- Add agent module with tool execution support (read_file, edit_file, bash)
- Add agent/ui.lua with chat sidebar, input area, and real-time logs panel
- Add agent/logs.lua for token counting and request/response logging
- Add generate_with_tools to claude.lua and ollama.lua for tool use
- Add chat_switcher.lua modal picker for Ask/Agent mode selection
- Add CoderType command to show mode switcher (replaces C-Tab keymaps)
- Update ask.lua and agent/ui.lua headers to reference :CoderType
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Carlos Gutierrez
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