Fix: handle file paths correctly for generated graphs

eda/pages/00_Graph_Generation.py

@@ -349,12 +349,36 @@ if just_generated and generated_path:
     
     # Convert to Path and handle both absolute and relative paths
     gen_path = PathLib(generated_path)
-    if gen_path.is_absolute():
+    
+    # Check if file exists as absolute path
+    if gen_path.is_absolute() and gen_path.exists():
         # Absolute path - make it relative to parent_dir
-        selected_json = str(gen_path.relative_to(parent_dir))
+        try:
+            selected_json = str(gen_path.relative_to(parent_dir))
+        except ValueError:
+            # If not relative to parent_dir, use the path as is but show name only
+            selected_json = str(gen_path)
     else:
-        # Already relative - use as is
-        selected_json = str(gen_path).replace('\\', '/')
+        # Relative path - could be relative to eda/ or parent_dir
+        # Try to find the file
+        possible_paths = [
+            parent_dir / generated_path,  # Relative to /app
+            parent_dir / "eda" / generated_path,  # Relative to /app/eda
+            Path.cwd() / generated_path,  # Relative to current directory
+        ]
+        
+        found_path = None
+        for p in possible_paths:
+            if p.exists():
+                found_path = p
+                break
+        
+        if found_path:
+            selected_json = str(found_path.relative_to(parent_dir))
+            gen_path = found_path
+        else:
+            # Fallback to the original path
+            selected_json = str(gen_path).replace('\\', '/')
     
     st.info(f"📊 **Ready to analyze**: `{gen_path.name}` (just generated)")