diff --git a/apps/x/apps/renderer/src/App.tsx b/apps/x/apps/renderer/src/App.tsx
index 3ac0b24f..d1a6f1fe 100644
--- a/apps/x/apps/renderer/src/App.tsx
+++ b/apps/x/apps/renderer/src/App.tsx
@@ -282,6 +282,7 @@ interface ChatInputInnerProps {
   isProcessing: boolean
   presetMessage?: string
   onPresetMessageConsumed?: () => void
+  runId?: string | null
 }
 
 function ChatInputInner({
@@ -289,6 +290,7 @@ function ChatInputInner({
   isProcessing,
   presetMessage,
   onPresetMessageConsumed,
+  runId,
 }: ChatInputInnerProps) {
   const controller = usePromptInputController()
   const message = controller.textInput.value
@@ -320,8 +322,9 @@ function ChatInputInner({
     <div className="flex items-center gap-2 bg-background border border-border rounded-3xl shadow-xl px-4 py-2.5">
       <PromptInputTextarea
         placeholder="Type your message..."
-        disabled={isProcessing}
         onKeyDown={handleKeyDown}
+        autoFocus
+        focusTrigger={runId}
         className="min-h-6 py-0 border-0 shadow-none focus-visible:ring-0 rounded-none"
       />
       <Button
@@ -350,6 +353,7 @@ interface ChatInputWithMentionsProps {
   isProcessing: boolean
   presetMessage?: string
   onPresetMessageConsumed?: () => void
+  runId?: string | null
 }
 
 function ChatInputWithMentions({
@@ -360,6 +364,7 @@ function ChatInputWithMentions({
   isProcessing,
   presetMessage,
   onPresetMessageConsumed,
+  runId,
 }: ChatInputWithMentionsProps) {
   return (
     <PromptInputProvider knowledgeFiles={knowledgeFiles} recentFiles={recentFiles} visibleFiles={visibleFiles}>
@@ -368,6 +373,7 @@ function ChatInputWithMentions({
         isProcessing={isProcessing}
         presetMessage={presetMessage}
         onPresetMessageConsumed={onPresetMessageConsumed}
+        runId={runId}
       />
     </PromptInputProvider>
   )
@@ -376,6 +382,8 @@ function ChatInputWithMentions({
 function App() {
   // File browser state (for Knowledge section)
   const [selectedPath, setSelectedPath] = useState<string | null>(null)
+  const [fileHistoryBack, setFileHistoryBack] = useState<string[]>([])
+  const [fileHistoryForward, setFileHistoryForward] = useState<string[]>([])
   const [fileContent, setFileContent] = useState<string>('')
   const [editorContent, setEditorContent] = useState<string>('')
   const [tree, setTree] = useState<TreeNode[]>([])
@@ -404,6 +412,7 @@ function App() {
   const [currentReasoning, setCurrentReasoning] = useState<string>('')
   const [, setModelUsage] = useState<LanguageModelUsage | null>(null)
   const [runId, setRunId] = useState<string | null>(null)
+  const runIdRef = useRef<string | null>(null)
   const [isProcessing, setIsProcessing] = useState(false)
   const [agentId] = useState<string>('copilot')
   const [presetMessage, setPresetMessage] = useState<string | undefined>(undefined)
@@ -426,6 +435,11 @@ function App() {
   // Onboarding state
   const [showOnboarding, setShowOnboarding] = useState(false)
 
+  // Keep runIdRef in sync with runId state (for use in event handlers to avoid stale closures)
+  useEffect(() => {
+    runIdRef.current = runId
+  }, [runId])
+
   // Load directory tree
   const loadDirectory = useCallback(async () => {
     try {
@@ -722,15 +736,17 @@ function App() {
   }, [])
 
