fix(workouts): report manual saves through the outcome module and register the delete

A repeated submit that wrote nothing reads as a neutral notice rather
than a success. The delete control is entered in the destructive-control
registry, and its 409 code in the published error catalogue.

Refs #1085

src/__tests__/destructive-control-guard.test.ts

@@ -380,6 +380,13 @@ const REGISTRY: DestructiveEntry[] = [
     recovery: "tombstoned-no-restore",
     confirm: ["AlertDialog"],
   },
+  {
+    file: "components/workouts/delete-workout-button.tsx",
+    destroys:
+      "one workout entered by hand, with the personal records it set; synced workouts are refused by the route",
+    recovery: "permanent",
+    confirm: ["AlertDialog"],
+  },
 
   // ── Visits and the address book ─────────────────────────────────────────
   {

src/components/workouts/delete-workout-button.tsx

@@ -4,7 +4,6 @@ import { useState } from "react";
 import { useRouter } from "next/navigation";
 import { useQueryClient, type QueryClient } from "@tanstack/react-query";
 import { Loader2, Trash2 } from "lucide-react";
-import { toast } from "sonner";
 
 import {
   AlertDialog,
@@ -17,6 +16,7 @@ import {
   AlertDialogTitle,
 } from "@/components/ui/alert-dialog";
 import { Button } from "@/components/ui/button";
+import { toastWrittenOutcome } from "@/components/outcome/outcome-toast";
 import { useRecordCapabilities } from "@/hooks/use-record-capabilities";
 import { apiDelete } from "@/lib/api/api-fetch";
 import { useTranslations } from "@/lib/i18n/context";
@@ -78,11 +78,11 @@ export function DeleteWorkoutButton({
     setDeleting(true);
     try {
       await deleteManualWorkout(workout.id, queryClient);
-      toast.success(t("insights.workouts.manual.deleted"));
+      toastWrittenOutcome("success", t("insights.workouts.manual.deleted"));
       setOpen(false);
       router.replace("/insights/workouts");
     } catch {
-      toast.error(t("insights.workouts.manual.deleteError"));
+      toastWrittenOutcome("failed", t("insights.workouts.manual.deleteError"));
     } finally {
       setDeleting(false);
     }

src/components/workouts/manual-workout-form.tsx

@@ -4,9 +4,9 @@ import { useId, useMemo, useState } from "react";
 import { createPortal } from "react-dom";
 import { useQueryClient, type QueryClient } from "@tanstack/react-query";
 import { Loader2, Plus } from "lucide-react";
-import { toast } from "sonner";
 
 import { Button } from "@/components/ui/button";
+import { toastWrittenOutcome } from "@/components/outcome/outcome-toast";
 import { DateTimeField } from "@/components/ui/date-time-field";
 import { FieldError } from "@/components/forms/field-error";
 import { Input } from "@/components/ui/input";
@@ -166,11 +166,16 @@ export function ManualWorkoutForm({
     setSaving(true);
     try {
       const outcome = await saveManualWorkout(built.entry, queryClient);
-      toast.success(
-        outcome === "duplicate"
-          ? t("insights.workouts.manual.alreadySaved")
-          : t("common.saved"),
-      );
+      // A duplicate wrote nothing new: the same form already landed this
+      // session. That is reported as such, not as a fresh save.
+      if (outcome === "duplicate") {
+        toastWrittenOutcome(
+          "empty",
+          t("insights.workouts.manual.alreadySaved"),
+        );
+      } else {
+        toastWrittenOutcome("success", t("common.saved"));
+      }
       onSuccess?.();
     } catch (err) {
       setSaveError(

src/lib/openapi/error-codes.ts

@@ -357,6 +357,7 @@ export const ERROR_CODE_CATALOGUE: Readonly<Record<string, readonly string[]>> =
       "workout.batch.payload_too_large",
       "workout.batch.source_not_permitted",
       "workout.batch.too_large",
+      "workout.delete.synced_source",
     ],
     "(unprefixed)": [
       "about_me_conflict",