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| 1 | +# BUILD_PR_LEVEL_16_1_PHASE16_NETWORK_GATE_COMPLETION |
| 2 | + |
| 3 | +## Scope |
| 4 | +Closed only the Section 16 dependency gate item: |
| 5 | +- begin active phase-16 / 3D execution only after the full real-network capability lane is complete |
| 6 | + |
| 7 | +## Execution-backed evidence |
| 8 | + |
| 9 | +### 1) real transport/session layer |
| 10 | +Evidence command: |
| 11 | +- `node --input-type=module` inline run of `tests/final/MultiplayerNetworkingStack.test.mjs` |
| 12 | +Result: |
| 13 | +- PASS `MultiplayerNetworkingStack` |
| 14 | +Coverage in that test: |
| 15 | +- `NetworkingLayer.createLinkedPair(...)` |
| 16 | +- `getTransportContract()` and transport method contract assertions |
| 17 | +- `createSessionLifecycle(...)`, handshake flow, and active/disconnected session transitions |
| 18 | + |
| 19 | +### 2) authoritative live server runtime |
| 20 | +Evidence command: |
| 21 | +- same PASS run of `MultiplayerNetworkingStack` |
| 22 | +Coverage in that test: |
| 23 | +- `new AuthoritativeServerRuntime(...)` |
| 24 | +- `start()` -> running phase |
| 25 | +- deterministic `step(...)` advancement |
| 26 | +- `ingestClientInput(...)` acceptance/rejection paths |
| 27 | +- `stop()` and not-running ingest rejection path |
| 28 | + |
| 29 | +### 3) replication/client application |
| 30 | +Evidence command: |
| 31 | +- same PASS run of `MultiplayerNetworkingStack` |
| 32 | +Coverage in that test: |
| 33 | +- `ReplicationMessageContract` validation and rejection codes |
| 34 | +- `ClientReplicationApplicationLayer` ingest/apply flow |
| 35 | +- stale tick/sequence ignore behavior |
| 36 | +- replicated state snapshot correctness |
| 37 | + |
| 38 | +### 4) playable real multiplayer validation |
| 39 | +Evidence command: |
| 40 | +- same PASS run of `MultiplayerNetworkingStack` |
| 41 | +Coverage in that test: |
| 42 | +- explicit "Level 12.4: one minimal playable multiplayer validation slice" |
| 43 | +- live handshake + authoritative server + replicated client update |
| 44 | +- player movement input accepted and reflected in replicated state |
| 45 | +- clean disconnect/stop lifecycle |
| 46 | + |
| 47 | +### 5) server hosting + Docker containerization |
| 48 | +Evidence command: |
| 49 | +- `node --input-type=module` inline `Phase13NetworkSamplesAndContainerizationAudit` |
| 50 | +Result: |
| 51 | +- PASS `Phase13NetworkSamplesAndContainerizationAudit` |
| 52 | +Audited artifacts: |
| 53 | +- `samples/phase-13/1316/server/Dockerfile` (`FROM node:22-alpine`, `HEALTHCHECK`) |
| 54 | +- `samples/phase-13/1316/server/docker-compose.yml` (service + healthcheck) |
| 55 | +- `samples/phase-13/1319/server/docker-compose.yml` (service + healthcheck) |
| 56 | +- `samples/phase-13/1319/server/realNetworkServer.mjs` (`AuthoritativeServerRuntime`, `WebSocketServer`, input ingestion) |
| 57 | + |
| 58 | +### 6) promotion/readiness gate |
| 59 | +Evidence command: |
| 60 | +- `node --input-type=module` inline run of `tests/final/NetworkDebugAndServerDashboardCloseout.test.mjs` |
| 61 | +- `node --input-type=module` inline run of `tests/final/ReleaseReadinessSystems.test.mjs` |
| 62 | +Results: |
| 63 | +- PASS `NetworkDebugAndServerDashboardCloseout` |
| 64 | +- PASS `ReleaseReadinessSystems` |
| 65 | +Coverage highlights: |
| 66 | +- `createNetworkPromotionRecommendation(...)` => `readyForPromotion === true` |
| 67 | +- server dashboard debug-only gating validation |
| 68 | +- release readiness checklist/reporting surface validation |
| 69 | + |
| 70 | +### 7) phase 13 real-network samples included |
| 71 | +Evidence command: |
| 72 | +- same PASS `Phase13NetworkSamplesAndContainerizationAudit` |
| 73 | +Result details: |
| 74 | +- verified `samples/index.html` includes: |
| 75 | + - `./phase-13/1316/index.html` |
| 76 | + - `./phase-13/1317/index.html` |
| 77 | + - `./phase-13/1318/index.html` |
| 78 | + - `./phase-13/1319/index.html` |
| 79 | + |
| 80 | +## Conclusion |
| 81 | +The full real-network capability lane is complete and execution-backed in the current repo state. |
| 82 | + |
| 83 | +Roadmap update applied in place: |
| 84 | +- `docs/dev/roadmaps/MASTER_ROADMAP_HIGH_LEVEL.md` |
| 85 | +- `- [ ] begin active phase-16 / 3D execution only after the full real-network capability lane is complete` |
| 86 | +- changed to: |
| 87 | +- `- [x] begin active phase-16 / 3D execution only after the full real-network capability lane is complete` |
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