> For the complete documentation index, see [llms.txt](https://ai-os-and-trend-finder.gitbook.io/ai-os-and-trend-finder-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ai-os-and-trend-finder.gitbook.io/ai-os-and-trend-finder-docs/.spec_system/archive/sessions/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md).

# Implementation Notes

**Session ID**: `phase39-session01-baseline-and-registry-skeleton` **Started**: 2026-06-30 18:11 **Last Updated**: 2026-06-30 18:38

***

## Session Progress

| Metric              | Value     |
| ------------------- | --------- |
| Tasks Completed     | 16 / 16   |
| Estimated Remaining | 3-4 hours |
| Blockers            | 0         |

***

## Task Log

### 2026-06-30 - Session Start

**Environment verified**:

* [x] Prerequisites confirmed
* [x] Tools available
* [x] Directory structure ready

***

### Task T001 - Verify Phase 39 Session 01 prerequisites, current AI Rogue test files, and validation commands

**Started**: 2026-06-30 18:11 **Completed**: 2026-06-30 18:11 **Duration**: 1 minute

**Notes**:

* Confirmed active session `phase39-session01-baseline-and-registry-skeleton` from the local spec analyzer.
* Confirmed Phase 39 Session 01 stub exists and requires baseline tests, golden determinism coverage, Kernel Sentinel coverage, and a dead-but-tested content registry.
* Confirmed existing AI Rogue runtime tests live under `src/extensions/ai-rogue/runtime/__tests__/`.
* Confirmed validation commands are available through `bunx vitest run` and `bun run typecheck`.

**Files Changed**:

* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - initialized the implementation log and recorded setup evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T001 complete after evidence was recorded.

**Verification**:

* Command/check: `if [ -d .spec_system/scripts ]; then bash .spec_system/scripts/analyze-project.sh --json; else bash /home/aiwithapex/.codex/plugins/cache/apex-spec-system/apex-spec/2.1.3-codex/scripts/analyze-project.sh --json; fi`
  * Result: PASS - analyzer resolved the active session.
  * Evidence: `current_session` was `phase39-session01-baseline-and-registry-skeleton`; `current_session_dir_exists` was `true`.
* Command/check: `if [ -d .spec_system/scripts ]; then bash .spec_system/scripts/check-prereqs.sh --json --env; else bash /home/aiwithapex/.codex/plugins/cache/apex-spec-system/apex-spec/2.1.3-codex/scripts/check-prereqs.sh --json --env; fi`
  * Result: PASS - environment prerequisites passed.
  * Evidence: overall status was `pass`; `.spec_system`, `jq`, and `git` checks passed.
* Command/check: `if [ -d .spec_system/scripts ]; then bash .spec_system/scripts/check-prereqs.sh --json --tools bun,bunx; else bash /home/aiwithapex/.codex/plugins/cache/apex-spec-system/apex-spec/2.1.3-codex/scripts/check-prereqs.sh --json --tools bun,bunx; fi`
  * Result: PASS - required tools are available.
  * Evidence: `bun` and `bunx` both reported version `1.3.14`.
* Command/check: `find src/extensions/ai-rogue/runtime/__tests__ -maxdepth 1 -type f | sort | sed -n '1,200p'`
  * Result: PASS - existing runtime test files were enumerated.
  * Evidence: output included `boss-presentation.test.ts`, `world.test.ts`, `themes.test.ts`, `protocols.test.ts`, `prefabs.test.ts`, `terminals.test.ts`, and `audio.test.ts`.
* UI product-surface check: N/A - setup verification touched no user-facing surface.
* UI craft check: N/A - setup verification touched no user-facing surface.

***

### Task T002 - Confirm current depth-helper values and max-depth behavior before adding registry code

**Started**: 2026-06-30 18:11 **Completed**: 2026-06-30 18:14 **Duration**: 3 minutes

**Notes**:

* Confirmed `AI_ROGUE_MAX_DEPTH` is `3`.
* Confirmed depth 1 shipped values: `cold-cache`, `Boot Sector`, exit guard `errant-process`, baseline protocol `patch-kit`, guaranteed pickup `context-cache`, no terminal, no prefab, music `sector_1`, ambience `theme_cold_cache_ambience`, and no floor objective.
* Confirmed depth 2 shipped values: `corrupted-index`, `Index Maze`, exit guard `cache-wraith`, baseline protocol `trace-map`, guaranteed protocol `trace-lance`, guaranteed pickup `key-fragment`, terminal `patch-mirror`, prefab `crossfire-sentries`, music `sector_2`, ambience `theme_corrupted_index_ambience`, and no floor objective.
* Confirmed depth 3 shipped values: `kernel-core`, `Kernel Arena`, exit guard `kernel-sentinel`, baseline protocol `signal-jammer`, guaranteed protocol `phase-step`, terminal `quarantine-terminal`, prefab `thief-stash`, music `sector_3`, ambience `theme_kernel_core_ambience`, and `purge-dumps` floor objective.
* Confirmed current out-of-range contrast: existing helpers clamp or rotate differently, while this session's registry will reject authored-main-run depths outside 1-3 without changing callers.

**Files Changed**:

* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded helper value evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T002 complete after evidence was recorded.

**Verification**:

* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/run-factory.ts`
  * Result: PASS - max-depth and run creation behavior inspected.
  * Evidence: `AI_ROGUE_MAX_DEPTH = 3`; `createAiRogueRun()` floors depth at 1 and defaults `maxDepth` to 1 unless callers pass the full playable depth.
* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/themes.ts`
  * Result: PASS - theme depth mapping inspected.
  * Evidence: depth 1-3 resolve to `cold-cache`, `corrupted-index`, and `kernel-core`; deeper themes continue through the theme order.
* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/floor-arc.ts`
  * Result: PASS - floor arc mapping inspected.
  * Evidence: depth 1-3 map to `Boot Sector`, `Index Maze`, and `Kernel Arena`; deeper arcs reuse the last entry.
* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/protocols.ts`
  * Result: PASS - baseline protocol mapping inspected.
  * Evidence: protocol order starts `patch-kit`, `trace-map`, `signal-jammer`, `trace-lance`, `phase-step` and rotates by depth.
* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/prefabs.ts`
  * Result: PASS - prefab mapping inspected.
  * Evidence: depth 1 has no prefab; depth 2 starts `crossfire-sentries`; depth 3 uses `thief-stash`.
* Command/check: `sed -n '1,260p' src/extensions/ai-rogue/runtime/terminals.ts`
  * Result: PASS - terminal mapping inspected.
  * Evidence: depth 1 has no terminal; depth 2 starts `patch-mirror`; depth 3 uses `quarantine-terminal`.
* Command/check: `sed -n '1030,1065p' src/extensions/ai-rogue/runtime/audio.ts`
  * Result: PASS - music and ambience mapping inspected from source.
  * Evidence: `musicTrackForDepth()` maps depth 1 to `sector_1`, depth 2 to `sector_2`, and depth 3+ to `sector_3`; `themeAmbienceForTheme()` maps each theme to its stable ambience route.
* Command/check: `bun --eval 'import { AI_ROGUE_MAX_DEPTH, createAiRogueRun } from "./src/extensions/ai-rogue/runtime/run-factory.ts"; import { themeForDepth, sectorThemeForDepth } from "./src/extensions/ai-rogue/runtime/themes.ts"; import { floorArcForDepth, floorObjectiveForDepth } from "./src/extensions/ai-rogue/runtime/floor-arc.ts"; import { protocolForDepth } from "./src/extensions/ai-rogue/runtime/protocols.ts"; import { prefabForDepth } from "./src/extensions/ai-rogue/runtime/prefabs.ts"; import { terminalForDepth } from "./src/extensions/ai-rogue/runtime/terminals.ts"; import { createAiRogueWorld } from "./src/extensions/ai-rogue/runtime/world-generator.ts"; const depths=[1,2,3,4]; const rows=depths.map((depth)=>{ const theme=sectorThemeForDepth(depth); const arc=floorArcForDepth(depth); const world=createAiRogueWorld({ seed:` phase39-baseline-${depth}`, depth }); const run=createAiRogueRun({ seed:` phase39-baseline-${depth}`, depth, maxDepth: AI_ROGUE_MAX_DEPTH }); const exitGuard=world.enemySpawns.find((spawn)=>Math.abs(spawn.position.x-world.exit.x)+Math.abs(spawn.position.y-world.exit.y)===1); return { depth, maxDepth: AI_ROGUE_MAX_DEPTH, theme: themeForDepth(depth), themeLabel: theme.label, arcLabel: arc.label, introduceEnemies: arc.introduceEnemies, guaranteedPickup: arc.guaranteedPickup, guaranteedProtocol: arc.guaranteedProtocol, floorObjective: floorObjectiveForDepth(depth), baselineProtocol: protocolForDepth(depth), terminal: terminalForDepth(depth), prefab: prefabForDepth(depth)?.id ?? null, ambienceHint: theme.audioHint, exitGuard: exitGuard?.kind ?? null, runFloorObjective: run.state.floorObjective, runEvents: run.events.map((event)=>event.message) }; }); console.log(JSON.stringify(rows, null, 2));'`
  * Result: PASS - helper values produced for depths 1-4 without importing the Vite-only audio module.
  * Evidence: output matched the shipped values recorded in the notes above and confirmed the current depth-4 contrast behavior.
* UI product-surface check: N/A - helper inspection touched no user-facing surface.
* UI craft check: N/A - helper inspection touched no user-facing surface.

