Add full Docker image defaults, fix actor deadlocks, and improve dev experience

- Add Dockerfile.full and --all flag to install-agent CLI for pre-built images
- Centralize Docker image constant (FULL_IMAGE) pinned to 0.3.1-full
- Remove examples/shared/Dockerfile{,.dev} and daytona snapshot example
- Expand Docker docs with full runnable Dockerfile
- Fix self-deadlock in createWorkbenchSession (fire-and-forget provisioning)
- Audit and convert 12 task actions from wait:true to wait:false
- Add bun --hot for dev backend hot reload
- Remove --force from pnpm install in dev Dockerfile for faster startup
- Add env_file support to compose.dev.yaml for automatic credential loading
- Add mock frontend compose config and dev panel
- Update CLAUDE.md with wait:true policy and dev environment setup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

examples/persist-sqlite/src/index.ts

@@ -8,7 +8,6 @@ const persist = new SQLiteSessionPersistDriver({ filename: "./sessions.db" });
 console.log("Starting sandbox...");
 const sandbox = await startDockerSandbox({
   port: 3000,
-  setupCommands: ["sandbox-agent install-agent claude", "sandbox-agent install-agent codex"],
 });
 
 const sdk = await SandboxAgent.connect({ baseUrl: sandbox.baseUrl, persist });