[kimi] feat: add agent_state message producer (#669) (#698)

src/infrastructure/presence.py

@@ -5,6 +5,7 @@ into the camelCase world-state payload consumed by the Workshop 3D renderer
 and WebSocket gateway.
 """
 
+import time
 from datetime import UTC, datetime
 
 
@@ -40,3 +41,58 @@ def serialize_presence(presence: dict) -> dict:
         "updatedAt": presence.get("liveness", datetime.now(UTC).strftime("%Y-%m-%dT%H:%M:%SZ")),
         "version": presence.get("version", 1),
     }
+
+
+# ---------------------------------------------------------------------------
+# Status mapping: ADR-023 current_focus → Matrix agent status
+# ---------------------------------------------------------------------------
+_STATUS_KEYWORDS: dict[str, str] = {
+    "thinking": "thinking",
+    "speaking": "speaking",
+    "talking": "speaking",
+    "idle": "idle",
+}
+
+
+def _derive_status(current_focus: str) -> str:
+    """Map a free-text current_focus value to a Matrix status enum.
+
+    Returns one of: online, idle, thinking, speaking.
+    """
+    focus_lower = current_focus.lower()
+    for keyword, status in _STATUS_KEYWORDS.items():
+        if keyword in focus_lower:
+            return status
+    if current_focus and current_focus != "idle":
+        return "online"
+    return "idle"
+
+
+def produce_agent_state(agent_id: str, presence: dict) -> dict:
+    """Build a Matrix-compatible ``agent_state`` message from presence data.
+
+    Parameters
+    ----------
+    agent_id:
+        Unique identifier for the agent (e.g. ``"timmy"``).
+    presence:
+        Raw ADR-023 presence dict.
+
+    Returns
+    -------
+    dict
+        Message with keys ``type``, ``agent_id``, ``data``, and ``ts``.
+    """
+    return {
+        "type": "agent_state",
+        "agent_id": agent_id,
+        "data": {
+            "display_name": presence.get("display_name", agent_id.title()),
+            "role": presence.get("role", "assistant"),
+            "status": _derive_status(presence.get("current_focus", "idle")),
+            "mood": presence.get("mood", "calm"),
+            "energy": presence.get("energy", 0.5),
+            "bark": presence.get("bark", ""),
+        },
+        "ts": int(time.time()),
+    }