feat: implement plugin architecture and application settings with Svelte UI

- Added plugin base and loader for backend extensibility
- Implemented application settings management with config persistence
- Created Svelte-based frontend with Dashboard and Settings pages
- Added API routes for plugins, tasks, and settings
- Updated documentation and specifications
- Improved project structure and developer tools

test_update_yamls.py

@@ -1,63 +1,63 @@
-# [DEF:test_update_yamls:Module]
-#
-# @SEMANTICS: test, yaml, update, script
-# @PURPOSE:   Test script to verify update_yamls behavior.
-# @LAYER:     Test
-# @RELATION:  DEPENDS_ON -> superset_tool.utils.fileio
-# @PUBLIC_API: main
-
-# [SECTION: IMPORTS]
-import tempfile
-import os
-from pathlib import Path
-import yaml
-from superset_tool.utils.fileio import update_yamls
-# [/SECTION]
-
-# [DEF:main:Function]
-# @PURPOSE: Main test function.
-# @RELATION: CALLS -> update_yamls
-def main():
-    # Create a temporary directory structure
-    with tempfile.TemporaryDirectory() as tmpdir:
-        tmp_path = Path(tmpdir)
-        
-        # Create a mock dashboard directory structure
-        dash_dir = tmp_path / "dashboard"
-        dash_dir.mkdir()
-        
-        # Create a mock metadata.yaml file
-        metadata_file = dash_dir / "metadata.yaml"
-        metadata_content = {
-            "dashboard_uuid": "12345",
-            "database_name": "Prod Clickhouse",
-            "slug": "test-dashboard"
-        }
-        with open(metadata_file, 'w') as f:
-            yaml.dump(metadata_content, f)
-        
-        print("Original metadata.yaml:")
-        with open(metadata_file, 'r') as f:
-            print(f.read())
-        
-        # Test update_yamls
-        db_configs = [
-            {
-                "old": {"database_name": "Prod Clickhouse"},
-                "new": {"database_name": "DEV Clickhouse"}
-            }
-        ]
-        
-        update_yamls(db_configs=db_configs, path=str(dash_dir))
-        
-        print("\nAfter update_yamls:")
-        with open(metadata_file, 'r') as f:
-            print(f.read())
-
-    print("Test completed.")
-# [/DEF:main]
-
-if __name__ == "__main__":
-    main()
-
-# [/DEF:test_update_yamls]
+# [DEF:test_update_yamls:Module]
+#
+# @SEMANTICS: test, yaml, update, script
+# @PURPOSE:   Test script to verify update_yamls behavior.
+# @LAYER:     Test
+# @RELATION:  DEPENDS_ON -> superset_tool.utils.fileio
+# @PUBLIC_API: main
+
+# [SECTION: IMPORTS]
+import tempfile
+import os
+from pathlib import Path
+import yaml
+from superset_tool.utils.fileio import update_yamls
+# [/SECTION]
+
+# [DEF:main:Function]
+# @PURPOSE: Main test function.
+# @RELATION: CALLS -> update_yamls
+def main():
+    # Create a temporary directory structure
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        
+        # Create a mock dashboard directory structure
+        dash_dir = tmp_path / "dashboard"
+        dash_dir.mkdir()
+        
+        # Create a mock metadata.yaml file
+        metadata_file = dash_dir / "metadata.yaml"
+        metadata_content = {
+            "dashboard_uuid": "12345",
+            "database_name": "Prod Clickhouse",
+            "slug": "test-dashboard"
+        }
+        with open(metadata_file, 'w') as f:
+            yaml.dump(metadata_content, f)
+        
+        print("Original metadata.yaml:")
+        with open(metadata_file, 'r') as f:
+            print(f.read())
+        
+        # Test update_yamls
+        db_configs = [
+            {
+                "old": {"database_name": "Prod Clickhouse"},
+                "new": {"database_name": "DEV Clickhouse"}
+            }
+        ]
+        
+        update_yamls(db_configs=db_configs, path=str(dash_dir))
+        
+        print("\nAfter update_yamls:")
+        with open(metadata_file, 'r') as f:
+            print(f.read())
+
+    print("Test completed.")
+# [/DEF:main]
+
+if __name__ == "__main__":
+    main()
+
+# [/DEF:test_update_yamls]