Ed Zynda f42d487214 add Yaegi-based in-process extension system with event handlers, tool/command registration, and styled output ...

Implement a Pi-style extension system where plain .go files are loaded at
runtime via Yaegi. Extensions register typed event handlers against 13
lifecycle events (tool_call, tool_result, input, before_agent_start, etc.)
using concrete-type-only API methods to avoid Yaegi interface panics.

Key capabilities:
- Tool interception: block calls, modify results (wrapper pattern)
- Input handling: transform or fully handle user input (skip agent)
- System prompt injection via BeforeAgentStartResult
- Custom tool and slash command registration
- Styled output: ctx.Print, PrintInfo, PrintError, PrintBlock
- Legacy hooks.yml compatibility via adapter
- Auto-discovery from ~/.config/kit/extensions/ and .kit/extensions/
- CLI: kit extensions list|validate|init, --no-extensions, -e flags
- 58 unit tests covering runner, loader (Yaegi), wrapper, events

2026-02-27 00:08:48 +03:00

..

tool-logger.go

add Yaegi-based in-process extension system with event handlers, tool/command registration, and styled output

2026-02-27 00:08:48 +03:00