> 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/phase01-session05-websocket-hydration-and-archive-export-privacy/implementation_summary.md). # Implementation Summary **Session ID**: `phase01-session05-websocket-hydration-and-archive-export-privacy` **Package**: Cross-package (`apps/server`, `apps/web`, `packages/protocol`) **Completed**: 2026-05-29 **Duration**: 1.0 hours *** ## Overview Hardened the local WebSocket, export, archive, replay, and documentation surfaces for Phase 01 Session 05. The server now validates WebSocket client messages before dispatch, rejects malformed socket frames without crashing or mutating manager state, prevents duplicate approval responses from one socket lifecycle, redacts local archive writes, and emits redacted CSV/JSON session exports with stable schemas and privacy headers. The web client now drops malformed incoming frames, redacts and bounds generated replay-share payloads, and surfaces export schema/privacy metadata in download results and toasts. *** ## Deliverables ### Files Created | File | Purpose | | --------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | | `apps/server/src/ws/clientMessageValidation.ts` | Schema validation and compact invalid-message mapping for WebSocket client messages | | `apps/server/src/lib/sessionPrivacy.ts` | Deterministic redaction helpers for export and archive boundaries | | `apps/server/tests/websocket.test.ts` | WebSocket hydration, malformed-message, duplicate-response, valid-message, and disconnect coverage | | `apps/web/tests/wsClientPrivacy.test.ts` | Web frame filtering, replay redaction, and export header/error coverage | | `.spec_system/specs/phase01-session05-websocket-hydration-and-archive-export-privacy/implementation-notes.md` | Session implementation log and verification record | | `.spec_system/specs/phase01-session05-websocket-hydration-and-archive-export-privacy/IMPLEMENTATION_SUMMARY.md` | Session closure summary | ### Files Modified | File | Changes | | ----------------------------------------- | ------------------------------------------------------------------------------------------ | | `apps/server/src/ws/handlers.ts` | Validated raw socket input before dispatch and added duplicate approval guards | | `apps/server/src/ws/broadcaster.ts` | Added one-shot socket cleanup with listener removal | | `apps/server/src/lib/sessionArchive.ts` | Applied redacted archive boundary and compact one-time failure warnings | | `apps/server/src/lib/exportSession.ts` | Redacted CSV and JSON export values while preserving schema shape | | `apps/server/src/routes/export.ts` | Added shared option validation, privacy/cache headers, and no-echo invalid responses | | `apps/server/tests/exportSession.test.ts` | Added redaction and schema-stability coverage | | `apps/server/tests/exportRoute.test.ts` | Added invalid option, no raw echo, redacted response, and header coverage | | `apps/web/src/store/useWsClient.ts` | Added incoming frame parser, malformed-frame drop path, closed fallback, and timer cleanup | | `apps/web/src/lib/exportSession.ts` | Read schema/privacy headers, bounded error bodies, and hardened download cleanup | | `apps/web/src/lib/replayLink.ts` | Added replay event guard, redaction, and per-event byte cap | | `packages/protocol/tests/events.test.ts` | Locked hydration order and client-message vocabulary | | `packages/protocol/README_protocol.md` | Documented protocol ownership of WebSocket message shapes | | `docs/api/README_api.md` | Updated concise WebSocket/export privacy behavior | | `docs/api/event-api-hook-contracts.md` | Updated detailed WebSocket, export, archive, and replay contract status | | `docs/privacy-and-security.md` | Updated data inventory, controls, and retained risks | | `apps/server/README_server.md` | Updated server WebSocket, export, and archive notes | | `package.json` | Bumped project version from `0.1.27` to `0.1.28` | | `package-lock.json` | Bumped lockfile versions from `0.1.27` to `0.1.28` | | `packages/protocol/src/index.ts` | Bumped exported runtime version from `0.1.27` to `0.1.28` | *** ## Test Results | Check | Result | | ------------------ | ------------------------- | | Focused Vitest | PASS - 7 files, 113 tests | | Protocol typecheck | PASS | | Server typecheck | PASS | | Web typecheck | PASS | | Biome check | PASS | | `git diff --check` | PASS | | ASCII validation | PASS for touched files | | LF validation | PASS for touched files | *** ## Notes * No hosted service, remote relay, analytics provider, LLM provider, or database became required. * Exports, archives, and replay links are safer local artifacts, but docs still avoid calling them hosted-safe or share-safe. * Session validated and marked complete in Phase 01 tracking. * Next workflow step: plan Session 06 because Phase 01 still has unfinished sessions. --- # Agent Instructions This documentation is published with GitBook. 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