meetings and knowledge improvements

- Limit Granola sync to 30-day lookback period
- Move Granola and Fireflies sync dirs under knowledge/Meetings/
- Note creation agent links to source meeting notes in activity entries
- Note creation agent links to Gmail threads via web URL
- Add Meetings to note type definitions with recursive tag scanning
- Tagging agent extracts meeting metadata (date, source, attendees, title, topic)
- Clicking Knowledge with no tab open auto-opens Bases view

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/x/apps/renderer/src/App.tsx

@@ -3514,7 +3514,11 @@ function App() {
 
   return (
     <TooltipProvider delayDuration={0}>
-      <SidebarSectionProvider defaultSection="tasks">
+      <SidebarSectionProvider defaultSection="tasks" onSectionChange={(section) => {
+        if (section === 'knowledge' && !selectedPath && !isGraphOpen) {
+          void navigateToView({ type: 'file', path: BASES_DEFAULT_TAB_PATH })
+        }
+      }}>
         <div className="flex h-svh w-full overflow-hidden">
           {/* Content sidebar with SidebarProvider for collapse functionality */}
           <SidebarProvider