{
  "version": "1.0",
  "timestamp": "2026-04-19T18:21:44.189Z",
  "phase": "04",
  "phase_name": "Matrix MVP: shared agent context and context management commands",
  "phase_dir": ".planning/phases/04-matrix-mvp-shared-agent-context-and-context-management-comma",
  "plan": null,
  "task": null,
  "total_tasks": null,
  "status": "paused",
  "completed_tasks": [
    {"id": 1, "name": "fix(sdk): correct WebSocket URL — /agent_ws/?thread_id= instead of /v1/agent_ws/{id}/", "status": "done", "commit": "fbcf449"},
    {"id": 2, "name": "docs: README runbook for Matrix + platform-agent setup, feature status table", "status": "done", "commit": "b333146"},
    {"id": 3, "name": "feat(matrix): !reset via new platform_chat_id — no platform endpoint needed", "status": "done", "commit": "73c472e"}
  ],
  "remaining_tasks": [
    {"id": 4, "name": "File ingestion MVP — inline text content for text/code/PDF files", "status": "not_started"},
    {"id": 5, "name": "Execute original Phase 4 plans (04-01, 04-02, 04-03) if still relevant", "status": "not_started"}
  ],
  "blockers": [
    {"description": "!save/!load cross-chat broken — StateBackend files are per thread_id, not shared", "type": "external", "workaround": "inform user; full fix requires FilesystemBackend in platform-agent"},
    {"description": "tokens_used always 0 — platform-agent hardcodes MsgEventEnd(tokens_used=0)", "type": "external", "workaround": "none until platform fixes it"},
    {"description": "File attachments — no upload API, StateBackend has no upload_files support", "type": "external", "workaround": "inline text content for text/code/PDF (MVP)"}
  ],
  "human_actions_pending": [
    {"action": "Send platform team the file upload ТЗ (POST /upload endpoint, python-multipart, aiofiles)", "context": "Documented in session — 3 files, ~20 lines total change on their side", "blocking": false},
    {"action": "Ask platform team to fix tokens_used in MsgEventEnd (hardcoded 0)", "context": "One line fix in external/platform-agent/src/api/external.py", "blocking": false}
  ],
  "decisions": [
    {"decision": "!reset assigns new platform_chat_id (matrix:!roomId#timestamp) instead of calling /reset endpoint", "rationale": "thread_id in LangGraph is just a string key — new ID = fresh context, no platform changes needed", "phase": "04"},
    {"decision": "AgentApiWrapper._build_ws_url uses /agent_ws/?thread_id={chat_id}", "rationale": "platform-agent only exposes /agent_ws/ with thread_id query param, not path segments", "phase": "04"},
    {"decision": "StateBackend is platform-agent default — no real /workspace filesystem exists", "rationale": "create_deep_agent() called without backend param defaults to StateBackend (in-memory)", "phase": "04"},
    {"decision": "platform-agent is a 6-commit prototype — no Docker, no isolation, MemorySaver in-memory", "rationale": "Intentional placeholder while Master + LXC infra is built by platform team", "phase": "04"}
  ],
  "uncommitted_files": [],
  "next_action": "File ingestion MVP: handle Matrix m.file/m.image events, inline text content for text/code/PDF, honest decline for binary/images",
  "context_notes": "Session was architectural investigation + 3 hotfixes. Key finding: platform-agent is much more primitive than assumed (StateBackend not FilesystemBackend, no Docker, singleton process). All 3 fixes are committed and pushed to feat/matrix-direct-agent-prototype (now 29 commits ahead of main). 163 tests green."
}