> 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/phase38-session05-runtime-bridge-hardening/implementation-notes.md).

# Implementation Notes

**Session ID**: `phase38-session05-runtime-bridge-hardening` **Started**: 2026-06-29 22:13 **Last Updated**: 2026-06-29 22:45

***

## Session Progress

| Metric              | Value     |
| ------------------- | --------- |
| Tasks Completed     | 20 / 20   |
| Estimated Remaining | 3-4 hours |
| Blockers            | 0         |

***

## Task Log

### 2026-06-29 - Session Start

**Environment verified**:

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

***

### Task T001 - Verify upstream runtime CLI and Host-header behavior

**Started**: 2026-06-29 22:13 **Completed**: 2026-06-29 22:14 **Duration**: 1 minute

**Notes**:

* Compared upstream `vite.config.ts` hunk locations for `venvBin`, `cliBinCandidates`, `resolveCliBin`, Graphify command selection, Hermes chat source-entry preference, and exact Host-header rejection.
* Confirmed AI OS keeps these concerns split across `scripts/lib/platform.ts`, `scripts/lib/tool-detection.ts`, bridge modules, and Vite middleware registration.
* Selected a semantic port target: pure local guard helper, shared runtime CLI resolver affordances, Hermes source Python plus wrapper resolution, and Graphify configured/venv/PATH resolution.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded implementation evidence.

**Verification**:

* Command/check: `rg -n "venvBin|cliBinCandidates|resolveCliBin|graphify|isLoopback|Host|__hermes_chat|GRAPHIFY_BIN|HERMES_BIN" /home/aiwithapex/projects/claudeos/claude-os-v2.8.1/vite.config.ts`
  * Result: PASS - found upstream Host, Hermes, Graphify, and CLI hunk anchors.
  * Evidence: upstream uses exact Host parsing in `isLoopback`, Windows venv `Scripts`, Windows app-data npm `.cmd`, local-programs candidates, POSIX fallbacks, and source-entry Hermes preference.
* Command/check: `rg -n "resolveHermes|graphify|isLoopback|__token|__refresh|__dream" vite.config.ts scripts/lib/hermes-admin-bridge.ts scripts/lib/knowledge-graph-admin-bridge.ts`
  * Result: PASS - located current AI OS bridge boundaries and Vite loopback call sites.
  * Evidence: Hermes and Graphify command resolution live in bridge modules while privileged endpoint registration receives a shared `isLoopback` predicate from Vite.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - characterization only.

***

### Task T002 - Characterize current privileged guard paths

**Started**: 2026-06-29 22:14 **Completed**: 2026-06-29 22:15 **Duration**: 1 minute

**Notes**:

* Confirmed Vite's current `isLoopback` only checks socket remote address and is passed into Hermes dev/admin, Knowledge Graph dev/admin, OpenClaw, Trend Finder, refresh, token, Dream, and local run-control endpoints.
* Confirmed Hermes read-only status remains in `scripts/lib/hermes-dev-bridge.ts` and performs filesystem reads after method and loopback gates.
* Confirmed existing admin bridge preflights enforce method, loopback, token, admin gate, body-size, content-type, payload, and path-safety checks in the modules rather than in Vite.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded guard characterization evidence.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/tasks.md` - added the progress table and marked T001 complete before this task.

**Verification**:

* Command/check: `rg -n "isLoopback|__token|__refresh|__dream|registerHermes|registerKnowledge|run" vite.config.ts`
  * Result: PASS - found Vite loopback use across registered bridges, token, refresh, Trend Finder run, Dream run, and status endpoints.
  * Evidence: all privileged Vite call sites are reachable through the single `isLoopback` predicate.
* Command/check: `sed -n '1740,1795p' scripts/lib/hermes-dev-bridge.ts`
  * Result: PASS - read-only Hermes endpoints reject non-GET and non-loopback requests before filesystem reads.
  * Evidence: `/__hermes_status` and related endpoints are filesystem-based and token-gate only sensitive reads.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - characterization only.

