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>

tsconfig.json

@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "types": ["bun-types"],
     "target": "ES2022",
     "module": "ESNext",
     "moduleResolution": "bundler",