claude-integration

Low-level AI CLI spawn mechanics used by ralphctl's provider adapters — headless / interactive spawn, the file-based contract (signals.json + sessionId files), idle-stdout watchdog, exponential rate-limit backoff, and session resume for in-flight recovery. Use when modifying src/integration/ai/providers/{claude,copilot,codex,opencode,grok}/ or src/integration/ai/providers/_engine/, debugging stdin hangs / slow…