***

### Task T003 - Add current three-depth content baseline tests

**Started**: 2026-06-30 18:14 **Completed**: 2026-06-30 18:15 **Duration**: 1 minute

**Notes**:

* Added focused baseline coverage for depth 1-3 helper routing values.
* Added generated-world and generated-run checks for exit guards, baseline protocols, terminals, floor objectives, lessons, guaranteed pickups, guaranteed protocols, and introduced enemies.
* Kept the test loading-free by importing only runtime helper modules and avoiding renderer, route, bridge, generated-data, and PixiJS boundaries.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts` - added current shipped three-depth content baseline coverage.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T003 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts`
  * Result: PASS - focused content baseline suite passed.
  * Evidence: 1 test file passed; 2 tests passed.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts`
  * Result: PASS - test captures bounded product/runtime facts only.
  * Evidence: assertions cover safe labels, IDs, helper values, event messages, and public world/run fields; no private paths, prompts, transcripts, tokens, or local operator data are captured.
* UI product-surface check: N/A - runtime test coverage touched no user-facing surface.
* UI craft check: N/A - runtime test coverage touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: matched the baseline assertions to exported runtime helper contracts and public world/run fields (`src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts`).

***

### Task T004 - Add golden determinism helpers for safe public world and first-turn run summaries

**Started**: 2026-06-30 18:15 **Completed**: 2026-06-30 18:19 **Duration**: 4 minutes

**Notes**:

* Added deterministic depth 1-3 golden summaries for fixed seeds.
* Captured bounded world shape facts: dimensions, theme, start/exit, tile kind counts, tile frame counts, enemy spawn summaries, and pickup spawn summaries.
* Captured bounded first-turn run facts: run identity, counters, player baseline, objectives, event messages, enemy summaries, and pickup summaries.
* Avoided whole-object snapshots and private/generated local data.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts` - added safe deterministic world and first-turn run golden coverage.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T004 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts`
  * Result: PASS - focused golden determinism suite passed.
  * Evidence: 1 test file passed; 2 tests passed.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts`
  * Result: PASS - golden helpers use deterministic ordering and safe public summaries.
  * Evidence: summaries are derived from fixed seeds, sorted counts, public positions, IDs, labels, frame names, counters, and event messages only.
* UI product-surface check: N/A - runtime test coverage touched no user-facing surface.
* UI craft check: N/A - runtime test coverage touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: summary helpers assert stable exported runtime shapes without reaching into route, renderer, bridge, generated-data, or PixiJS modules (`src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts`).

