> 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/phase25-session04-multi-goal-authoring-preview-ui/implementation_summary.md).

# Implementation Summary

**Session ID**: `phase25-session04-multi-goal-authoring-preview-ui` **Completed**: 2026-06-08 **Duration**: 0.5 hours

***

## Overview

Implemented multi-goal Mission Control authoring with bounded manual draft helpers, deterministic payload conversion, optimized preview projection, and preview commit/discard handling. The session also aligned the phase tracking artifacts, added focused helper and component coverage, and finalized the session validation record.

***

## Deliverables

### Files Created

| File                                                                                             | Purpose                                                                                             | Lines |
| ------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------- | ----- |
| `src/lib/hermes-mission-authoring.ts`                                                            | Manual draft defaults, row helpers, validation, payload conversion, and preview projection helpers. | \~391 |
| `src/lib/__tests__/hermes-mission-authoring.test.ts`                                             | Unit coverage for draft bounds, payload conversion, and preview projection.                         | \~212 |
| `.spec_system/specs/phase25-session04-multi-goal-authoring-preview-ui/validation.md`             | Session validation record.                                                                          | \~80  |
| `.spec_system/specs/phase25-session04-multi-goal-authoring-preview-ui/IMPLEMENTATION_SUMMARY.md` | This session summary.                                                                               | \~80  |

### Files Modified

| File                                                              | Changes                                                                                                                     |
| ----------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------- |
| `src/components/hermes/hermes-mission-control.tsx`                | Replaced single-goal create state with multi-goal authoring, added optimized preview state, and wired commit/discard flows. |
| `src/components/hermes/__tests__/hermes-mission-control.test.tsx` | Added component coverage for manual authoring, preview rendering, commit/discard, disabled gates, and duplicate prevention. |
| `src/lib/hermes-mission-planning.ts`                              | Exported shared mission bounds so manual and import validation stay aligned.                                                |
| `.spec_system/state.json`                                         | Marked the session complete and advanced the session history.                                                               |
| `.spec_system/PRD/phase_25/PRD_phase_25.md`                       | Updated phase progress and session tracker status.                                                                          |
| `package.json`                                                    | Incremented the patch version.                                                                                              |

***

## Technical Decisions

1. **Shared bounds in `hermes-mission-planning.ts`**: Manual authoring and import parsing use the same mission limits to avoid contract drift.
2. **Local preview before commit**: Optimize now stores a preview candidate locally so commit remains an explicit operator action.
3. **Deterministic row ordering**: Goal rows keep stable ids and payload order so tests and UI behavior remain predictable.

***

## Test Results

| Metric   | Value |
| -------- | ----- |
| Tests    | 24    |
| Passed   | 24    |
| Coverage | N/A   |

***

## Lessons Learned

1. Keep mission contract limits centralized when multiple flows share the same validation rules.
2. Preview-state separation makes it easier to preserve admin-gated writes without hiding the optimized candidate from operators.

***

## Future Considerations

1. Session 05 should reuse the preview and authoring helpers where possible to keep `full_prompt` drawer behavior consistent.
2. Any future mission-write surface should continue to refresh through query invalidation rather than ad hoc bridge reads.

***

## Session Statistics

* **Tasks**: 20 completed
* **Files Created**: 4
* **Files Modified**: 6
* **Tests Added**: 2
* **Blockers**: 0 resolved


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