Update search examples

src/callbacks.py

@@ -169,14 +169,14 @@ def register_callbacks(app, search_service: SearchService):
         [Input("example-1", "n_clicks"),
          Input("example-2", "n_clicks"),
          Input("example-3", "n_clicks"),
+         Input("example-4", "n_clicks"),
          Input("example-5", "n_clicks"),
          Input("example-6", "n_clicks"),
-         Input("example-7", "n_clicks"),
          Input("example-8", "n_clicks")],
         [State("search-button", "n_clicks")],
         prevent_initial_call=True
     )
-    def trigger_search_from_examples(click1, click2, click3, click5, click6, click7, click8, current_clicks):
+    def trigger_search_from_examples(click1, click2, click3, click4, click5, click6, click8, current_clicks):
         """Trigger search when example buttons are clicked."""
         ctx = callback_context
         if not ctx.triggered:
@@ -186,11 +186,11 @@ def register_callbacks(app, search_service: SearchService):
 
         example_queries = {
             "example-1": "Two edge-on galaxies",
-            "example-2": "A peculiar interacting galaxy system featuring plenty of tidal tails and a disturbed morphology",
+            "example-2": "Interacting galaxies with tidal tails",
             "example-3": "galaxy with stream",
+            "example-4": "galaxy with spiral arms",
             "example-5": "A violent merger in progress with visible tidal features",
             "example-6": "Low surface brightness",
-            "example-7": "A face-on spiral with ring-like circular structure around a core",
             "example-8": "a bursty, star forming galaxy"
         }
 
@@ -260,6 +260,14 @@ def register_callbacks(app, search_service: SearchService):
         if not query or not query.strip():
             return "", dbc.Alert("Please enter a search query", color="warning"), None, True, True, None
 
+        hint = ""
+        if query.strip().casefold() == "spiral galaxy":
+            hint = dbc.Alert(
+                'you might want to try "galaxy with spiral arms"',
+                color="warning",
+                className="mb-3 text-center"
+            )
+
         # Generate unique request_id for this search
         request_id = uuid.uuid4().hex
 
@@ -327,7 +335,7 @@ def register_callbacks(app, search_service: SearchService):
                 "rmag_max": rmag_max
             }
 
-            return "", results_container, search_data, False, False, search_params
+            return hint, results_container, search_data, False, False, search_params
 
         except Exception as e:
             error_msg = dbc.Alert(f"Search failed: {str(e)}", color="danger")

src/components.py

@@ -581,12 +581,12 @@ def create_search_container():
                                  id="example-2", className="example-button me-2 mb-2", size="sm", color="light"),
                         dbc.Button([html.I(className="fas fa-stream me-2"), "Stream"],
                                  id="example-3", className="example-button me-2 mb-2", size="sm", color="light"),
+                        dbc.Button([html.I(className="fas fa-hurricane me-2"), "Spiral Galaxy"],
+                                 id="example-4", className="example-button me-2 mb-2", size="sm", color="light"),
                         dbc.Button([html.I(className="fas fa-explosion me-2"), "A violent merger"],
                                  id="example-5", className="example-button me-2 mb-2", size="sm", color="light"),
                         dbc.Button([html.I(className="fas fa-moon me-2"), "Low surface brightness"],
                                  id="example-6", className="example-button me-2 mb-2", size="sm", color="light"),
-                        dbc.Button([html.I(className="fas fa-ring me-2"), "Ring-like structure"],
-                                 id="example-7", className="example-button me-2 mb-2", size="sm", color="light"),
                         dbc.Button([html.I(className="fas fa-star me-2"), "A bursty, star forming galaxy"],
                                  id="example-8", className="example-button mb-2", size="sm", color="light")
                     ], className="text-center")