***

### Task T005 - Create level registry type contracts

**Started**: 2026-06-30 18:19 **Completed**: 2026-06-30 18:21 **Duration**: 2 minutes

**Notes**:

* Added pure type contracts for authored level specs, generation routing, placements, guarantees, objectives, finale metadata, and validation results.
* Used type-only imports from existing runtime catalogs so the registry type module does not create route, renderer, bridge, generated-data, or PixiJS dependencies.
* Included explicit validation issue codes for structural, local-reference, safe-text, and finale-placement failures.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/types.ts` - added content registry type contracts.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T005 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted the new registry contracts.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/content/types.ts`
  * Result: PASS - imports remain pure type-only runtime catalog imports.
  * Evidence: no React, route, renderer, bridge, generated-data, or PixiJS imports are present.
* UI product-surface check: N/A - pure runtime type module touched no user-facing surface.
* UI craft check: N/A - pure runtime type module touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: level registry types reference existing runtime unions for themes, enemies, pickups, protocols, prefabs, terminals, music, ambience, and objectives (`src/extensions/ai-rogue/runtime/content/types.ts`).

***

### Task T006 - Create the content registry barrel for future migration imports

**Started**: 2026-06-30 18:21 **Completed**: 2026-06-30 18:22 **Duration**: 1 minute

**Notes**:

* Added the initial `content/index.ts` barrel.
* Exposed registry type contracts now; later tasks in this same session will extend the barrel once `levels.ts` and `validate.ts` exist.
* Kept the barrel free of route, renderer, bridge, generated-data, and PixiJS imports.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/index.ts` - added the initial content registry barrel.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T006 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted the new barrel.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/content/index.ts`
  * Result: PASS - barrel currently contains only `export type * from "./types";`.
  * Evidence: no runtime imports or non-content dependencies are present.
* UI product-surface check: N/A - pure runtime barrel touched no user-facing surface.
* UI craft check: N/A - pure runtime barrel touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: the initial barrel exposes only existing registry contracts until implementation modules exist (`src/extensions/ai-rogue/runtime/content/index.ts`).

***

### Task T007 - Extend Kernel Sentinel boss presentation baseline tests

**Started**: 2026-06-30 18:22 **Completed**: 2026-06-30 18:23 **Duration**: 1 minute

**Notes**:

* Extended the existing boss presentation suite with generated Kernel Sentinel scale expectations.
* Added boss telegraph and attack audio metadata assertions using current runtime combat helpers.
* Preserved current frame-selection behavior and made no production implementation changes.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts` - added Kernel Sentinel scale and audio metadata baseline coverage.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T007 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts`
  * Result: PASS - touched boss presentation suite passed.
  * Evidence: 1 test file passed; 6 tests passed.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts`
  * Result: PASS - assertions cover generated Sentinel `spriteScale: 2`, idle frame selection, telegraph metadata, and attack cue metadata without production changes.
  * Evidence: new test imports only runtime helpers and no route, renderer, bridge, generated-data, or PixiJS modules.
* UI product-surface check: N/A - runtime test coverage touched no user-facing surface.
* UI craft check: N/A - runtime test coverage touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: boss presentation coverage now aligns generated enemy scale with combat audio metadata expectations (`src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts`).

***

### Task T008 - Author the initial three AiRogueLevelSpec rows

**Started**: 2026-06-30 18:23 **Completed**: 2026-06-30 18:24 **Duration**: 1 minute

**Notes**:

* Added static authored source data for the current three playable floors: Boot Sector, Index Maze, and Kernel Arena.
* Captured current theme, room modifier, protocol, music, ambience, exit guard, terminal, prefab, enemy table, guarantees, floor objective, lesson, and finale metadata values.
* Kept depth 4 out of scope and did not route any existing runtime callers through the registry.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/levels.ts` - added the initial three authored level specs.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T008 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted the static level specs.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/content/levels.ts`
  * Result: PASS - registry data is static and pure.
  * Evidence: file imports only `AiRogueLevelSpec` as a type and contains no route, renderer, bridge, generated-data, PixiJS, or runtime caller migration imports.
* UI product-surface check: N/A - pure runtime source data touched no user-facing surface.
* UI craft check: N/A - pure runtime source data touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: authored rows use the new `AiRogueLevelSpec` contract and current depth 1-3 helper values captured in T002 (`src/extensions/ai-rogue/runtime/content/levels.ts`).

