feat: add release pipeline for crates.io and npm publishing

- Add --check, --publish-crates, --publish-npm-sdk, --publish-npm-cli flags to release script
- Create CI workflow with pre-release checks (cargo fmt, clippy, test, tsc)
- Update release workflow to run checks, build binaries, and publish packages
- Add @sandbox-agent/cli npm package with platform-specific binaries (esbuild pattern)
- Configure TypeScript SDK for npm publishing (exports, files, types)
- Add crates.io metadata to Cargo.toml (repository, description)
- Rename @sandbox-agent/web to @sandbox-agent/inspector

docs/frontend.mdx

@@ -3,13 +3,13 @@ title: "Frontend Demo"
 description: "Run the Vite + React UI for testing the daemon."
 ---
 
-The demo frontend lives at `frontend/packages/web`.
+The demo frontend lives at `frontend/packages/inspector`.
 
 ## Run locally
 
 ```bash
 pnpm install
-pnpm --filter @sandbox-agent/web dev
+pnpm --filter @sandbox-agent/inspector dev
 ```
 
 The UI expects: