feat: expose workflow console api and RPC service with @effect/rpc

- Replace manual JSON-RPC protocol handling with @effect/rpc typed RPCs
- Add evidence capture layer (per-call Ref, response body buffering/reconstruction)
- Add service module with typed dispatch and layer composition via Layer.mergeAll
- Add Hono API with /api/health, /api/connect, /api/rpc routes
- Add browser DTO contracts, error mapping, body size limits
- Add 13 Hono route tests and 12 target-policy tests passing
- Delete old protocol.ts and protocol.test.ts (replaced by rpcs.ts/service.ts)

web/apps/server/tsconfig.json

@@ -6,7 +6,8 @@
     "composite": true,
     "declaration": true,
     "rootDir": "src",
-    "outDir": "dist"
+    "outDir": "dist",
+    "types": ["node"]
   },
   "include": ["src"],
   "references": [{ "path": "../../packages/rpc" }]