feat: add integrated terminal with tab system and theme support

- Add terminal view with draggable split panels and multi-tab support
- Implement terminal WebSocket server with password protection
- Add per-terminal font size that persists when moving between tabs
- Support all 12 app themes with matching terminal colors
- Add keyboard shortcut (Ctrl+`) to toggle terminal view
- Include scrollback buffer for session history on reconnect

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/app/src/components/ui/keyboard-map.tsx

@@ -90,6 +90,7 @@ const SHORTCUT_LABELS: Record<keyof KeyboardShortcuts, string> = {
   context: "Context",
   settings: "Settings",
   profiles: "AI Profiles",
+  terminal: "Terminal",
   toggleSidebar: "Toggle Sidebar",
   addFeature: "Add Feature",
   addContextFile: "Add Context File",
@@ -100,6 +101,9 @@ const SHORTCUT_LABELS: Record<keyof KeyboardShortcuts, string> = {
   cyclePrevProject: "Prev Project",
   cycleNextProject: "Next Project",
   addProfile: "Add Profile",
+  splitTerminalRight: "Split Right",
+  splitTerminalDown: "Split Down",
+  closeTerminal: "Close Terminal",
 };
 
 // Categorize shortcuts for color coding
@@ -110,6 +114,7 @@ const SHORTCUT_CATEGORIES: Record<keyof KeyboardShortcuts, "navigation" | "ui" |
   context: "navigation",
   settings: "navigation",
   profiles: "navigation",
+  terminal: "navigation",
   toggleSidebar: "ui",
   addFeature: "action",
   addContextFile: "action",
@@ -120,6 +125,9 @@ const SHORTCUT_CATEGORIES: Record<keyof KeyboardShortcuts, "navigation" | "ui" |
   cyclePrevProject: "action",
   cycleNextProject: "action",
   addProfile: "action",
+  splitTerminalRight: "action",
+  splitTerminalDown: "action",
+  closeTerminal: "action",
 };
 
 // Category colors