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# Implementation Summary

**Session ID**: `phase41-session02-hermes-bridge-status` **Completed**: 2026-07-03 **Duration**: 1 hour

***

## Overview

Session 02 moved Hermes admin bridge status and write preflight behavior from legacy manual admin gating to the Phase 41 local all-access contract. Hermes local writes are now ready by default when local access is enabled, while production, explicit local access disablement, loopback, Host-header, token, method, setup, timeout, and dependency blockers remain explicit fail-closed states.

***

## Deliverables

### Files Created

| File | Purpose                                | Lines |
| ---- | -------------------------------------- | ----- |
| None | No new production files were required. | 0     |

### Files Modified

| File                                                | Changes                                                                                                                                       |
| --------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| `scripts/lib/hermes-admin-bridge.ts`                | Added local write-readiness resolution, expanded status body creation, and updated preflight readiness errors.                                |
| `src/lib/hermes-admin-types.ts`                     | Expanded browser status types and parser validation for local readiness, compatibility aliases, blockers, and inconsistent payloads.          |
| `scripts/lib/hermes-dev-bridge.ts`                  | Preserved sensitive-read token gating while keeping public reads token-free where intended.                                                   |
| `scripts/lib/__tests__/hermes-admin-bridge.test.ts` | Added status, preflight, local all-access, legacy alias, production, disabled, token, loopback, method, and representative mutation coverage. |
| `src/lib/__tests__/hermes-admin-types.test.ts`      | Added parser fixtures and malformed payload regressions for the expanded status contract.                                                     |
| `scripts/lib/__tests__/hermes-dev-bridge.test.ts`   | Added sensitive-read token-gate regressions.                                                                                                  |
| `tests/e2e/fixtures/hermes-mission-control.ts`      | Refreshed Hermes admin status fixture payloads for the expanded parser contract.                                                              |

***

## Technical Decisions

1. **Canonical readiness owner**: Hermes bridge readiness now derives from the Phase 41 local access env helper so normal local startup is write-ready without requiring `HERMES_DASHBOARD_ADMIN=1`.
2. **Compatibility without default gating**: Legacy `adminEnabled`, `gate`, and alias fields remain for current consumers, but they now reflect local write readiness rather than manual env setup as the normal gate.
3. **Parser-owned contract safety**: Browser parsing rejects malformed or internally inconsistent status payloads before hooks and UI can consume ambiguous bridge state.

***

## Test Results

| Metric   | Value                             |
| -------- | --------------------------------- |
| Tests    | 4829 full suite; 93 focused suite |
| Passed   | 4829 full suite; 93 focused suite |
| Coverage | Not reported by `bun run test`    |

***

## Lessons Learned

1. The status parser needed semantic consistency checks, not only primitive type checks, once the bridge contract grew beyond a single boolean gate.
2. Keeping compatibility fields during the Phase 41 migration lets later hook and route-mode sessions proceed without breaking existing consumers.

***

## Future Considerations

Items for future sessions:

1. Session 03 should rename ready Hermes route state to `live-local` and align hook capability language with the bridge contract.
2. Later Hermes UI sessions should replace remaining product copy that still frames normal local operation as manual admin opt-in or read-only.

***

## Session Statistics

* **Tasks**: 18 completed
* **Files Created**: 0 production files
* **Files Modified**: 7 primary deliverables plus impacted tests and fixtures
* **Tests Added**: Focused bridge, parser, and sensitive-read regressions
* **Blockers**: 0 resolved


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