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Patrick Buckley
ee8dc7c1c3
Collapse the three hand-synced "raw storage -> render shape" projections into one server-side projection. The projection previously lived in a test-only `_build_history` (SSE-era reference impl), a client-side JS normaliser (`history_normalize.js`, the transitional bridge), and coord's inline `init()` handling -- drifting silently with no parity test. Add `project_history_messages` to `history_decoration.py` and run it as the final step of the `make_history_handler` pipeline (load_messages -> decorate -> extract_reasoning -> project), so `GET /history` emits the canonical render shape directly: flat tool_calls (with verdict / output_assessment), top-level source / reminders / attachments, collapsed multipart content, derived denied / is_error / pending, reasoning, and advisories. Interactive `replayHistory` now consumes the payload verbatim. Close two gaps the JS bridge deferred: - list-content <tool_output> advisory extraction (decorate handles only string content; the projection extracts list-carrier advisories, then joins remaining text parts to the string the renderers require); - orphan->pending marks ONLY the last orphan tool-call turn, so a mid-conversation cancelled tool still renders instead of vanishing. Delete `history_normalize.js` (+ its <script> tag and node test) and the test-only `_build_history` (+ orphaned imports); retarget its direct tests onto the projection helpers. Update the WorkstreamHistoryResponse description and the Web UI Resilience architecture note to the projected shape. Coord's `init()` still reads the raw side-channels; migrating it to the projected shape is the next commit, browser-verified separately. Refs #549.