feat: テレメトリ機能を追加し、アプリの起動・終了時にイベントを送信するように変更

src-python/models/telemetry/heartbeat.py

@@ -0,0 +1,53 @@
+"""
+Heartbeat スレッド管理
+- 5分間隔でアクティブ確認
+- 操作なしで5分経過したら送信停止
+"""
+from datetime import datetime
+from threading import Thread, Event
+import time
+
+
+class HeartbeatManager:
+    INTERVAL = 300  # 5 minutes
+    TIMEOUT = 300   # 5 minutes
+    
+    def __init__(self, state, core, schedule_async):
+        self.state = state
+        self.core = core
+        self.schedule_async = schedule_async
+        self.thread = None
+        self._stop_event = Event()
+    
+    def start(self):
+        """Heartbeat スレッド開始"""
+        if self.thread is not None and self.thread.is_alive():
+            return
+        self._stop_event.clear()
+        self.thread = Thread(target=self._run, daemon=True, name="telemetry_heartbeat")
+        self.thread.start()
+    
+    def stop(self):
+        """Heartbeat スレッド停止"""
+        self._stop_event.set()
+        if self.thread is not None:
+            self.thread.join(timeout=1.0)
+            self.thread = None
+    
+    def _run(self):
+        """Heartbeat ループ"""
+        while not self._stop_event.is_set():
+            time.sleep(self.INTERVAL)
+
+            if not self.state.is_enabled():
+                continue
+
+            last_activity = self.state.get_last_activity()
+            if last_activity is None:
+                continue
+
+            elapsed = (datetime.now() - last_activity).total_seconds()
+            if elapsed < self.TIMEOUT:
+                # アクティブなら heartbeat 送信（非同期スケジュール）
+                if self.core.client is not None:
+                    self.schedule_async(self.core.send_event("session_heartbeat"))