feat(ui): enable TimelineDialog with full-text search across all message roles in one session (#1104)

* feat: register open_timeline_dialog shortcut (mod+t)

* feat: enhance TimelineDialog with full-text search across all roles

* feat: add open_timeline_dialog shortcut labels to all locales

* feat: wire TimelineDialog into ChatContainer

* fix: add setTimelineDialogOpen to hook dependency array

* fix: tighten timeline dialog interactions

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/hooks/useKeyboardShortcuts.ts

@@ -30,6 +30,7 @@ export const useKeyboardShortcuts = () => {
   const setActiveMainTab = useUIStore((s) => s.setActiveMainTab);
   const setSettingsDialogOpen = useUIStore((s) => s.setSettingsDialogOpen);
   const setModelSelectorOpen = useUIStore((s) => s.setModelSelectorOpen);
+  const setTimelineDialogOpen = useUIStore((s) => s.setTimelineDialogOpen);
   const toggleExpandedInput = useUIStore((s) => s.toggleExpandedInput);
   const shortcutOverrides = useUIStore((s) => s.shortcutOverrides);
   const { themeMode, setThemeMode } = useThemeSystem();
@@ -61,6 +62,12 @@ export const useKeyboardShortcuts = () => {
         return;
       }
 
+      if (eventMatchesShortcut(e, combo('open_timeline_dialog'))) {
+        e.preventDefault();
+        setTimelineDialogOpen(true);
+        return;
+      }
+
       if (eventMatchesShortcut(e, combo('open_status'))) {
         e.preventDefault();
         void showOpenCodeStatus();
@@ -430,6 +437,7 @@ export const useKeyboardShortcuts = () => {
     setActiveMainTab,
     setSettingsDialogOpen,
     setModelSelectorOpen,
+    setTimelineDialogOpen,
     toggleExpandedInput,
     setThemeMode,
     working,