Claude goal/background-subagent live adapter proof
Linux; Claude Code 2.1.303; @anthropic-ai/claude-agent-sdk 0.3.276; model claude-sonnet-5-5.
Production ClaudeAdapterV2 connected to the real SDK, disposable synthetic sample.js workspace.
No running T3 HTTP/WebSocket server or rendered client was involved.

Goal status: active
Review subagent: running
Root turn 1 terminal: completed; goal=active; subagent statuses=['running']
Review subagent: completed
Goal status: complete
Root turn 2 terminal: completed; goal=complete; subagent statuses=['completed']

Replay negative control: against exact origin/main production adapter, 2 retained cases fail (actual complete, expected active).
Fixed adapter: 289 tests pass in ClaudeAdapterV2.test.ts.
Not verified: full web/server RPC integration, macOS, Windows, Electron desktop, iOS, Android.