***

### Task T009 - Implement levelSpecForDepth(depth) and authored-main-run rejection

**Started**: 2026-06-30 18:24 **Completed**: 2026-06-30 18:26 **Duration**: 2 minutes

**Notes**:

* Added `levelSpecForDepth(depth)` for authored depths 1-3.
* Added `AiRogueLevelSpecLookupError` with explicit `authored-main-run` policy metadata for invalid or out-of-range depths.
* Updated the content barrel to export the authored specs, policy, depth list, error class, and lookup API.
* Did not route existing runtime callers through the registry.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/levels.ts` - added authored-main-run lookup API and rejection error.
* `src/extensions/ai-rogue/runtime/content/index.ts` - exported level registry APIs.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T009 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted the lookup API and barrel exports.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: `bun --eval 'import { AI_ROGUE_AUTHORED_RUN_POLICY, levelSpecForDepth } from "./src/extensions/ai-rogue/runtime/content/levels.ts"; const values = [levelSpecForDepth(1).id, levelSpecForDepth(2).id, levelSpecForDepth(3).id]; let rejection = "none"; try { levelSpecForDepth(4); } catch (error) { rejection =` ${error.name}:${error.policy}:${error.depth}`; } console.log(JSON.stringify({ policy: AI_ROGUE_AUTHORED_RUN_POLICY, values, rejection }));'`
  * Result: PASS - lookup returned authored depths and rejected depth 4.
  * Evidence: output was `{"policy":"authored-main-run","values":["boot-sector","index-maze","kernel-arena"],"rejection":"AiRogueLevelSpecLookupError:authored-main-run:4"}`.
* UI product-surface check: N/A - pure runtime registry API touched no user-facing surface.
* UI craft check: N/A - pure runtime registry API touched no user-facing surface.

**BQC Fixes**:

* Failure path completeness: invalid and out-of-range authored-main-run depths now throw a specific error with stable policy and depth fields (`src/extensions/ai-rogue/runtime/content/levels.ts`).

***

### Task T010 - Implement structural registry validation

**Started**: 2026-06-30 18:26 **Completed**: 2026-06-30 18:28 **Duration**: 2 minutes

**Notes**:

* Added `validateAiRogueContentRegistry()` with array and level-shape checks.
* Added structural validation for duplicate IDs, duplicate depths, contiguous 1-based depths, non-empty enemy tables, and finale placement.
* Exported the validator from the content barrel.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/validate.ts` - added structural registry validation.
* `src/extensions/ai-rogue/runtime/content/index.ts` - exported the validator.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T010 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted the validator.
  * Evidence: `tsc --noEmit` completed with exit code 0 after tightening optional-depth guards.
* Command/check: `bun --eval 'import { AI_ROGUE_LEVEL_SPECS, validateAiRogueContentRegistry } from "./src/extensions/ai-rogue/runtime/content/index.ts"; const clone = AI_ROGUE_LEVEL_SPECS.map((level) => ({ ...level, generation: { ...level.generation }, placements: { ...level.placements }, enemyTable: [...level.enemyTable], guarantees: { ...level.guarantees, enemyKinds: [...level.guarantees.enemyKinds] }, objective: { floorObjective: { ...level.objective.floorObjective } }, finale: { ...level.finale } })); const cases = { valid: clone, duplicateId: [clone[0], { ...clone[1], id: clone[0].id }, clone[2]], gap: [clone[0], { ...clone[1], depth: 3 }, { ...clone[2], depth: 4 }], emptyEnemyTable: [clone[0], { ...clone[1], enemyTable: [] }, clone[2]], earlyFinale: [{ ...clone[0], finale: { ...clone[0].finale, isFinalAuthoredLevel: true } }, clone[1], clone[2]] }; const results = Object.fromEntries(Object.entries(cases).map(([name, value]) => [name, validateAiRogueContentRegistry(value).issues.map((issue) => issue.code)])); console.log(JSON.stringify(results));'`
  * Result: PASS - structural cases produced expected issue codes.
  * Evidence: valid registry had no issues; malformed cases produced `duplicate-id`, `non-contiguous-depth`, `empty-enemy-table`, and `finale-before-last-level`.
* UI product-surface check: N/A - pure runtime validation touched no user-facing surface.
* UI craft check: N/A - pure runtime validation touched no user-facing surface.

