ -318,6 +325,8 @@ describe("coach chat — tool-mode routing (F1)", () => {
       4500,
       "2026-06-21",
       2_000_000,
+      "user",
+      "coach",
     );
   });
 
@@ -347,6 +356,8 @@ describe("coach chat — tool-mode routing (F1)", () => {
       3000,
       0,
       expect.anything(),
+      0,
+      { servedBy: null, reservedOwner: "user" },
     );
   });
 
@@ -558,6 +569,8 @@ describe("coach chat — tool-mode routing (F1)", () => {
       1500,
       "2026-06-21",
       2_000_000,
+      "user",
+      "coach",
     );
     // The legacy path ships the snapshot figures in the user turn.
     const params = (

src/app/api/insights/chat/__tests__/route-workout-scope.test.ts

@@ -177,6 +177,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(async () => ({ allowed: true, reserved: 1500 })),
   reconcileSpend: vi.fn(async () => undefined),
   resolveDailyCap: vi.fn(() => 2_000_000),
+  resolveDailyCapFor: vi.fn(() => 2_000_000),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 vi.mock("@/lib/ai/coach/refusal", () => ({
   detectRefusal: vi.fn(() => ({ refuse: false })),

src/app/api/insights/chat/route.ts

@@ -52,6 +52,7 @@ import {
   runStreamingRawCompletionWithFallback,
 } from "@/lib/ai/provider-runner";
 import { resolveProviderChain, resolveProvider } from "@/lib/ai/provider";
+import type { ProviderChainType } from "@/lib/ai/provider-chain";
 import { assertConsentForChain } from "@/lib/ai/consent-guard";
 import { singleUserTurn, type CompletionResult } from "@/lib/ai/types";
 import { PROMPT_VERSION } from "@/lib/ai/prompts/insight-generator";
@@ -74,6 +75,7 @@ import {
   buildDateKey,
   reserveBudget,
   reconcileSpend,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { detectRefusal } from "@/lib/ai/coach/refusal";
@@ -603,11 +605,26 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
       : AI_BUDGETS.coach.maxTokens,
     reqDateKey,
     dailyCap,
+    resolveCostOwner(chain),
+    "coach",
   );
   if (!reservation.allowed) {
+    // v1.38.19 — say WHICH ceiling refused and WHOSE.
+    // `totalAfter` alone is the day's mixed total; on an operator refusal that
+    // is not the counter that tripped, and reading `totalAfter: 1200000`
+    // against a 200 000 ceiling is what turned the 06:42Z incident into a
+    // production log dig. Integers and two small enums — no key, host or model
+    // name is added.
     annotate({
       action: { name: "coach.budget.exceeded" },
-      meta: { totalAfter: reservation.totalAfter },
+      meta: {
+        owner: reservation.owner,
+        surface: "coach",
+        limit: reservation.limit,
+        cap: dailyCap,
+        totalAfter: reservation.totalAfter,
+        operatorAfter: reservation.operatorAfter,
+      },
     });
     return streamProviderError({ code: "coach.budget.exceeded" });
   }
@@ -637,7 +654,10 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
 
   async function produceReply(): Promise<ReplyOutcome> {
     let result: CompletionResult;
-    let workingProviderType: string;
+    // v1.38.19 — typed as the chain's provider union, not a bare
+    // string: the budget reconcile attributes the turn's tokens to the cost
+    // owner of the hop named here.
+    let workingProviderType: ProviderChainType;
     let toolTrace: CoachToolTrace[] = [];
     // v1.21.0 (P6) — the present tool-result payloads this turn, for the post-hoc
     // prose number-verifier. Empty on the no-tools path.
@@ -702,7 +722,9 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
           timeoutMs: aiResponseTimeoutMs,
         });
         result = loop.result;
-        workingProviderType = loop.workingProviderType;
+        // The loop reports the hop it landed on as a bare string; it is
+        // assigned from `workingProvider.providerType` one frame up.
+        workingProviderType = loop.workingProviderType as ProviderChainType;
         toolTrace = loop.toolTrace;
         // v1.32.1 — the numeric verifier ACTIVATES only when this turn actually
         // delivered figures the model was told to ground against: a pinned
@@ -740,6 +762,7 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
         // returned in full so every guard below still runs on the complete text.
         let streamedDeltas = 0;
         const fallback = await runStreamingRawCompletionWithFallback({
+          surface: "coach",
           userId,
           providers: chain,
           onDelta: () => {
@@ -784,9 +807,10 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
     } catch (err) {
       // The provider chain failed outright — no tokens were billed, so refund
       // the full reservation before surfacing the error frame.
-      await reconcileSpend(userId, reservation.reserved, 0, reqDateKey).catch(
-        () => {},
-      );
+      await reconcileSpend(userId, reservation.reserved, 0, reqDateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      }).catch(() => {});
       // #781 — the client walked away mid-generation. The request's abort
       // signal is threaded into every provider call, so the teardown surfaces
       // here as an abort-shaped failure with `request.signal` already flipped.
@@ -887,6 +911,7 @@ async function handleChatRequest(request: NextRequest): Promise<Response> {
       totalTokensSpent,
       reqDateKey,
       cachedTokensSpent,
+      { servedBy: workingProviderType, reservedOwner: reservation.owner },
     ).catch(() => {
       // Ledger reconcile is best-effort; a failure leaves the conservative
       // reservation in place (never an undercount) and never breaks the turn.

src/app/api/insights/generate/__tests__/route.test.ts

@@ -39,7 +39,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: vi.fn(async () => ({
@@ -183,7 +183,7 @@ beforeEach(() => {
   // `clearAllMocks` does not undo a `mockImplementation`, so the ledger stub is
   // re-seeded per test — otherwise the over-cap case below leaks into the rest.
   vi.mocked(prisma.$queryRaw).mockImplementation((async () => [
-    { total_tokens: 0 },
+    { total_tokens: 0, operator_tokens: 0 },
   ]) as never);
   selfContextText.mockResolvedValue(null);
   vi.mocked(checkRateLimit).mockResolvedValue({
@@ -254,8 +254,8 @@ describe("POST /api/insights/generate — daily token ceiling", () => {
       strings: TemplateStringsArray,
     ) =>
       String(strings[0]).includes("coach_usage")
-        ? [{ total_tokens: 10_000_000 }]
-        : [{ total_tokens: 0 }]) as never);
+        ? [{ total_tokens: 10_000_000, operator_tokens: 10_000_000 }]
+        : [{ total_tokens: 0, operator_tokens: 0 }]) as never);
     makeWorkingProvider();
 
     const res = await POST(jsonRequest({ force: true }) as never);

src/app/api/labs/ocr/extract/__tests__/route.test.ts

@@ -45,6 +45,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 200_000),
+  resolveDailyCapFor: vi.fn(() => 200_000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/labs/ocr-extract", async () => {
   const actual = await vi.importActual<typeof import("@/lib/labs/ocr-extract")>(
@@ -95,6 +97,8 @@ beforeEach(() => {
     allowed: true,
     reserved: AI_BUDGETS.ocrExtractText.maxTokens ?? 0,
     totalAfter: AI_BUDGETS.ocrExtractText.maxTokens ?? 0,
+    owner: "operator",
+    operatorAfter: AI_BUDGETS.ocrExtractText.maxTokens ?? 0,
   } as never);
 });
 
@@ -116,6 +120,10 @@ describe("POST /api/labs/ocr/extract — text mode budget", () => {
       "2026-06-26",
       // F1 — the provider-aware daily cap (mocked) is threaded as the 4th arg.
       200_000,
+      // ...the cost owner that cap is enforced against as the 5th...
+      "operator",
+      // ...and the surface the ceiling is rationed for as the 6th.
+      "coach",
     );
   });
 
@@ -134,6 +142,8 @@ describe("POST /api/labs/ocr/extract — text mode budget", () => {
       AI_BUDGETS.ocrExtractText.maxTokens,
       0,
       "2026-06-26",
+      0,
+      { servedBy: null, reservedOwner: "operator" },
     );
   });
 
@@ -182,6 +192,8 @@ describe("POST /api/labs/ocr/extract — vision PDF rasterization", () => {
       allowed: true,
       reserved: AI_BUDGETS.ocrExtract.maxTokens ?? 0,
       totalAfter: AI_BUDGETS.ocrExtract.maxTokens ?? 0,
+      owner: "operator",
+      operatorAfter: AI_BUDGETS.ocrExtract.maxTokens ?? 0,
     } as never);
   });
 
@@ -222,6 +234,8 @@ describe("POST /api/labs/ocr/extract — vision PDF rasterization", () => {
       AI_BUDGETS.ocrExtract.maxTokens,
       0,
       "2026-06-26",
+      0,
+      { servedBy: null, reservedOwner: "operator" },
     );
   });
 });

src/app/api/labs/ocr/extract/route.ts

@@ -41,6 +41,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { prisma } from "@/lib/db";
@@ -183,6 +184,8 @@ async function handleTextExtract(
     AI_BUDGETS.ocrExtractText.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     annotate({
@@ -208,12 +211,17 @@ async function handleTextExtract(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     return apiSuccess(result);
   } catch (err) {
     // A failed structuring call produced no usable rows; mirror the vision
     // path and refund the reservation in full rather than charging it.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (err instanceof OcrExtractError) {
       return apiError("Couldn't read the report. Try a clearer photo.", 422, {
         errorCode: "labs.ocr.extractFailed",
@@ -281,6 +289,8 @@ async function handleVisionExtract(
     AI_BUDGETS.ocrExtract.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     annotate({
@@ -303,7 +313,10 @@ async function handleVisionExtract(
         action: { name: "labs.ocr.fileRejected" },
         meta: { reason: "content_length_exceeded" },
       });
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      });
       return apiError("File is too large (max 12 MB).", 413, {
         errorCode: "labs.ocr.fileTooLarge",
       });
@@ -316,7 +329,10 @@ async function handleVisionExtract(
         headers: { "content-type": request.headers.get("content-type") ?? "" },
       }).formData();
     } catch (err) {
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      });
       if (err instanceof BodyTooLargeError) {
         annotate({
           action: { name: "labs.ocr.fileRejected" },
@@ -331,7 +347,10 @@ async function handleVisionExtract(
 
     const file = formData.get("file");
     if (!(file instanceof File)) {
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      });
       return apiError("Field 'file' must be a file", 422);
     }
 
@@ -339,7 +358,10 @@ async function handleVisionExtract(
     try {
       buffer = Buffer.from(await file.arrayBuffer());
     } catch {
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      });
       return apiError("Failed to read uploaded file", 400);
     }
 
@@ -350,7 +372,10 @@ async function handleVisionExtract(
         action: { name: "labs.ocr.fileRejected" },
         meta: { reason: "unsupported_mime" },
       });
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      });
       return apiError("Upload a JPEG, PNG, WebP, or PDF.", 415, {
         errorCode: "labs.ocr.fileType",
       });
@@ -388,7 +413,10 @@ async function handleVisionExtract(
             action: { name: "labs.ocr.fileRejected" },
             meta: { reason: "pdf_rasterize_failed" },
           });
-          await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+          await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+            servedBy: null,
+            reservedOwner: reservation.owner,
+          });
           return apiError(
             "Couldn't read this PDF; upload a photo instead.",
             422,
@@ -416,12 +444,26 @@ async function handleVisionExtract(
       // The orchestration does not surface token counts; reconcile against the
       // reserved estimate as the spend ceiling (the provider already billed it).
       actualTokens = reservation.reserved;
-      await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey);
+      await reconcileSpend(
+        userId,
+        reservation.reserved,
+        actualTokens,
+        dateKey,
+        0,
+        { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
+      );
       return apiSuccess(result);
     } catch (err) {
       // Provider/extraction failure — the call may still have burned tokens, so
       // reconcile against the reserved estimate rather than refunding in full.
-      await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey);
+      await reconcileSpend(
+        userId,
+        reservation.reserved,
+        actualTokens,
+        dateKey,
+        0,
+        { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
+      );
       if (err instanceof OcrExtractError) {
         return apiError("Couldn't read the report. Try a clearer photo.", 422, {
           errorCode: "labs.ocr.extractFailed",
@@ -439,9 +481,10 @@ async function handleVisionExtract(
     }
   } catch (err) {
     // A guard threw after the reservation (e.g. consent races) — refund fully.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey).catch(
-      () => {},
-    );
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    }).catch(() => {});
     throw err;
   }
 }

src/app/api/medications/extract/__tests__/route.test.ts

@@ -44,6 +44,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   // returns a distinctive figure so an accidental default-cap regression is
   // visible in the assertion rather than silently passing.
   resolveDailyCap: vi.fn(() => 1_234_567),
+  resolveDailyCapFor: vi.fn(() => 1_234_567),
+  resolveCostOwner: vi.fn(() => "user" as const),
 }));
 
 vi.mock("@/lib/ai/provider", () => ({
@@ -118,6 +120,9 @@ beforeEach(() => {
     allowed: true,
     reserved: 700,
     totalAfter: 700,
+    owner: "user",
+    operatorAfter: 0,
+    limit: null,
   });
   vi.mocked(resolveDailyCap).mockReturnValue(1_234_567);
   vi.mocked(resolveProviderChain).mockResolvedValue([
@@ -274,6 +279,8 @@ describe("POST /api/medications/extract — daily budget", () => {
       expect.any(Number),
       "2026-05-28",
       1_234_567,
+      "user",
+      "coach",
     );
   });
 
@@ -283,6 +290,9 @@ describe("POST /api/medications/extract — daily budget", () => {
       allowed: false,
       reserved: 700,
       totalAfter: 9_999_999,
+      owner: "user",
+      operatorAfter: 0,
+      limit: "owner-cap",
     });
 
     const res = await POST(postReq({ text: "Mounjaro 5mg weekly" }) as never);
@@ -307,6 +317,8 @@ describe("POST /api/medications/extract — daily budget", () => {
       700,
       120,
       "2026-05-28",
+      0,
+      { servedBy: "openai", reservedOwner: "user" },
     );
   });
 
@@ -323,6 +335,8 @@ describe("POST /api/medications/extract — daily budget", () => {
       700,
       700,
       "2026-05-28",
+      0,
+      { servedBy: "openai", reservedOwner: "user" },
     );
   });
 
@@ -335,7 +349,14 @@ describe("POST /api/medications/extract — daily budget", () => {
     const res = await POST(postReq({ text: "5mg weekly" }) as never);
 
     expect(res.status).toBe(503);
-    expect(reconcileSpend).toHaveBeenCalledWith("user-1", 700, 0, "2026-05-28");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "user-1",
+      700,
+      0,
+      "2026-05-28",
+      0,
+      { servedBy: null, reservedOwner: "user" },
+    );
   });
 });
 

src/app/api/medications/extract/route.ts

@@ -70,6 +70,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import {
@@ -210,6 +211,8 @@ async function handleExtract(request: NextRequest): Promise<Response> {
     estimatedTokens,
     dateKey,
     resolveDailyCap(chain),
+    resolveCostOwner(chain),
+    "coach",
   );
   if (!reservation.allowed) {
     annotate({
@@ -222,6 +225,7 @@ async function handleExtract(request: NextRequest): Promise<Response> {
   let completion;
   try {
     completion = await runRawCompletionWithFallback({
+      surface: "coach",
       userId,
       providers: chain,
       params: singleUserTurn({
@@ -241,9 +245,10 @@ async function handleExtract(request: NextRequest): Promise<Response> {
   } catch (err) {
     // Nothing was generated — refund the whole reservation rather than bill an
     // invented figure. Best-effort: a failed refund must not mask the 503.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey).catch(
-      () => {},
-    );
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    }).catch(() => {});
     if (err instanceof AllProvidersFailedError) {
       annotate({
         action: { name: "medications.extract.provider-failed" },
@@ -260,7 +265,10 @@ async function handleExtract(request: NextRequest): Promise<Response> {
   // a free retry loop. Falls back to the reservation when the provider reports
   // no count, so an unreported generation is never billed as zero.
   const actualTokens = completion.result.tokensUsed ?? reservation.reserved;
-  await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey);
+  await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey, 0, {
+    servedBy: completion.workingProvider.providerType,
+    reservedOwner: reservation.owner,
+  });
 
   const reply = completion.result.content?.trim() ?? "";
   if (!reply) {

src/components/admin/__tests__/provider-health-spend-today.test.tsx

@@ -0,0 +1,72 @@
+import { describe, it, expect, vi } from "vitest";
+import { renderToStaticMarkup } from "react-dom/server";
+
+import { I18nProvider } from "@/lib/i18n/context";
+
+/**
+ * v1.38.19 — the day's spend, split by who paid for it.
+ *
+ * `/api/admin/provider-health` answers `spendToday` and nothing rendered it,
+ * which is the "the reader is the follow-up" shape the two-ended rule exists to
+ * stop. It is also the one screen that answers the question a budget refusal
+ * raises: a day at 1.24 M tokens is alarming until you can see that 151 200 of
+ * them were the instance's own key and the rest ran on the users' own plans —
+ * and it is the second figure the operator ceiling is enforced against.
+ */
+
+const mockQueryState = vi.hoisted(() => ({
+  data: null as null | object,
+  isPending: false,
+  isError: false,
+}));
+
+vi.mock("@tanstack/react-query", () => ({
+  useQuery: () => ({
+    data: mockQueryState.data,
+    isPending: mockQueryState.isPending,
+    isError: mockQueryState.isError,
+  }),
+}));
+
+import { ProviderHealthSection } from "../provider-health-section";
+
+function render(data: object | null) {
+  mockQueryState.data = data;
+  mockQueryState.isPending = false;
+  mockQueryState.isError = false;
+  return renderToStaticMarkup(
+    <I18nProvider initialLocale="en">
+      <ProviderHealthSection />
+    </I18nProvider>,
+  );
+}
+
+describe("<ProviderHealthSection> — today's spend by cost owner", () => {
+  it("shows both figures and the day they belong to", () => {
+    const html = render({
+      providers: [],
+      spendToday: {
+        dateKey: "2026-09-11",
+        totalTokens: 1_240_000,
+        operatorTokens: 151_200,
+      },
+    });
+    expect(html).toContain("2026-09-11");
+    expect(html).toContain("1,240,000");
+    expect(html).toContain("151,200");
+  });
+
+  it("renders a zero day rather than hiding the readout", () => {
+    const html = render({
+      providers: [],
+      spendToday: { dateKey: "2026-09-11", totalTokens: 0, operatorTokens: 0 },
+    });
+    expect(html).toContain('data-slot="ai-spend-today"');
+  });
+
+  it("says nothing when the payload carries no spend", () => {
+    expect(render({ providers: [] })).not.toContain(
+      'data-slot="ai-spend-today"',
+    );
+  });
+});

src/components/admin/provider-health-section.tsx

@@ -26,6 +26,20 @@ import { formatDateTime } from "@/lib/format";
  * failure, which never had a status to record.
  */
 