***

### Task T003 - Create implementation evidence file

**Started**: 2026-06-29 22:13 **Completed**: 2026-06-29 22:16 **Duration**: 3 minutes

**Notes**:

* Created the session implementation notes file required by the implement workflow.
* Recorded the selected hardening targets: exact Host validation in Vite, shared runtime CLI resolution, Hermes source Python and wrapper resolution, Graphify configured/venv/PATH resolution, and focused bridge tests.
* Initialized task evidence, environment verification, task counts, and blocker tracking.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - created and populated the implementation evidence log.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/tasks.md` - tracked setup task progress.

**Verification**:

* Command/check: `sed -n '1,120p' .spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md`
  * Result: PASS - notes file exists with session metadata, progress table, environment verification, and task logs.
  * Evidence: file contains Task T001 through T003 evidence sections and selected runtime bridge hardening targets.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - evidence file only.

***

### Task T004 - Create pure local control-plane guard

**Started**: 2026-06-29 22:16 **Completed**: 2026-06-29 22:18 **Duration**: 2 minutes

**Notes**:

* Added `isLoopbackRemoteAddress`, `isExactLocalHostHeader`, and `isLocalControlPlaneRequest` as pure helpers.
* Host parsing allows absent Host for internal middleware calls, `localhost`, `127.0.0.1`, `::1`, `[::1]`, and valid optional ports where unambiguous.
* Host parsing rejects empty values, prefix/suffix tricks, credentials, encoded values, slashes, whitespace, control characters, invalid ports, malformed bracketed hosts, arrays, and non-string Host values.

**Files Changed**:

* `scripts/lib/local-control-plane-guard.ts` - added local control-plane request guard helpers.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T004 evidence.

**Verification**:

* Command/check: `sed -n '1,180p' scripts/lib/local-control-plane-guard.ts`
  * Result: PASS - guard is pure, side-effect free, and exported for Vite and unit tests.
  * Evidence: socket loopback validation and exact Host-header validation are independent and composed by `isLocalControlPlaneRequest`.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: added explicit Host-header validation alongside socket loopback checks (`scripts/lib/local-control-plane-guard.ts`).
* Failure path completeness: guard returns a deterministic false result for malformed Host input without throwing.

***

### Task T005 - Extend shared runtime CLI resolution

**Started**: 2026-06-29 22:18 **Completed**: 2026-06-29 22:20 **Duration**: 2 minutes

**Notes**:

* Added `resolveRuntimeCli` to resolve configured paths before explicit runtime candidates and PATH/fallback discovery.
* Added source labels so bridge status can preserve `configured`, `path`, and `missing` semantics without duplicating PATH/PATHEXT logic.
* Added injectable `pathExists` support for deterministic Windows harness tests and bridge-specific existence policies.

**Files Changed**:

* `scripts/lib/tool-detection.ts` - added runtime CLI resolution types, configured candidate handling, and injectable path existence.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T005 evidence.

**Verification**:

* Command/check: `sed -n '1,180p' scripts/lib/tool-detection.ts`
  * Result: PASS - `resolveCliPath` remains available and `resolveRuntimeCli` layers configured/path/missing labels over it.
  * Evidence: configured candidates are deduplicated and checked first; PATH and fallback directories still use existing platform helper behavior.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Contract alignment: resolver returns explicit source labels that match existing Graphify status contracts.
* Failure path completeness: missing runtime CLIs return a stable missing result without throwing.

***

### Task T006 - Add guard and CLI resolver tests

**Started**: 2026-06-29 22:20 **Completed**: 2026-06-29 22:22 **Duration**: 2 minutes

**Notes**:

* Added unit coverage for loopback socket validation, absent Host, exact local Host values, hostile Host suffix/prefix tricks, encoded values, credentials, empty or whitespace values, malformed bracketed hosts, control characters, bad ports, and combined request validation.
* Extended tool-detection tests for configured runtime candidates, explicit path candidates, injected Windows app-data npm `.cmd` lookup, and stable missing results.