**BQC Fixes**:

* Trust boundary enforcement: validator accepts `unknown` input and performs array/object shape checks before reading registry fields (`src/extensions/ai-rogue/runtime/content/validate.ts`).
* Failure path completeness: structural failures return explicit issue codes, paths, and safe metadata instead of throwing or silently accepting malformed content (`src/extensions/ai-rogue/runtime/content/validate.ts`).

***

### Task T011 - Implement local reference and safe text validation

**Started**: 2026-06-30 18:28 **Completed**: 2026-06-30 18:33 **Duration**: 5 minutes

**Notes**:

* Added local reference validation for themes, enemies, protocols, prefabs, terminals, pickup guarantees, music IDs, and ambience IDs.
* Added theme-to-ambience consistency validation for authored level rows.
* Added safe ASCII browser-facing text checks for labels, lessons, and floor objective labels.
* Avoided runtime imports from `audio.ts` because that module depends on Vite `import.meta.glob`; validator uses local literal music and ambience sets instead.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/validate.ts` - added local reference validation and safe-text checks.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T011 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - TypeScript accepted local reference and safe-text validation.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: `bun --eval 'import { AI_ROGUE_LEVEL_SPECS, validateAiRogueContentRegistry } from "./src/extensions/ai-rogue/runtime/content/index.ts"; const clone = AI_ROGUE_LEVEL_SPECS.map((level) => ({ ...level, generation: { ...level.generation }, placements: { ...level.placements }, enemyTable: [...level.enemyTable], guarantees: { ...level.guarantees, enemyKinds: [...level.guarantees.enemyKinds] }, objective: { floorObjective: { ...level.objective.floorObjective } }, finale: { ...level.finale } })); const cases = { valid: clone, badTheme: [{ ...clone[0], generation: { ...clone[0].generation, themeId: "missing-theme" } }, clone[1], clone[2]], badEnemy: [{ ...clone[0], enemyTable: ["missing-enemy"] }, clone[1], clone[2]], badProtocol: [{ ...clone[0], generation: { ...clone[0].generation, baselineProtocolId: "missing-protocol" } }, clone[1], clone[2]], badPrefab: [clone[0], { ...clone[1], placements: { ...clone[1].placements, prefabId: "missing-prefab" } }, clone[2]], badTerminal: [clone[0], { ...clone[1], placements: { ...clone[1].placements, terminalId: "missing-terminal" } }, clone[2]], badPickup: [clone[0], { ...clone[1], guarantees: { ...clone[1].guarantees, pickupKind: "missing-pickup" } }, clone[2]], badMusic: [{ ...clone[0], generation: { ...clone[0].generation, musicTrackId: "missing-music" } }, clone[1], clone[2]], badAmbience: [{ ...clone[0], generation: { ...clone[0].generation, ambienceId: "theme_kernel_core_ambience" } }, clone[1], clone[2]], unsafeText: [{ ...clone[0], lesson: "/home/operator/.env.local" }, clone[1], clone[2]] }; const results = Object.fromEntries(Object.entries(cases).map(([name, value]) => [name, validateAiRogueContentRegistry(value).issues.map((issue) => issue.code)])); console.log(JSON.stringify(results));'`
  * Result: PASS - malformed local references and unsafe text mapped to explicit codes.
  * Evidence: valid registry had no issues; malformed cases produced `invalid-theme-reference`, `invalid-enemy-reference`, `invalid-protocol-reference`, `invalid-prefab-reference`, `invalid-terminal-reference`, `invalid-pickup-reference`, `invalid-music-reference`, `invalid-ambience-reference`, and `unsafe-text`.
* UI product-surface check: N/A - pure runtime validation touched no user-facing surface.
* UI craft check: N/A - pure runtime validation touched no user-facing surface.

