Fix publish flow and consolidate My Tools view

- Make publish endpoint idempotent: return success if same content
  already exists instead of VERSION_EXISTS error (fixes retry issues)
- Always refresh tools page after publish dialog closes
- Consolidate My Tools page to group versions by tool name
- Show version count and list instead of separate rows per version
- Sum downloads across all versions for accurate totals

Co-Authored-By: Claude Opus 4.5 <[email protected]>

src/cmdforge/gui/pages/tools_page.py

@@ -648,8 +648,11 @@ class ToolsPage(QWidget):
         tool_name = self._current_tool.name  # Save before refresh clears it
         from ..dialogs.publish_dialog import PublishDialog
         dialog = PublishDialog(self, self._current_tool)
-        if dialog.exec():
-            self.refresh()  # Refresh to show updated publish state indicator
+        result = dialog.exec()
+        # Always refresh after dialog closes - tool config may have been updated
+        # even if user canceled (e.g., server processed request before client timeout)
+        self.refresh()
+        if result:
             self.main_window.show_status(f"Published '{tool_name}'")
 
     def _sync_tool_status(self):