**Files Changed**:

* `scripts/lib/__tests__/local-control-plane-guard.test.ts` - added guard test coverage.
* `scripts/lib/__tests__/tool-detection.test.ts` - added runtime CLI resolver tests.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T006 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/local-control-plane-guard.test.ts scripts/lib/__tests__/tool-detection.test.ts`
  * Result: PASS - 2 test files passed.
  * Evidence: 39 tests passed in 226ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: hostile Host-header cases now have unit coverage.
* Contract alignment: runtime resolver source-label semantics now have unit coverage.

***

### Task T007 - Preserve platform helper coverage

**Started**: 2026-06-29 22:22 **Completed**: 2026-06-29 22:23 **Duration**: 1 minute

**Notes**:

* Reviewed existing `platform.test.ts` coverage and confirmed it already covers Windows app-data npm directories, local-programs directories, PATHEXT expansion, and venv `Scripts` resolution.
* No platform helper code change was needed for this task.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T007 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/platform.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 10 tests passed in 373ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - platform coverage check only.

***

### Task T008 - Wire Vite loopback predicate through local guard

**Started**: 2026-06-29 22:23 **Completed**: 2026-06-29 22:24 **Duration**: 1 minute

**Notes**:

* Imported `isLocalControlPlaneRequest` into `vite.config.ts`.
* Replaced the inline socket-only predicate with the shared guard while preserving the existing `isLoopback` function name and all downstream bridge registrations.
* Existing callers without Host headers remain supported because the guard treats absent Host as an internal local request.

**Files Changed**:

* `vite.config.ts` - wired Vite `isLoopback` through `isLocalControlPlaneRequest`.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T008 evidence.

**Verification**:

* Command/check: `rg -n "isLocalControlPlaneRequest|function isLoopback" vite.config.ts`
  * Result: PASS - Vite imports the guard and keeps a single `isLoopback` predicate for bridge and run-control callers.
  * Evidence: all existing `isLoopback` call sites continue to reference the same Vite-level function.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: Host-header validation now composes with existing socket loopback checks before privileged endpoint logic.
* Contract alignment: kept the existing `isLoopback` callback contract for all registered bridge modules.

***

### Task T009 - Update Hermes chat command resolution

**Started**: 2026-06-29 22:24 **Completed**: 2026-06-29 22:26 **Duration**: 2 minutes

**Notes**:

* Updated Hermes command discovery to build the source checkout Python path with `venvBin`, preserving POSIX `bin/python` and enabling Windows `Scripts/python.exe`.
* Routed wrapper fallback through `resolveRuntimeCli` for configured `HERMES_BIN`, PATH/PATHEXT, app-data npm, local-programs, and POSIX fallback discovery.
* Preserved existing explicit `hermesWrapperCandidates` test seam, chat timeout handling, argv-only spawning, SSE streaming, and sanitized failure handling.

**Files Changed**:

* `scripts/lib/hermes-admin-bridge.ts` - used shared platform and runtime CLI helpers for Hermes command resolution.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T009 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/hermes-admin-bridge.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 32 tests passed in 384ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* External dependency resilience: existing chat timeout and child cleanup behavior remained covered after command resolution changed.
* Contract alignment: existing SSE event shape and admin error codes remained covered by the Hermes admin bridge suite.

***

### Task T010 - Add Hermes admin bridge runtime resolution tests

**Started**: 2026-06-29 22:26 **Completed**: 2026-06-29 22:28 **Duration**: 2 minutes

**Notes**:

* Added injected Windows harness coverage for source checkout `Scripts/python.exe` plus `hermes_cli/main.py` resolution.
* Added injected Windows harness coverage for `%APPDATA%\\npm\\hermes.cmd` wrapper discovery through shared CLI detection.
* Existing Hermes admin bridge tests continue to cover configured `HERMES_BIN`, graph/yolo argv preservation, timeouts, disconnect cleanup, and sanitized SSE failures.