+/**
+ * v1.38.19 — the day's spend, split by who pays for it. The operator
+ * opens this card when a surface refuses on budget, and one mixed number could
+ * not answer the question that raises: a day at 1.24 M tokens is alarming until
+ * you see that 151 200 of them were the instance's own key and the rest ran on
+ * the users' own plans. The operator ceiling is enforced against the second
+ * figure, so both belong on screen.
+ */
+interface SpendToday {
+  dateKey: string;
+  totalTokens: number;
+  operatorTokens: number;
+}
+
 interface ProviderHealthRow {
   providerType: string;
   tracked: number;
@@ -37,12 +51,18 @@ interface ProviderHealthRow {
 }
 
 export function ProviderHealthSection() {
-  const { t } = useTranslations();
+  const { t, locale } = useTranslations();
+  // Seven-digit token counts are the point of this readout; ungrouped digits
+  // are what made the mixed figure unreadable in the first place.
+  const groupDigits = (value: number): string =>
+    new Intl.NumberFormat(locale).format(value);
 
   const { data, isPending, isError } = useQuery({
     queryKey: queryKeys.adminProviderHealth(),
     queryFn: () =>
-      apiGet<{ providers: ProviderHealthRow[] }>("/api/admin/provider-health"),
+      apiGet<{ providers: ProviderHealthRow[]; spendToday: SpendToday }>(
+        "/api/admin/provider-health",
+      ),
   });
 
   const typeLabel = (type: string): string => {
@@ -67,6 +87,7 @@ export function ProviderHealthSection() {
   };
 
   const providers = data?.providers ?? [];
+  const spendToday = data?.spendToday ?? null;
 
   return (
     <SettingsCard>
@@ -75,6 +96,15 @@ export function ProviderHealthSection() {
         title={t("admin.providerHealth.title")}
         description={t("admin.providerHealth.description")}
       />
+      {spendToday ? (
+        <p className="text-muted-foreground text-sm" data-slot="ai-spend-today">
+          {t("admin.providerHealth.spendToday", {
+            date: spendToday.dateKey,
+            total: groupDigits(spendToday.totalTokens),
+            operator: groupDigits(spendToday.operatorTokens),
+          })}
+        </p>
+      ) : null}
       {isPending ? (
         <p className="text-muted-foreground text-sm">
           {t("admin.providerHealth.loading")}

src/lib/ai/__tests__/gateway-embedded-error.test.ts

@@ -280,6 +280,7 @@ describe("the chain runner and the health ledger", () => {
 
     const failure = (await runRawCompletionWithFallback({
       userId: "u1",
+      surface: "coach",
       providers: [
         {
           providerType: "openai-compatible",
@@ -318,6 +319,7 @@ describe("the chain runner and the health ledger", () => {
 
     const failure = (await runRawCompletionWithFallback({
       userId: "u2",
+      surface: "coach",
       providers: [
         {
           providerType: "openai-compatible",
@@ -350,6 +352,7 @@ describe("the chain runner and the health ledger", () => {
 
     const outcome = await runRawCompletionWithFallback({
       userId: "u3",
+      surface: "coach",
       providers: [
         {
           providerType: "openai-compatible",

src/lib/ai/__tests__/provider-runner.test.ts

@@ -13,13 +13,16 @@ import {
 // v1.37.19 (A7-2) — the runner consults the day's recorded spend before an
 // operator-funded hop. These pure chain tests do not stand up a DB, so the
 // ledger read is swapped for a controllable in-memory figure.
-const budgetState = vi.hoisted(() => ({ spent: 0 }));
+const budgetState = vi.hoisted(() => ({ spent: 0, operatorSpent: 0 }));
 vi.mock("../coach/budget", async () => {
   const actual =
     await vi.importActual<typeof import("../coach/budget")>("../coach/budget");
   return {
     ...actual,
-    readDailySpend: vi.fn(async () => budgetState.spent),
+    readDailySpend: vi.fn(async () => ({
+      total: budgetState.spent,
+      operator: budgetState.operatorSpent,
+    })),
   };
 });
 
@@ -111,6 +114,7 @@ function err(status: number, msg = "boom"): Error & { httpStatus: number } {
 beforeEach(() => {
   clearLastWorkingProviderCache();
   budgetState.spent = 0;
+  budgetState.operatorSpent = 0;
 });
 
 afterEach(() => {
@@ -169,6 +173,7 @@ describe("runRawCompletionWithFallback — last-working cache", () => {
     // First call: codex fails, openai succeeds.
     await runRawCompletionWithFallback({
       userId: "u-cache",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "openai", instance: openai },
@@ -182,6 +187,7 @@ describe("runRawCompletionWithFallback — last-working cache", () => {
     // never re-invoked even though it appears first in the input chain.
     await runRawCompletionWithFallback({
       userId: "u-cache",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "openai", instance: openai },
@@ -212,6 +218,7 @@ describe("runRawCompletionWithFallback — last-working cache", () => {
     // First call: codex fails, openai succeeds, cache = openai.
     await runRawCompletionWithFallback({
       userId: "u-ttl",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "openai", instance: openai },
@@ -228,6 +235,7 @@ describe("runRawCompletionWithFallback — last-working cache", () => {
     // and this time codex's second scripted entry succeeds).
     await runRawCompletionWithFallback({
       userId: "u-ttl",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "openai", instance: openai },
@@ -244,6 +252,7 @@ describe("runRawCompletionWithFallback — last-working cache", () => {
     });
     await runRawCompletionWithFallback({
       userId: "u-clear",
+      surface: "coach",
       providers: [{ providerType: "openai", instance: ok }],
       params: singleUserTurn({ system: "s", user: "u" }),
     });
@@ -265,6 +274,7 @@ describe("runRawCompletionWithFallback — legacy route shim", () => {
     });
     const result = await runRawCompletionWithFallback({
       userId: "u-raw",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "admin-openai", instance: openai },
@@ -292,6 +302,7 @@ describe("runRawCompletionWithFallback — legacy route shim", () => {
     });
     const result = await runRawCompletionWithFallback({
       userId: "u-raw-auth-advance",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "openai", instance: openai },
@@ -320,6 +331,7 @@ describe("runRawCompletionWithFallback — legacy route shim", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-raw-allfail",
+        surface: "coach",
         providers: [
           { providerType: "codex", instance: a },
           { providerType: "admin-openai", instance: b },
@@ -357,6 +369,7 @@ describe("runRawCompletionWithFallback — legacy route shim", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-raw-codex400",
+        surface: "coach",
         providers: [{ providerType: "codex", instance: codex }],
         params: singleUserTurn({ system: "s", user: "u" }),
       });
@@ -379,6 +392,7 @@ describe("runRawCompletionWithFallback — empty input", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-empty",
+        surface: "coach",
         providers: [],
         params: singleUserTurn({ system: "s", user: "u" }),
       });
@@ -413,6 +427,7 @@ describe("provider-health ledger — auth-failure negative cache", () => {
     // First call: codex 401 → openai succeeds. Ledger now benches codex.
     await runRawCompletionWithFallback({
       userId: "u-neg",
+      surface: "coach",
       providers,
       params: singleUserTurn({ system: "s", user: "u" }),
       ledger,
@@ -430,6 +445,7 @@ describe("provider-health ledger — auth-failure negative cache", () => {
     const codexCallsBefore = codex.callCount;
     await runRawCompletionWithFallback({
       userId: "u-neg",
+      surface: "coach",
       providers,
       params: singleUserTurn({ system: "s", user: "u" }),
       ledger,
@@ -449,6 +465,7 @@ describe("provider-health ledger — auth-failure negative cache", () => {
     // A direct success on codex (e.g. user re-linked) clears the row.
     await runRawCompletionWithFallback({
       userId: "u-clear-neg",
+      surface: "coach",
       providers: [{ providerType: "codex", instance: codex }],
       params: singleUserTurn({ system: "s", user: "u" }),
       ledger,
@@ -484,6 +501,7 @@ describe("provider-health ledger — local model as guaranteed floor", () => {
 
     const result = await runRawCompletionWithFallback({
       userId: "u-floor",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: dead("codex") },
         { providerType: "openai", instance: dead("admin-key") },
@@ -513,6 +531,7 @@ describe("provider-health ledger — local model as guaranteed floor", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-local-hard",
+        surface: "coach",
         providers: [{ providerType: "local", instance: local }],
         params: singleUserTurn({ system: "s", user: "u" }),
         ledger,
@@ -527,6 +546,7 @@ describe("provider-health ledger — local model as guaranteed floor", () => {
     clearLastWorkingProviderCache();
     const result = await runRawCompletionWithFallback({
       userId: "u-local-hard",
+      surface: "coach",
       providers: [{ providerType: "local", instance: local }],
       params: singleUserTurn({ system: "s", user: "u" }),
       ledger,
@@ -550,6 +570,7 @@ describe("AllProvidersFailedError — primaryCredentialExpired", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-primary-auth",
+        surface: "coach",
         providers: [
           { providerType: "codex", instance: codex },
           { providerType: "admin-openai", instance: openai },
@@ -578,6 +599,7 @@ describe("AllProvidersFailedError — primaryCredentialExpired", () => {
     try {
       await runRawCompletionWithFallback({
         userId: "u-primary-5xx",
+        surface: "coach",
         providers: [
           { providerType: "codex", instance: codex },
           { providerType: "admin-openai", instance: openai },
@@ -633,6 +655,7 @@ describe("runStreamingRawCompletionWithFallback", () => {
     const deltas: string[] = [];
     const result = await runStreamingRawCompletionWithFallback({
       userId: "u-stream",
+      surface: "coach",
       providers: [{ providerType: "local", instance: provider }],
       params: singleUserTurn({ system: "s", user: "u", timeoutMs: 12345 }),
       onDelta: (d) => deltas.push(d),
@@ -655,6 +678,7 @@ describe("runStreamingRawCompletionWithFallback", () => {
     const deltas: string[] = [];
     const result = await runStreamingRawCompletionWithFallback({
       userId: "u-nostream",
+      surface: "coach",
       providers: [{ providerType: "local", instance: provider }],
       params: singleUserTurn({ system: "s", user: "u" }),
       onDelta: (d) => deltas.push(d),
@@ -673,6 +697,7 @@ describe("runStreamingRawCompletionWithFallback", () => {
     const good = new StreamingProvider("ok");
     const result = await runStreamingRawCompletionWithFallback({
       userId: "u-cascade",
+      surface: "coach",
       providers: [
         { providerType: "openai", instance: broken },
         { providerType: "local", instance: good },
@@ -697,6 +722,7 @@ describe("runRawCompletionWithFallback — operator-cost cap at hop time", () =>
 
   it("refuses the admin-* fallback hop once the operator cap is exhausted", async () => {
     budgetState.spent = 200_000; // OPERATOR_COST_CAP
+    budgetState.operatorSpent = 200_000;
     const codex = new ScriptedProvider({
       type: "codex",
       script: [{ ok: false, error: err(500) }],
@@ -706,6 +732,7 @@ describe("runRawCompletionWithFallback — operator-cost cap at hop time", () =>
     await expect(
       runRawCompletionWithFallback({
         userId: "u-cap",
+        surface: "coach",
         providers: [
           { providerType: "codex", instance: codex },
           { providerType: "admin-openai", instance: adminOpenai },
@@ -727,6 +754,7 @@ describe("runRawCompletionWithFallback — operator-cost cap at hop time", () =>
 
   it("lets the admin-* fallback run while the operator cap has headroom", async () => {
     budgetState.spent = 100;
+    budgetState.operatorSpent = 100;
     const codex = new ScriptedProvider({
       type: "codex",
       script: [{ ok: false, error: err(500) }],
@@ -735,6 +763,7 @@ describe("runRawCompletionWithFallback — operator-cost cap at hop time", () =>
 
     const outcome = await runRawCompletionWithFallback({
       userId: "u-headroom",
+      surface: "coach",
       providers: [
         { providerType: "codex", instance: codex },
         { providerType: "admin-openai", instance: adminOpenai },
@@ -745,11 +774,170 @@ describe("runRawCompletionWithFallback — operator-cost cap at hop time", () =>
     expect(adminOpenai.callCount).toBe(1);
   });
 
+  // v1.38.19 — the guard reads the OPERATOR-funded share.
+  //
+  // Production evidence (2026-09-11): the operator's day held ~1.2 M tokens,
+  // nearly all served by `codex` on his own ChatGPT plan. Comparing the day's
+  // TOTAL against the operator ceiling closed the operator's own fallback hop
+  // on money he had never spent.
+  it("lets the admin-* hop run on a big day the user's own plan paid for", async () => {
+    budgetState.spent = 1_200_000;
+    budgetState.operatorSpent = 150_000;
+    const codex = new ScriptedProvider({
+      type: "codex",
+      script: [{ ok: false, error: err(500) }],
+    });
+    const adminOpenai = new ScriptedProvider({ script: [{ ok: true }] });
+
+    const outcome = await runRawCompletionWithFallback({
+      userId: "u-owner-split",
+      surface: "coach",
+      providers: [
+        { providerType: "codex", instance: codex },
+        { providerType: "admin-openai", instance: adminOpenai },
+      ],
+      params,
+    });
+    expect(outcome.workingProvider.providerType).toBe("admin-openai");
+    expect(adminOpenai.callCount).toBe(1);
+  });
+
+  it("refuses the admin-* hop once the OPERATOR-funded share is exhausted", async () => {
+    budgetState.spent = 1_200_000;
+    budgetState.operatorSpent = 250_000;
+    const codex = new ScriptedProvider({
+      type: "codex",
+      script: [{ ok: false, error: err(500) }],
+    });
+    const adminOpenai = new ScriptedProvider({ script: [{ ok: true }] });
+
+    await expect(
+      runRawCompletionWithFallback({
+        userId: "u-owner-exhausted",
+        surface: "coach",
+        providers: [
+          { providerType: "codex", instance: codex },
+          { providerType: "admin-openai", instance: adminOpenai },
+        ],
+        params,
+      }),
+    ).rejects.toMatchObject({
+      attempts: [
+        expect.objectContaining({ providerType: "codex" }),
+        expect.objectContaining({
+          providerType: "admin-openai",
+          failureReason: "operator-cost-cap-exhausted",
+        }),
+      ],
+    });
+    expect(adminOpenai.callCount).toBe(0);
+  });
+
+  // v1.38.19 — the hop guard knows which SURFACE asked.
+  //
+  // Without this the job share was enforced at reservation time only: a
+  // background reservation admitted under `resolveDailyCapFor("job", …)` could
+  // then reach an operator-funded FALLBACK hop and spend against the full
+  // 200 000. That is the original defect by another route — chain
+  // `[codex, admin-openai]` reserves under the user-plan ceiling, `codex` 429s,
+  // every job falls back onto the shared key, and background work fills the
+  // operator's ceiling before the user opens the chat.
+  it("refuses a JOB's admin-* fallback hop once only the reserve is left", async () => {
+    budgetState.spent = 160_000;
+    budgetState.operatorSpent = 160_000;
+    const codex = new ScriptedProvider({
+      type: "codex",
+      script: [{ ok: false, error: err(500) }],
+    });
+    const adminOpenai = new ScriptedProvider({ script: [{ ok: true }] });
+
+    await expect(
+      runRawCompletionWithFallback({
+        userId: "u-job-share",
+        surface: "job",
+        providers: [
+          { providerType: "codex", instance: codex },
+          { providerType: "admin-openai", instance: adminOpenai },
+        ],
+        params,
+      }),
+    ).rejects.toMatchObject({
+      attempts: [
+        expect.objectContaining({ providerType: "codex" }),
+        expect.objectContaining({
+          providerType: "admin-openai",
+          failureReason: "operator-cost-cap-exhausted",
+        }),
+      ],
+    });
+    expect(adminOpenai.callCount).toBe(0);
+  });
+
+  it("still lets the interactive chat take that same hop", async () => {
+    // The whole point of the reserve: at 160 000 operator tokens the background
+    // work is done for the day and the person waiting is not.
+    budgetState.spent = 160_000;
+    budgetState.operatorSpent = 160_000;
+    const codex = new ScriptedProvider({
+      type: "codex",
+      script: [{ ok: false, error: err(500) }],
+    });
+    const adminOpenai = new ScriptedProvider({ script: [{ ok: true }] });
+
+    const outcome = await runRawCompletionWithFallback({
+      userId: "u-job-share-chat",
+      surface: "coach",
+      providers: [
+        { providerType: "codex", instance: codex },
+        { providerType: "admin-openai", instance: adminOpenai },
+      ],
+      params,
+    });
+    expect(outcome.workingProvider.providerType).toBe("admin-openai");
+    expect(adminOpenai.callCount).toBe(1);
+  });
+
+  it("bounds the operator hop on the day's mixed total as well", async () => {
+    // `operator_tokens` returns to ~0 on every reconcile the user's own plan
+    // settled, so the operator arm alone leaves a runaway loop unbounded. The
+    // abuse ceiling on the total is checked at the hop for the same reason it
+    // is checked at reservation time.
+    budgetState.spent = 2_000_000;
+    budgetState.operatorSpent = 0;
+    const codex = new ScriptedProvider({
+      type: "codex",
+      script: [{ ok: false, error: err(500) }],
+    });
+    const adminOpenai = new ScriptedProvider({ script: [{ ok: true }] });
+
+    await expect(
+      runRawCompletionWithFallback({
+        userId: "u-total-ceiling",
+        surface: "coach",
+        providers: [
+          { providerType: "codex", instance: codex },
+          { providerType: "admin-openai", instance: adminOpenai },
+        ],
+        params,
+      }),
+    ).rejects.toMatchObject({
+      attempts: [
+        expect.objectContaining({ providerType: "codex" }),
+        expect.objectContaining({
+          providerType: "admin-openai",
+          failureReason: "operator-cost-cap-exhausted",
+        }),
+      ],
+    });
+    expect(adminOpenai.callCount).toBe(0);
+  });
+
   it("never consults the ledger for a user-funded chain", async () => {
     budgetState.spent = 999_999_999;
     const openai = new ScriptedProvider({ script: [{ ok: true }] });
     const outcome = await runRawCompletionWithFallback({
       userId: "u-own-key",
+      surface: "coach",
       providers: [{ providerType: "openai", instance: openai }],
       params,
     });

src/lib/ai/coach/__tests__/budget.test.ts

@@ -4,7 +4,11 @@ import {
   buildDateKey,
   OPERATOR_COST_CAP,
   USER_PLAN_CAP,
+  INTERACTIVE_RESERVE_SHARE,
+  resolveCostOwner,
   resolveDailyCap,
+  resolveDailyCapFor,
+  resolveTotalCapFor,
 } from "../budget";
 
 vi.mock("@/lib/db", () => ({
@@ -60,19 +64,40 @@ describe("reserveBudget — ledger clamps", () => {
 
   it("clamps a non-finite reservation to 0", async () => {
     const { reserveBudget } = await import("../budget");
-    const res = await reserveBudget("u", Number.NaN, "2026-05-10");
+    const res = await reserveBudget(
+      "u",
+      Number.NaN,
+      "2026-05-10",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
     expect(res.reserved).toBe(0);
   });
 
   it("clamps a negative reservation to 0", async () => {
     const { reserveBudget } = await import("../budget");
-    const res = await reserveBudget("u", -42, "2026-05-10");
+    const res = await reserveBudget(
+      "u",
+      -42,
+      "2026-05-10",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
     expect(res.reserved).toBe(0);
   });
 
   it("floors a fractional reservation", async () => {
     const { reserveBudget } = await import("../budget");
-    const res = await reserveBudget("u", 12.7, "2026-05-10");
+    const res = await reserveBudget(
+      "u",
+      12.7,
+      "2026-05-10",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
     expect(res.reserved).toBe(12);
   });
 });
@@ -143,6 +168,8 @@ describe("reserveBudget cap (F1 — user-plan path not locked out)", () => {
       1_200,
       "2026-05-10",
       resolveDailyCap([{ providerType: "codex" }]),
+      resolveCostOwner([{ providerType: "codex" }]),
+      "coach",
     );
     expect(res.allowed).toBe(true);
     // The reservation upsert ran; no refund executeRaw fired.
@@ -152,7 +179,7 @@ describe("reserveBudget cap (F1 — user-plan path not locked out)", () => {
   it("the operator-key path STILL trips once prior spend reaches the operator cap", async () => {
     const priorSpend = OPERATOR_COST_CAP;
     prismaMock.$queryRaw.mockResolvedValue([
-      { total_tokens: priorSpend + 1_200 },
+      { total_tokens: priorSpend + 1_200, operator_tokens: priorSpend + 1_200 },
     ]);
     prismaMock.$executeRaw.mockResolvedValue(0);
     const { reserveBudget } = await import("../budget");
@@ -161,6 +188,8 @@ describe("reserveBudget cap (F1 — user-plan path not locked out)", () => {
       1_200,
       "2026-05-10",
       resolveDailyCap([{ providerType: "admin-openai" }]),
+      resolveCostOwner([{ providerType: "admin-openai" }]),
+      "coach",
     );
     expect(res.allowed).toBe(false);
     // Refund of the reservation fired on refusal.
@@ -168,6 +197,341 @@ describe("reserveBudget cap (F1 — user-plan path not locked out)", () => {
   });
 });
 
