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/pnpm-workspace.yaml

@@ -3,5 +3,6 @@ packages:
   - packages/*
 allowBuilds:
   esbuild: true
+  msgpackr-extract: set this to true or false
 minimumReleaseAgeExclude:
   - '@types/[email protected]'