**Files Changed**:

* `scripts/lib/__tests__/hermes-admin-bridge.test.ts` - added Windows source and app-data npm wrapper tests and harness options.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T010 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/hermes-admin-bridge.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 34 tests passed in 810ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Contract alignment: added regression proof that graph/yolo argv behavior remains array-based while command selection changes.
* Error information boundaries: existing sanitized failure tests remained green after resolver changes.

***

### Task T011 - Update Graphify admin command resolution

**Started**: 2026-06-29 22:28 **Completed**: 2026-06-29 22:30 **Duration**: 2 minutes

**Notes**:

* Replaced Graphify-specific PATH splitting and fixed POSIX candidates with `resolveRuntimeCli`.
* Preserved existing `graphifyCandidates` test seam and `configured`, `path`, `missing` status semantics.
* Added `.notebooklm-venv` through `venvBin` so Windows resolves `Scripts/graphify.exe` and POSIX resolves `bin/graphify`.

**Files Changed**:

* `scripts/lib/knowledge-graph-admin-bridge.ts` - routed Graphify command discovery through shared runtime CLI resolution.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T011 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 7 tests passed in 251ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Contract alignment: Graphify admin status still exposes `configured`, `path`, and `missing` without leaking command paths.
* Error information boundaries: existing private-path redaction tests remained green.

***

### Task T012 - Add Knowledge Graph admin bridge resolution tests

**Started**: 2026-06-29 22:30 **Completed**: 2026-06-29 22:32 **Duration**: 2 minutes

**Notes**:

* Added runtime resolver harness mode for Graphify admin tests.
* Added coverage for configured `GRAPHIFY_BIN`, missing Graphify, and Windows `%APPDATA%\\npm\\graphify.cmd` ingest selection.
* Existing tests continue to cover path status, argv-only ingest, command failure redaction, malformed graph cleanup, registry projection, and Git temp cleanup.

**Files Changed**:

* `scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts` - added runtime Graphify configured/missing and Windows `.cmd` ingest tests.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T012 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 9 tests passed in 272ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Contract alignment: Graphify status source labels and ingest command selection now have direct bridge-level tests.
* Error information boundaries: test assertions verify configured/private paths are not exposed in status or ingest responses.

***

### Task T013 - Apply Host hardening through Vite bridge registrations

**Started**: 2026-06-29 22:32 **Completed**: 2026-06-29 22:34 **Duration**: 2 minutes

**Notes**:

* Verified the Vite-level `isLoopback` predicate is still the predicate passed to Hermes, Knowledge Graph, Trend Finder, token, refresh, Dream, and run-control paths.
* Verified existing method, token, admin, body-size, unsupported-media, and path-safety gates remain in the bridge modules and inline Vite handlers.
* No additional code change was needed beyond the T008 Vite guard wiring.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T013 evidence.

**Verification**:

* Command/check: `rg -n "registerHermes|registerKnowledge|registerTrendFinder|/__token|/__refresh_data|/__run_dream|/__run_trend_finder|/__refresh_status|isLoopback\\(req\\)" vite.config.ts`
  * Result: PASS - bridge registrations and inline privileged endpoints still use the shared `isLoopback` predicate.
  * Evidence: Hermes, Knowledge Graph, Trend Finder, token, refresh, Dream, and run-control call sites remain present.
* Command/check: `rg -n "function requirePreflight|body_too_large|invalid_token|admin_disabled|path_escape|unsupported_media_type" scripts/lib/hermes-admin-bridge.ts scripts/lib/knowledge-graph-admin-bridge.ts scripts/lib/hermes-dev-bridge.ts`
  * Result: PASS - existing secondary gates remain in place.
  * Evidence: method/token/admin/body/path checks are still enforced in bridge handlers after Host hardening.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: Host validation was applied as defense in depth alongside existing authorization and validation gates.
* Contract alignment: no endpoint JSON shape or SSE shape was changed for non-Host failures.

