> For the complete documentation index, see [llms.txt](https://faction-os.gitbook.io/faction-os-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faction-os.gitbook.io/faction-os-docs/.spec_system/archive/sessions/phase02-session06-settings-replay-notifications-and-scan-ux/implementation_summary.md).

# Implementation Summary

**Session ID**: `phase02-session06-settings-replay-notifications-and-scan-ux` **Package**: Cross-cutting (`apps/web`, `apps/server`, docs) **Completed**: 2026-05-29 **Duration**: 2-4 hours

***

## Overview

This session hardened the privacy-sensitive auxiliary cockpit surfaces around the main hero and battlefield workflows. It improved settings recovery, replay/share copy, notification outcome handling, local export feedback, and approved-root scan UX while preserving the Phase 01 redaction boundary and updating stable docs.

***

## Deliverables

### Files Created

| File                                                                                                       | Purpose                                                                              | Lines |
| ---------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ | ----- |
| `apps/web/src/lib/scanCodebase.ts`                                                                         | Testable scan request, response, and compact failure-copy helpers                    | \~160 |
| `apps/web/tests/scanCodebase.test.ts`                                                                      | Focused scan helper coverage for allowlist, redaction, response, and failure mapping | \~140 |
| `.spec_system/specs/phase02-session06-settings-replay-notifications-and-scan-ux/IMPLEMENTATION_SUMMARY.md` | Session closeout summary                                                             | \~80  |
| `.spec_system/specs/phase02-session06-settings-replay-notifications-and-scan-ux/validation.md`             | Validation report for session closeout                                               | \~220 |

### Files Modified

| File                                         | Changes                                                                                                            |
| -------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| `apps/web/src/components/SettingsDrawer.tsx` | Improved settings reset, notification, scan, replay entry, copy, accessible labels, and transient status behavior  |
| `apps/web/src/components/ReplayPanel.tsx`    | Clarified redacted local-only share posture, malformed/empty states, and duplicate-action feedback                 |
| `apps/web/src/components/CommandPalette.tsx` | Kept export commands honest about local-server dependency and in-flight state                                      |
| `apps/web/src/lib/notifications.ts`          | Normalized notification outcomes and test-action feedback without implying push backend delivery                   |
| `apps/web/src/lib/useNotifications.ts`       | Preserved opt-in delivery and reset stale notification baselines                                                   |
| `apps/web/src/lib/replayLink.ts`             | Kept malformed link handling, hash stripping, payload caps, and replay-share redaction visible and testable        |
| `apps/web/src/lib/exportSession.ts`          | Bounded export error copy, preserved local auth headers, and surfaced schema/privacy headers in toasts             |
| `apps/web/src/store/useSettingsStore.ts`     | Hardened persisted snapshot normalization, partial-key tolerance, reset behavior, and storage-unavailable handling |
| `apps/server/tests/llm.test.ts`              | Verified scan-root failure envelopes stay compact and do not leak raw roots                                        |
| `apps/server/tests/exportRoute.test.ts`      | Verified export route privacy headers and invalid-format envelopes remain compact                                  |
| `apps/web/tests/SettingsScan.test.tsx`       | Covered scan UI empty, invalid, denied, offline, success, issue-count, and sanitized failure states                |
| `apps/web/tests/useSettingsStore.test.ts`    | Covered malformed, stale, partial, storage-unavailable, and reset persistence cases                                |
| `apps/web/tests/notifications.test.ts`       | Covered notification support, permission, throttled, delivered, and constructor-failure outcomes                   |
| `apps/web/tests/replayLink.test.ts`          | Covered malformed shared links, event caps, redaction, and consumed hash behavior                                  |
| `apps/web/tests/exportSession.test.ts`       | Covered export failure copy, privacy headers, server offline, and download cleanup                                 |
| `apps/web/README_web.md`                     | Documented current settings, replay, notification, export, and scan UX contract                                    |
| `apps/server/README_server.md`               | Documented scan-root and export boundaries used by web UX                                                          |
| `docs/api/README_api.md`                     | Refreshed scan/export API behavior, privacy headers, and compact error guidance                                    |
| `docs/privacy-and-security.md`               | Refreshed browser settings, replay, export, notifications, and scan privacy posture                                |
| `docs/development.md`                        | Refreshed localStorage, `FACTIONOS_SCAN_ROOTS`, notification, and export development notes                         |
| `.spec_system/PRD/phase_02/PRD_phase_02.md`  | Marked Session 06 complete and updated phase progress                                                              |
| `.spec_system/state.json`                    | Cleared the current session and recorded completion                                                                |
| `package.json`                               | Bumped the root patch version                                                                                      |

***

## Technical Decisions

1. **Boundary-specific helpers**: Scan, replay, notification, and export copy each stayed helper-owned so sensitive failure paths remain testable and compact.
2. **Local-first error mapping**: User-facing failures were translated into bounded local messages instead of echoing raw server bodies, paths, or tokens.

***

## Test Results

| Metric   | Value            |
| -------- | ---------------- |
| Tests    | 5 command groups |
| Passed   | 5                |
| Coverage | N/A              |

***

## Lessons Learned

1. Reopenable settings and replay surfaces need explicit state normalization so stale browser storage does not leak into the UI.
2. Approved-root and export boundary errors are easier to keep safe when the UI consumes compact, schema-checked helpers instead of raw response bodies.

***

## Future Considerations

Items for future sessions:

1. Keep the settings, replay, export, and scan docs aligned if the local runtime contract changes again.
2. Use the Session 07 validation closeout to confirm the Phase 02 product surface is ready for handoff.

***

## Session Statistics

* **Tasks**: 21 completed
* **Files Created**: 4
* **Files Modified**: 20+
* **Tests Added**: 8
* **Blockers**: 0 resolved


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