   // Listen to run events
+  // Listen to run events - use ref to avoid stale closure issues
   useEffect(() => {
     const cleanup = window.ipc.on('runs:events', ((event: unknown) => {
       handleRunEvent(event as RunEventType)
     }) as (event: null) => void)
     return cleanup
-  }, [runId])
+  }, [])
 
   const handleRunEvent = (event: RunEventType) => {
-    if (event.runId !== runId) return
+    // Use ref to get current runId to avoid stale closure issues
+    if (event.runId !== runIdRef.current) return
 
     console.log('Run event:', event.type, event)
 
@@ -1043,6 +1059,7 @@ function App() {
     setRunId(null)
     setMessage('')
     setModelUsage(null)
+    setIsProcessing(false)
     setPendingPermissionRequests(new Map())
     setPendingAskHumanRequests(new Map())
     setAllPermissionRequests(new Map())
@@ -1060,6 +1077,52 @@ function App() {
     setIsGraphOpen(false)
   }, [])
 
+  // File navigation with history tracking
+  const navigateToFile = useCallback((path: string | null) => {
+    if (path === selectedPath) return
+
+    // Push current path to back history (if we have one)
+    if (selectedPath) {
+      setFileHistoryBack(prev => [...prev, selectedPath])
+    }
+    // Clear forward history when navigating to a new file
+    setFileHistoryForward([])
+    setSelectedPath(path)
+  }, [selectedPath])
+
+  const navigateBack = useCallback(() => {
+    if (fileHistoryBack.length === 0) return
+
+    const newBack = [...fileHistoryBack]
+    const previousPath = newBack.pop()!
+
+    // Push current path to forward history
+    if (selectedPath) {
+      setFileHistoryForward(prev => [...prev, selectedPath])
+    }
+
+    setFileHistoryBack(newBack)
+    setSelectedPath(previousPath)
+  }, [fileHistoryBack, selectedPath])
+
+  const navigateForward = useCallback(() => {
+    if (fileHistoryForward.length === 0) return
+
+    const newForward = [...fileHistoryForward]
+    const nextPath = newForward.pop()!
+
+    // Push current path to back history
+    if (selectedPath) {
+      setFileHistoryBack(prev => [...prev, selectedPath])
+    }
+
+    setFileHistoryForward(newForward)
+    setSelectedPath(nextPath)
+  }, [fileHistoryForward, selectedPath])
+
+  const canNavigateBack = fileHistoryBack.length > 0
+  const canNavigateForward = fileHistoryForward.length > 0
+
   // Handle image upload for the markdown editor
   const handleImageUpload = useCallback(async (file: File): Promise<string | null> => {
     try {
@@ -1113,7 +1176,7 @@ function App() {
 
   const toggleExpand = (path: string, kind: 'file' | 'dir') => {
     if (kind === 'file') {
-      setSelectedPath(path)
+      navigateToFile(path)
       setIsGraphOpen(false)
       return
     }
@@ -1297,9 +1360,9 @@ function App() {
   const openWikiLink = useCallback(async (wikiPath: string) => {
     const resolvedPath = await ensureWikiFile(wikiPath)
     if (resolvedPath) {
-      setSelectedPath(resolvedPath)
+      navigateToFile(resolvedPath)
     }
-  }, [ensureWikiFile, setSelectedPath])
+  }, [ensureWikiFile, navigateToFile])
 
   const wikiLinkConfig = React.useMemo(() => ({
     files: knowledgeFiles,
@@ -1601,7 +1664,7 @@ function App() {
                     error={graphStatus === 'error' ? (graphError ?? 'Failed to build graph') : null}
                     onSelectNode={(path) => {
                       setIsGraphOpen(false)
-                      setSelectedPath(path)
+                      navigateToFile(path)
                     }}
                   />
                 </div>
@@ -1614,6 +1677,10 @@ function App() {
                       placeholder="Start writing..."
                       wikiLinks={wikiLinkConfig}
                       onImageUpload={handleImageUpload}
+                      onNavigateBack={navigateBack}
+                      onNavigateForward={navigateForward}
+                      canNavigateBack={canNavigateBack}
+                      canNavigateForward={canNavigateForward}
                     />
                   </div>
                 ) : (
@@ -1715,6 +1782,7 @@ function App() {
                       isProcessing={isProcessing}
                       presetMessage={presetMessage}
                       onPresetMessageConsumed={() => setPresetMessage(undefined)}
+                      runId={runId}
                     />
                   </div>
                 </div>
diff --git a/apps/x/apps/renderer/src/components/ai-elements/prompt-input.tsx b/apps/x/apps/renderer/src/components/ai-elements/prompt-input.tsx
index 37a4f4be..c27ab5c3 100644
--- a/apps/x/apps/renderer/src/components/ai-elements/prompt-input.tsx
+++ b/apps/x/apps/renderer/src/components/ai-elements/prompt-input.tsx
@@ -904,13 +904,18 @@ export const PromptInputBody = ({
 
