style(13-03): apply Prettier formatting across repo

Mechanical reformat — no logic changes. 398 files changed, 19125
insertions(+), 16457 deletions(-). Prettier 3.8.4 with .prettierrc
(singleQuote:true, semi:true, tabWidth:2, trailingComma:all,
printWidth:100). Isolated per D-13-08 for reviewability.

apps/api/tests/health.test.ts

@@ -6,7 +6,7 @@
  *   - GET /health returns 503 if the DB round-trip throws
  */
 
-import { describe, it, expect, vi } from 'vitest'
+import { describe, it, expect, vi } from 'vitest';
 
 // vi.mock is hoisted to the top of the module by Vitest — defining it here is correct.
 // The factory is called before any test runs.
@@ -14,25 +14,25 @@ vi.mock('../src/db/client.js', () => ({
   db: {
     execute: vi.fn().mockResolvedValue([[{ '1': 1 }]]),
   },
-}))
+}));
 
 describe('GET /health', () => {
   it('returns 200 with { ok: true, db: "up" } when DB round-trip succeeds', async () => {
-    const { app } = await import('../src/index.js')
-    const res = await app.request('/health')
-    expect(res.status).toBe(200)
-    const body = await res.json() as { ok: boolean; db: string }
-    expect(body.ok).toBe(true)
-    expect(body.db).toBe('up')
-  })
+    const { app } = await import('../src/index.js');
+    const res = await app.request('/health');
+    expect(res.status).toBe(200);
+    const body = (await res.json()) as { ok: boolean; db: string };
+    expect(body.ok).toBe(true);
+    expect(body.db).toBe('up');
+  });
 
   it('returns 503 when DB round-trip throws', async () => {
-    const { db } = await import('../src/db/client.js')
+    const { db } = await import('../src/db/client.js');
     // Temporarily override execute to throw
-    vi.mocked(db.execute).mockRejectedValueOnce(new Error('DB connection failed'))
+    vi.mocked(db.execute).mockRejectedValueOnce(new Error('DB connection failed'));
 
-    const { app } = await import('../src/index.js')
-    const res = await app.request('/health')
-    expect(res.status).toBe(503)
-  })
-})
+    const { app } = await import('../src/index.js');
+    const res = await app.request('/health');
+    expect(res.status).toBe(503);
+  });
+});