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# Implementation Summary

**Session ID**: `phase34-session03-simulation-correctness-and-scenario-gate` **Completed**: 2026-06-26 **Duration**: 1 hour

***

## Overview

Completed Phase 34 Session 03 by fixing the AI Rogue simulation correctness and scenario exposure blockers. Lethal turn-start status now stops Movement, Strike, Surge, and Protocol before any action-specific mutation, and the Play route no longer accepts product-facing combat fixture query selection. Deterministic combat browser coverage remains available through a local/test-only hook.

***

## Deliverables

### Files Created

| File                                                                                                      | Purpose                               | Lines |
| --------------------------------------------------------------------------------------------------------- | ------------------------------------- | ----- |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/spec.md`                   | Session scope and acceptance contract | 360   |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/tasks.md`                  | Completed 20-task checklist           | 76    |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/implementation-notes.md`   | Task-by-task implementation evidence  | 718   |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/code-review.md`            | Review gate report                    | 108   |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/security-compliance.md`    | Security and GDPR assessment          | 84    |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/validation.md`             | Validation report                     | 308   |
| `.spec_system/specs/phase34-session03-simulation-correctness-and-scenario-gate/IMPLEMENTATION_SUMMARY.md` | Update PRD closeout summary           | \~90  |

### Files Modified

| File                                                                | Changes                                                                                 |
| ------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| `.spec_system/state.json`                                           | Marked Session 03 complete, cleared current session, and appended history.              |
| `.spec_system/PRD/phase_34/PRD_phase_34.md`                         | Updated progress to 3/8, marked Session 03 complete, and added notes.                   |
| `package.json`                                                      | Incremented patch version from 0.5.34 to 0.5.35.                                        |
| `README.md`                                                         | Synced visible version to 0.5.35.                                                       |
| `docs/CHANGELOG.md`                                                 | Added Phase 34 Session 02 and Session 03 closeout notes.                                |
| `src/extensions/ai-rogue/runtime/simulation.ts`                     | Centralized lethal turn-start handling across command families.                         |
| `src/extensions/ai-rogue/runtime/types.ts`                          | Documented runtime scenario selection as generated by default and test-only for combat. |
| `src/extensions/ai-rogue/runtime/renderer.ts`                       | Preserved generated default and explicit internal scenario normalization.               |
| `src/extensions/ai-rogue/runtime/index.ts`                          | Exported the runtime scenario type for route/test use.                                  |
| `src/extensions/ai-rogue/views/play-view.tsx`                       | Removed browser query scenario selection and kept product-facing copy.                  |
| `src/extensions/ai-rogue/views/runtime-canvas.tsx`                  | Added local/test scenario resolution with generated fallback.                           |
| `src/extensions/ai-rogue/runtime/__tests__/status-expanded.test.ts` | Covered lethal no-action behavior across Movement, Strike, Surge, and Protocol.         |
| `src/extensions/ai-rogue/runtime/__tests__/simulation.test.ts`      | Added deterministic generated-run regression coverage.                                  |
| `src/extensions/ai-rogue/__tests__/runtime-canvas.test.tsx`         | Covered generated default, invalid fallback, and local/test combat hook.                |
| `src/extensions/ai-rogue/__tests__/client.test.tsx`                 | Updated route copy expectations after validation copy repair.                           |
| `src/routes/__tests__/extensions-routes.test.tsx`                   | Updated route shell copy expectations after validation copy repair.                     |
| `tests/e2e/ai-rogue-runtime.spec.ts`                                | Replaced combat query setup with the local/test hook and added query-ignore proof.      |
| `docs/extensions/ai-rogue/playtest-notes.md`                        | Replaced combat query docs with test-only fixture language.                             |
| `docs/extensions/ai-rogue/run-loop-rebuild-notes.md`                | Updated run-loop browser coverage notes for the gated fixture path.                     |

***

## Technical Decisions

1. **Shared lethal turn-start helper**: Centralized status-tick finalization so command families cannot drift on terminal no-action behavior.
2. **Product-route scenario hardening**: Kept seed replay as route behavior but moved combat fixture selection behind a local/test-only hook.
3. **Generated scenario default**: Preserved generated runs as the runtime default and normalized invalid scenario input back to generated.

***

## Test Results

| Metric                       | Value         |
| ---------------------------- | ------------- |
| Focused unit and route tests | 297 passed    |
| AI Rogue runtime Playwright  | 9 passed      |
| Validation repair tests      | 45 passed     |
| Typecheck                    | PASS          |
| Lint                         | PASS          |
| Format check                 | PASS          |
| Coverage                     | Not collected |

***

## Lessons Learned

1. Lethal status handling should be finalized before command-specific mutation for every player command family.
2. Deterministic fixtures are still useful, but product routes should not expose them as user-controllable query behavior.

***

## Future Considerations

Items for future sessions:

1. Session 04 should preserve the new generated default and local/test fixture contract while hardening renderer lifecycle behavior.
2. Session 05 should preserve simulation-owned lethal finalization while narrowing runtime API ownership.

***

## Session Statistics

* **Tasks**: 20 completed
* **Files Created**: 7
* **Files Modified**: 19
* **Tests Added**: Focused unit, route, and browser coverage
* **Blockers**: 2 resolved


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