# Progress — worker_remediation_server_and_tests

Last visited: 2026-10-03T08:59:00Z

## Status: Completed
- [x] Received dispatch instructions and reviewed `reviewer_proto_qa` handoff report
- [x] Created BRIEFING.md and initialized progress tracking
- [x] Investigated `server/gateway/ws_gateway_bridge.py`, `client/cocos/assets/scripts/network/OpcodeRegistry.ts`, `tests/unit/test_ws_protobuf_gateway.py`, `tests/e2e_cocos/test_tier4_human_player_journey.py`, and `client/cocos/assets/scripts/core/KinematicsEngine.ts`
- [x] Executed Blast Radius `--ack` check for target files
- [x] Implemented opcode harmonization, deadzone fix (`math.hypot(input_x, input_y) <= 0.05`), and deterministic routing in `ws_gateway_bridge.py`
- [x] Fixed displacement calculation order bug in `KinematicsEngine.ts`
- [x] Updated unit tests in `test_ws_protobuf_gateway.py` with 0x0010 framing and deadzone checks
- [x] Grounded all 18 assertions in `test_tier4_human_player_journey.py` against authentic domain components (AccountRepository, CharacterService, ZoneEngine, MovementAuthorityEngine, WsGatewayBridge, NpcEngine, ProceduralMapEngine, MonsterScalingEngine)
- [x] Verified full test suite via pytest (`test_ws_protobuf_gateway.py`: 8/8 passed, `tests/e2e_cocos/`: 178/178 passed)
- [x] Verified TypeScript compilation via `npx tsc --noEmit` (0 errors)
- [x] Verified code hygiene via `tools/lint/check_code_and_doc_hygiene.py` (all touched files strictly <= 350 lines)
- [x] Wrote `handoff.md` and notified parent agent