test(03-01): add failing tests for setup backend

- Add setups and setupItems tables to DB schema
- Add Zod schemas for setup create/update/sync
- Add Setup/SetupItem types to shared types
- Add setup tables to test helper
- Write service and route tests (RED - no implementation yet)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/shared/types.ts

@@ -9,8 +9,11 @@ import type {
   createCandidateSchema,
   updateCandidateSchema,
   resolveThreadSchema,
+  createSetupSchema,
+  updateSetupSchema,
+  syncSetupItemsSchema,
 } from "./schemas.ts";
-import type { items, categories, threads, threadCandidates } from "../db/schema.ts";
+import type { items, categories, threads, threadCandidates, setups, setupItems } from "../db/schema.ts";
 
 // Types inferred from Zod schemas
 export type CreateItem = z.infer<typeof createItemSchema>;
@@ -23,8 +26,15 @@ export type CreateCandidate = z.infer<typeof createCandidateSchema>;
 export type UpdateCandidate = z.infer<typeof updateCandidateSchema>;
 export type ResolveThread = z.infer<typeof resolveThreadSchema>;
 
+// Setup types
+export type CreateSetup = z.infer<typeof createSetupSchema>;
+export type UpdateSetup = z.infer<typeof updateSetupSchema>;
+export type SyncSetupItems = z.infer<typeof syncSetupItemsSchema>;
+
 // Types inferred from Drizzle schema
 export type Item = typeof items.$inferSelect;
 export type Category = typeof categories.$inferSelect;
 export type Thread = typeof threads.$inferSelect;
 export type ThreadCandidate = typeof threadCandidates.$inferSelect;
+export type Setup = typeof setups.$inferSelect;
+export type SetupItem = typeof setupItems.$inferSelect;