refactor: rename isInputActive to isPaneFocused for clarity

The prop represents whether the pane/panel is focused, not whether the
text input is focused. Rename across all 5 files to match the caller
names and reduce confusion.

packages/app/src/components/agent-input-area.tsx

@@ -63,7 +63,7 @@ type ImageListUpdater = ImageAttachment[] | ((prev: ImageAttachment[]) => ImageA
 interface AgentInputAreaProps {
   agentId: string;
   serverId: string;
-  isInputActive: boolean;
+  isPaneFocused: boolean;
   onSubmitMessage?: (payload: MessagePayload) => Promise<void>;
   /** Externally controlled loading state. When true, disables the submit button. */
   isSubmitLoading?: boolean;
@@ -98,7 +98,7 @@ const MOBILE_MESSAGE_PLACEHOLDER = "Message, @files, /commands";
 export function AgentInputArea({
   agentId,
   serverId,
-  isInputActive,
+  isPaneFocused,
   onSubmitMessage,
   isSubmitLoading = false,
   blurOnSubmit = false,
@@ -421,7 +421,7 @@ export function AgentInputArea({
 
   const handleKeyboardAction = useCallback(
     (action: KeyboardActionDefinition): boolean => {
-      if (!isInputActive) {
+      if (!isPaneFocused) {
         return false;
       }
 
@@ -461,7 +461,7 @@ export function AgentInputArea({
           return false;
       }
     },
-    [isInputActive],
+    [isPaneFocused],
   );
 
   useKeyboardActionHandler({
@@ -475,9 +475,9 @@ export function AgentInputArea({
       "message-input.voice-toggle",
       "message-input.voice-mute-toggle",
     ],
-    enabled: isInputActive,
+    enabled: isPaneFocused,
     priority: isMessageInputFocused ? 200 : 100,
-    isActive: () => isInputActive,
+    isActive: () => isPaneFocused,
     handle: handleKeyboardAction,
   });
 
@@ -736,7 +736,7 @@ export function AgentInputArea({
               autoFocus={autoFocus && isDesktopWebBreakpoint}
               autoFocusKey={`${serverId}:${agentId}`}
               disabled={isSubmitLoading}
-              isInputActive={isInputActive}
+              isPaneFocused={isPaneFocused}
               leftContent={leftContent}
               beforeVoiceContent={beforeVoiceContent}
               rightContent={rightContent}

packages/app/src/components/message-input.tsx

@@ -77,8 +77,8 @@ export interface MessageInputProps {
   autoFocus?: boolean;
   autoFocusKey?: string;
   disabled?: boolean;
-  /** True when this input is the active composer. Used to gate global hotkeys and stop dictation when hidden. */
-  isInputActive?: boolean;
+  /** True when this composer's pane is focused. Used to gate global hotkeys and stop dictation when hidden. */
+  isPaneFocused?: boolean;
   /** Content to render on the left side of the button row (e.g., AgentStatusBar) */
   leftContent?: React.ReactNode;
   /** Content to render on the right side before the voice button (e.g., context window meter) */
@@ -208,7 +208,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
     autoFocus = false,
     autoFocusKey,
     disabled = false,
-    isInputActive = true,
+    isPaneFocused = true,
     leftContent,
     beforeVoiceContent,
     rightContent,
@@ -431,7 +431,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
     onError: handleDictationError,
     canStart: canStartDictation,
     canConfirm: canConfirmDictation,
-    autoStopWhenHidden: { isVisible: isInputActive },
+    autoStopWhenHidden: { isVisible: isPaneFocused },
     enableDuration: true,
   });
 
@@ -1031,7 +1031,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
             autoFocus={isWeb && autoFocus}
           />
           {inputScrollbar}
-          {isWeb && isInputActive && !isInputFocused && !value && focusInputKeys ? (
+          {isWeb && isPaneFocused && !isInputFocused && !value && focusInputKeys ? (
             <Text style={styles.focusHintText} pointerEvents="none">
               {formatShortcut(focusInputKeys[0], getShortcutOs())} to focus
             </Text>

packages/app/src/panels/agent-panel.tsx

@@ -762,7 +762,7 @@ function AgentPanelBody({
             <AgentInputArea
               agentId={agentId}
               serverId={serverId}
-              isInputActive={isPaneFocused}
+              isPaneFocused={isPaneFocused}
               value={agentInputDraft.text}
               onChangeText={agentInputDraft.setText}
               images={agentInputDraft.images}

packages/app/src/screens/agent/draft-agent-screen.tsx

@@ -1232,7 +1232,7 @@ function DraftAgentScreenContent({
             <AgentInputArea
               agentId={draftAgentIdRef.current}
               serverId={selectedServerId ?? ""}
-              isInputActive={isFocused}
+              isPaneFocused={isFocused}
               onSubmitMessage={handleCreateFromInput}
               isSubmitLoading={isSubmitting}
               blurOnSubmit={true}

packages/app/src/screens/workspace/workspace-draft-agent-tab.tsx

@@ -342,7 +342,7 @@ export function WorkspaceDraftAgentTab({
           <AgentInputArea
             agentId={tabId}
             serverId={serverId}
-            isInputActive={isPaneFocused}
+            isPaneFocused={isPaneFocused}
             onSubmitMessage={handleCreateFromInput}
             isSubmitLoading={isSubmitting}
             blurOnSubmit={true}