+/**
+ * v1.38.19 — the cap is enforced against the counter it is ABOUT.
+ *
+ * Production evidence (2026-09-11): the operator's day held 1.0–1.45 M tokens,
+ * almost all served by `codex` on his own ChatGPT plan after the shared
+ * `admin-openai` key answered 500 — and the chat refused at
+ * `totalAfter: 513539` against the 200 k operator ceiling. Comparing the total
+ * is the defect; the operator ceiling may only see operator-funded tokens.
+ */
+/**
+ * v1.38.20 — the interactive surface is never locked out by background work.
+ *
+ * Production evidence (2026-09-11): 150–330 ledger rows a day on the
+ * operator's account, 172 `insights.metric` generations by 06:42Z — the
+ * automatic jobs had spent the day's ceiling before he opened the chat.
+ *
+ * The guarantee is a floor under the person waiting, NOT a quota over the
+ * jobs: background generation runs freely until the day's spend would leave
+ * less than the reserve for interactive use. That distinction is the whole
+ * design. An account doing 1.45 M tokens of background work a day on its own
+ * plan costs nobody anything and keeps all of it; what it cannot do is take
+ * the last 400 000 the chat is holding.
+ */
+describe("resolveDailyCapFor — the interactive reserve", () => {
+  it("lets a background surface reach everything but the reserve", () => {
+    expect(resolveDailyCapFor("job", [{ providerType: "admin-openai" }])).toBe(
+      OPERATOR_COST_CAP -
+        Math.floor(OPERATOR_COST_CAP * INTERACTIVE_RESERVE_SHARE),
+    );
+    expect(resolveDailyCapFor("job", [{ providerType: "admin-openai" }])).toBe(
+      160_000,
+    );
+  });
+
+  it("leaves the interactive surfaces the whole ceiling", () => {
+    expect(
+      resolveDailyCapFor("coach", [{ providerType: "admin-openai" }]),
+    ).toBe(OPERATOR_COST_CAP);
+    expect(resolveDailyCapFor("coach", [{ providerType: "codex" }])).toBe(
+      USER_PLAN_CAP,
+    );
+  });
+
+  it("holds the reserve on a chain the operator does not pay for too", () => {
+    // The earlier cut exempted these chains entirely, on the grounds that the
+    // operator's invoice is what a quota protects. True of a quota, and beside
+    // the point here: a self-hoster's chat is locked out by his own background
+    // jobs exactly as painfully, and the recommended remedy for the operator's
+    // own account — put Codex first — moves him onto this arm. The reserve is
+    // about who is waiting, not about who is billed.
+    expect(resolveDailyCapFor("job", [{ providerType: "codex" }])).toBe(
+      1_600_000,
+    );
+    expect(resolveDailyCapFor("job", [{ providerType: "local" }])).toBe(
+      1_600_000,
+    );
+    // ...and what is held back is the reserve, exactly.
+    expect(
+      USER_PLAN_CAP - resolveDailyCapFor("job", [{ providerType: "codex" }]),
+    ).toBe(400_000);
+  });
+});
+
+describe("resolveTotalCapFor — the abuse ceiling", () => {
+  it("keeps the user-plan ceiling on the day's mixed total", () => {
+    // The operator arm compares `operator_tokens`, a counter that returns to
+    // ~0 on every reconcile the user's own plan settled. Without a ceiling on
+    // the total, an operator-primary chain has no ceiling at all: every job
+    // reservation is admitted forever and a runaway client loop writes an
+    // unbounded row.
+    expect(resolveTotalCapFor("coach")).toBe(USER_PLAN_CAP);
+  });
+
+  it("holds the same reserve on the total for a background surface", () => {
+    expect(resolveTotalCapFor("job")).toBe(1_600_000);
+    expect(USER_PLAN_CAP - resolveTotalCapFor("job")).toBe(400_000);
+  });
+});
+
+describe("reserveBudget — the cap follows the cost owner", () => {
+  let prismaMock: {
+    $queryRaw: ReturnType<typeof vi.fn>;
+    $executeRaw: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(async () => {
+    const dbModule = await import("@/lib/db");
+    prismaMock = dbModule.prisma as unknown as typeof prismaMock;
+    prismaMock.$queryRaw.mockReset();
+    prismaMock.$executeRaw.mockReset();
+    prismaMock.$executeRaw.mockResolvedValue(0);
+  });
+
+  it("admits an operator turn on a day the user's own plan filled", async () => {
+    // 1.2 M tokens on the day, but only 150 k of them on the operator's key.
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: 1_200_000 + 1_200, operator_tokens: 150_000 + 1_200 },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(true);
+    expect(res.operatorAfter).toBe(151_200);
+    expect(prismaMock.$executeRaw).not.toHaveBeenCalled();
+  });
+
+  it("refuses an operator turn once the OPERATOR-funded share reaches the cap", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      {
+        total_tokens: 1_200_000 + 1_200,
+        operator_tokens: OPERATOR_COST_CAP + 1_200,
+      },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+    expect(prismaMock.$executeRaw).toHaveBeenCalled();
+  });
+
+  it("keeps the user-plan ceiling on the TOTAL, not on the operator share", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: USER_PLAN_CAP + 1_200, operator_tokens: 0 },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      USER_PLAN_CAP,
+      "user",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+  });
+
+  // v1.38.19 — the abuse ceiling survives the owner split.
+  //
+  // The first cut compared `operator_tokens` and NOTHING else for an
+  // operator-funded chain. On the 2026-09-11 shape that counter never grows:
+  // `admin-openai` 500s, `codex` serves, and every reconcile moves the
+  // reservation back out of the operator's column. So an operator-primary chain
+  // had no ceiling at all — every job reservation admitted forever, and a
+  // runaway client loop free to write an unbounded row.
+  it("refuses a JOB on an operator chain once the day's TOTAL fills its share", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: 1_900_000 + 1_200, operator_tokens: 0 },
+    ]);
+    const { reserveBudget, resolveDailyCapFor } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      resolveDailyCapFor("job", [{ providerType: "admin-openai" }]),
+      "operator",
+      "job",
+    );
+    expect(res.allowed).toBe(false);
+    expect(res.limit).toBe("total-cap");
+    expect(prismaMock.$executeRaw).toHaveBeenCalled();
+  });
+
+  it("still admits the interactive chat on that same day", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: 1_900_000 + 1_200, operator_tokens: 0 },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(true);
+    expect(res.limit).toBeNull();
+  });
+
+  it("refuses an operator chain once the TOTAL reaches the abuse ceiling", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: USER_PLAN_CAP + 1_200, operator_tokens: 0 },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+    expect(res.limit).toBe("total-cap");
+  });
+
+  // v1.38.20 — the reserve, from the reservation's side.
+  //
+  // `resolveDailyCapFor` only answers what a surface MAY reach; these pin what
+  // actually happens at the edge of it, on both cost owners, because the claim
+  // the ceiling exists to support is behavioural: the person waiting gets a
+  // turn no matter how much background work ran first.
+  it("admits the chat on a USER-funded chain whose background work is at its limit", async () => {
+    // Nobody is billed for this egress — the user's own ChatGPT plan served
+    // every one of those tokens — so the jobs were never rationed. They still
+    // cannot take the last of the day.
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: 1_600_000 + 3_000, operator_tokens: 0 },
+    ]);
+    const { reserveBudget, resolveDailyCapFor, resolveCostOwner } =
+      await import("../budget");
+    const chain = [{ providerType: "codex" as const }];
+
+    const job = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      resolveDailyCapFor("job", chain),
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(job.allowed).toBe(false);
+
+    const chat = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      resolveDailyCapFor("coach", chain),
+      resolveCostOwner(chain),
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+    expect(chat.limit).toBeNull();
+  });
+
+  it("admits the chat on an OPERATOR-funded chain whose background work is at its limit", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: 160_000 + 3_000, operator_tokens: 160_000 + 3_000 },
+    ]);
+    const { reserveBudget, resolveDailyCapFor, resolveCostOwner } =
+      await import("../budget");
+    const chain = [{ providerType: "admin-openai" as const }];
+
+    const job = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      resolveDailyCapFor("job", chain),
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(job.allowed).toBe(false);
+    expect(job.limit).toBe("owner-cap");
+
+    const chat = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      resolveDailyCapFor("coach", chain),
+      resolveCostOwner(chain),
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+  });
+
+  it("admits the background reservation one token below that boundary", async () => {
+    // The ledger's rule throughout is that a request is admitted when the spend
+    // BEFORE it was under the ceiling, so the boundary is exact: at the ceiling
+    // the job stops, one token below it runs.
+    const { reserveBudget, resolveDailyCapFor, resolveCostOwner } =
+      await import("../budget");
+    const chain = [{ providerType: "codex" as const }];
+    const jobCap = resolveDailyCapFor("job", chain);
+
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: jobCap - 1 + 3_000, operator_tokens: 0 },
+    ]);
+    const admitted = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      jobCap,
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(admitted.allowed).toBe(true);
+
+    prismaMock.$queryRaw.mockResolvedValue([
+      { total_tokens: jobCap + 3_000, operator_tokens: 0 },
+    ]);
+    const refused = await reserveBudget(
+      "u",
+      3_000,
+      "2026-09-11",
+      jobCap,
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(refused.allowed).toBe(false);
+  });
+
+  it("names the owner cap when that is the ceiling that tripped", async () => {
+    prismaMock.$queryRaw.mockResolvedValue([
+      {
+        total_tokens: 300_000 + 1_200,
+        operator_tokens: OPERATOR_COST_CAP + 1_200,
+      },
+    ]);
+    const { reserveBudget } = await import("../budget");
+    const res = await reserveBudget(
+      "u",
+      1_200,
+      "2026-09-11",
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+    expect(res.limit).toBe("owner-cap");
+    expect(res.operatorAfter).toBe(OPERATOR_COST_CAP);
+  });
+});
+
 describe("reconcileSpend cached-token subtraction (F3)", () => {
   let prismaMock: { $executeRaw: ReturnType<typeof vi.fn> };
 
@@ -181,7 +545,10 @@ describe("reconcileSpend cached-token subtraction (F3)", () => {
   it("bills total_tokens minus cached input as the signed delta", async () => {
     const { reconcileSpend } = await import("../budget");
     // reserved 1200, gross 20000, cached 13000 → net actual 7000 → delta 5800.
-    await reconcileSpend("u", 1_200, 20_000, "2026-05-10", 13_000);
+    await reconcileSpend("u", 1_200, 20_000, "2026-05-10", 13_000, {
+      servedBy: "admin-openai",
+      reservedOwner: "operator",
+    });
     expect(prismaMock.$executeRaw).toHaveBeenCalledTimes(1);
     // The tagged-template interpolations carry the delta; assert it is 5800.
     const interpolations = prismaMock.$executeRaw.mock.calls[0].slice(1);
@@ -190,7 +557,10 @@ describe("reconcileSpend cached-token subtraction (F3)", () => {
 
   it("clamps a cached count larger than gross to a zero charge (delta = -reserved)", async () => {
     const { reconcileSpend } = await import("../budget");
-    await reconcileSpend("u", 1_200, 5_000, "2026-05-10", 9_999);
+    await reconcileSpend("u", 1_200, 5_000, "2026-05-10", 9_999, {
+      servedBy: "admin-openai",
+      reservedOwner: "operator",
+    });
     const interpolations = prismaMock.$executeRaw.mock.calls[0].slice(1);
     // net actual clamped to 0 → delta = 0 - 1200 = -1200.
     expect(interpolations).toContain(-1_200);
@@ -198,7 +568,10 @@ describe("reconcileSpend cached-token subtraction (F3)", () => {
 
   it("defaults cachedTokens to 0 (back-compat) — bills gross", async () => {
     const { reconcileSpend } = await import("../budget");
-    await reconcileSpend("u", 1_000, 4_000, "2026-05-10");
+    await reconcileSpend("u", 1_000, 4_000, "2026-05-10", 0, {
+      servedBy: "admin-openai",
+      reservedOwner: "operator",
+    });
     const interpolations = prismaMock.$executeRaw.mock.calls[0].slice(1);
     expect(interpolations).toContain(3_000);
   });

src/lib/ai/coach/__tests__/self-context-questions-consent.test.ts

@@ -41,9 +41,13 @@ const budgetMocks = vi.hoisted(() => ({
     allowed: true,
     reserved: 300,
     totalAfter: 300,
+    owner: "operator" as const,
+    operatorAfter: 300,
   })),
   reconcileSpend: vi.fn(async () => {}),
   resolveDailyCap: vi.fn(() => 200_000),
+  resolveDailyCapFor: vi.fn(() => 200_000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/coach/budget", () => budgetMocks);
 
@@ -87,6 +91,8 @@ beforeEach(() => {
     allowed: true,
     reserved: 300,
     totalAfter: 300,
+    owner: "operator" as const,
+    operatorAfter: 300,
   });
   buildCoachSnapshot.mockResolvedValue({ snapshotJson: '{"weight":[]}' });
 });
@@ -239,6 +245,8 @@ describe("deriveClarifyingQuestions — atomic budget", () => {
       300,
       "2026-07-18",
       200_000,
+      "operator",
+      "coach",
     );
     expect(budgetMocks.reconcileSpend).toHaveBeenCalledWith(
       "user-1",
@@ -246,6 +254,7 @@ describe("deriveClarifyingQuestions — atomic budget", () => {
       120,
       "2026-07-18",
       0,
+      { servedBy: "openai", reservedOwner: "operator" },
     );
   });
 
@@ -254,6 +263,8 @@ describe("deriveClarifyingQuestions — atomic budget", () => {
       allowed: false,
       reserved: 300,
       totalAfter: 200_000,
+      owner: "operator" as const,
+      operatorAfter: 200_000,
     });
 
     const out = await deriveClarifyingQuestions("user-1", ctx, "en");
@@ -273,6 +284,8 @@ describe("deriveClarifyingQuestions — atomic budget", () => {
       300,
       0,
       "2026-07-18",
+      0,
+      { servedBy: null, reservedOwner: "operator" },
     );
   });
 });

src/lib/ai/coach/budget.ts

@@ -17,6 +17,16 @@
 import { prisma } from "@/lib/db";
 import type { ProviderChainType } from "@/lib/ai/provider-chain";
 
+/**
+ * v1.38.19 — the two raw statements the ledger owns can
+ * run on the singleton client OR inside an open transaction. The arrival
+ * reaction reserves its tokens in the same transaction that links the
+ * reservation to the claimed marker, and used to carry its own copy of the
+ * upsert to do it; that copy drifted twice. One implementation, an executor
+ * argument, no second copy to drift.
+ */
+export type BudgetExecutor = Pick<typeof prisma, "$queryRaw" | "$executeRaw">;
+
 /**
  * Operator-cost daily ceiling — the cap that protects the OPERATOR's LLM bill.
  *
@@ -63,12 +73,91 @@ export const USER_PLAN_CAP = 2_000_000;
 export function resolveDailyCap(
   chain: ReadonlyArray<{ providerType: ProviderChainType }>,
 ): number {
-  const primary = chain[0]?.providerType;
-  return primary === undefined || isOperatorFundedProvider(primary)
+  return resolveCostOwner(chain) === "operator"
     ? OPERATOR_COST_CAP
     : USER_PLAN_CAP;
 }
 