 export type PromptInputTextareaProps = ComponentProps<
   typeof InputGroupTextarea
->;
+> & {
+  autoFocus?: boolean;
+  focusTrigger?: unknown; // When this value changes, focus the textarea
+};
 
 export const PromptInputTextarea = ({
   onChange,
   className,
   placeholder = "What would you like to know?",
   onKeyDown: externalOnKeyDown,
+  autoFocus = false,
+  focusTrigger,
   ...props
 }: PromptInputTextareaProps) => {
   const controller = useOptionalPromptInputController();
@@ -920,6 +925,17 @@ export const PromptInputTextarea = ({
   const [isComposing, setIsComposing] = useState(false);
 
   const textareaRef = useRef<HTMLTextAreaElement>(null);
+
+  // Auto-focus the textarea when requested or when focusTrigger changes
+  useEffect(() => {
+    if (autoFocus || focusTrigger !== undefined) {
+      // Small delay to ensure the element is fully mounted and visible
+      const timer = setTimeout(() => {
+        textareaRef.current?.focus();
+      }, 50);
+      return () => clearTimeout(timer);
+    }
+  }, [autoFocus, focusTrigger]);
   const containerRef = useRef<HTMLDivElement>(null);
   const highlightRef = useRef<HTMLDivElement>(null);
 
diff --git a/apps/x/apps/renderer/src/components/ai-elements/suggestions.tsx b/apps/x/apps/renderer/src/components/ai-elements/suggestions.tsx
index cd07ed7a..94eed585 100644
--- a/apps/x/apps/renderer/src/components/ai-elements/suggestions.tsx
+++ b/apps/x/apps/renderer/src/components/ai-elements/suggestions.tsx
@@ -51,7 +51,7 @@ export function Suggestions({
   return (
     <div className={cn(
       'flex gap-2',
-      vertical ? 'flex-col items-start' : 'flex-wrap justify-center',
+      vertical ? 'flex-col items-end' : 'flex-wrap justify-center',
       className
     )}>
       {suggestions.map((suggestion) => (
diff --git a/apps/x/apps/renderer/src/components/chat-sidebar.tsx b/apps/x/apps/renderer/src/components/chat-sidebar.tsx
index 0d9a7d7e..4cddfdf0 100644
--- a/apps/x/apps/renderer/src/components/chat-sidebar.tsx
+++ b/apps/x/apps/renderer/src/components/chat-sidebar.tsx
@@ -260,10 +260,16 @@ export function ChatSidebar({
     document.addEventListener('mouseup', handleMouseUp)
   }, [width])
 
-  // Auto-focus textarea when sidebar opens
+  // Auto-focus textarea when sidebar opens or when conversation is cleared (new chat)
   useEffect(() => {
-    textareaRef.current?.focus()
-  }, [])
+    // Focus when conversation is empty (new chat started)
+    if (conversation.length === 0) {
+      const timer = setTimeout(() => {
+        textareaRef.current?.focus()
+      }, 50)
+      return () => clearTimeout(timer)
+    }
+  }, [conversation.length])
 
