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feat: Implement lightweight UDP interactive UI for Neovim

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- Rewrote gemini-ui.lua to send native Neovim prompt selections, Ghost Text diff accept/reject actions, and smart context highlighting directly to the backend via zero-latency UDP port 3002, entirely replacing the old xecute_agent terminal subprocesses.
- Added prompt_user and preview_diff extmark lua functions for non-destructive diff review.
- Updated the Rust backend mcp-memory-server UDP listener to ingest the new gent_ask and interactive schema payloads and route them to the EventBus.
- Updated README.md and instructions.md with UDP documentation.
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Riz Ashraf committed 2026-09-29 08:59:23 +01:00
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instructions.md
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@@ -112,8 +112,9 @@ To maintain absolute traceability, we link memory items directly to the exact gi
## 15. Neovim Integration & God Mode
The project contains two MCP binaries (win-nvim and linux-nvim) that bridge JSON-RPC over stdio directly to the active Neovim instance (using `active_nvim.txt` for Last Focused Wins telemetry). If no interactive instance is open, they will automatically spawn and connect to a persistent headless Neovim background instance. **Note on Visual Engagement:** While the headless instance is perfect for autonomous/background tasks, if the task involves collaborative "pair programming" or requires the user's visual review, you should pause and request the user to open a Neovim UI before proceeding.
- These binaries expose basic tools (`nvim_get_cursor`, `nvim_get_active_buffer`, `nvim_list_buffers`, etc.).
The project contains two MCP binaries (win-nvim and linux-nvim) that bridge JSON-RPC over stdio directly to the active Neovim instance.
- **Interactive UI (UDP):** The active editor connects to the backend via UDP (port 3002). The UI script (`gemini-ui.lua`) supports non-destructive **Ghost Text Diff Reviews** and native `vim.ui` prompts without spawning subprocesses. You can trigger these interactively using the backend server.
- **Tools:** These binaries expose basic tools (`nvim_get_cursor`, `nvim_get_active_buffer`, `nvim_list_buffers`, etc.).
- **God Mode**: They also expose `nvim_execute_lua`. This is the ultimate fallback tool. If you need to access *any* Neovim API that does not have a dedicated Rust tool (e.g., getting LSP diagnostics, evaluating a visual selection block based on modes, setting registers), you MUST write a short Lua script and pass it to `nvim_execute_lua`. Do not attempt to recompile the Rust server to add new basic tools; use the Lua escape hatch dynamically.
## 16. Tool Schema Discovery (Lazy Loading)