feat: Phase 4 — CLI (@uncaged/cli-json-cas)

- Full CLI: init, bootstrap, schema (put/get/list/validate),
  put, get, has, verify, list, refs, walk, hash, cat
- --store flag, --json compact output, --format tree
- biome override: noConsole off for CLI package
- 64 tests passing

Closes #6
小橘 <xiaoju@shazhou.work>

package.json

@@ -6,6 +6,7 @@
   ],
   "devDependencies": {
     "@biomejs/biome": "^2.0.0",
+    "bun-types": "^1.3.14",
     "typescript": "^5.8.0"
   },
   "scripts": {