   // Auto-populate with @currentfile when switching knowledge files
   useEffect(() => {
@@ -584,9 +590,8 @@ export function ChatSidebar({
                 onKeyDown={handleKeyDown}
                 onScroll={syncHighlightScroll}
                 placeholder="Ask anything..."
-                disabled={isProcessing}
                 rows={1}
-                className="relative z-10 w-full bg-transparent text-sm outline-none placeholder:text-muted-foreground disabled:opacity-50 resize-none max-h-32 min-h-6"
+                className="relative z-10 w-full bg-transparent text-sm outline-none placeholder:text-muted-foreground resize-none max-h-32 min-h-6"
                 style={{ fieldSizing: 'content' } as React.CSSProperties}
               />
             </div>
diff --git a/apps/x/apps/renderer/src/components/editor-toolbar.tsx b/apps/x/apps/renderer/src/components/editor-toolbar.tsx
index 48b16156..95853e5c 100644
--- a/apps/x/apps/renderer/src/components/editor-toolbar.tsx
+++ b/apps/x/apps/renderer/src/components/editor-toolbar.tsx
@@ -22,8 +22,8 @@ import {
   MinusIcon,
   LinkIcon,
   CodeSquareIcon,
-  Undo2Icon,
-  Redo2Icon,
+  ChevronLeftIcon,
+  ChevronRightIcon,
   ExternalLinkIcon,
   Trash2Icon,
   ImageIcon,
@@ -33,9 +33,21 @@ interface EditorToolbarProps {
   editor: Editor | null
   onSelectionHighlight?: (range: { from: number; to: number } | null) => void
   onImageUpload?: (file: File) => Promise<void> | void
+  onNavigateBack?: () => void
+  onNavigateForward?: () => void
+  canNavigateBack?: boolean
+  canNavigateForward?: boolean
 }
 
-export function EditorToolbar({ editor, onSelectionHighlight, onImageUpload }: EditorToolbarProps) {
+export function EditorToolbar({
+  editor,
+  onSelectionHighlight,
+  onImageUpload,
+  onNavigateBack,
+  onNavigateForward,
+  canNavigateBack,
+  canNavigateForward,
+}: EditorToolbarProps) {
   const [linkUrl, setLinkUrl] = useState('')
   const [isLinkPopoverOpen, setIsLinkPopoverOpen] = useState(false)
   const fileInputRef = useRef<HTMLInputElement>(null)
@@ -105,24 +117,24 @@ export function EditorToolbar({ editor, onSelectionHighlight, onImageUpload }: E
 
   return (
     <div className="editor-toolbar">
-      {/* Undo / Redo */}
+      {/* Back / Forward Navigation */}
       <Button
         variant="ghost"
         size="icon-sm"
-        onClick={() => editor.chain().focus().undo().run()}
-        disabled={!editor.can().undo()}
-        title="Undo (Ctrl+Z)"
+        onClick={onNavigateBack}
+        disabled={!canNavigateBack}
+        title="Go back"
       >
-        <Undo2Icon className="size-4" />
+        <ChevronLeftIcon className="size-4" />
       </Button>
       <Button
         variant="ghost"
         size="icon-sm"
-        onClick={() => editor.chain().focus().redo().run()}
-        disabled={!editor.can().redo()}
-        title="Redo (Ctrl+Shift+Z)"
+        onClick={onNavigateForward}
+        disabled={!canNavigateForward}
+        title="Go forward"
       >
-        <Redo2Icon className="size-4" />
+        <ChevronRightIcon className="size-4" />
       </Button>
 
