fix: send world state snapshot on WS client connect (#390)

Co-authored-by: Kimi Agent <kimi@timmy.local>
Co-committed-by: Kimi Agent <kimi@timmy.local>

tests/dashboard/test_world_api.py

@@ -219,3 +219,29 @@ def test_world_ws_endpoint_accepts_connection(client):
     """WebSocket endpoint at /api/world/ws accepts connections."""
     with client.websocket_connect("/api/world/ws"):
         pass  # Connection accepted — just close it
+
+
+def test_world_ws_sends_snapshot_on_connect(client, tmp_path):
+    """WebSocket sends a world_state snapshot immediately on connect."""
+    f = tmp_path / "presence.json"
+    f.write_text(
+        json.dumps(
+            {
+                "version": 1,
+                "liveness": "2026-03-19T02:00:00Z",
+                "mood": "exploring",
+                "current_focus": "testing",
+                "active_threads": [],
+                "recent_events": [],
+                "concerns": [],
+            }
+        )
+    )
+    with patch("dashboard.routes.world.PRESENCE_FILE", f):
+        with client.websocket_connect("/api/world/ws") as ws:
+            msg = json.loads(ws.receive_text())
+
+    assert msg["type"] == "world_state"
+    assert msg["timmyState"]["mood"] == "exploring"
+    assert msg["timmyState"]["activity"] == "testing"
+    assert "updatedAt" in msg