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# Implementation Summary

**Session ID**: `phase19-session01-mission-control-write` **Completed**: 2026-06-02 **Duration**: 0.3 hours

***

## Overview

Mission Control was added to the Hermes surface as a full write and orchestration tab. The session delivered the Mission tab wiring, the focused Mission Control component, live and demo mode coverage, and browser coverage for the admin-disabled path.

***

## Deliverables

### Files Created

| File                                                                                   | Purpose                                                                                             | Lines |
| -------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | ----- |
| `src/components/hermes/hermes-mission-control.tsx`                                     | Mission Control tab UI, state rendering, create/optimize/tick/clear controls, and mutation feedback | \~560 |
| `src/components/hermes/__tests__/hermes-mission-control.test.tsx`                      | Focused component tests for mission state, admin gating, forms, writes, rollback, and confirmation  | \~280 |
| `.spec_system/specs/phase19-session01-mission-control-write/IMPLEMENTATION_SUMMARY.md` | Session closeout summary                                                                            | \~60  |

### Files Modified

| File                                                       | Changes                                                                          |
| ---------------------------------------------------------- | -------------------------------------------------------------------------------- |
| `src/components/hermes/hermes-read-only-page.tsx`          | Added Mission tab trigger, content panel, demo wiring, and component integration |
| `src/components/hermes/__tests__/hermes-sections.test.tsx` | Extended page mode-matrix coverage for Mission tab live and demo transitions     |
| `tests/e2e/hermes-agent.spec.ts`                           | Added mocked browser route coverage for Mission and admin-disabled affordance    |

***

## Technical Decisions

1. **Mission Control stayed modular**: the tab was ported into a focused Hermes component instead of copying the v2.3 monolith.
2. **All writes remained hook-mediated**: create, optimize, tick, and clear stay behind `useHermesAdmin` with bounded feedback and existing bridge safety.

***

## Test Results

| Metric   | Value |
| -------- | ----- |
| Tests    | 120   |
| Passed   | 120   |
| Coverage | N/A   |

***

## Lessons Learned

1. Query invalidation keeps Mission state fresh without adding direct fetches.
2. The admin-disabled browser path is useful for proving write affordances stay inert in demo or non-admin modes.

***

## Future Considerations

Items for future sessions:

1. Complete the Documents Gallery write surface in Session 02.
2. Keep the Hermes tab mode-matrix updated as more write-capable tabs land.

***

## Session Statistics

* **Tasks**: 22 completed
* **Files Created**: 3
* **Files Modified**: 3
* **Tests Added**: 3
* **Blockers**: 0 resolved


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