+/**
+ * v1.38.20 — the share of a day's ceiling that stays RESERVED for whoever is
+ * waiting on an answer, whatever the automatic generators have already spent.
+ *
+ * Production evidence (2026-09-11): the operator's account wrote 150–330
+ * ledger rows a day, 172 of them `insights.metric` generations before 06:42Z.
+ * The automatic work had eaten the day before he opened the chat.
+ *
+ * A reserve, deliberately, and not a quota on the jobs. The two look alike at
+ * the boundary and mean opposite things in the middle: a quota stops useful
+ * background work on a day nobody was ever going to interrupt, while a reserve
+ * costs that work nothing until the moment it would take the last of the day.
+ * An instance generating 1.45 M tokens of insights on its own plan keeps every
+ * one of them; what it cannot do is leave the chat with nothing. At 20 % of
+ * `USER_PLAN_CAP` the interactive floor is 400 000 tokens — a day of questions.
+ */
+export const INTERACTIVE_RESERVE_SHARE = 0.2;
+
+/**
+ * v1.38.19 — which kind of caller is asking. `"coach"` is every
+ * interactive surface (the chat, the extraction routes, the document routes,
+ * the connection probe): a person is waiting. `"job"` is the automatic
+ * generators, which run with nobody waiting and must leave the interactive
+ * surfaces a day of their own.
+ */
+export type BudgetSurface = "coach" | "job";
+
+/**
+ * v1.38.20 — how far one surface may take a ceiling. An interactive caller may
+ * reach all of it; a background caller must stop short by the reserve.
+ *
+ * Applies to BOTH cost owners. An earlier cut exempted chains the operator
+ * does not fund, reasoning that a ration exists to protect the operator's
+ * invoice — true of a ration, and beside the point for a reserve. A
+ * self-hoster's own automatic generators lock him out of his own chat exactly
+ * as effectively as the operator's do, on hardware nobody is billed for; and
+ * the recommended remedy for the operator's own lockout — put his personal
+ * Codex account first in the chain — moves him onto precisely that arm, where
+ * the exemption would have left the guarantee empty on the one configuration
+ * it was written for.
+ */
+function withInteractiveReserve(surface: BudgetSurface, cap: number): number {
+  return surface === "job"
+    ? cap - Math.floor(cap * INTERACTIVE_RESERVE_SHARE)
+    : cap;
+}
+
+/**
+ * v1.38.19 — the daily ceiling for one SURFACE on a chain. `"coach"`
+ * (every interactive surface: the chat, the extraction routes, the document
+ * routes, the connection probe) gets the whole ceiling; `"job"` (the automatic
+ * generators) must leave the interactive reserve behind. The cost owner is
+ * unchanged — this only says how much of the owner's ceiling a background
+ * surface may claim.
+ */
+export function resolveDailyCapFor(
+  surface: BudgetSurface,
+  chain: ReadonlyArray<{ providerType: ProviderChainType }>,
+): number {
+  return withInteractiveReserve(surface, resolveDailyCap(chain));
+}
+
+/**
+ * v1.38.19 — the ABUSE ceiling on the day's mixed total, for one surface.
+ *
+ * `resolveDailyCapFor` answers "how much of the owner's ceiling may this
+ * surface claim", and for an operator-funded chain that ceiling is measured
+ * against `operator_tokens` — a counter that stays near zero whenever the
+ * operator's key fails and the user's own plan serves the fallback. That is
+ * the correct answer for the operator's invoice and a useless one for the row:
+ * on the 2026-09-11 evidence the operator counter never grew, so nothing
+ * bounded the 1.0–1.45 M tokens a day of background generation, and nothing
+ * bounded a runaway client loop either. `USER_PLAN_CAP` is the ceiling on the
+ * total whoever paid, and a background surface leaves the same reserve behind
+ * here as it does on the owner's ceiling.
+ */
+export function resolveTotalCapFor(surface: BudgetSurface): number {
+  return withInteractiveReserve(surface, USER_PLAN_CAP);
+}
+
 /**
  * v1.37.19 (A7-2) — does this provider spend the OPERATOR's money?
  * `admin-openai` (the server's own API key) and `admin-codex` (the
@@ -80,6 +169,28 @@ export function isOperatorFundedProvider(type: ProviderChainType): boolean {
   return type === "admin-openai" || type === "admin-codex";
 }
 
+/**
+ * v1.38.19 — who pays for a turn. `"operator"` means the tokens land
+ * on the operator's invoice (`admin-openai` / `admin-codex`), `"user"` means
+ * the user's own plan, key or hardware carries them.
+ */
+export type BudgetCostOwner = "operator" | "user";
+
+/**
+ * v1.38.19 — the cost owner a chain RESERVES under: the primary is
+ * the provider that will be tried first, so it is the expected payer. An empty
+ * chain defaults to the operator — the conservative side. `resolveDailyCap`
+ * and `reserveBudget` must agree on this classification, so both read it here.
+ */
+export function resolveCostOwner(
+  chain: ReadonlyArray<{ providerType: ProviderChainType }>,
+): BudgetCostOwner {
+  const primary = chain[0]?.providerType;
+  return primary === undefined || isOperatorFundedProvider(primary)
+    ? "operator"
+    : "user";
+}
+
 /**
  * v1.37.19 (A7-2) — the day's recorded spend for one user (0 when no row).
  *
@@ -90,15 +201,30 @@ export function isOperatorFundedProvider(type: ProviderChainType): boolean {
  * hop must not spend past `OPERATOR_COST_CAP` just because the reservation
  * was checked against the wrong owner's ceiling.
  */
+export interface DailySpend {
+  /** Every token recorded for the day, whoever paid for it. */
+  total: number;
+  /**
+   * v1.38.19 — the share of `total` served by an operator-funded
+   * provider. The hop guard compares THIS against `OPERATOR_COST_CAP`: a day
+   * full of turns the user's own plan paid for must not close the operator's
+   * fallback hop.
+   */
+  operator: number;
+}
+
 export async function readDailySpend(
   userId: string,
   dateKey: string = buildDateKey(),
-): Promise<number> {
+): Promise<DailySpend> {
   const row = await prisma.coachUsage.findUnique({
     where: { userId_dateKey: { userId, dateKey } },
-    select: { totalTokens: true },
+    select: { totalTokens: true, operatorTokens: true },
   });
-  return row?.totalTokens ?? 0;
+  return {
+    total: row?.totalTokens ?? 0,
+    operator: row?.operatorTokens ?? 0,
+  };
 }
 
 /**
@@ -132,53 +258,115 @@ export function buildDateKey(at: Date = new Date()): string {
  * reserved-but-failed turn still counts as an attempt.
  */
 export interface ReserveBudgetResult {
-  /** True when the reservation kept the day's total within the cap. */
+  /** True when the reservation kept the day's spend within the cap. */
   allowed: boolean;
   /** Tokens reserved by this call (refunded/reconciled by the caller). */
   reserved: number;
   /** The day's total AFTER this reservation (for observability). */
   totalAfter: number;
+  /**
+   * v1.38.19 — the owner this reservation was charged to. The
+   * reconcile needs it: only a reservation booked to the operator has an
+   * amount to move back OUT of `operator_tokens` when a user-funded hop ends
+   * up serving the turn.
+   */
+  owner: BudgetCostOwner;
+  /** The day's operator-funded spend AFTER this reservation. */
+  operatorAfter: number;
+  /**
+   * v1.38.19 — which ceiling refused this reservation,
+   * `null` when it was admitted. `"owner-cap"` is the cost owner's daily
+   * ceiling (the operator's invoice, or the user's own plan); `"total-cap"` is
+   * the abuse ceiling on the day's mixed total. The refusal annotations carry
+   * it: before this, every refusal printed one number, and on an operator
+   * refusal that number was the day's mixed total rather than the counter that
+   * tripped — the same unreadable signal that made the 06:42Z diagnosis a
+   * production log dig.
+   */
+  limit: "owner-cap" | "total-cap" | null;
 }
 
 export async function reserveBudget(
   userId: string,
   estimatedTokens: number,
-  dateKey: string = buildDateKey(),
-  cap: number = OPERATOR_COST_CAP,
+  dateKey: string,
+  cap: number,
+  owner: BudgetCostOwner,
+  surface: BudgetSurface,
+  db: BudgetExecutor = prisma,
 ): Promise<ReserveBudgetResult> {
   const reserved =
     Number.isFinite(estimatedTokens) && estimatedTokens > 0
       ? Math.floor(estimatedTokens)
       : 0;
+  // v1.38.19 — a reservation is booked to `operator_tokens` only when
+  // the chain's primary is operator-funded. The counter moves inside the SAME
+  // statement as the total, so two concurrent requests can never observe one
+  // counter without the other.
+  const operatorReserved = owner === "operator" ? reserved : 0;
 
-  // Single atomic upsert-increment returning the new total. Two concurrent
+  // Single atomic upsert-increment returning the new totals. Two concurrent
   // requests serialise on the row's unique (user_id, date_key) constraint, so
   // each observes a distinct post-increment total — they cannot both read a
   // sub-cap value and both proceed.
-  const rows = await prisma.$queryRaw<{ total_tokens: number }[]>`
-    INSERT INTO coach_usage (id, user_id, date_key, total_tokens, message_count, created_at, updated_at)
-    VALUES (gen_random_uuid()::text, ${userId}, ${dateKey}, ${reserved}, 1, NOW(), NOW())
+  const rows = await db.$queryRaw<
+    { total_tokens: number; operator_tokens: number }[]
+  >`
+    INSERT INTO coach_usage (id, user_id, date_key, total_tokens, operator_tokens, message_count, created_at, updated_at)
+    VALUES (gen_random_uuid()::text, ${userId}, ${dateKey}, ${reserved}, ${operatorReserved}, 1, NOW(), NOW())
     ON CONFLICT (user_id, date_key) DO UPDATE SET
       total_tokens = coach_usage.total_tokens + ${reserved},
+      operator_tokens = coach_usage.operator_tokens + ${operatorReserved},
       message_count = coach_usage.message_count + 1,
       updated_at = NOW()
-    RETURNING total_tokens
+    RETURNING total_tokens, operator_tokens
   `;
   const totalAfter = Number(rows[0]?.total_tokens ?? reserved);
+  const operatorAfter = Number(rows[0]?.operator_tokens ?? operatorReserved);
 
   // The cap is a ceiling on tokens already spent BEFORE this request, matching
   // the prior `spent >= cap` semantics: a request is allowed when the spend
-  // PRIOR to its reservation was under the cap. So compare `totalAfter -
-  // reserved` (the prior total) against the cap.
+  // PRIOR to its reservation was under the cap. So compare the post-increment
+  // figure minus this reservation against the cap.
+  //
+  // v1.38.19 — and compare the counter the cap is ABOUT. An
+  // operator-funded chain is measured against the day's operator-funded spend,
+  // never against a total that the user's own plan inflated; a user-plan chain
+  // keeps its abuse ceiling on the total.
   const priorTotal = totalAfter - reserved;
-  if (priorTotal >= cap) {
+  const priorOperator = operatorAfter - operatorReserved;
+  const prior = owner === "operator" ? priorOperator : priorTotal;
+  // v1.38.19 — BOTH ceilings, always. The owner's cap
+  // protects whoever pays; the total cap is the abuse ceiling that keeps a
+  // runaway loop — or a day of background generation the operator's key never
+  // served — from writing an unbounded row. Dropping the second one for
+  // operator chains left them with no ceiling at all, because their counter
+  // returns to ~0 on every reconcile the user's own plan settled.
+  const totalCap = resolveTotalCapFor(surface);
+  const limit: ReserveBudgetResult["limit"] =
+    prior >= cap ? "owner-cap" : priorTotal >= totalCap ? "total-cap" : null;
+  if (limit !== null) {
     // Already over before this request — refund the reservation + the
     // message-count bump and refuse.
-    await refundReservation(userId, reserved, dateKey);
-    return { allowed: false, reserved, totalAfter: priorTotal };
+    await refundReservation(userId, reserved, operatorReserved, dateKey, db);
+    return {
+      allowed: false,
+      reserved,
+      totalAfter: priorTotal,
+      owner,
+      operatorAfter: priorOperator,
+      limit,
+    };
   }
 
-  return { allowed: true, reserved, totalAfter };
+  return {
+    allowed: true,
+    reserved,
+    totalAfter,
+    owner,
+    operatorAfter,
+    limit: null,
+  };
 }
 
 /**
@@ -194,12 +382,24 @@ export async function reserveBudget(
  * served most of it cheaply / free; charging the user's daily meter for input
  * they did not re-pay for is an over-charge. We bill `actual - cached`.
  */
+export interface ReconcileSpendOptions {
+  /**
+   * The provider that actually SERVED the turn (`runRawWithFallback`'s
+   * `workingProvider.providerType`), or `null` when no hop served — a failed,
+   * timed-out or cancelled call whose reservation is being refunded.
+   */
+  servedBy: ProviderChainType | null;
+  /** The owner the reservation was booked to (`reserveBudget(...).owner`). */
+  reservedOwner: BudgetCostOwner;
+}
+
 export async function reconcileSpend(
   userId: string,
   reserved: number,
   actualTokens: number,
-  dateKey: string = buildDateKey(),
-  cachedTokens = 0,
+  dateKey: string,
+  cachedTokens: number,
+  opts: ReconcileSpendOptions,
 ): Promise<void> {
   const grossActual =
     Number.isFinite(actualTokens) && actualTokens > 0
@@ -213,12 +413,31 @@ export async function reconcileSpend(
   // (shouldn't happen, but the wire is untrusted) can't drive a negative charge.
   const actual = Math.max(0, grossActual - cached);
   const delta = actual - reserved;
-  if (delta === 0) return;
+  // v1.38.19 — settle the operator's counter against the hop that
+  // SERVED, not the one the chain expected. Book the actual tokens when an
+  // operator-funded provider answered, and take back whatever this
+  // reservation had put there (nothing, when the reservation was the user's
+  // own plan — subtracting then would eat another request's legitimate
+  // operator balance). The four cases settle exactly:
+  //   operator reservation + operator hop → `actual`
+  //   operator reservation + user hop     → 0 (the reservation moves out)
+  //   user reservation     + user hop     → untouched
+  //   user reservation     + operator hop → `actual` (a fallback the
+  //                                          operator really paid for)
+  const servedByOperator =
+    opts.servedBy !== null && isOperatorFundedProvider(opts.servedBy);
+  const operatorDelta =
+    (servedByOperator ? actual : 0) -
+    (opts.reservedOwner === "operator" ? reserved : 0);
+  if (delta === 0 && operatorDelta === 0) return;
   // Clamp at zero so a smaller-than-reserved actual can't drive the row
-  // negative under a racing reconcile.
+  // negative under a racing reconcile. Both counters move in ONE statement:
+  // a concurrent reader can never see the total settled and the owner split
+  // still stale.
   await prisma.$executeRaw`
     UPDATE coach_usage
     SET total_tokens = GREATEST(0, total_tokens + ${delta}),
+        operator_tokens = GREATEST(0, operator_tokens + ${operatorDelta}),
         updated_at = NOW()
     WHERE user_id = ${userId} AND date_key = ${dateKey}
   `;
@@ -228,11 +447,14 @@ export async function reconcileSpend(
 async function refundReservation(
   userId: string,
   reserved: number,
+  operatorReserved: number,
   dateKey: string,
+  db: BudgetExecutor = prisma,
 ): Promise<void> {
-  await prisma.$executeRaw`
+  await db.$executeRaw`
     UPDATE coach_usage
     SET total_tokens = GREATEST(0, total_tokens - ${reserved}),
+        operator_tokens = GREATEST(0, operator_tokens - ${operatorReserved}),
         message_count = GREATEST(0, message_count - 1),
         updated_at = NOW()
     WHERE user_id = ${userId} AND date_key = ${dateKey}

src/lib/ai/coach/self-context-questions.ts

@@ -45,6 +45,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import {
@@ -235,6 +236,8 @@ export async function deriveClarifyingQuestions(
       QUESTIONS_MAX_TOKENS,
       dateKey,
       resolveDailyCap(chain),
+      resolveCostOwner(chain),
+      "coach",
     );
     if (!reservation.allowed) return fallback();
 
@@ -266,9 +269,10 @@ export async function deriveClarifyingQuestions(
     } catch (err) {
       // Reconcile the reservation down to zero actual spend before the
       // failure lands on the deterministic fallback.
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey).catch(
-        () => {},
-      );
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      }).catch(() => {});
       throw err;
     }
 
@@ -278,6 +282,7 @@ export async function deriveClarifyingQuestions(
       result.tokensUsed ?? 0,
       dateKey,
       result.cachedInputTokens ?? 0,
+      { servedBy: chain[0].providerType, reservedOwner: reservation.owner },
     ).catch(() => {});
 
     const questions = parseQuestionsReply(result.content);

src/lib/ai/coach/tools/loop.ts

@@ -141,6 +141,8 @@ export async function runCoachToolLoop(args: {
     const fallback = await runRawCompletionWithFallback({
       userId,
       providers,
+      // The tool loop IS the Coach chat: a person is waiting on every round.
+      surface: "coach",
       ledger,
       params: {
         system,

src/lib/ai/provider-runner.ts

@@ -8,8 +8,10 @@ import {
 import { annotate } from "@/lib/logging/context";
 import {
   isOperatorFundedProvider,
-  OPERATOR_COST_CAP,
   readDailySpend,
+  resolveDailyCapFor,
+  resolveTotalCapFor,
+  type BudgetSurface,
 } from "@/lib/ai/coach/budget";
 
 /**
@@ -399,6 +401,7 @@ async function runRawChain(
     userId: string;
     providers: ProviderChainResolved[];
     params: CompletionParams;
+    surface: BudgetSurface;
     ledger?: ProviderHealthLedger;
   },
   invoke: (candidate: ProviderChainResolved) => Promise<CompletionResult>,
@@ -406,7 +409,7 @@ async function runRawChain(
     candidate: ProviderChainResolved,
   ) => Record<string, string | number | boolean | null>,
 ): Promise<RunRawWithFallbackResult> {
-  const { userId, providers } = args;
+  const { userId, providers, surface } = args;
   const ledger = args.ledger ?? postgresProviderHealthLedger;
 
   if (providers.length === 0) {
@@ -431,8 +434,28 @@ async function runRawChain(
       // Fail OPEN on a ledger read error: the reservation layer still
       // meters every call against the same ledger, so a transient read
       // failure here must not take the whole fallback chain down with it.
-      const spent = await readDailySpend(userId).catch(() => 0);
-      if (spent >= OPERATOR_COST_CAP) {
+      const spent = await readDailySpend(userId).catch(() => ({
+        total: 0,
+        operator: 0,
+      }));
+      // v1.38.19 — the OPERATOR-funded share, not the day's total: a
+      // day filled by the user's own plan must not close the operator's
+      // fallback hop on money the operator never spent.
+      //
+      // v1.38.19 — and at the SURFACE's ceiling, not the
+      // full one. A background reservation is rationed at the job share when it
+      // is taken; without this the hop it reaches by fallback could still spend
+      // against the whole operator cap, which is how the original defect stayed
+      // reachable. Chain `[codex, admin-openai]` reserves under the user-plan
+      // ceiling, `codex` 429s all morning, every job falls back onto the shared
+      // key, and background work walks `operator_tokens` to 200 000 before the
+      // user opens the chat. The abuse ceiling on the day's mixed total is
+      // checked here for the same reason it is checked at reservation time.
+      const hopCap = resolveDailyCapFor(surface, [
+        { providerType: candidate.providerType },
+      ]);
+      const hopTotalCap = resolveTotalCapFor(surface);
+      if (spent.operator >= hopCap || spent.total >= hopTotalCap) {
         const hop: FallbackHop = {
           providerType: candidate.providerType,
           attempt: i + 1,
@@ -445,7 +468,9 @@ async function runRawChain(
           meta: {
             [`ai_chain_hop_${i + 1}_provider`]: candidate.providerType,
             [`ai_chain_hop_${i + 1}_reason`]: "operator-cost-cap-exhausted",
-            operator_cap_spent: spent,
+            operator_cap_spent: spent.operator,
+            operator_cap_limit: hopCap,
+            ai_chain_surface: surface,
           },
         });
         continue;
@@ -514,6 +539,12 @@ export async function runStreamingRawCompletionWithFallback(args: {
   userId: string;
   providers: ProviderChainResolved[];
   params: CompletionParams;
+  /**
+   * v1.38.19 — which ceiling an operator-funded FALLBACK
+   * hop is rationed against. `"job"` gets the background share, exactly as the
+   * reservation did; `"coach"` gets the whole ceiling.
+   */
+  surface: BudgetSurface;
   /** Called once per streamed token/chunk for providers that stream. */
   onDelta: (delta: string) => void;
   /** See `RunWithFallbackParams.ledger`. */
@@ -560,6 +591,8 @@ export async function runRawCompletionWithFallback(args: {
   userId: string;
   providers: ProviderChainResolved[];
   params: CompletionParams;
+  /** See {@link runStreamingRawCompletionWithFallback}'s `surface`. */
+  surface: BudgetSurface;
   /** See `RunWithFallbackParams.ledger`. */
   ledger?: ProviderHealthLedger;
 }): Promise<RunRawWithFallbackResult> {

