chore: install openagent opencode

Signed-off-by: Dmytro Stanchiev <git@dmytros.dev>

.opencode/context/ui/terminal/navigation.md

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+<!-- Context: ui/navigation | Priority: critical | Version: 1.0 | Updated: 2026-02-15 -->
+
+# Terminal UI Context
+
+**Purpose**: Terminal UI (TUI) patterns, CLI animations, and command-line interface design
+
+**Last Updated**: 2026-01-07
+
+---
+
+## Overview
+
+This subcategory will contain patterns and best practices for building terminal user interfaces using libraries like Ink, Blessed, and native terminal capabilities.
+
+---
+
+## Planned Content
+
+### Core Files (Future)
+
+| File | Description | Priority |
+|------|-------------|----------|
+| `tui-patterns.md` | Terminal UI component patterns and layouts | high |
+| `cli-animations.md` | Terminal animations, spinners, progress bars | high |
+| `ink-components.md` | React Ink component patterns | medium |
+| `blessed-patterns.md` | Blessed.js patterns and widgets | medium |
+| `terminal-styling.md` | ANSI colors, chalk, terminal theming | medium |
+
+### Planned Topics
+
+- **Layout patterns**: Boxes, borders, flexbox-like layouts
+- **Interactive components**: Menus, forms, selects, inputs
+- **Progress indicators**: Spinners, progress bars, loading states
+- **Terminal animations**: Frame-based animations, smooth transitions
+- **Color and styling**: ANSI escape codes, chalk, gradient text
+- **Keyboard handling**: Key bindings, shortcuts, navigation
+- **Terminal detection**: Capability detection, fallbacks
+
+---
+
+## Example Libraries
+
+### React-based TUI
+- **Ink** - React for CLIs
+- **Pastel** - React-like TUI framework
+
+### Traditional TUI
+- **Blessed** - High-level terminal interface library
+- **Blessed-contrib** - Widgets for blessed (charts, gauges)
+- **Terminal-kit** - Comprehensive terminal manipulation
+
+### Styling
+- **Chalk** - Terminal string styling
+- **Gradient-string** - Gradient colors in terminal
+- **Boxen** - Create boxes in terminal
+
+### Progress/Animation
+- **Ora** - Elegant terminal spinners
+- **CLI-progress** - Progress bars
+- **Listr** - Terminal task lists
+
+---
+
+## Usage
+
+**When this subcategory is populated**, use it for:
+- Building CLI tools with rich interfaces
+- Creating terminal-based dashboards
+- Implementing interactive command-line applications
+- Adding animations and progress indicators to CLI tools
+
+---
+
+## Related Categories
+
+- `ui/web/` - Web UI patterns
+- `development/` - General development patterns
+
+---
+
+## Status
+
+⏳ **Placeholder** - This subcategory is planned but not yet populated. 
+
+To contribute content here, follow the MVI principles:
+1. Extract core concepts (1-3 sentences)
+2. List key points (3-5 bullets)
+3. Provide minimal example
+4. Link to full documentation
+
+---
+
+## Used By
+
+**Agents**: cli-developer, terminal-specialist, devops-specialist (future)