***

### Task T014 - Add hostile-Host regression scenarios

**Started**: 2026-06-29 22:34 **Completed**: 2026-06-29 22:36 **Duration**: 2 minutes

**Notes**:

* Updated Hermes and Knowledge Graph admin bridge tests to use `isLocalControlPlaneRequest` in their harnesses.
* Added Hermes chat hostile Host rejection coverage.
* Added Graphify status and ingest hostile Host rejection coverage.
* Added pure guard coverage for representative Vite-only privileged endpoint paths: Dream run, token, refresh, and refresh status.

**Files Changed**:

* `scripts/lib/__tests__/local-control-plane-guard.test.ts` - added representative privileged endpoint Host rejection coverage.
* `scripts/lib/__tests__/hermes-admin-bridge.test.ts` - added hostile Host bridge regression and shared guard harness usage.
* `scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts` - added hostile Host bridge regressions and shared guard harness usage.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T014 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/local-control-plane-guard.test.ts scripts/lib/__tests__/hermes-admin-bridge.test.ts scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts`
  * Result: PASS - 3 test files passed.
  * Evidence: 50 tests passed in 414ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: module-level tests now reject hostile Host headers before bridge payload handling.
* Error information boundaries: hostile Host failures return existing `loopback_required` errors without exposing private paths or tokens.

***

### Task T015 - Confirm read-only Hermes status Host hardening

**Started**: 2026-06-29 22:36 **Completed**: 2026-06-29 22:38 **Duration**: 2 minutes

**Notes**:

* Updated Hermes dev bridge tests to use the shared local control-plane guard.
* Added `/__hermes_status` hostile Host rejection coverage.
* Confirmed valid `localhost:5173` Host still returns the existing filesystem-backed missing-status contract.

**Files Changed**:

* `scripts/lib/__tests__/hermes-dev-bridge.test.ts` - added Host-aware harness behavior and status regression assertions.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T015 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/hermes-dev-bridge.test.ts`
  * Result: PASS - 1 test file passed.
  * Evidence: 17 tests passed in 299ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* Trust boundary enforcement: read-only Hermes status now has Host-aware loopback test coverage.
* Contract alignment: valid local Host status still returns the existing `ok: true` missing-status response shape.

***

### Task T016 - Run local guard and shared CLI helper tests

**Started**: 2026-06-29 22:38 **Completed**: 2026-06-29 22:39 **Duration**: 1 minute

**Notes**:

* Ran the required focused guard, platform, and tool-detection test command.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T016 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/local-control-plane-guard.test.ts scripts/lib/__tests__/platform.test.ts scripts/lib/__tests__/tool-detection.test.ts`
  * Result: PASS - 3 test files passed.
  * Evidence: 50 tests passed in 237ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - testing task only.

***

### Task T017 - Run Hermes and Knowledge Graph bridge regressions

**Started**: 2026-06-29 22:39 **Completed**: 2026-06-29 22:40 **Duration**: 1 minute

**Notes**:

* Ran the required Hermes admin, Hermes dev, and Knowledge Graph admin bridge regression command.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T017 evidence.

**Verification**:

* Command/check: `bun run test -- scripts/lib/__tests__/hermes-admin-bridge.test.ts scripts/lib/__tests__/hermes-dev-bridge.test.ts scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts`
  * Result: PASS - 3 test files passed.
  * Evidence: 62 tests passed in 409ms.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - testing task only.

***

### Task T018 - Run Dream run-control regressions

**Started**: 2026-06-29 22:40 **Completed**: 2026-06-29 22:41 **Duration**: 1 minute

**Notes**:

* Ran the required Dream run hook and scheduler execution regression command.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T018 evidence.

**Verification**:

* Command/check: `bun run test -- src/lib/__tests__/use-dream-run.test.tsx scripts/lib/__tests__/dream-execution.test.ts`
  * Result: PASS - 2 test files passed.
  * Evidence: 16 tests passed in 1.79s.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - testing task only.