src/lib/documents/__tests__/auto-stage-labs.test.ts

@@ -32,6 +32,7 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   buildDateKey: vi.fn(() => "2026-07-16"),
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
+  resolveDailyCapFor: vi.fn(() => 100_000),
 }));
 vi.mock("@/lib/ai/ai-budgets", () => ({
   AI_BUDGETS: { ocrExtractText: { temperature: 0, maxTokens: 2000 } },
@@ -99,6 +100,8 @@ beforeEach(() => {
     allowed: true,
     reserved: 10,
     totalAfter: 10,
+    owner: "operator",
+    operatorAfter: 10,
   } as Awaited<ReturnType<typeof reserveBudget>>);
   mockExtract.mockResolvedValue({
     reportDate: "2026-07-10",

src/lib/documents/__tests__/fenced-chat-pipeline.test.ts

@@ -29,6 +29,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn().mockResolvedValue({ allowed: true, reserved: 600 }),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 100000),
+  resolveDailyCapFor: vi.fn(() => 100000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/provider-runner", () => ({
   runStreamingRawCompletionWithFallback: vi.fn(),

src/lib/documents/__tests__/index-document.test.ts

@@ -45,6 +45,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/ai-budgets", () => ({
   AI_BUDGETS: { documentTranscribe: { temperature: 0, maxTokens: 4000 } },
@@ -106,6 +108,7 @@ beforeEach(() => {
   vi.mocked(reserveBudget).mockResolvedValue({
     allowed: true,
     reserved: 1,
+    owner: "operator",
   } as never);
   vi.mocked(localExtractText).mockResolvedValue({
     ok: true,
@@ -132,7 +135,14 @@ describe("indexDocumentContent — provider-first path", () => {
       expect.objectContaining({ source: "vision", providerType: "anthropic" }),
     );
     // Budget reserved then reconciled at the full reserved amount (charged).
-    expect(reconcileSpend).toHaveBeenCalledWith("user-1", 1, 1, "2026-07-07");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "user-1",
+      1,
+      1,
+      "2026-07-07",
+      0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
+    );
     // The local path is never touched when the provider succeeds.
     expect(localExtractText).not.toHaveBeenCalled();
   });
@@ -222,7 +232,14 @@ describe("indexDocumentContent — local fallback path", () => {
     const outcome = await indexDocumentContent("user-1", "doc-1");
     expect(outcome).toMatchObject({ indexed: true, source: "local-pdf" });
     // Reservation refunded to zero spend.
-    expect(reconcileSpend).toHaveBeenCalledWith("user-1", 1, 0, "2026-07-07");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "user-1",
+      1,
+      0,
+      "2026-07-07",
+      0,
+      { servedBy: null, reservedOwner: "operator" },
+    );
     expect(localExtractText).toHaveBeenCalledTimes(1);
   });
 

src/lib/documents/__tests__/index-outcome-record.test.ts

@@ -56,6 +56,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/ai-budgets", () => ({
   AI_BUDGETS: { documentTranscribe: { temperature: 0, maxTokens: 4000 } },

src/lib/documents/auto-stage-labs.ts

@@ -32,6 +32,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import { loadDocumentChatText } from "@/lib/documents/content-index";
 import { resolveIndexProvider } from "@/lib/documents/index-document";
@@ -276,13 +277,19 @@ export async function maybeAutoStageLabFacts(
   }
 
   // A text-structuring pass, not a vision call — reserve the proportionate
-  // ceiling under the same daily cap the auto-index resolved.
+  // ceiling under the cost owner the auto-index resolved.
+  // v1.38.19 — auto-staging runs off the upload, with no one waiting
+  // on it: a background surface, so half the day's ceiling.
   const dateKey = buildDateKey();
   const reservation = await reserveBudget(
     userId,
     AI_BUDGETS.ocrExtractText.maxTokens,
     dateKey,
-    provider.dailyCap,
+    resolveDailyCapFor("job", [
+      { providerType: provider.pick.entry.providerType },
+    ]),
+    provider.costOwner,
+    "job",
   );
   if (!reservation.allowed) return { staged: false, reason: "budget" };
 
@@ -298,9 +305,17 @@ export async function maybeAutoStageLabFacts(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      {
+        servedBy: provider.pick.entry.providerType,
+        reservedOwner: reservation.owner,
+      },
     );
   } catch (err) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     if (!(err instanceof InboundExtractError)) {
       annotate({
         action: { name: "documents.autoStage.failed" },

src/lib/documents/fenced-chat.ts

@@ -43,6 +43,7 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
 } from "@/lib/ai/coach/budget";
 import { detectRefusal, type CoachRefusalReason } from "@/lib/ai/coach/refusal";
@@ -307,6 +308,8 @@ export async function streamFencedReply(
     AI_BUDGETS.documentChat.maxTokens,
     dateKey,
     resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "coach",
   );
   if (!reservation.allowed) {
     annotate({ action: { name: "documents.chat.budget.exceeded" } });
@@ -369,6 +372,7 @@ Reply now as the assistant, grounded ONLY in the documents above, in ${
     let result;
     try {
       const fallback = await runStreamingRawCompletionWithFallback({
+        surface: "coach",
         userId,
         // Single-provider — the document-ordered pick, no cascade.
         providers: [pick!.entry],
@@ -383,9 +387,10 @@ Reply now as the assistant, grounded ONLY in the documents above, in ${
       });
       result = fallback.result;
     } catch (err) {
-      await reconcileSpend(userId, reservation.reserved, 0, dateKey).catch(
-        () => {},
-      );
+      await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      }).catch(() => {});
       if (err instanceof AllProvidersFailedError) {
         const allRateLimited =
           err.attempts.length > 0 &&
@@ -425,6 +430,7 @@ Reply now as the assistant, grounded ONLY in the documents above, in ${
       totalTokens,
       dateKey,
       cachedTokens,
+      { servedBy: pick!.entry.providerType, reservedOwner: reservation.owner },
     ).catch(() => {});
 
     let replyText = (result.content ?? "").trim();

src/lib/documents/index-document.ts

@@ -36,7 +36,9 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
+  resolveCostOwner,
   resolveDailyCap,
+  type BudgetCostOwner,
 } from "@/lib/ai/coach/budget";
 import {
   loadOwnedDocument,
@@ -128,6 +130,12 @@ export interface ResolvedIndexProvider {
   pick: Awaited<ReturnType<typeof resolveDocumentVisionProvider>>["pick"];
   consentOk: boolean;
   dailyCap: number;
+  /**
+   * v1.38.19 — whose budget `dailyCap` rations. The reservation books
+   * `operator_tokens` only for an operator-funded pick, so the cap and the
+   * counter it is compared against are resolved from one place.
+   */
+  costOwner: BudgetCostOwner;
 }
 
 /**
@@ -160,7 +168,13 @@ export async function resolveIndexProvider(
     pick && consentOk
       ? resolveDailyCap([{ providerType: pick.entry.providerType }])
       : 0;
-  return { chain, pick, consentOk, dailyCap };
+  // v1.38.19 — the cap and its cost owner are resolved from the SAME
+  // pick, so the reservation books the counter the cap is enforced against.
+  const costOwner: BudgetCostOwner =
+    pick && consentOk
+      ? resolveCostOwner([{ providerType: pick.entry.providerType }])
+      : "operator";
+  return { chain, pick, consentOk, dailyCap, costOwner };
 }
 
 /**
@@ -221,6 +235,8 @@ async function tryProviderIndex(
     AI_BUDGETS.documentTranscribe.maxTokens,
     dateKey,
     provider.dailyCap,
+    provider.costOwner,
+    "coach",
   );
   // Budget exhausted → fall through to the free local path rather than stall;
   // a text-layer PDF stays searchable even once the AI allowance is spent.
@@ -238,6 +254,8 @@ async function tryProviderIndex(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     // Refs #776 — the empty-transcription guard: a provider answer with no
     // text must NEVER become a "successful" empty index (it would mark the
@@ -261,7 +279,10 @@ async function tryProviderIndex(
   } catch {
     // Refund the reservation and let the caller fall through to local — a
     // transient provider miss must never leave a text-layer PDF unsearchable.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     return { outcome: null, note: "provider-error" };
   }
 }

src/lib/insights/__tests__/briefing-provider-budget.test.ts

@@ -21,6 +21,8 @@ import { describe, it, expect, vi, beforeEach } from "vitest";
 
 /** In-memory stand-in for the day's `coach_usage.total_tokens`. */
 let ledgerTotal = 0;
+/** …and of `coach_usage.operator_tokens`. */
+let ledgerOperator = 0;
 
 vi.mock("@/lib/db", () => ({
   prisma: {
@@ -28,8 +30,10 @@ vi.mock("@/lib/db", () => ({
     // (strings, userId, dateKey, reserved, reserved).
     $queryRaw: vi.fn(
       async (_strings: TemplateStringsArray, ...v: unknown[]) => {
+        // (userId, dateKey, reserved, operatorReserved, …).
         ledgerTotal += Number(v[2] ?? 0);
-        return [{ total_tokens: ledgerTotal }];
+        ledgerOperator += Number(v[3] ?? 0);
+        return [{ total_tokens: ledgerTotal, operator_tokens: ledgerOperator }];
       },
     ),
     // `reconcileSpend` (+delta) and `refundReservation` (-reserved).
@@ -37,9 +41,17 @@ vi.mock("@/lib/db", () => ({
       async (strings: TemplateStringsArray, ...v: unknown[]) => {
         const sql = strings.join("?");
         const amount = Number(v[0] ?? 0);
-        if (sql.includes("total_tokens + ")) ledgerTotal += amount;
-        else if (sql.includes("total_tokens - ")) ledgerTotal -= amount;
+        // The operator-funded share moves in the same statement.
+        const operatorAmount = Number(v[1] ?? 0);
+        if (sql.includes("total_tokens + ")) {
+          ledgerTotal += amount;
+          ledgerOperator += operatorAmount;
+        } else if (sql.includes("total_tokens - ")) {
+          ledgerTotal -= amount;
+          ledgerOperator -= operatorAmount;
+        }
         ledgerTotal = Math.max(0, ledgerTotal);
+        ledgerOperator = Math.max(0, ledgerOperator);
         return 1;
       },
     ),
@@ -104,6 +116,7 @@ function mockProviderReply(
 beforeEach(() => {
   vi.clearAllMocks();
   ledgerTotal = 0;
+  ledgerOperator = 0;
 });
 
 describe("runBriefingCompletion — ledger accounting", () => {
@@ -142,6 +155,7 @@ describe("runBriefingCompletion — ledger accounting", () => {
 
   it("refuses a generation once the day's cap is already spent", async () => {
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     mockProviderReply(500);
 
     await expect(
@@ -201,6 +215,7 @@ describe("runBriefingCompletion — ledger accounting", () => {
 describe("runBriefingCompletion — cost owner decides the ceiling", () => {
   it("measures an operator-key chain against the operator ceiling", async () => {
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     mockProviderReply(100);
 
     await expect(
@@ -214,6 +229,7 @@ describe("runBriefingCompletion — cost owner decides the ceiling", () => {
     // their own key pays their own bill, so the operator's ceiling is a
     // category error for them — they must still be served.
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     mockProviderReply(100);
 
     const outcome = await runBriefingCompletion(
@@ -226,6 +242,9 @@ describe("runBriefingCompletion — cost owner decides the ceiling", () => {
 
   it("still bounds a BYOK chain at the user-plan ceiling", async () => {
     ledgerTotal = USER_PLAN_CAP;
+    // Not one of those tokens was the operator's: the abuse ceiling on the
+    // total is what must still refuse this generation.
+    ledgerOperator = 0;
     mockProviderReply(100);
 
     await expect(

src/lib/insights/__tests__/comprehensive-briefing-grounding-disposal.test.ts

@@ -24,7 +24,7 @@ const extractFeatures = vi.fn();
 
 vi.mock("@/lib/db", () => ({
   prisma: {
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-briefing-reroll.test.ts

@@ -24,7 +24,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-budget-refusal.test.ts

@@ -15,6 +15,8 @@
 import { describe, it, expect, vi, beforeEach } from "vitest";
 
 let ledgerTotal = 0;
+/** …and of `coach_usage.operator_tokens`. */
+let ledgerOperator = 0;
 
 const findUnique = vi.fn();
 const userUpdate = vi.fn();
@@ -29,17 +31,27 @@ vi.mock("@/lib/db", () => ({
   prisma: {
     $queryRaw: vi.fn(
       async (_strings: TemplateStringsArray, ...v: unknown[]) => {
+        // (userId, dateKey, reserved, operatorReserved, …).
         ledgerTotal += Number(v[2] ?? 0);
-        return [{ total_tokens: ledgerTotal }];
+        ledgerOperator += Number(v[3] ?? 0);
+        return [{ total_tokens: ledgerTotal, operator_tokens: ledgerOperator }];
       },
     ),
     $executeRaw: vi.fn(
       async (strings: TemplateStringsArray, ...v: unknown[]) => {
         const sql = strings.join("?");
         const amount = Number(v[0] ?? 0);
-        if (sql.includes("total_tokens + ")) ledgerTotal += amount;
-        else if (sql.includes("total_tokens - ")) ledgerTotal -= amount;
+        // The operator-funded share moves in the same statement.
+        const operatorAmount = Number(v[1] ?? 0);
+        if (sql.includes("total_tokens + ")) {
+          ledgerTotal += amount;
+          ledgerOperator += operatorAmount;
+        } else if (sql.includes("total_tokens - ")) {
+          ledgerTotal -= amount;
+          ledgerOperator -= operatorAmount;
+        }
         ledgerTotal = Math.max(0, ledgerTotal);
+        ledgerOperator = Math.max(0, ledgerOperator);
         return 1;
       },
     ),
@@ -110,6 +122,7 @@ const VALID = JSON.stringify({ dailyBriefing: { paragraph: "ok" } });
 beforeEach(() => {
   vi.clearAllMocks();
   ledgerTotal = 0;
+  ledgerOperator = 0;
   resolveProviderChain.mockResolvedValue([
     { providerType: "admin-openai", instance: {} },
   ]);
@@ -145,6 +158,7 @@ describe("generateComprehensiveInsight — daily token ceiling", () => {
 
   it("refuses over-cap as `skipped: budget` without contacting a provider", async () => {
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
 
     const outcome = await generateComprehensiveInsight("u1", { locale: "de" });
 
@@ -166,6 +180,7 @@ describe("generateComprehensiveInsight — daily token ceiling", () => {
       { providerType: "anthropic", instance: {} },
     ]);
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
 
     const outcome = await generateComprehensiveInsight("u1", { locale: "de" });
 
@@ -178,6 +193,7 @@ describe("generateComprehensiveInsight — daily token ceiling", () => {
       { providerType: "anthropic", instance: {} },
     ]);
     ledgerTotal = USER_PLAN_CAP;
+    ledgerOperator = USER_PLAN_CAP;
 
     const outcome = await generateComprehensiveInsight("u1", { locale: "de" });
 

src/lib/insights/__tests__/comprehensive-generate-force.test.ts

@@ -31,7 +31,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-json-retry.test.ts

@@ -22,7 +22,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-privacy-flip.test.ts

@@ -25,7 +25,7 @@ const getSelfContextTextForUser = vi.fn();
 
 vi.mock("@/lib/db", () => ({
   prisma: {
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-timeout-honored.test.ts

@@ -26,7 +26,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/comprehensive-warm-timeout.test.ts

@@ -28,7 +28,7 @@ vi.mock("@/lib/db", () => ({
     // egress and reconciles after (`reserveBudget` / `reconcileSpend`), both
     // over raw SQL. A zero prior total keeps every generation under the cap,
     // so these suites keep testing what they were written to test.
-    $queryRaw: vi.fn(async () => [{ total_tokens: 0 }]),
+    $queryRaw: vi.fn(async () => [{ total_tokens: 0, operator_tokens: 0 }]),
     $executeRaw: vi.fn(async () => 0),
     user: {
       findUnique: (...a: unknown[]) => findUnique(...a),

src/lib/insights/__tests__/status-provider-budget.test.ts

@@ -18,6 +18,8 @@ import { describe, it, expect, vi, beforeEach } from "vitest";
 
 /** In-memory stand-in for the day's `coach_usage.total_tokens`. */
 let ledgerTotal = 0;
+/** …and of `coach_usage.operator_tokens`. */
+let ledgerOperator = 0;
 
 vi.mock("@/lib/db", () => ({
   prisma: {
@@ -25,8 +27,10 @@ vi.mock("@/lib/db", () => ({
     // (strings, userId, dateKey, reserved, reserved).
     $queryRaw: vi.fn(
       async (_strings: TemplateStringsArray, ...v: unknown[]) => {
+        // (userId, dateKey, reserved, operatorReserved, …).
         ledgerTotal += Number(v[2] ?? 0);
-        return [{ total_tokens: ledgerTotal }];
+        ledgerOperator += Number(v[3] ?? 0);
+        return [{ total_tokens: ledgerTotal, operator_tokens: ledgerOperator }];
       },
     ),
     // `reconcileSpend` (+delta) and `refundReservation` (-reserved).
@@ -34,9 +38,17 @@ vi.mock("@/lib/db", () => ({
       async (strings: TemplateStringsArray, ...v: unknown[]) => {
         const sql = strings.join("?");
         const amount = Number(v[0] ?? 0);
-        if (sql.includes("total_tokens + ")) ledgerTotal += amount;
-        else if (sql.includes("total_tokens - ")) ledgerTotal -= amount;
+        // The operator-funded share moves in the same statement.
+        const operatorAmount = Number(v[1] ?? 0);
+        if (sql.includes("total_tokens + ")) {
+          ledgerTotal += amount;
+          ledgerOperator += operatorAmount;
+        } else if (sql.includes("total_tokens - ")) {
+          ledgerTotal -= amount;
+          ledgerOperator -= operatorAmount;
+        }
         ledgerTotal = Math.max(0, ledgerTotal);
+        ledgerOperator = Math.max(0, ledgerOperator);
         return 1;
       },
     ),
@@ -98,6 +110,7 @@ function mockProviderReply(tokensUsed: number | null) {
 beforeEach(() => {
   vi.clearAllMocks();
   ledgerTotal = 0;
+  ledgerOperator = 0;
   resolveProviderChain.mockResolvedValue(OPERATOR_CHAIN);
   resolveProvider.mockResolvedValue({ type: "none" });
 });
@@ -115,6 +128,34 @@ describe("runStatusCompletion — ledger accounting", () => {
     expect(ledgerTotal).toBe(1234);
   });
 