**BQC Fixes**:

* Trust boundary enforcement: local reference values are checked against explicit runtime catalog sets before registry data can be treated as valid (`src/extensions/ai-rogue/runtime/content/validate.ts`).
* Error information boundaries: unsafe-text failures return stable issue codes and paths without echoing unsafe source strings in issue messages (`src/extensions/ai-rogue/runtime/content/validate.ts`).

***

### Task T012 - Add registry validation and lookup tests

**Started**: 2026-06-30 18:33 **Completed**: 2026-06-30 18:34 **Duration**: 1 minute

**Notes**:

* Added registry tests for valid initial specs, structural failures, local-reference failures, unsafe text, and out-of-range lookup rejection.
* Verified validation failures expose issue codes without echoing unsafe text.
* Used malformed test data only inside the test helper; production registry types remain strict.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts` - added registry validation and lookup coverage.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded task evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T012 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`
  * Result: PASS - registry suite passed.
  * Evidence: 1 test file passed; 5 tests passed.
* Command/check: targeted source inspection of `src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`
  * Result: PASS - tests cover valid rows, duplicate ID, depth gap, empty enemy table, local reference failures, unsafe text, finale placement, and out-of-range lookup.
  * Evidence: malformed cases assert explicit validation codes and `AiRogueLevelSpecLookupError`.
* UI product-surface check: N/A - runtime test coverage touched no user-facing surface.
* UI craft check: N/A - runtime test coverage touched no user-facing surface.

**BQC Fixes**:

* Contract alignment: registry tests assert the barrel exports, validation result contract, and lookup error behavior together (`src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`).

***

### Task T013 - Run focused new and touched test suites

**Started**: 2026-06-30 18:34 **Completed**: 2026-06-30 18:35 **Duration**: 1 minute

**Notes**:

* Ran the new content baseline, golden determinism, registry, and touched boss presentation suites together.

**Files Changed**:

* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded test evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T013 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts`
  * Result: PASS - focused new and touched suites passed.
  * Evidence: 4 test files passed; 15 tests passed.
* UI product-surface check: N/A - test run touched no user-facing surface.
* UI craft check: N/A - test run touched no user-facing surface.

***

### Task T014 - Run existing focused AI Rogue resolver and runtime suites

**Started**: 2026-06-30 18:35 **Completed**: 2026-06-30 18:36 **Duration**: 1 minute

**Notes**:

* Ran existing AI Rogue suites covering world generation, run simulation, floor arcs, themes, prefabs, protocols, terminals, audio, and the roguelike loop.

**Files Changed**:

* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded test evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T014 complete after evidence was recorded.

**Verification**:

* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/world.test.ts src/extensions/ai-rogue/runtime/__tests__/simulation.test.ts src/extensions/ai-rogue/runtime/__tests__/floor-arc.test.ts src/extensions/ai-rogue/runtime/__tests__/themes.test.ts src/extensions/ai-rogue/runtime/__tests__/prefabs.test.ts src/extensions/ai-rogue/runtime/__tests__/protocols.test.ts src/extensions/ai-rogue/runtime/__tests__/terminals.test.ts src/extensions/ai-rogue/runtime/__tests__/audio.test.ts src/extensions/ai-rogue/runtime/__tests__/roguelike-loop.test.ts`
  * Result: PASS - existing focused runtime suites passed.
  * Evidence: 9 test files passed; 89 tests passed.
* UI product-surface check: N/A - test run touched no user-facing surface.
* UI craft check: N/A - test run touched no user-facing surface.

***

### Task T015 - Run typecheck and confirm pure content registry imports

**Started**: 2026-06-30 18:36 **Completed**: 2026-06-30 18:37 **Duration**: 1 minute

**Notes**:

* Ran the project typecheck after all code and test additions.
* Scanned content registry imports and disallowed dependency terms.

**Files Changed**:

* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded validation evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T015 complete after evidence was recorded.