***

### Task T019 - Run TypeScript checks

**Started**: 2026-06-29 22:41 **Completed**: 2026-06-29 22:43 **Duration**: 2 minutes

**Notes**:

* Ran script and app TypeScript checks required by the session.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded T019 evidence.

**Verification**:

* Command/check: `bun run typecheck:scripts`
  * Result: PASS - script TypeScript project compiled with no emit.
  * Evidence: `tsc --noEmit -p tsconfig.scripts.json` exited 0.
* Command/check: `bun run typecheck`
  * Result: PASS - app TypeScript project compiled with no emit.
  * Evidence: `tsc --noEmit` exited 0.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - testing task only.

***

### Task T020 - Validate ASCII/LF and record final evidence

**Started**: 2026-06-29 22:43 **Completed**: 2026-06-29 22:45 **Duration**: 2 minutes

**Notes**:

* Ran Prettier on touched TypeScript and session Markdown files.
* Reran focused test coverage after formatting.
* Reran script and app TypeScript checks after formatting.
* Validated ASCII-only content and absence of CRLF line endings across touched code, tests, and current session spec files.

**Files Changed**:

* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md` - recorded final validation evidence.
* `.spec_system/specs/phase38-session05-runtime-bridge-hardening/tasks.md` - marked task and completion checklist progress.

**Verification**:

* Command/check: `bunx prettier --write vite.config.ts scripts/lib/local-control-plane-guard.ts scripts/lib/tool-detection.ts scripts/lib/hermes-admin-bridge.ts scripts/lib/knowledge-graph-admin-bridge.ts scripts/lib/__tests__/local-control-plane-guard.test.ts scripts/lib/__tests__/tool-detection.test.ts scripts/lib/__tests__/hermes-admin-bridge.test.ts scripts/lib/__tests__/hermes-dev-bridge.test.ts scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts .spec_system/specs/phase38-session05-runtime-bridge-hardening/implementation-notes.md .spec_system/specs/phase38-session05-runtime-bridge-hardening/tasks.md`
  * Result: PASS - formatter completed.
  * Evidence: local guard, Knowledge Graph admin bridge test, implementation notes, and tasks were formatted; other listed files were unchanged by formatter.
* Command/check: `bun run test -- scripts/lib/__tests__/local-control-plane-guard.test.ts scripts/lib/__tests__/platform.test.ts scripts/lib/__tests__/tool-detection.test.ts scripts/lib/__tests__/hermes-admin-bridge.test.ts scripts/lib/__tests__/hermes-dev-bridge.test.ts scripts/lib/__tests__/knowledge-graph-admin-bridge.test.ts src/lib/__tests__/use-dream-run.test.tsx scripts/lib/__tests__/dream-execution.test.ts`
  * Result: PASS - 8 test files passed.
  * Evidence: 128 tests passed in 1.85s.
* Command/check: `bun run typecheck:scripts`
  * Result: PASS - script TypeScript project compiled with no emit.
  * Evidence: `tsc --noEmit -p tsconfig.scripts.json` exited 0.
* Command/check: `bun run typecheck`
  * Result: PASS - app TypeScript project compiled with no emit.
  * Evidence: `tsc --noEmit` exited 0.
* Command/check: `perl -ne 'BEGIN { $bad = 0 } if (/[^\\x00-\\x7F]/) { print "$ARGV:$.:non-ascii\\n"; $bad = 1 } if (/\\r/) { print "$ARGV:$.:crlf\\n"; $bad = 1 } END { exit($bad ? 1 : 0) }' [touched files]`
  * Result: PASS - no non-ASCII or CRLF findings.
  * Evidence: command exited 0 with no output.
* UI product-surface check: N/A - no UI surface changed.
* UI craft check: N/A - no UI surface changed.

**BQC Fixes**:

* N/A - final validation task only.

***


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