+  it("refuses a background generation that would eat the reserve while the chat still runs", async () => {
+    // The automatic status/reference generators must stop while the interactive
+    // reserve is still whole, so the chat has a day left when the jobs have had
+    // theirs. One token past the point where only the reserve remains:
+    ledgerTotal = 160_001;
+    ledgerOperator = 160_001;
+    mockProviderReply(500);
+
+    const result = await runStatusCompletion(completionArgs());
+
+    expect(runRawCompletionWithFallback).not.toHaveBeenCalled();
+    expect(result.kind).toBe("error");
+
+    // The same spend, reserved by the interactive coach ceiling, is admitted.
+    const { reserveBudget, resolveDailyCap, resolveCostOwner } =
+      await import("@/lib/ai/coach/budget");
+    const chatChain = [{ providerType: "admin-openai" as const }];
+    const chat = await reserveBudget(
+      "u1",
+      3_000,
+      "2026-09-11",
+      resolveDailyCap(chatChain),
+      resolveCostOwner(chatChain),
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+  });
+
   it("charges the reservation when the provider reports no token count", async () => {
     mockProviderReply(null);
 
@@ -126,6 +167,7 @@ describe("runStatusCompletion — ledger accounting", () => {
 
   it("refuses a generation once the day's cap is already spent", async () => {
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     mockProviderReply(500);
 
     const result = await runStatusCompletion(completionArgs());
@@ -135,9 +177,21 @@ describe("runStatusCompletion — ledger accounting", () => {
     // "no provider configured" assessment, which a budget refusal is not.
     expect(runRawCompletionWithFallback).not.toHaveBeenCalled();
     expect(result.kind).toBe("error");
+    // v1.38.19 — the refusal has to SAY which ceiling it
+    // hit and whose. `{ totalAfter }` alone was the day's mixed total, which on
+    // an operator refusal is not the counter that tripped; and the shared
+    // `error` outcome cannot distinguish an exhausted background share from a
+    // dead provider, so the annotation is the only place that can.
     expect(annotate).toHaveBeenCalledWith(
       expect.objectContaining({
         action: { name: "insights.status.budget_exceeded" },
+        meta: expect.objectContaining({
+          owner: "operator",
+          surface: "job",
+          limit: "owner-cap",
+          cap: 160_000,
+          operatorAfter: OPERATOR_COST_CAP,
+        }),
       }),
     );
     // The refused reservation was refunded, not left on the row.
@@ -158,6 +212,7 @@ describe("runStatusCompletion — cost owner decides the ceiling", () => {
   it("measures an operator-key chain against the operator ceiling", async () => {
     // Just under the operator ceiling: an operator-key user is refused here.
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     mockProviderReply(100);
 
     const result = await runStatusCompletion(completionArgs());
@@ -172,6 +227,7 @@ describe("runStatusCompletion — cost owner decides the ceiling", () => {
     // category error for them — they must still be served.
     resolveProviderChain.mockResolvedValue(BYOK_CHAIN);
     ledgerTotal = OPERATOR_COST_CAP;
+    ledgerOperator = OPERATOR_COST_CAP;
     runRawCompletionWithFallback.mockResolvedValue({
       result: { content: '{"summary":"ok"}', model: "m", tokensUsed: 100 },
       workingProvider: { providerType: "anthropic" },
@@ -186,6 +242,9 @@ describe("runStatusCompletion — cost owner decides the ceiling", () => {
   it("still bounds a BYOK chain at the user-plan ceiling", async () => {
     resolveProviderChain.mockResolvedValue(BYOK_CHAIN);
     ledgerTotal = USER_PLAN_CAP;
+    // Not one of those tokens was the operator's: the abuse ceiling on the
+    // total is what must still refuse this generation.
+    ledgerOperator = 0;
     mockProviderReply(100);
 
     const result = await runStatusCompletion(completionArgs());

src/lib/insights/briefing-provider.ts

@@ -14,12 +14,12 @@
  *
  * This is the same accounting the status tier uses, not a second mechanism:
  * `reserveBudget` (one atomic upsert-increment, no read-then-write window) +
- * `resolveDailyCap(chain)` for the cost owner + `reconcileSpend` against the
+ * `resolveDailyCapFor("job", chain)` for the cost owner + `reconcileSpend` against the
  * provider's reported count. Every provider call on the briefing path routes
  * through here, so a retry is reserved and charged like any other call — a
  * user at the ceiling does not get a free correction pass.
  *
- * The cap follows the COST OWNER, not the surface. `resolveDailyCap` charges
+ * The cap follows the COST OWNER. `resolveDailyCapFor` charges
  * the operator ceiling only when the chain's primary is the operator's own
  * credential (`admin-openai` / `admin-codex`); a self-hoster on their own key,
  * their own ChatGPT plan, or a local model is measured against the generous
@@ -39,7 +39,8 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
-  resolveDailyCap,
+  resolveCostOwner,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import { singleUserTurn } from "@/lib/ai/types";
 import { annotate } from "@/lib/logging/context";
@@ -117,16 +118,29 @@ export async function runBriefingCompletion(
     args.maxTokens +
     Math.ceil((args.systemPrompt.length + args.userPrompt.length) / 4);
 
+  // v1.38.19 — a background surface: half the day's ceiling when the
+  // operator funds the chain.
+  const jobCap = resolveDailyCapFor("job", args.chain);
   const reservation = await reserveBudget(
     args.userId,
     estimatedTokens,
     dateKey,
-    resolveDailyCap(args.chain),
+    jobCap,
+    resolveCostOwner(args.chain),
+    "job",
   );
   if (!reservation.allowed) {
     annotate({
       action: { name: "insights.briefing.budget_exceeded" },
-      meta: { stage: args.stage, totalAfter: reservation.totalAfter },
+      meta: {
+        stage: args.stage,
+        owner: reservation.owner,
+        surface: "job",
+        limit: reservation.limit,
+        cap: jobCap,
+        totalAfter: reservation.totalAfter,
+        operatorAfter: reservation.operatorAfter,
+      },
     });
     throw new BriefingBudgetExceededError(args.stage, reservation.totalAfter);
   }
@@ -135,6 +149,9 @@ export async function runBriefingCompletion(
   try {
     outcome = await runRawCompletionWithFallback({
       userId: args.userId,
+      // A background generator: an operator-funded fallback hop is rationed at
+      // the job share, exactly as the reservation above was.
+      surface: "job",
       providers: args.chain,
       params: singleUserTurn({
         system: args.systemPrompt,
@@ -153,12 +170,13 @@ export async function runBriefingCompletion(
     // invented figure. A partially-burned upstream call is possible here, but
     // we have no reported count to charge, and over-charging a failed
     // generation would ration the retry the user is entitled to.
-    await reconcileSpend(args.userId, reservation.reserved, 0, dateKey).catch(
-      () => {
-        // Best-effort: a failed refund leaves the conservative reservation in
-        // place (never an undercount) and must not mask the provider error.
-      },
-    );
+    await reconcileSpend(args.userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    }).catch(() => {
+      // Best-effort: a failed refund leaves the conservative reservation in
+      // place (never an undercount) and must not mask the provider error.
+    });
     throw err;
   }
 
@@ -169,6 +187,10 @@ export async function runBriefingCompletion(
     actualTokens,
     dateKey,
     outcome.result.cachedInputTokens ?? 0,
+    {
+      servedBy: outcome.workingProvider.providerType,
+      reservedOwner: reservation.owner,
+    },
   ).catch(() => {
     // Ledger reconcile is best-effort; a failure leaves the reservation in
     // place and never breaks a generation that already succeeded.

src/lib/insights/status-provider.ts

@@ -13,7 +13,8 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
-  resolveDailyCap,
+  resolveCostOwner,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import { AI_BUDGETS, REFERENCE_AI_SEED } from "@/lib/ai/ai-budgets";
 import { singleUserTurn } from "@/lib/ai/types";
@@ -210,7 +211,7 @@ export async function runStatusCompletion(
   // prompt we are about to send — and reconcile against the provider's reported
   // count afterwards, refunding in full when nothing was generated.
   //
-  // The cap follows the COST OWNER, not the surface: `resolveDailyCap` charges
+  // The cap follows the COST OWNER: `resolveDailyCapFor` charges
   // the operator ceiling only when the chain's primary is the operator's own
   // credential (`admin-openai` / `admin-codex`). A self-hoster on their own key
   // or a local model is measured against the generous user-plan ceiling, so
@@ -218,11 +219,16 @@ export async function runStatusCompletion(
   const dateKey = buildDateKey();
   const estimatedTokens =
     maxTokens + Math.ceil((systemPrompt.length + userPrompt.length) / 4);
+  // v1.38.19 — a background surface: half the day's ceiling when the
+  // operator funds the chain.
+  const jobCap = resolveDailyCapFor("job", chain);
   const reservation = await reserveBudget(
     userId,
     estimatedTokens,
     dateKey,
-    resolveDailyCap(chain),
+    jobCap,
+    resolveCostOwner(chain),
+    "job",
   );
   if (!reservation.allowed) {
     // Over the day's ceiling. Reported as `error` — a TRANSIENT miss the caller
@@ -230,9 +236,22 @@ export async function runStatusCompletion(
     // which callers cache as the settled "no provider configured" assessment.
     // The distinct annotation keeps the refusal observable even though the
     // result shape is shared.
+    // v1.38.19 — the shared `error` outcome cannot say
+    // WHY the generation stopped, so the annotation has to. `surface: "job"`
+    // plus `cap` separates "this job used up the background share" from "the
+    // whole day is spent", and `limit` says which counter tripped. The operator
+    // sees the same split on the admin provider-health card.
     annotate({
       action: { name: "insights.status.budget_exceeded" },
-      meta: { cacheAction, totalAfter: reservation.totalAfter },
+      meta: {
+        cacheAction,
+        owner: reservation.owner,
+        surface: "job",
+        limit: reservation.limit,
+        cap: jobCap,
+        totalAfter: reservation.totalAfter,
+        operatorAfter: reservation.operatorAfter,
+      },
     });
     return { kind: "error" };
   }
@@ -242,6 +261,9 @@ export async function runStatusCompletion(
       runRawCompletionWithFallback({
         userId,
         providers: chain,
+        // A background generator: an operator-funded fallback hop is rationed
+        // at the job share, exactly as the reservation above was.
+        surface: "job",
         params: singleUserTurn({
           system: systemPrompt,
           user: userPrompt,
@@ -264,11 +286,17 @@ export async function runStatusCompletion(
     // A timed-out generation may still have burned upstream tokens, but we have
     // no reported count to charge — refund the reservation rather than bill an
     // invented figure.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     return { kind: "timeout" };
   }
   if (raced.errored || raced.value === null) {
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     return { kind: "error" };
   }
 
@@ -279,7 +307,10 @@ export async function runStatusCompletion(
   // into a free retry loop. Falls back to the reservation when the provider
   // reports no count, so an unreported generation is never billed as zero.
   const actualTokens = result.tokensUsed ?? reservation.reserved;
-  await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey);
+  await reconcileSpend(userId, reservation.reserved, actualTokens, dateKey, 0, {
+    servedBy: workingProvider.providerType,
+    reservedOwner: reservation.owner,
+  });
 
   const content = result.content;
   if (typeof content !== "string" || content.trim().length === 0) {

src/lib/jobs/__tests__/async-state-contract.test.ts

@@ -76,6 +76,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/ai-budgets", () => ({
   AI_BUDGETS: {

src/lib/jobs/__tests__/coach-nudge-ai-consent.test.ts

@@ -35,6 +35,8 @@ const budgetMocks = vi.hoisted(() => ({
   })),
   reconcileSpend: vi.fn(async () => {}),
   resolveDailyCap: vi.fn(() => 200_000),
+  resolveDailyCapFor: vi.fn(() => 200_000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/coach/budget", () => budgetMocks);
 

src/lib/jobs/__tests__/document-content-index-backfill.test.ts

@@ -49,6 +49,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/jobs/boss-instance", () => ({ getGlobalBoss: vi.fn() }));
 

src/lib/jobs/__tests__/document-summary.test.ts

@@ -50,6 +50,8 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: vi.fn(),
   reconcileSpend: vi.fn().mockResolvedValue(undefined),
   resolveDailyCap: vi.fn(() => 1000),
+  resolveDailyCapFor: vi.fn(() => 1000),
+  resolveCostOwner: vi.fn(() => "operator" as const),
 }));
 vi.mock("@/lib/ai/ai-budgets", () => ({
   AI_BUDGETS: { documentSummary: { temperature: 0.3, maxTokens: 600 } },
@@ -124,6 +126,7 @@ beforeEach(() => {
   vi.mocked(reserveBudget).mockResolvedValue({
     allowed: true,
     reserved: 5,
+    owner: "operator",
   } as never);
 });
 
@@ -151,7 +154,14 @@ describe("runDocumentSummaryJob — gating", () => {
       "A lab report from a clinic listing routine blood values.",
     );
     // Budget reserved then reconciled at the full reserved amount (charged).
-    expect(reconcileSpend).toHaveBeenCalledWith("user-1", 5, 5, "2026-07-17");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "user-1",
+      5,
+      5,
+      "2026-07-17",
+      0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
+    );
     // Write is scoped to the still-null column so a re-run cannot clobber it.
     expect(prisma.inboundDocument.updateMany).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -216,7 +226,14 @@ describe("runDocumentSummaryJob — gating", () => {
     await runDocumentSummaryJob({ userId: "user-1", documentId: "doc-1" });
 
     // Reservation refunded to zero spend; no summary written, state recorded.
-    expect(reconcileSpend).toHaveBeenCalledWith("user-1", 5, 0, "2026-07-17");
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "user-1",
+      5,
+      0,
+      "2026-07-17",
+      0,
+      { servedBy: null, reservedOwner: "operator" },
+    );
     expect(prisma.inboundDocument.updateMany).toHaveBeenCalledWith(
       expect.objectContaining({ data: { summaryState: "UNAVAILABLE" } }),
     );

src/lib/jobs/__tests__/reaction-line-degradation.test.ts

@@ -88,6 +88,9 @@ vi.mock("@/lib/ai/coach/budget", () => ({
   reserveBudget: (...a: unknown[]) => reserveBudget(...a),
   reconcileSpend: (...a: unknown[]) => reconcileSpend(...a),
   resolveDailyCap: () => 200_000,
+  // A background surface on an operator-funded chain: half the ceiling.
+  resolveDailyCapFor: () => 100_000,
+  resolveCostOwner: () => "operator" as const,
 }));
 
 const loadDailyDigest = vi.fn();
@@ -173,7 +176,7 @@ function expectSurfaceStillWorks() {
   expect(digest.line.length).toBeGreaterThan(0);
 }
 
-beforeEach(() => {
+beforeEach(async () => {
   vi.clearAllMocks();
   findUnique.mockResolvedValue({
     id: "r1",
@@ -191,16 +194,22 @@ beforeEach(() => {
   measurementFindMany.mockResolvedValue([]);
   workoutFindFirst.mockResolvedValue(null);
   labResultFindMany.mockResolvedValue([]);
-  queryRaw.mockResolvedValue([{ total_tokens: 1_400 }]);
+  queryRaw.mockResolvedValue([{ total_tokens: 1_400, operator_tokens: 1_400 }]);
   executeRaw.mockResolvedValue(1);
   isModuleEnabled.mockResolvedValue(true);
   chainRequiresServerManagedConsent.mockReturnValue(false);
   hasActiveConsentForSurface.mockResolvedValue(true);
-  reserveBudget.mockResolvedValue({
-    allowed: true,
-    reserved: 1_400,
-    totalAfter: 1_400,
-  });
+  // v1.38.19 — the claim reservation is no longer a
+  // second copy of the upsert; it calls the shared `reserveBudget` with the
+  // transaction client. The spy therefore runs the REAL gate against the
+  // mocked `$queryRaw`, so the rows a test hands back are the ledger the gate
+  // reads — which is the only way this file can pin which counter it compares.
+  const actualBudget = await vi.importActual<
+    typeof import("@/lib/ai/coach/budget")
+  >("@/lib/ai/coach/budget");
+  reserveBudget.mockImplementation(
+    actualBudget.reserveBudget as unknown as (...a: unknown[]) => unknown,
+  );
   reconcileSpend.mockResolvedValue(undefined);
   loadDailyDigest.mockResolvedValue({
     score: { value: 82, band: "good", delta: 3 },
@@ -467,6 +476,7 @@ describe("reaction line — degradation", () => {
       1_400,
       "2026-07-16",
       0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
     );
   });
 
@@ -501,7 +511,11 @@ describe("reaction line — degradation", () => {
     resolveProviderChain.mockResolvedValue([
       { providerType: "openai", instance: {} },
     ]);
-    queryRaw.mockResolvedValue([{ total_tokens: 201_400 }]);
+    // The OPERATOR-funded share of the day is spent — the counter the job's
+    // ceiling is about.
+    queryRaw.mockResolvedValue([
+      { total_tokens: 101_400, operator_tokens: 101_400 },
+    ]);
 
     const outcome = await runReactionLine(JOB);
 
@@ -510,6 +524,44 @@ describe("reaction line — degradation", () => {
     expectSurfaceStillWorks();
   });
 