       <div className="separator" />
diff --git a/apps/x/apps/renderer/src/components/markdown-editor.tsx b/apps/x/apps/renderer/src/components/markdown-editor.tsx
index 1bda92a9..a65f262a 100644
--- a/apps/x/apps/renderer/src/components/markdown-editor.tsx
+++ b/apps/x/apps/renderer/src/components/markdown-editor.tsx
@@ -30,6 +30,10 @@ interface MarkdownEditorProps {
   placeholder?: string
   wikiLinks?: WikiLinkConfig
   onImageUpload?: (file: File) => Promise<string | null>
+  onNavigateBack?: () => void
+  onNavigateForward?: () => void
+  canNavigateBack?: boolean
+  canNavigateForward?: boolean
 }
 
 type WikiLinkMatch = {
@@ -78,6 +82,10 @@ export function MarkdownEditor({
   placeholder = 'Start writing...',
   wikiLinks,
   onImageUpload,
+  onNavigateBack,
+  onNavigateForward,
+  canNavigateBack,
+  canNavigateForward,
 }: MarkdownEditorProps) {
   const isInternalUpdate = useRef(false)
   const wrapperRef = useRef<HTMLDivElement>(null)
@@ -318,7 +326,15 @@ export function MarkdownEditor({
 
   return (
     <div className="tiptap-editor" onKeyDown={handleKeyDown}>
-      <EditorToolbar editor={editor} onSelectionHighlight={setSelectionHighlight} onImageUpload={handleImageUploadWithPlaceholder} />
+      <EditorToolbar
+        editor={editor}
+        onSelectionHighlight={setSelectionHighlight}
+        onImageUpload={handleImageUploadWithPlaceholder}
+        onNavigateBack={onNavigateBack}
+        onNavigateForward={onNavigateForward}
+        canNavigateBack={canNavigateBack}
+        canNavigateForward={canNavigateForward}
+      />
       <div className="editor-content-wrapper" ref={wrapperRef} onScroll={handleScroll}>
         <EditorContent editor={editor} />
         {wikiLinks ? (
diff --git a/apps/x/apps/renderer/src/components/settings-dialog.tsx b/apps/x/apps/renderer/src/components/settings-dialog.tsx
index ac5a24bf..b60ec736 100644
--- a/apps/x/apps/renderer/src/components/settings-dialog.tsx
+++ b/apps/x/apps/renderer/src/components/settings-dialog.tsx
@@ -137,7 +137,6 @@ export function SettingsDialog({ children }: SettingsDialogProps) {
       <DialogTrigger asChild>{children}</DialogTrigger>
       <DialogContent
         className="!max-w-[900px] w-[900px] h-[600px] p-0 gap-0 overflow-hidden"
-        showCloseButton={false}
       >
         <div className="flex h-full">
           {/* Sidebar */}
diff --git a/apps/x/packages/core/src/auth/providers.ts b/apps/x/packages/core/src/auth/providers.ts
index 1cf703d6..b6afe2a2 100644
--- a/apps/x/packages/core/src/auth/providers.ts
+++ b/apps/x/packages/core/src/auth/providers.ts
@@ -62,7 +62,7 @@ const providerConfigs: ProviderConfig = {
     },
     scopes: [
       'https://www.googleapis.com/auth/gmail.readonly',
-      'https://www.googleapis.com/auth/calendar.readonly',
+      'https://www.googleapis.com/auth/calendar.events.readonly',
       'https://www.googleapis.com/auth/drive.readonly',
     ],
   },
diff --git a/apps/x/packages/core/src/config/security.ts b/apps/x/packages/core/src/config/security.ts
index c2b4f9fb..9419e76e 100644
--- a/apps/x/packages/core/src/config/security.ts
+++ b/apps/x/packages/core/src/config/security.ts
@@ -6,7 +6,6 @@ export const SECURITY_CONFIG_PATH = path.join(WorkDir, "config", "security.json"
 
 const DEFAULT_ALLOW_LIST = [
     "cat",
-    "curl",
     "date",
     "echo",
     "grep",
diff --git a/apps/x/packages/core/src/knowledge/note_creation_high.ts b/apps/x/packages/core/src/knowledge/note_creation_high.ts
index 9363206c..81d14dcf 100644
--- a/apps/x/packages/core/src/knowledge/note_creation_high.ts
+++ b/apps/x/packages/core/src/knowledge/note_creation_high.ts
@@ -997,6 +997,12 @@ If new info contradicts existing:
 