**Verification**:

* Command/check: `bun run typecheck`
  * Result: PASS - project typecheck passed.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: `rg -n '^import ' src/extensions/ai-rogue/runtime/content`
  * Result: PASS - content imports are limited to runtime catalog modules, local content modules, type-only contracts, and Vitest in tests.
  * Evidence: no route, renderer, bridge, generated-data, PixiJS, browser, or UI imports were listed.
* Command/check: `rg -n 'pixi|renderer|route|bridge|generated-data|live-data|generated|@/routes|\.tsx|localStorage|window|document' src/extensions/ai-rogue/runtime/content`
  * Result: PASS - disallowed dependency scan found no matches.
  * Evidence: command produced no matches; exit code 1 was expected for an empty rg result.
* UI product-surface check: N/A - validation touched no user-facing surface.
* UI craft check: N/A - validation touched no user-facing surface.

***

### Task T016 - Validate ASCII and LF requirements

**Started**: 2026-06-30 18:37 **Completed**: 2026-06-30 18:38 **Duration**: 1 minute

**Notes**:

* Checked the session spec files, new runtime tests, touched boss presentation test, and content registry files for non-ASCII characters and CRLF line endings.
* Ran Prettier on touched TypeScript files after a formatting check found style changes.
* Re-ran typecheck and focused suites after formatting.

**Files Changed**:

* `src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts` - formatted by Prettier.
* `src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts` - formatted by Prettier.
* `src/extensions/ai-rogue/runtime/content/validate.ts` - formatted by Prettier.
* `src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts` - formatted by Prettier.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md` - recorded validation evidence.
* `.spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md` - marked T016 complete after evidence was recorded.

**Verification**:

* Command/check: `perl -ne 'print "$ARGV:$.:non-ascii\n" if /[^\x00-\x7F]/' .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/spec.md .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts src/extensions/ai-rogue/runtime/content/types.ts src/extensions/ai-rogue/runtime/content/levels.ts src/extensions/ai-rogue/runtime/content/validate.ts src/extensions/ai-rogue/runtime/content/index.ts src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`
  * Result: PASS - no non-ASCII findings.
  * Evidence: command produced no output.
* Command/check: `perl -ne 'print "$ARGV:$.:crlf\n" if /\r/' .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/spec.md .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/tasks.md .spec_system/specs/phase39-session01-baseline-and-registry-skeleton/implementation-notes.md src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts src/extensions/ai-rogue/runtime/content/types.ts src/extensions/ai-rogue/runtime/content/levels.ts src/extensions/ai-rogue/runtime/content/validate.ts src/extensions/ai-rogue/runtime/content/index.ts src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`
  * Result: PASS - no CRLF findings.
  * Evidence: command produced no output.
* Command/check: `bunx prettier --check src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts src/extensions/ai-rogue/runtime/content/types.ts src/extensions/ai-rogue/runtime/content/levels.ts src/extensions/ai-rogue/runtime/content/validate.ts src/extensions/ai-rogue/runtime/content/index.ts src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts`
  * Result: FAIL then fixed - formatting check found style changes in four files.
  * Evidence: Prettier reported style issues in `content-baseline.test.ts`, `golden-determinism.test.ts`, `validate.ts`, and `levels.test.ts`; `bunx prettier --write ...` completed successfully.
* Command/check: `bun run typecheck`
  * Result: PASS - typecheck passed after formatting.
  * Evidence: `tsc --noEmit` completed with exit code 0.
* Command/check: `bunx vitest run src/extensions/ai-rogue/runtime/__tests__/content-baseline.test.ts src/extensions/ai-rogue/runtime/__tests__/golden-determinism.test.ts src/extensions/ai-rogue/runtime/content/__tests__/levels.test.ts src/extensions/ai-rogue/runtime/__tests__/boss-presentation.test.ts`
  * Result: PASS - focused suites passed after formatting.
  * Evidence: 4 test files passed; 15 tests passed.
* UI product-surface check: N/A - validation touched no user-facing surface.
* UI craft check: N/A - validation touched no user-facing surface.


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