+  it("a day the user's own plan paid for still admits the reaction", async () => {
+    // The 2026-09-11 shape: the operator's shared key answered 500 all
+    // morning and `codex` — his own ChatGPT plan — served everything, so the
+    // day's total is large and the operator's counter is empty. The
+    // reservation used to compare that total against the operator's ceiling
+    // and refuse, locking the surface out over money the operator never spent
+    // — and at HALF the old ceiling, because this is a background surface.
+    resolveProviderChain.mockResolvedValue([
+      {
+        providerType: "openai",
+        instance: {
+          generateCompletion: vi.fn().mockResolvedValue({
+            content: "Logged and steady.",
+            tokensUsed: 90,
+          }),
+        },
+      },
+    ]);
+    queryRaw.mockResolvedValue([
+      { total_tokens: 901_400, operator_tokens: 1_400 },
+    ]);
+
+    const outcome = await runReactionLine(JOB);
+
+    expect(outcome).not.toMatchObject({ reason: "budget_exceeded" });
+    // One implementation, not two: the claim transaction reserves through the
+    // shared gate, with the job ceiling and the transaction client.
+    expect(reserveBudget).toHaveBeenCalledWith(
+      "u1",
+      1_400,
+      "2026-07-16",
+      100_000,
+      "operator",
+      "job",
+      expect.anything(),
+    );
+  });
+
   it("provider invocation is terminal even when the provider throws", async () => {
     const generateCompletion = vi.fn().mockRejectedValue(new Error("timeout"));
     resolveProviderChain.mockResolvedValue([
@@ -528,6 +580,8 @@ describe("reaction line — degradation", () => {
       1_400,
       1_400,
       "2026-07-16",
+      0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
     );
     expect(updateMany).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -623,6 +677,7 @@ describe("reaction line — degradation", () => {
       900,
       "2026-07-16",
       0,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
     );
     expect(update).not.toHaveBeenCalled();
     expectSurfaceStillWorks();
@@ -683,6 +738,108 @@ describe("reaction line — degradation", () => {
       1_100,
       "2026-07-16",
       100,
+      { servedBy: expect.any(String), reservedOwner: "operator" },
+    );
+  });
+});
+
+/**
+ * v1.38.19 — a reservation is never stranded.
+ *
+ * Every path that crosses the provider boundary has to settle the ledger, and
+ * settle it against the owner the reservation was actually booked to. Nothing
+ * outside `data-arrival.ts` reverses an arrival reservation, and there is no
+ * retention job on `coach_usage`, so a path that forgets leaves those tokens
+ * counted until the UTC day rolls — and under an operator-funded chain it
+ * leaves them counted against the operator's ceiling.
+ *
+ * The supersede path (a newer arrival replacing a pre-provider reservation) is
+ * the fourth exit and lives in the database, so it is pinned in
+ * `tests/integration/arrival-reaction-claim.test.ts` instead.
+ */
+describe("reaction line — every exit settles the reservation", () => {
+  const settled = {
+    servedBy: expect.any(String),
+    reservedOwner: "operator",
+  };
+
+  it("settles on a provider error", async () => {
+    resolveProviderChain.mockResolvedValue([
+      {
+        providerType: "openai",
+        instance: {
+          generateCompletion: vi.fn().mockRejectedValue(new Error("boom")),
+        },
+      },
+    ]);
+
+    const outcome = await runReactionLine(JOB);
+
+    expect(outcome).toEqual({ status: "skipped", reason: "provider_failed" });
+    expect(reconcileSpend).toHaveBeenCalledTimes(1);
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "u1",
+      1_400,
+      1_400,
+      "2026-07-16",
+      0,
+      settled,
+    );
+  });
+
+  it("settles on a timeout", async () => {
+    const timeout = Object.assign(new Error("The operation was aborted"), {
+      name: "TimeoutError",
+    });
+    resolveProviderChain.mockResolvedValue([
+      {
+        providerType: "openai",
+        instance: {
+          generateCompletion: vi.fn().mockRejectedValue(timeout),
+        },
+      },
+    ]);
+
+    const outcome = await runReactionLine(JOB);
+
+    expect(outcome).toEqual({ status: "skipped", reason: "provider_failed" });
+    // A timed-out call may still have burned the tokens upstream, so the
+    // conservative reservation is CHARGED rather than refunded — but it is
+    // settled either way, and against the right owner.
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "u1",
+      1_400,
+      1_400,
+      "2026-07-16",
+      0,
+      settled,
+    );
+  });
+
+  it("settles on an empty reply", async () => {
+    resolveProviderChain.mockResolvedValue([
+      {
+        providerType: "openai",
+        instance: {
+          generateCompletion: vi
+            .fn()
+            .mockResolvedValue({ content: "   ", tokensUsed: 640 }),
+        },
+      },
+    ]);
+
+    const outcome = await runReactionLine(JOB);
+
+    expect(outcome).toEqual({ status: "skipped", reason: "unusable_output" });
+    // Burned upstream even though the reply was unusable: recorded, not
+    // refunded into a free retry loop.
+    expect(reconcileSpend).toHaveBeenCalledWith(
+      "u1",
+      1_400,
+      640,
+      "2026-07-16",
+      0,
+      settled,
     );
   });
 });

src/lib/jobs/coach-nudge-ai.ts

@@ -43,7 +43,8 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
-  resolveDailyCap,
+  resolveCostOwner,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import { AI_BUDGETS } from "@/lib/ai/ai-budgets";
 import { singleUserTurn } from "@/lib/ai/types";
@@ -190,7 +191,8 @@ export const composeNudgeWithAI: ComposeNudgeWithAI = async (params) => {
 
     const budget = AI_BUDGETS.coachNudge;
     const maxTokens = budget.maxTokens ?? 160;
-    const dailyCap = resolveDailyCap(chain);
+    // v1.38.19 — a background surface: half the day's ceiling.
+    const dailyCap = resolveDailyCapFor("job", chain);
     const dateKey = buildDateKey();
 
     // Per-user budget gate (atomic reserve; refunds itself on refusal).
@@ -199,6 +201,8 @@ export const composeNudgeWithAI: ComposeNudgeWithAI = async (params) => {
       maxTokens,
       dateKey,
       dailyCap,
+      resolveCostOwner(chain),
+      "job",
     );
     if (!reservation.allowed) {
       annotate({ action: { name: "coach.nudge.ai.budget_exceeded" } });
@@ -224,12 +228,10 @@ export const composeNudgeWithAI: ComposeNudgeWithAI = async (params) => {
     } catch {
       // Timeout / network / provider error → refund what wasn't spent and
       // fall back to the template.
-      await reconcileSpend(
-        params.userId,
-        reservation.reserved,
-        0,
-        dateKey,
-      ).catch(() => {});
+      await reconcileSpend(params.userId, reservation.reserved, 0, dateKey, 0, {
+        servedBy: null,
+        reservedOwner: reservation.owner,
+      }).catch(() => {});
       annotate({ action: { name: "coach.nudge.ai.fallback" } });
       return null;
     }
@@ -240,6 +242,7 @@ export const composeNudgeWithAI: ComposeNudgeWithAI = async (params) => {
       result.tokensUsed ?? 0,
       dateKey,
       result.cachedInputTokens ?? 0,
+      { servedBy: chain[0].providerType, reservedOwner: reservation.owner },
     ).catch(() => {});
 
     const body = sanitiseAiBody(result.content, params.locale);

src/lib/jobs/data-arrival.ts

@@ -61,6 +61,13 @@ interface LockedReaction {
   occurredAt: Date;
   generationReservedTokens: number | null;
   generationBudgetDateKey: string | null;
+  /**
+   * v1.38.19 — `"operator"` when the reservation below was booked to
+   * the operator's counter, `"user"` otherwise, null on a row reserved before
+   * the column existed. The refund has to reverse the SAME counters the
+   * reservation moved, and there is no chain here to ask.
+   */
+  generationCostOwner: string | null;
   generationProviderInvokedAt: Date | null;
 }
 
@@ -100,6 +107,7 @@ async function claimReaction(
         occurred_at AS "occurredAt",
         generation_reserved_tokens AS "generationReservedTokens",
         generation_budget_date_key AS "generationBudgetDateKey",
+        generation_cost_owner AS "generationCostOwner",
         generation_provider_invoked_at AS "generationProviderInvokedAt"
       FROM arrival_reactions
       WHERE user_id = ${arrival.userId}
@@ -117,12 +125,25 @@ async function claimReaction(
       current.generationBudgetDateKey != null &&
       current.generationProviderInvokedAt == null
     ) {
+      // v1.38.19 — reverse BOTH counters, or neither.
+      //
+      // The reservation booked `operator_tokens` too whenever the chain's
+      // primary was operator-funded. Refunding only the total left that share
+      // stranded: nothing else in the codebase ever subtracts it, so every
+      // supersede — a routine event, any second measurement of the same kind on
+      // the same local date before the worker runs — walked the operator's
+      // ceiling upward against spend that never happened.
+      const operatorReserved =
+        current.generationCostOwner === "operator"
+          ? current.generationReservedTokens
+          : 0;
       await tx.$executeRaw`
         UPDATE coach_usage
         SET total_tokens = GREATEST(
               0,
               total_tokens - ${current.generationReservedTokens}
             ),
+            operator_tokens = GREATEST(0, operator_tokens - ${operatorReserved}),
             message_count = GREATEST(0, message_count - 1),
             updated_at = NOW()
         WHERE user_id = ${arrival.userId}
@@ -142,6 +163,7 @@ async function claimReaction(
         generationClaimedAt: null,
         generationReservedTokens: null,
         generationBudgetDateKey: null,
+        generationCostOwner: null,
         generationProviderInvokedAt: null,
       },
     });

src/lib/jobs/document-content-index-backfill.ts

@@ -38,7 +38,8 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
-  resolveDailyCap,
+  resolveCostOwner,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import { prisma } from "@/lib/db";
 import {
@@ -199,7 +200,10 @@ export async function runContentIndexBackfillForUser(
   // leaves every PDF out of "index all documents".
   const candidateMimes = [...IMAGE_MIMES, "application/pdf"];
 
-  const dailyCap = resolveDailyCap([{ providerType: pick.entry.providerType }]);
+  // v1.38.19 — a background surface: half the day's ceiling.
+  const dailyCap = resolveDailyCapFor("job", [
+    { providerType: pick.entry.providerType },
+  ]);
   let indexed = 0;
   let skipped = 0;
   let failed = stale.failed;
@@ -231,6 +235,8 @@ export async function runContentIndexBackfillForUser(
         AI_BUDGETS.documentTranscribe.maxTokens,
         dateKey,
         dailyCap,
+        resolveCostOwner([{ providerType: pick.entry.providerType }]),
+        "job",
       );
       if (!reservation.allowed) {
         reason = "budget-reached";
@@ -239,7 +245,10 @@ export async function runContentIndexBackfillForUser(
 
       const document = await loadOwnedDocument(userId, id);
       if (!document) {
-        await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+        await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+          servedBy: null,
+          reservedOwner: reservation.owner,
+        });
         skipped += 1;
         continue;
       }
@@ -249,7 +258,10 @@ export async function runContentIndexBackfillForUser(
         // or a PDF the rasteriser could not render) — refund and move on so
         // the walk keeps converging. Counted as skipped, not failed: no
         // provider call happened.
-        await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+        await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+          servedBy: null,
+          reservedOwner: reservation.owner,
+        });
         skipped += 1;
         continue;
       }
@@ -266,6 +278,11 @@ export async function runContentIndexBackfillForUser(
           reservation.reserved,
           reservation.reserved,
           dateKey,
+          0,
+          {
+            servedBy: pick.entry.providerType,
+            reservedOwner: reservation.owner,
+          },
         );
         await upsertContentIndex({
           userId,
@@ -278,7 +295,10 @@ export async function runContentIndexBackfillForUser(
       } catch {
         // A provider miss on one document must not abort the batch — refund and
         // leave it un-indexed (a later run retries it).
-        await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+        await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+          servedBy: null,
+          reservedOwner: reservation.owner,
+        });
         failed += 1;
       }
     }

src/lib/jobs/document-summary.ts

@@ -30,7 +30,8 @@ import {
   buildDateKey,
   reconcileSpend,
   reserveBudget,
-  resolveDailyCap,
+  resolveCostOwner,
+  resolveDailyCapFor,
 } from "@/lib/ai/coach/budget";
 import {
   loadOwnedDocument,
@@ -190,7 +191,10 @@ export async function runDocumentSummaryJob(
     userId,
     AI_BUDGETS.documentSummary.maxTokens,
     dateKey,
-    resolveDailyCap([{ providerType: pick.entry.providerType }]),
+    // v1.38.19 — a background surface: half the day's ceiling.
+    resolveDailyCapFor("job", [{ providerType: pick.entry.providerType }]),
+    resolveCostOwner([{ providerType: pick.entry.providerType }]),
+    "job",
   );
   // Budget exhausted → skip (no local fallback for a summary).
   if (!reservation.allowed) {
@@ -224,6 +228,8 @@ export async function runDocumentSummaryJob(
       reservation.reserved,
       reservation.reserved,
       dateKey,
+      0,
+      { servedBy: pick.entry.providerType, reservedOwner: reservation.owner },
     );
     // WITHHOLD policy, v1.30.31. The model's prose still never lands — a
     // summary that tripped the outbound screen must never be shown as if it
@@ -273,7 +279,10 @@ export async function runDocumentSummaryJob(
     // Refund the reservation on a provider miss; the document keeps no summary
     // (the on-demand route remains the manual fallback). Never rethrow — a
     // transient provider error must not retry-loop or fail the queue.
-    await reconcileSpend(userId, reservation.reserved, 0, dateKey);
+    await reconcileSpend(userId, reservation.reserved, 0, dateKey, 0, {
+      servedBy: null,
+      reservedOwner: reservation.owner,
+    });
     await markSummaryState(userId, documentId, "UNAVAILABLE");
     annotate({
       action: { name: "documents.summary.autoFailed" },

src/lib/jobs/reaction-line.ts

@@ -41,7 +41,10 @@ import { isModuleEnabled } from "@/lib/modules/gate";
 import {
   buildDateKey,
   reconcileSpend,
-  resolveDailyCap,
+  reserveBudget,
+  resolveCostOwner,
+  resolveDailyCapFor,
+  type BudgetCostOwner,
 } from "@/lib/ai/coach/budget";
 import { AI_BUDGETS } from "@/lib/ai/ai-budgets";
 import { screenCoachReply } from "@/lib/ai/coach/outbound-guard";
@@ -314,6 +317,14 @@ type ReactionReservation = {
   allowed: boolean;
   reserved: number;
   dateKey: string;
+  /**
+   * v1.38.19 — the cost owner the reservation was booked to. It is
+   * PERSISTED on the row (`generationCostOwner`), not recomputed: the chain is
+   * re-resolved per run and the health ledger reorders it, so a resumed
+   * reservation that asked the chain again could reverse a counter the
+   * reservation never touched — or leave one it did.
+   */
+  owner: BudgetCostOwner;
 };
 
 class ReactionClaimLostError extends Error {
@@ -334,6 +345,7 @@ async function reserveClaimBudget(
   revision: Date,
   dateKey: string,
   cap: number,
+  owner: BudgetCostOwner,
 ): Promise<ReactionReservation> {
   return prisma.$transaction(async (tx) => {
     const stillOwned = await tx.arrivalReaction.updateMany({
@@ -351,30 +363,33 @@ async function reserveClaimBudget(
     });
     if (stillOwned.count !== 1) throw new ReactionClaimLostError();
 
-    const reserved = ARRIVAL_REACTION_RESERVE_TOKENS;
-    const rows = await tx.$queryRaw<{ total_tokens: number }[]>`
-      INSERT INTO coach_usage (id, user_id, date_key, total_tokens, message_count, created_at, updated_at)
-      VALUES (gen_random_uuid()::text, ${userId}, ${dateKey}, ${reserved}, 1, NOW(), NOW())
-      ON CONFLICT (user_id, date_key) DO UPDATE SET
-        total_tokens = coach_usage.total_tokens + ${reserved},
-        message_count = coach_usage.message_count + 1,
-        updated_at = NOW()
-      RETURNING total_tokens
-    `;
-    const totalAfter = Number(rows[0]?.total_tokens ?? reserved);
-    if (totalAfter - reserved >= cap) {
-      await tx.$executeRaw`
-        UPDATE coach_usage
-        SET total_tokens = GREATEST(0, total_tokens - ${reserved}),
-            message_count = GREATEST(0, message_count - 1),
-            updated_at = NOW()
-        WHERE user_id = ${userId} AND date_key = ${dateKey}
-      `;
+    // v1.38.19 — ONE reservation implementation.
+    //
+    // This surface used to carry its own copy of the upsert so the write could
+    // ride the claim transaction. The copy drifted: it learned to WRITE
+    // `operator_tokens` and kept gating on the day's mixed total, at the
+    // halved job ceiling — so on a row holding 1.2 M tokens of which almost
+    // none were the operator's (2026-09-11, the shared key answering 500 while
+    // the user's own plan served), the arrival reaction was refused all day
+    // over money the operator never spent. `reserveBudget` takes the
+    // transaction client instead, so both writes still roll back together and
+    // there is no second copy left to drift.
+    const reservation = await reserveBudget(
+      userId,
+      ARRIVAL_REACTION_RESERVE_TOKENS,
+      dateKey,
+      cap,
+      owner,
+      "job",
+      tx,
+    );
+    const reserved = reservation.reserved;
+    if (!reservation.allowed) {
       await tx.arrivalReaction.updateMany({
         where: { id: rowId, userId, occurredAt: revision, generationClaimId },
         data: { generationClaimId: null, generationClaimedAt: null },
       });
-      return { allowed: false, reserved, dateKey };
+      return { allowed: false, reserved, dateKey, owner };
     }
 
     const linked = await tx.arrivalReaction.updateMany({
@@ -391,11 +406,16 @@ async function reserveClaimBudget(
       data: {
         generationReservedTokens: reserved,
         generationBudgetDateKey: dateKey,
+        // v1.38.19 — persist the cost owner with the
+        // amount. Two readers need it and neither can derive it: the resume
+        // path below (the chain may have been reordered since) and the
+        // supersede refund in `data-arrival.ts` (which has no chain at all).
+        generationCostOwner: owner,
       },
     });
     if (linked.count !== 1) throw new ReactionClaimLostError();
 
-    return { allowed: true, reserved, dateKey };
+    return { allowed: true, reserved, dateKey, owner };
   });
 }
 
@@ -430,6 +450,7 @@ export async function runReactionLine(
       generationClaimedAt: true,
       generationReservedTokens: true,
       generationBudgetDateKey: true,
+      generationCostOwner: true,
       generationProviderInvokedAt: true,
       occurredAt: true,
       refId: true,
@@ -526,6 +547,12 @@ export async function runReactionLine(
       allowed: true,
       reserved: row.generationReservedTokens!,
       dateKey: row.generationBudgetDateKey!,
+      // The owner the reservation was actually booked to. Rows written before
+      // the column existed have none; the chain is the only answer left for
+      // those, and it is the answer the whole resume path used to give.
+      owner:
+        (row.generationCostOwner as BudgetCostOwner | null) ??
+        resolveCostOwner(chain),
     };
   } else {
     try {
@@ -535,7 +562,9 @@ export async function runReactionLine(
         job.userId,
         revision,
         buildDateKey(),
-        resolveDailyCap(chain),
+        // v1.38.19 — a background surface: half the day's ceiling.
+        resolveDailyCapFor("job", chain),
+        resolveCostOwner(chain),
       );
     } catch (err) {
       if (err instanceof ReactionClaimLostError) {
@@ -625,6 +654,8 @@ export async function runReactionLine(
       reservation.reserved,
       reservation.reserved,
       reservation.dateKey,
+      0,
+      { servedBy: chain[0].providerType, reservedOwner: reservation.owner },
     ).catch(() => {});
     await finishTerminalAttempt().catch(() => {});
     workerLog("error", "[reaction-line] generation failed", err);
@@ -638,6 +669,7 @@ export async function runReactionLine(
       result.tokensUsed ?? reservation.reserved,
       reservation.dateKey,
       result.cachedInputTokens ?? 0,
+      { servedBy: chain[0].providerType, reservedOwner: reservation.owner },
     );
   } catch (err) {
     // Do not publish a line whose spend was not durably reconciled. The

tests/integration/arrival-reaction-claim.test.ts

@@ -266,6 +266,110 @@ describe("ArrivalReaction — the day claim", () => {
     expect(usage).toMatchObject({ totalTokens: 280, messageCount: 1 });
   });
 
