Merge branch 'feat/test-coverage'

src/viewer/app.py

@@ -629,4 +629,21 @@ def create_app() -> Flask:
                                metrics=metrics, total_selection=len(selection),
                                groups=groups)
 
+    # --- Health check endpoint ---
+    @app.route("/health")
+    def health():
+        from datetime import datetime, timezone
+        ollama_ok = False
+        try:
+            r = requests.get(f"{OLLAMA_URL}/api/tags", timeout=2)
+            ollama_ok = r.status_code == 200
+        except Exception:
+            pass
+        return jsonify({
+            "status": "ok",
+            "version": "2.1.0",
+            "ollama": ollama_ok,
+            "timestamp": datetime.now(timezone.utc).isoformat(),
+        })
+
     return app