fix(ci): satisfy ts-imports and regenerate image models

Use .ts relative import in webui server for pi's check:ts-imports policy
and regenerate image-models.generated.ts to remove duplicate model keys.

Co-authored-by: Cursor <cursoragent@cursor.com>

.pi/agent/extensions/webui/server.ts

@@ -31,7 +31,7 @@ import {
   setWebuiConfig,
   setWebuiConfigMany,
   writeWebuiAvatarSettings,
-} from "./db.js";
+} from "./db.ts";
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const PUBLIC_DIR = join(__dirname, "dist");