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| 1 | +# PR_26175_DELTA_006-page-service-test-lanes |
| 2 | + |
| 3 | +## Summary |
| 4 | + |
| 5 | +Team Delta replaced the team-specific validation harness approach with a project testing direction based on page/service-level commands. |
| 6 | + |
| 7 | +This PR adds `npm run test:service:runtime` as the focused runtime service test command. It uses the existing `scripts/run-node-test-files.mjs` runner and does not add a Team Delta-specific script, package command, or test orchestration layer. |
| 8 | + |
| 9 | +The service command exposed a replay service testability gap: `ReplayTimeline` still depended directly on native `structuredClone`, so the replay fallback behavior from prior runtime clone work could not be validated through the service-level lane. `ReplayTimeline` now uses the existing shared `cloneRuntimeValue(...)` helper. |
| 10 | + |
| 11 | +## Command Model |
| 12 | + |
| 13 | +| Need | Command | Status | |
| 14 | +| --- | --- | --- | |
| 15 | +| Focused runtime service validation | `npm run test:service:runtime` | PASS | |
| 16 | +| Site-wide/all-tests command path | `npm test` | PRESENT | |
| 17 | + |
| 18 | +## DELTA_001 Through DELTA_005 Coverage |
| 19 | + |
| 20 | +| Prior runtime behavior | Service-level coverage | |
| 21 | +| --- | --- | |
| 22 | +| DELTA_001 runtime tick optimization | `tests/engine/RuntimeTickLoop.test.mjs` | |
| 23 | +| DELTA_002 replay clone consolidation | `tests/replay/ReplaySystem.test.mjs` | |
| 24 | +| DELTA_003 API client standardization | `tests/dev-runtime/ServerApiClientStandardization.test.mjs` | |
| 25 | +| DELTA_004 runtime event test coverage | `tests/engine/RuntimeEventSystem.test.mjs` | |
| 26 | +| DELTA_005 runtime event clone cleanup | `tests/engine/RuntimeTriggerProcessing.test.mjs`, `tests/engine/RuntimeActionSystem.test.mjs`, `tests/final/FinalSystems.test.mjs` | |
| 27 | + |
| 28 | +## Scope |
| 29 | + |
| 30 | +- Team: Delta |
| 31 | +- Runtime service command changed: `package.json` |
| 32 | +- Runtime service implementation changed: `src/engine/replay/ReplayTimeline.js` |
| 33 | +- Runtime code ownership: Replay/runtime clone behavior is Team Delta-owned. |
| 34 | +- UI changed: none |
| 35 | +- Browser-owned product data changed: none |
| 36 | +- Team-specific test command added: no |
| 37 | + |
| 38 | +## Replacement Notes |
| 39 | + |
| 40 | +PASS - This replacement PR does not keep or create: |
| 41 | + |
| 42 | +- `scripts/run-delta-runtime-validation.mjs` |
| 43 | +- `npm run test:delta-runtime` |
| 44 | +- Team Delta-specific test commands |
| 45 | + |
| 46 | +## Backlog Update |
| 47 | + |
| 48 | +SKIP - This is an OWNER-directed replacement for the draft harness approach and does not change backlog source-of-truth status. |
| 49 | + |
| 50 | +## Tool State Update |
| 51 | + |
| 52 | +SKIP - No Build Path tool status or tool tile state changed. |
| 53 | + |
| 54 | +## Validation Summary |
| 55 | + |
| 56 | +PASS - Runtime service validation passed through `npm run test:service:runtime`. |
| 57 | + |
| 58 | +See `PR_26175_DELTA_006-page-service-test-lanes-validation.md` for command details. |
| 59 | + |
| 60 | +## Branch Disposition |
| 61 | + |
| 62 | +Source branch should be retained after merge unless OWNER later approves branch deletion. |
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