Create declarative modals using the modal library API. Covers modal types (confirm, input, select, form), sections (Text, Buttons, Input, Textarea, Checkbox, List, When, Custom), rendering with OverlayModal, and keyboard/mouse handling. Use when adding modals or dialogs to the application.

Create new sidecar plugins implementing the plugin.Plugin interface, rendering views with Bubble Tea, handling keyboard input via keymap contexts, and integrating with the app shell (footer hints, event bus, adapters). Use when creating a new plugin, modifying plugin architecture, or debugging plugin rendering/lifecycle issues. See references/ for sidebar list and fixed footer layout details.

Create prompts for sidecar workspaces. Covers prompt structure (name, ticketMode, body), template variables (ticket with fallbacks), config file locations (global vs project), and scope overrides. Use when creating or modifying prompts in sidecar config files.

Create custom color themes for Sidecar, including base theme selection, color overrides, gradient borders, tab styles, per-project themes, community themes, and programmatic theme registration. Use when creating or modifying themes, adjusting UI appearance, or debugging color/style issues. See references/palette-reference.md for the full color palette with all keys and per-theme values.

Drag-and-drop pane resizing implementation for two-pane plugin layouts. Covers mouse event handling via the internal/mouse package, hit region registration, drag delta calculation, width clamping, state persistence, and pane layout management. Use when working on pane resizing, drag interactions, layout management, or adding drag-to-resize to a new plugin.

Inline text editing implementation within the file browser preview pane using tmux PTY backend, cursor movement, text manipulation, and editor state management. Covers entry/exit lifecycle, dimension calculations, confirmation dialogs, click-away detection, mouse forwarding, and app-level key routing. Use when working on inline editing features, text input components, or debugging editor rendering/input issues in the file browser plugin.

Reference for keyboard shortcut implementation, keybinding registration, shortcut parity with vim and other TUI tools, and the complete shortcut assignment table across all sidecar plugins. Use when adding or modifying keyboard shortcuts, checking shortcut assignments, resolving key conflicts, or assessing alignment with vim conventions.

Profile memory usage in sidecar using Go pprof, system tools, and heap analysis. Covers identifying memory leaks, goroutine leaks, file descriptor accumulation, and CPU profiling. Use when investigating memory issues, profiling performance, debugging memory leaks, or diagnosing unresponsive plugins.

Project switching implementation in sidecar: project discovery, state management, UI flow, modal rendering, filtering, theme preview, and plugin reinitialization. Use when working on the project switcher feature, project management, worktree switching, or the project configuration system.

Interactive shell/TTY integration with tmux session management, shell command execution, and output capture in sidecar. Covers the tty package, key mapping, adaptive polling, cursor rendering, scrolling, paste handling, and inline editing. Use when working on shell integration, tmux features, command execution, or interactive mode.

Writing and maintaining the Sidecar Docusaurus documentation site, including page structure, doc authoring, blog posts, styling, images, and deployment workflow. Use when writing documentation, updating the docs site, adding pages or blog posts, or working with Docusaurus configuration.