feat(matrix): add adapter baseline and platform-aware command hints

adapter/matrix/store.py

@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+from core.store import StateStore
+
+ROOM_META_PREFIX = "matrix_room:"
+USER_META_PREFIX = "matrix_user:"
+ROOM_STATE_PREFIX = "matrix_state:"
+SKILLS_MSG_PREFIX = "matrix_skills_msg:"
+
+
+async def get_room_meta(store: StateStore, room_id: str) -> dict | None:
+    return await store.get(f"{ROOM_META_PREFIX}{room_id}")
+
+
+async def set_room_meta(store: StateStore, room_id: str, meta: dict) -> None:
+    await store.set(f"{ROOM_META_PREFIX}{room_id}", meta)
+
+
+async def get_user_meta(store: StateStore, matrix_user_id: str) -> dict | None:
+    return await store.get(f"{USER_META_PREFIX}{matrix_user_id}")
+
+
+async def set_user_meta(store: StateStore, matrix_user_id: str, meta: dict) -> None:
+    await store.set(f"{USER_META_PREFIX}{matrix_user_id}", meta)
+
+
+async def get_room_state(store: StateStore, room_id: str) -> str:
+    data = await store.get(f"{ROOM_STATE_PREFIX}{room_id}")
+    return data["state"] if data else "idle"
+
+
+async def set_room_state(store: StateStore, room_id: str, state: str) -> None:
+    await store.set(f"{ROOM_STATE_PREFIX}{room_id}", {"state": state})
+
+
+async def get_skills_message_id(store: StateStore, room_id: str) -> str | None:
+    data = await store.get(f"{SKILLS_MSG_PREFIX}{room_id}")
+    return data["event_id"] if data else None
+
+
+async def set_skills_message_id(store: StateStore, room_id: str, event_id: str) -> None:
+    await store.set(f"{SKILLS_MSG_PREFIX}{room_id}", {"event_id": event_id})
+
+
+async def next_chat_id(store: StateStore, matrix_user_id: str) -> str:
+    meta = await get_user_meta(store, matrix_user_id) or {}
+    index = int(meta.get("next_chat_index", 1))
+    meta["next_chat_index"] = index + 1
+    await set_user_meta(store, matrix_user_id, meta)
+    return f"C{index}"