+  // v1.38.19 — the refund reverses BOTH counters.
+  //
+  // The reservation booked `operator_tokens` whenever the chain's primary was
+  // operator-funded. The supersede refund reversed only the total, and nothing
+  // else in the codebase ever subtracts that share — so every superseded
+  // reaction (any second measurement of the same kind on the same local date
+  // before the worker runs) walked the operator's ceiling upward against spend
+  // that never happened. Twenty of them is 28 000 tokens of a 100 000 job share
+  // gone for nothing, until the UTC day rolls.
+  it("refunds the operator share of a superseded reservation too", async () => {
+    const prisma = getPrismaClient();
+    const user = await createUser("arrival-operator-refund");
+    const early = new Date("2026-07-14T06:00:00Z");
+    const late = new Date("2026-07-14T18:00:00Z");
+    await prisma.arrivalReaction.create({
+      data: {
+        ...marker(user.id, "weight", early),
+        generationClaimId: "pre-provider-claim",
+        generationClaimedAt: new Date("2026-07-14T06:01:00Z"),
+        generationReservedTokens: 220,
+        generationBudgetDateKey: "2026-07-14",
+        generationCostOwner: "operator",
+      },
+    });
+    await prisma.coachUsage.create({
+      data: {
+        userId: user.id,
+        dateKey: "2026-07-14",
+        totalTokens: 500,
+        operatorTokens: 300,
+        messageCount: 2,
+      },
+    });
+
+    const { runDataArrival } = await import("@/lib/jobs/data-arrival");
+    await runDataArrival(prisma as never, {
+      userId: user.id,
+      kind: "weight",
+      salience: "salient",
+      localDate: LOCAL_DATE,
+      occurredAt: late.toISOString(),
+      count: 1,
+      source: "withings",
+    });
+
+    const usage = await prisma.coachUsage.findUniqueOrThrow({
+      where: { userId_dateKey: { userId: user.id, dateKey: "2026-07-14" } },
+    });
+    expect(usage).toMatchObject({
+      totalTokens: 280,
+      operatorTokens: 80,
+      messageCount: 1,
+    });
+
+    // The advanced marker carries no stale owner into the next attempt.
+    const advanced = await prisma.arrivalReaction.findFirstOrThrow({
+      where: { userId: user.id },
+    });
+    expect(advanced.generationCostOwner).toBeNull();
+  });
+
+  it("leaves the operator counter alone when the user's own plan reserved", async () => {
+    const prisma = getPrismaClient();
+    const user = await createUser("arrival-user-refund");
+    const early = new Date("2026-07-14T06:00:00Z");
+    const late = new Date("2026-07-14T18:00:00Z");
+    await prisma.arrivalReaction.create({
+      data: {
+        ...marker(user.id, "weight", early),
+        generationClaimId: "pre-provider-claim",
+        generationClaimedAt: new Date("2026-07-14T06:01:00Z"),
+        generationReservedTokens: 220,
+        generationBudgetDateKey: "2026-07-14",
+        generationCostOwner: "user",
+      },
+    });
+    await prisma.coachUsage.create({
+      data: {
+        userId: user.id,
+        dateKey: "2026-07-14",
+        totalTokens: 500,
+        operatorTokens: 300,
+        messageCount: 2,
+      },
+    });
+
+    const { runDataArrival } = await import("@/lib/jobs/data-arrival");
+    await runDataArrival(prisma as never, {
+      userId: user.id,
+      kind: "weight",
+      salience: "salient",
+      localDate: LOCAL_DATE,
+      occurredAt: late.toISOString(),
+      count: 1,
+      source: "withings",
+    });
+
+    const usage = await prisma.coachUsage.findUniqueOrThrow({
+      where: { userId_dateKey: { userId: user.id, dateKey: "2026-07-14" } },
+    });
+    // Another request's operator balance is not this reservation's to spend.
+    expect(usage).toMatchObject({ totalTokens: 280, operatorTokens: 300 });
+  });
+
   it("stores the line as encrypted bytes, and tolerates its absence", async () => {
     const prisma = getPrismaClient();
     const user = await createUser("arrival-crypto");

tests/integration/coach-budget-owner.test.ts

@@ -0,0 +1,438 @@
+/**
+ * v1.38.19 — the daily coach ledger attributes tokens to the COST
+ * OWNER of the hop that actually served them.
+ *
+ * Production evidence (operator instance, 2026-09-11): the chat refused with
+ * `coach.budget.exceeded` at `totalAfter: 513539` although almost every token
+ * of that day had been served by `codex` — the operator's own ChatGPT plan —
+ * after the operator-funded `admin-openai` primary answered HTTP 500. The
+ * ledger had no provider dimension, so tokens the USER's plan paid for were
+ * counted against the operator-key cap and the interactive chat was locked out
+ * by background jobs every morning.
+ *
+ * These contracts need real Postgres: the attribution lives inside the same
+ * atomic statements as the total (`INSERT … ON CONFLICT DO UPDATE … RETURNING`
+ * and the reconcile `UPDATE`), and a mocked client cannot prove that the two
+ * counters move together under the row lock.
+ */
+import { beforeEach, describe, expect, it } from "vitest";
+
+import { getPrismaClient, truncateAllTables } from "./setup";
+
+async function seedUser(): Promise<string> {
+  const user = await getPrismaClient().user.create({
+    data: {
+      username: "budget-owner-user",
+      email: "budget-owner@example.test",
+      role: "USER",
+    },
+  });
+  return user.id;
+}
+
+async function readRow(userId: string, dateKey: string) {
+  return getPrismaClient().coachUsage.findUnique({
+    where: { userId_dateKey: { userId, dateKey } },
+  });
+}
+
+beforeEach(async () => {
+  await truncateAllTables(getPrismaClient());
+});
+
+describe("coach_usage.operator_tokens (real Postgres)", () => {
+  it("bills an operator-served turn to both counters", async () => {
+    const { reserveBudget, reconcileSpend, OPERATOR_COST_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    const res = await reserveBudget(
+      userId,
+      1_000,
+      dateKey,
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(true);
+    await reconcileSpend(userId, res.reserved, 3_000, dateKey, 0, {
+      servedBy: "admin-openai",
+      reservedOwner: "operator",
+    });
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(3_000);
+    expect(row?.operatorTokens).toBe(3_000);
+  });
+
+  it("moves the reservation out of operator_tokens when the user's own plan served", async () => {
+    const { reserveBudget, reconcileSpend, OPERATOR_COST_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    // The chain's primary is operator-funded, so the reservation is charged to
+    // the operator — but the `admin-openai` hop failed and `codex` (the user's
+    // own ChatGPT plan) answered. The operator pays nothing for that turn.
+    const res = await reserveBudget(
+      userId,
+      1_000,
+      dateKey,
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    await reconcileSpend(userId, res.reserved, 3_000, dateKey, 0, {
+      servedBy: "codex",
+      reservedOwner: "operator",
+    });
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(3_000);
+    expect(row?.operatorTokens).toBe(0);
+  });
+
+  it("a user-plan turn never touches an existing operator balance", async () => {
+    const { reserveBudget, reconcileSpend, USER_PLAN_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    // An operator-funded job already spent 150k earlier that day.
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 150_000,
+        operatorTokens: 150_000,
+        messageCount: 12,
+      },
+    });
+
+    const res = await reserveBudget(
+      userId,
+      1_000,
+      dateKey,
+      USER_PLAN_CAP,
+      "user",
+      "coach",
+    );
+    await reconcileSpend(userId, res.reserved, 4_000, dateKey, 0, {
+      servedBy: "codex",
+      reservedOwner: "user",
+    });
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(154_000);
+    // The operator's balance is untouched: a user-plan turn must neither add
+    // to it nor deplete it.
+    expect(row?.operatorTokens).toBe(150_000);
+  });
+
+  it("bills an operator-funded FALLBACK hop under a user-plan reservation", async () => {
+    const { reserveBudget, reconcileSpend, USER_PLAN_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    // Primary is the user's own key (user-plan reservation), but the chain
+    // fell back onto the operator's shared key — those tokens land on the
+    // operator's invoice and must be counted there.
+    const res = await reserveBudget(
+      userId,
+      1_000,
+      dateKey,
+      USER_PLAN_CAP,
+      "user",
+      "coach",
+    );
+    await reconcileSpend(userId, res.reserved, 2_500, dateKey, 0, {
+      servedBy: "admin-openai",
+      reservedOwner: "user",
+    });
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(2_500);
+    expect(row?.operatorTokens).toBe(2_500);
+  });
+
+  it("admits the operator's chat on a day his own plan filled", async () => {
+    const { reserveBudget, OPERATOR_COST_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    // The operator's 06:42Z lockout, reproduced: 1.2 M tokens on the day, of
+    // which only 150 k were served by the operator-funded key — the rest by
+    // `codex` on his own ChatGPT plan.
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_200_000,
+        operatorTokens: 150_000,
+        messageCount: 240,
+      },
+    });
+
+    const res = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(true);
+    expect(res.operatorAfter).toBe(153_000);
+  });
+
+  it("refuses once the operator-funded share reaches the operator cap", async () => {
+    const { reserveBudget, OPERATOR_COST_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_200_000,
+        operatorTokens: OPERATOR_COST_CAP,
+        messageCount: 240,
+      },
+    });
+
+    const res = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(1_200_000);
+    expect(row?.operatorTokens).toBe(OPERATOR_COST_CAP);
+  });
+
+  // v1.38.19 — the incident, end to end.
+  //
+  // The 06:42Z row verbatim: 1.2 M tokens on the day, none of them the
+  // operator's, on the chain `[admin-openai, codex, openai-compatible]`. The
+  // chat must open. It was refused while the ledger had no owner dimension and
+  // counted every token against the operator's ceiling; this pins that the
+  // refusal cannot come back.
+  it("does not refuse the chat for a day of background spend on the user's own plan", async () => {
+    const { reserveBudget, resolveDailyCap, resolveCostOwner } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+    const chain = [
+      { providerType: "admin-openai" as const },
+      { providerType: "codex" as const },
+      { providerType: "openai-compatible" as const },
+    ];
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_200_000,
+        operatorTokens: 0,
+        messageCount: 240,
+      },
+    });
+
+    const chat = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      resolveDailyCap(chain),
+      resolveCostOwner(chain),
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+    expect(chat.limit).toBeNull();
+  });
+
+  it("refuses the BACKGROUND generation on that same day", async () => {
+    // The other half of the promise: the interactive day is protected, and the
+    // automatic work that filled the row is the thing that stops. The operator
+    // counter is empty, so only the abuse ceiling on the total can say no —
+    // which is the ceiling the first cut dropped for operator chains.
+    const { reserveBudget, resolveDailyCapFor, resolveCostOwner } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+    const chain = [
+      { providerType: "admin-openai" as const },
+      { providerType: "codex" as const },
+    ];
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_900_000,
+        operatorTokens: 0,
+        messageCount: 380,
+      },
+    });
+
+    const job = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      resolveDailyCapFor("job", chain),
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(job.allowed).toBe(false);
+    expect(job.limit).toBe("total-cap");
+
+    // Refused means refunded: the row is exactly as it was.
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(1_900_000);
+    expect(row?.operatorTokens).toBe(0);
+    expect(row?.messageCount).toBe(380);
+
+    // ...and the person waiting still gets their turn.
+    const chat = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      200_000,
+      "operator",
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+  });
+
+  // v1.38.20 — the reserve holds on a chain nobody is billed for.
+  //
+  // This is the configuration the remedy for the original lockout produces:
+  // put the personal Codex account first and the operator stops paying for his
+  // own egress. The day then runs on `USER_PLAN_CAP` with no invoice behind it,
+  // so nothing rations the automatic generators — and without a reserve the
+  // chat is locked out by background work all over again, on the very chain
+  // that was supposed to fix it.
+  it("admits the chat on a user-funded chain whose background work filled the day", async () => {
+    const {
+      reserveBudget,
+      resolveDailyCapFor,
+      resolveDailyCap,
+      resolveCostOwner,
+    } = await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+    const chain = [
+      { providerType: "codex" as const },
+      { providerType: "admin-openai" as const },
+    ];
+
+    // 1.6 M tokens of insights on the user's own ChatGPT plan — everything the
+    // background surfaces are allowed to reach, and not a token of it billed.
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_600_000,
+        operatorTokens: 0,
+        messageCount: 320,
+      },
+    });
+
+    const job = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      resolveDailyCapFor("job", chain),
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(job.allowed).toBe(false);
+
+    // Refused means refunded: the reserve is untouched by the attempt.
+    const afterJob = await readRow(userId, dateKey);
+    expect(afterJob?.totalTokens).toBe(1_600_000);
+    expect(afterJob?.messageCount).toBe(320);
+
+    const chat = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      resolveDailyCap(chain),
+      resolveCostOwner(chain),
+      "coach",
+    );
+    expect(chat.allowed).toBe(true);
+    expect(chat.limit).toBeNull();
+  });
+
+  it("lets that same background work run right up to the reserve", async () => {
+    // The reserve is a floor under the chat, not a quota over the jobs: a day
+    // of automatic generation on the user's own plan costs nobody anything and
+    // is not cut short until it would take the last of the day.
+    const { reserveBudget, resolveDailyCapFor, resolveCostOwner } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+    const chain = [{ providerType: "codex" as const }];
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 1_599_999,
+        operatorTokens: 0,
+        messageCount: 319,
+      },
+    });
+
+    const job = await reserveBudget(
+      userId,
+      3_000,
+      dateKey,
+      resolveDailyCapFor("job", chain),
+      resolveCostOwner(chain),
+      "job",
+    );
+    expect(job.allowed).toBe(true);
+  });
+
+  it("refunds both counters when a refused reservation is rolled back", async () => {
+    const { reserveBudget, OPERATOR_COST_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-09-11";
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: OPERATOR_COST_CAP,
+        operatorTokens: OPERATOR_COST_CAP,
+        messageCount: 3,
+      },
+    });
+
+    const res = await reserveBudget(
+      userId,
+      1_000,
+      dateKey,
+      OPERATOR_COST_CAP,
+      "operator",
+      "coach",
+    );
+    expect(res.allowed).toBe(false);
+
+    const row = await readRow(userId, dateKey);
+    expect(row?.totalTokens).toBe(OPERATOR_COST_CAP);
+    expect(row?.operatorTokens).toBe(OPERATOR_COST_CAP);
+    expect(row?.messageCount).toBe(3);
+  });
+});

tests/integration/coach-budget-reservation.test.ts

@@ -37,13 +37,27 @@ describe("reserveBudget (real Postgres)", () => {
 
     // Pre-spend 900 so a single 600-token reservation stays under the cap
     // but two concurrent ones cannot both be admitted.
+    //
+    // v1.38.19 — the 900 sits on BOTH counters. The ledger grew a cost
+    // dimension: an operator-owned reservation is measured against
+    // `operator_tokens`, so a fixture that pre-spends only the mixed total no
+    // longer states its own premise ("900 already spent under this cap") and
+    // would prove nothing about concurrency. The contract this test exists for
+    // — two concurrent reservations cannot both pass one ceiling — is
+    // unchanged, and so is every assertion below.
     await getPrismaClient().coachUsage.create({
-      data: { userId, dateKey, totalTokens: 900, messageCount: 1 },
+      data: {
+        userId,
+        dateKey,
+        totalTokens: 900,
+        operatorTokens: 900,
+        messageCount: 1,
+      },
     });
 
     const [a, b] = await Promise.all([
-      reserveBudget(userId, 600, dateKey, cap),
-      reserveBudget(userId, 600, dateKey, cap),
+      reserveBudget(userId, 600, dateKey, cap, "operator", "coach"),
+      reserveBudget(userId, 600, dateKey, cap, "operator", "coach"),
     ]);
 
     // Exactly one is admitted: the first to commit sees prior 900 (< cap) and
@@ -58,6 +72,36 @@ describe("reserveBudget (real Postgres)", () => {
       where: { userId_dateKey: { userId, dateKey } },
     });
     expect(row?.totalTokens).toBe(1500);
+    expect(row?.operatorTokens).toBe(1500);
+  });
+
+  it("lets at most one of two concurrent requests push past the TOTAL ceiling", async () => {
+    // The same guarantee on the other arm. An operator-funded chain whose key
+    // keeps failing leaves `operator_tokens` near zero all day, so the abuse
+    // ceiling on the mixed total is the only ceiling left — and it has to
+    // serialise exactly like the owner's does.
+    const { reserveBudget, USER_PLAN_CAP } =
+      await import("@/lib/ai/coach/budget");
+    const userId = await seedUser();
+    const dateKey = "2026-06-23";
+
+    await getPrismaClient().coachUsage.create({
+      data: {
+        userId,
+        dateKey,
+        totalTokens: USER_PLAN_CAP - 100,
+        operatorTokens: 0,
+        messageCount: 1,
+      },
+    });
+
+    const [a, b] = await Promise.all([
+      reserveBudget(userId, 600, dateKey, 200_000, "operator", "coach"),
+      reserveBudget(userId, 600, dateKey, 200_000, "operator", "coach"),
+    ]);
+
+    expect([a, b].filter((r) => r.allowed).length).toBe(1);
+    expect([a, b].find((r) => !r.allowed)?.limit).toBe("total-cap");
   });
 
   it("admits the first request of a fresh day via the upsert create branch", async () => {
@@ -65,7 +109,14 @@ describe("reserveBudget (real Postgres)", () => {
     const userId = await seedUser();
     const dateKey = "2026-06-20";
 
-    const res = await reserveBudget(userId, 600, dateKey, 25_000);
+    const res = await reserveBudget(
+      userId,
+      600,
+      dateKey,
+      25_000,
+      "operator",
+      "coach",
+    );
     expect(res.allowed).toBe(true);
 
     const row = await getPrismaClient().coachUsage.findUnique({
@@ -81,8 +132,18 @@ describe("reserveBudget (real Postgres)", () => {
     const userId = await seedUser();
     const dateKey = "2026-06-21";
 
-    const res = await reserveBudget(userId, 600, dateKey, 25_000);
-    await reconcileSpend(userId, res.reserved, 120, dateKey);
+    const res = await reserveBudget(
+      userId,
+      600,
+      dateKey,
+      25_000,
+      "operator",
+      "coach",
+    );
+    await reconcileSpend(userId, res.reserved, 120, dateKey, 0, {
+      servedBy: "admin-openai",
+      reservedOwner: res.owner,
+    });
 
     const row = await getPrismaClient().coachUsage.findUnique({
       where: { userId_dateKey: { userId, dateKey } },
@@ -99,8 +160,18 @@ describe("reserveBudget (real Postgres)", () => {
 
     // Provider returned 450 tokens but the reply was empty/sentinel: the
     // reconcile must still record the 450 burned, not zero.
-    const res = await reserveBudget(userId, 600, dateKey, 25_000);
-    await reconcileSpend(userId, res.reserved, 450, dateKey);
+    const res = await reserveBudget(
+      userId,
+      600,
+      dateKey,
+      25_000,
+      "operator",
+      "coach",
+    );
+    await reconcileSpend(userId, res.reserved, 450, dateKey, 0, {
+      servedBy: "admin-openai",
+      reservedOwner: res.owner,
+    });
 
     const row = await getPrismaClient().coachUsage.findUnique({
       where: { userId_dateKey: { userId, dateKey } },