Add matched training signals, daily recovery and performance analysis

tests/test_web_sync.py

@@ -10,7 +10,36 @@ from garminconnect import GarminConnectAuthenticationError
 from app import create_app
 from app.extensions import db
 from app.models import GarminConnection, User
-from app.sync import run_due, session_lock
+from app.sync import cipher, run_due, session_lock
+
+
+def test_optional_recovery_failure_does_not_break_activity_sync(connected, monkeypatch):
+    app, _client, _api, _sync = connected
+    def failed_health(*_args):
+        raise RuntimeError("PRIVATE-PROVIDER-RESPONSE")
+    monkeypatch.setattr("app.recovery.sync_health", failed_health)
+    with app.app_context():
+        connection = db.session.scalar(db.select(GarminConnection))
+        connection.health_enabled = True
+        db.session.commit()
+        assert run_due() == 1
+        assert connection.failures == 0 and connection.last_success
+        assert "Activity sync completed" in connection.health_message
+        assert "PRIVATE-PROVIDER" not in connection.health_message
+
+
+def test_recovery_login_failure_preserves_encrypted_session(connected):
+    app, _client, api, _sync = connected
+    api.login.side_effect = RuntimeError("PRIVATE-LOGIN-RESPONSE")
+    with app.app_context():
+        original = db.session.scalar(db.select(GarminConnection)).tokens
+    result = app.test_cli_runner().invoke(args=["backfill-health", "--email", "owner@example.test", "--days", "2"])
+    assert result.exit_code == 1 and "PRIVATE-LOGIN" not in result.output
+    with app.app_context():
+        connection = db.session.scalar(db.select(GarminConnection))
+        assert connection.tokens == original
+        assert not connection.health_enabled
+        assert cipher().decrypt(connection.tokens.encode())
 
 
 @pytest.fixture