fix a bit time logic and refresh of the graph

dashboard/callbacks/charts.py

@@ -103,6 +103,11 @@ def register_chart_callbacks(app):
             triggered_id = ctx.triggered_id
             logger.debug(f"Update_price_chart triggered by: {triggered_id}")
 
+            # If the update is from the interval and the chart is locked, do nothing.
+            if triggered_id == 'interval-component' and analysis_mode == 'locked':
+                logger.debug("Analysis mode is 'locked'. Skipping interval-based chart update.")
+                return no_update, no_update
+
             days_back, status_message = calculate_time_range(
                 time_range_quick, custom_start_date, custom_end_date, analysis_mode, n_intervals
             )
@@ -208,6 +213,21 @@ def register_chart_callbacks(app):
             error_status = f"❌ Error: {str(e)}"
             return error_fig, error_status
 
+    @app.callback(
+        Output('analysis-mode-toggle', 'value'),
+        Input('price-chart', 'relayoutData'),
+        State('analysis-mode-toggle', 'value'),
+        prevent_initial_call=True
+    )
+    def auto_lock_chart_on_interaction(relayout_data, current_mode):
+        """Automatically switch to 'locked' mode when the user zooms or pans."""
+        # relayout_data is triggered by zoom/pan actions.
+        if relayout_data and 'xaxis.range' in relayout_data:
+            if current_mode != 'locked':
+                logger.debug("User chart interaction detected (zoom/pan). Switching to 'locked' analysis mode.")
+                return 'locked'
+        return no_update
+
     # Strategy selection callback - automatically load strategy indicators
     @app.callback(
         [Output('overlay-indicators-checklist', 'value'),