fix: resolve Setup Wizard and Gallery dialog bugs

- Fix recursion error in GalleryDialog by blocking signals during session filter updates
- Fix missing 'avatar_name' field in SetupWizard by registering the field properly
- Both dialogs should now work without errors

ui/gallery_dialog.py

@@ -340,6 +340,9 @@ class GalleryDialog(QDialog):
     def _load_sessions(self):
         """Load sessions for filter dropdown."""
         current = self.session_filter.currentData()
+        
+        # Block signals to prevent recursion
+        self.session_filter.blockSignals(True)
         self.session_filter.clear()
         self.session_filter.addItem("All Sessions", None)
 
@@ -364,6 +367,9 @@ class GalleryDialog(QDialog):
                     self.session_filter.setCurrentIndex(idx)
         except Exception:
             pass
+        finally:
+            # Re-enable signals
+            self.session_filter.blockSignals(False)
 
     def _on_filter_changed(self):
         """Handle filter changes."""

ui/setup_wizard.py

@@ -115,6 +115,9 @@ class AvatarNamePage(QWizardPage):
         form_layout.addRow("Avatar Name:", self.name_input)
         layout.addLayout(form_layout)
         
+        # Register field for wizard access
+        self.registerField("avatar_name*", self.name_input)
+        
         layout.addSpacing(10)
         
         # Example