chore(documents): format index modules and drop unused helper

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

@@ -46,7 +46,10 @@ vi.mock("@/lib/ai/ai-budgets", () => ({
 }));
 
 import { indexDocumentContent } from "../index-document";
-import { loadOwnedDocument, prepareVisionInput } from "@/lib/documents/ai-route-support";
+import {
+  loadOwnedDocument,
+  prepareVisionInput,
+} from "@/lib/documents/ai-route-support";
 import { upsertContentIndex } from "@/lib/documents/content-index";
 import { transcribeDocument } from "@/lib/documents/describe";
 import { localExtractText } from "@/lib/documents/local-extract";

src/lib/documents/__tests__/local-extract.test.ts

@@ -68,7 +68,10 @@ describe("localExtractText", () => {
   });
 
   it("returns unsupported for images (deferred server-OCR seam)", async () => {
-    const result = await localExtractText(Buffer.from([0xff, 0xd8]), "image/jpeg");
+    const result = await localExtractText(
+      Buffer.from([0xff, 0xd8]),
+      "image/jpeg",
+    );
     expect(result).toEqual({ ok: false, reason: "unsupported" });
   });
 

src/lib/documents/content-index.ts

@@ -249,7 +249,8 @@ export function decryptIndexText(buf: Uint8Array): string {
  *                   provider, no egress — the fallback when no provider is usable.
  *   - `local-ocr` → server-side OCR of a scanned image/PDF (deferred follow-up).
  */
-export type ContentIndexSource = "vision" | "text-ocr" | "local-pdf" | "local-ocr";
+export type ContentIndexSource =
+  "vision" | "text-ocr" | "local-pdf" | "local-ocr";
 
 export interface UpsertContentIndexArgs {
   userId: string;

src/lib/documents/index-document.ts

@@ -61,10 +61,7 @@ export type IndexOutcome =
   | {
       indexed: false;
       reason:
-        | "not-found"
-        | "local-empty"
-        | "local-unsupported"
-        | "decrypt-error";
+        "not-found" | "local-empty" | "local-unsupported" | "decrypt-error";
     };
 
 /**
@@ -103,11 +100,6 @@ export async function resolveIndexProvider(
   return { chain, pick, consentOk, dailyCap };
 }
 
-/** True when the provider path can be attempted for this user. */
-export function providerUsable(provider: ResolvedIndexProvider): boolean {
-  return Boolean(provider.pick) && provider.consentOk;
-}
-
 /**
  * Try the PROVIDER (vision) path for one already-loaded document. Returns a
  * terminal outcome on success/budget/provider-error, or `null` to signal