- Added `--no-lsp` CLI flag to disable LSP tools, formatting, diagnostics, and warmup for a session.
- Added `enableLsp` option to session configuration for programmatic control of LSP features.
- Added `enableLsp` property to ToolSession interface to propagate LSP state to tools.
- Modified tool filtering logic to exclude LSP tool when disabled.
- Disabled LSP for subtasks spawned via the task tool.