fix: hide empty input status row

Only show the pending changes accessory when workspace changes exist
Remove wasted vertical space above the composer when the status row is empty

packages/ui/src/components/chat/ChatInput.tsx

@@ -65,11 +65,13 @@ import { useChatSearchDirectory } from '@/hooks/useChatSearchDirectory';
 import { opencodeClient } from '@/lib/opencode/client';
 import { useProjectsStore } from '@/stores/useProjectsStore';
 import { PROJECT_COLOR_MAP, PROJECT_ICON_MAP, getProjectIconImageUrl } from '@/lib/projectMeta';
-import { useGitBranches, useGitStore } from '@/stores/useGitStore';
+import { useGitBranches, useGitStore, useIsGitRepo } from '@/stores/useGitStore';
+import { useDirectoryStore } from '@/stores/useDirectoryStore';
 import { useRuntimeAPIs } from '@/hooks/useRuntimeAPIs';
 import { createWorktreeDraft } from '@/lib/worktreeSessionCreator';
 import { buildSessionTargetOptions } from '@/sync/session-worktree-contract';
 import { usePermissionStore } from '@/stores/permissionStore';
+import { extractGitChangedFiles } from './changedFiles';
 
 const MAX_VISIBLE_TEXTAREA_LINES = 8;
 const EMPTY_QUEUE: QueuedMessage[] = [];
@@ -750,6 +752,7 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
         Promise.resolve((useSessionUIStore.getState().sendMessage as (...a: unknown[]) => unknown)(...args)),
     ).current;
     const currentSessionId = useSessionUIStore((s) => s.currentSessionId);
+    const currentDirectory = useDirectoryStore((s) => s.currentDirectory);
     const newSessionDraft = useSessionUIStore((s) => s.newSessionDraft);
     const newSessionDraftOpen = Boolean(newSessionDraft?.open);
     const setNewSessionDraftTarget = useSessionUIStore((s) => s.setNewSessionDraftTarget);
@@ -792,6 +795,10 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
     const { git: runtimeGit } = useRuntimeAPIs();
     const { currentTheme } = useThemeSystem();
     const chatSearchDirectory = useChatSearchDirectory();
+    const isGitRepo = useIsGitRepo(currentDirectory);
+    const currentGitStatus = useGitStore((state) =>
+        currentDirectory ? state.directories.get(currentDirectory)?.status ?? null : null,
+    );
     const [showAbortStatus, setShowAbortStatus] = React.useState(false);
     const setSessionAutoAccept = usePermissionStore((state) => state.setSessionAutoAccept);
     const composerHighlightRef = React.useRef<HTMLDivElement | null>(null);
@@ -3139,6 +3146,13 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
         return draftBranchItems.find((item) => item.value === selectedValue)?.label ?? formatDirectoryName(selectedValue);
     }, [draftBranchItems, selectedDraftDirectory]);
 
+    const hasPendingChanges = React.useMemo(() => {
+        if (isGitRepo !== true || !currentGitStatus || currentGitStatus.isClean) {
+            return false;
+        }
+        return extractGitChangedFiles(currentGitStatus.files, currentGitStatus.diffStats, currentDirectory).length > 0;
+    }, [currentDirectory, currentGitStatus, isGitRepo]);
+
     const selectedDraftBranchIsKnown = React.useMemo(() => {
         if (!selectedDraftDirectory) {
             return true;
@@ -3448,7 +3462,7 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
                     showAbortStatus={showAbortStatus}
                     showAssistantStatus={false}
                     showTodos
-                    leftAccessory={newSessionDraftOpen ? null : <PendingChangesBar />}
+                    leftAccessory={newSessionDraftOpen || !hasPendingChanges ? null : <PendingChangesBar />}
                 />
                 {showDraftTargetSelectors && selectedDraftProject ? (
                     <div className="mb-1.5 flex min-w-0 items-center gap-1.5 px-0.5">