feat: Migrate ESLint to flat config and resolve initial linting errors

Migrated the ESLint configuration to the new flat config format ()
and addressed several initial linting errors.

Key changes include:
- Updated ESLint configuration to treat  as warnings instead of errors.
- Fixed  errors in  by declaring  and .
- Corrected  error in  by using  instead of an out-of-scope .
- Resolved  error in  by replacing the undefined  directive with the  component.
- Addressed  errors in  by replacing  with  and  with .
- Fixed  errors in  by importing necessary modules (, , ) and adding missing props (, , , , ).

ae_app_svelte_tailwind_skeleton.code-workspace

@@ -5,10 +5,8 @@
 		}
 	],
 	"settings": {
-		"cSpell.words": [
-			"filelist"
-		],
+		"cSpell.words": ["filelist"],
 		"git.autofetch": true,
 		"editor.defaultFormatter": "svelte.svelte-vscode"
 	}
-}
+}