- Add adapter layer with normalize_input/format_output per tool
- Define common internal payload and verdict formats
- Map event names across tools (PreToolUse/BeforeTool)
- Map payload fields across tools (tool_name, tool_input, cwd)
- Adapter-specific response formatting:
- Claude: hookSpecificOutput.permissionDecision
- Gemini: flat decision field
- Codex: exit code 2 + stderr for deny
- Shell shim takes --adapter flag to select tool
- install.sh auto-detects all installed tools and registers hooks
- Hook registration examples for all three tools
- Add adapters/ directory to daemon source tree
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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