Fix hash computation to exclude version/tags metadata

The publish dialog adds version and tags fields that aren't stored in
the local config.yaml. Exclude these from hash computation so the
hash comparison works correctly.

Also use Tool.to_dict() for consistent hash computation.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/cmdforge/gui/pages/tools_page.py

@@ -46,8 +46,14 @@ def get_tool_publish_state(tool_name: str) -> Tuple[str, Optional[str]]:
         if not registry_hash:
             return ("local", None)
 
-        # Compute current hash (excluding hash fields)
-        current_hash = compute_config_hash(config)
+        # Compute hash the same way as publish: load Tool object and use to_dict()
+        # This ensures we compare the same normalized representation
+        tool = load_tool(tool_name)
+        if tool:
+            current_hash = compute_config_hash(tool.to_dict())
+        else:
+            # Fallback to raw config if Tool can't be loaded
+            current_hash = compute_config_hash(config)
 
         if current_hash != registry_hash:
             return ("modified", registry_hash)
@@ -473,15 +479,23 @@ class ToolsPage(QWidget):
             # Get status from registry
             status_data = client.get_my_tool_status(tool_name)
             new_status = status_data.get("status", "pending")
+            new_hash = status_data.get("config_hash")
 
             # Update local config
             config_data = yaml.safe_load(config_path.read_text()) or {}
             old_status = config_data.get("registry_status", "pending")
+            old_hash = config_data.get("registry_hash")
 
+            changed = False
             if old_status != new_status:
                 config_data["registry_status"] = new_status
-                config_path.write_text(yaml.dump(config_data, default_flow_style=False, sort_keys=False))
+                changed = True
+            if new_hash and old_hash != new_hash:
+                config_data["registry_hash"] = new_hash
+                changed = True
 
+            if changed:
+                config_path.write_text(yaml.dump(config_data, default_flow_style=False, sort_keys=False))
                 self.refresh()
                 if new_status == "approved":
                     self.main_window.show_status(f"Tool '{tool_name}' has been approved!")

src/cmdforge/hash_utils.py

@@ -26,7 +26,12 @@ def compute_config_hash(config: Dict[str, Any], exclude_fields: Optional[list] =
         Hash string in format "sha256:<64-char-hex>"
     """
     if exclude_fields is None:
-        exclude_fields = ['published_hash', 'registry_hash']
+        # Exclude registry metadata and publication metadata from hash
+        # These fields are added during publish but aren't part of tool content
+        exclude_fields = [
+            'published_hash', 'registry_hash', 'registry_status',  # registry metadata
+            'version', 'tags',  # publication metadata (added by publish dialog)
+        ]
 
     # Create a copy without excluded fields
     config_copy = {k: v for k, v in config.items() if k not in exclude_fields}