feat: test signal via avatar/indicator tap on main screen

Tapping user avatar or network indicator sends a test signal with
geo data. Backend formats it as "Тест от username" (🧪) instead of
"Сигнал" (🚨). Only active after login on main screen.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/main.py

@@ -229,6 +229,13 @@ async def signal(
         if geo
         else "Гео нету"
     )
+    if body.is_test:
+        text = (
+            f"🧪 Тест от {user_name}\n"
+            f"⏰ {ts.strftime('%H:%M:%S')} UTC\n"
+            f"{geo_info}"
+        )
+    else:
         text = (
             f"🚨 Сигнал от {user_name}\n"
             f"⏰ {ts.strftime('%H:%M:%S')} UTC\n"

backend/models.py

@@ -25,6 +25,7 @@ class SignalRequest(BaseModel):
     user_id: Optional[str] = None  # UUID for legacy api_key auth; omit for JWT auth
     timestamp: int = Field(..., gt=0)
     geo: Optional[GeoData] = None
+    is_test: bool = False
 
 
 class SignalResponse(BaseModel):

frontend/app.js

@@ -203,6 +203,33 @@ function _setSosState(state) {
   btn.disabled = state === 'sending';
 }
 
+async function _handleTestSignal() {
+  if (!navigator.onLine) {
+    _setStatus('Нет соединения.', 'error');
+    return;
+  }
+  const token = _getAuthToken();
+  if (!token) return;
+
+  _setStatus('', '');
+  try {
+    const geo = await _getGeo();
+    const body = { timestamp: Date.now(), is_test: true };
+    if (geo) body.geo = geo;
+    await _apiPost('/api/signal', body, { Authorization: 'Bearer ' + token });
+    _setStatus('Тест отправлен', 'success');
+    setTimeout(() => _setStatus('', ''), 1500);
+  } catch (err) {
+    if (err && err.status === 401) {
+      _clearAuth();
+      _setStatus('Сессия истекла. Войдите заново.', 'error');
+      setTimeout(() => _showOnboarding(), 1500);
+    } else {
+      _setStatus('Ошибка отправки.', 'error');
+    }
+  }
+}
+
 async function _handleSignal() {
   if (!navigator.onLine) {
     _setStatus('Нет соединения. Проверьте сеть и попробуйте снова.', 'error');
@@ -297,6 +324,20 @@ function _showMain() {
     btn.addEventListener('click', _handleSignal);
     btn.dataset.listenerAttached = '1';
   }
+
+  // Avatar and network indicator → test signal (only on main screen)
+  const avatar = document.getElementById('user-avatar');
+  if (avatar && !avatar.dataset.testAttached) {
+    avatar.addEventListener('click', _handleTestSignal);
+    avatar.dataset.testAttached = '1';
+    avatar.style.cursor = 'pointer';
+  }
+  const indicator = document.getElementById('indicator-network');
+  if (indicator && !indicator.dataset.testAttached) {
+    indicator.addEventListener('click', _handleTestSignal);
+    indicator.dataset.testAttached = '1';
+    indicator.style.cursor = 'pointer';
+  }
 }
 
 // ========== Service Worker ==========