chore: fix all biome lint errors

- Auto-fix string concatenation → template literals
- Remove unused imports
- Prefix unused function with underscore
- Format fixes across multiple files

packages/cli-workflow/package.json

@@ -1,7 +1,10 @@
 {
   "name": "@uncaged/cli-workflow",
   "version": "0.3.16",
-  "files": ["dist", "package.json"],
+  "files": [
+    "dist",
+    "package.json"
+  ],
   "type": "module",
   "bin": {
     "uncaged-workflow": "src/cli.ts"
@@ -20,4 +23,4 @@
   "scripts": {
     "test": "bun test"
   }
-}
+}