 ## 9a: Meetings — Create and Update Notes
 
+**IMPORTANT: Write sequentially, one file at a time.**
+- Generate content for exactly one note.
+- Issue exactly one \`write\` command.
+- Wait for the tool to return before generating the next note.
+- Do NOT batch multiple \`write\` commands in a single response.
+
 **For new entities (meetings only):**
 \`\`\`bash
 executeCommand("write '{knowledge_folder}/People/Jennifer.md' '{content}'")
@@ -1103,6 +1109,7 @@ If you discovered new name variants during resolution, add them to Aliases field
 - Be concise: one line per activity entry
 - Note state changes with \`[Field → value]\` in activity
 - Escape quotes properly in shell commands
+- Write only one file per response (no multi-file write batches)
 
 ---
 
diff --git a/apps/x/packages/core/src/knowledge/note_creation_low.ts b/apps/x/packages/core/src/knowledge/note_creation_low.ts
index 02eae480..ac8239f9 100644
--- a/apps/x/packages/core/src/knowledge/note_creation_low.ts
+++ b/apps/x/packages/core/src/knowledge/note_creation_low.ts
@@ -553,6 +553,12 @@ Before writing:
 
 ## 9a: Create and Update Notes
 
+**IMPORTANT: Write sequentially, one file at a time.**
+- Generate content for exactly one note.
+- Issue exactly one \`write\` command.
+- Wait for the tool to return before generating the next note.
+- Do NOT batch multiple \`write\` commands in a single response.
+
 **For new entities:**
 \`\`\`bash
 executeCommand("write '{knowledge_folder}/People/Jennifer.md' '{content}'")
@@ -579,6 +585,7 @@ Add newly discovered name variants to Aliases field.
 - Use YYYY-MM-DD format for dates
 - Be concise: one line per activity entry
 - Escape quotes properly in shell commands
+- Write only one file per response (no multi-file write batches)
 
 ---
 
diff --git a/apps/x/packages/core/src/knowledge/note_creation_medium.ts b/apps/x/packages/core/src/knowledge/note_creation_medium.ts
index 297e19fc..746d4fac 100644
--- a/apps/x/packages/core/src/knowledge/note_creation_medium.ts
+++ b/apps/x/packages/core/src/knowledge/note_creation_medium.ts
@@ -906,6 +906,12 @@ If new info contradicts existing:
 
 ## 9a: Create and Update Notes
 
+**IMPORTANT: Write sequentially, one file at a time.**
+- Generate content for exactly one note.
+- Issue exactly one \`write\` command.
+- Wait for the tool to return before generating the next note.
+- Do NOT batch multiple \`write\` commands in a single response.
+
 **For new entities (meetings and qualifying emails):**
 \`\`\`bash
 executeCommand("write '{knowledge_folder}/People/Jennifer.md' '{content}'")
@@ -941,6 +947,7 @@ If you discovered new name variants during resolution, add them to Aliases field
 - Be concise: one line per activity entry
 - Note state changes with \`[Field → value]\` in activity
 - Escape quotes properly in shell commands
+- Write only one file per response (no multi-file write batches)
 
 ---
 
diff --git a/apps/x/packages/core/src/knowledge/sync_calendar.ts b/apps/x/packages/core/src/knowledge/sync_calendar.ts
index f2719357..46ec2e1e 100644
--- a/apps/x/packages/core/src/knowledge/sync_calendar.ts
+++ b/apps/x/packages/core/src/knowledge/sync_calendar.ts
@@ -11,7 +11,7 @@ const SYNC_DIR = path.join(WorkDir, 'calendar_sync');
 const SYNC_INTERVAL_MS = 5 * 60 * 1000; // Check every 5 minutes
 const LOOKBACK_DAYS = 14;
 const REQUIRED_SCOPES = [
-    'https://www.googleapis.com/auth/calendar.readonly',
+    'https://www.googleapis.com/auth/calendar.events.readonly',
     'https://www.googleapis.com/auth/drive.readonly'
 ];