Wrap stream() in try/catch to prevent silent failures.
On exception, log the error and yield a structured error event:
['type' => 'error', 'message' => string]
Adds tests for connection errors, runtime exceptions, error event
format, and Log::error invocation. Closes ERR-001 in TODO.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
P2 Items Completed (P2-062 to P2-068):
- Switch AgentApiKey from SHA-256 to Argon2id hashing
- Add 200+ tests for models, services, and AI providers
- Create agent_plans migration with phases and workspace states
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>