feat: add worktree rename (display name) (#90)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

src/renderer/src/components/sidebar/WorktreeCard.tsx

@@ -166,10 +166,11 @@ const WorktreeCard = React.memo(function WorktreeCard({
   const handleDoubleClick = useCallback(() => {
     openModal('edit-meta', {
       worktreeId: worktree.id,
+      currentDisplayName: worktree.displayName,
       currentIssue: worktree.linkedIssue,
       currentComment: worktree.comment
     })
-  }, [worktree.id, worktree.linkedIssue, worktree.comment, openModal])
+  }, [worktree.id, worktree.displayName, worktree.linkedIssue, worktree.comment, openModal])
 
   const handleToggleUnreadQuick = useCallback(
     (event: React.MouseEvent<HTMLButtonElement>) => {

src/renderer/src/components/sidebar/WorktreeContextMenu.tsx

@@ -6,7 +6,17 @@ import {
   DropdownMenuSeparator,
   DropdownMenuTrigger
 } from '@/components/ui/dropdown-menu'
-import { FolderOpen, Copy, Bell, BellOff, Link, MessageSquare, XCircle, Trash2 } from 'lucide-react'
+import {
+  FolderOpen,
+  Copy,
+  Bell,
+  BellOff,
+  Link,
+  MessageSquare,
+  Pencil,
+  XCircle,
+  Trash2
+} from 'lucide-react'
 import { useAppStore } from '@/store'
 import type { Worktree } from '../../../../shared/types'
 
@@ -47,23 +57,35 @@ const WorktreeContextMenu = React.memo(function WorktreeContextMenu({ worktree,
     updateWorktreeMeta(worktree.id, { isUnread: !worktree.isUnread })
   }, [worktree.id, worktree.isUnread, updateWorktreeMeta])
 
+  const handleRename = useCallback(() => {
+    openModal('edit-meta', {
+      worktreeId: worktree.id,
+      currentDisplayName: worktree.displayName,
+      currentIssue: worktree.linkedIssue,
+      currentComment: worktree.comment,
+      focus: 'displayName'
+    })
+  }, [worktree.id, worktree.displayName, worktree.linkedIssue, worktree.comment, openModal])
+
   const handleLinkIssue = useCallback(() => {
     openModal('edit-meta', {
       worktreeId: worktree.id,
+      currentDisplayName: worktree.displayName,
       currentIssue: worktree.linkedIssue,
       currentComment: worktree.comment,
       focus: 'issue'
     })
-  }, [worktree.id, worktree.linkedIssue, worktree.comment, openModal])
+  }, [worktree.id, worktree.displayName, worktree.linkedIssue, worktree.comment, openModal])
 
   const handleComment = useCallback(() => {
     openModal('edit-meta', {
       worktreeId: worktree.id,
+      currentDisplayName: worktree.displayName,
       currentIssue: worktree.linkedIssue,
       currentComment: worktree.comment,
       focus: 'comment'
     })
-  }, [worktree.id, worktree.linkedIssue, worktree.comment, openModal])
+  }, [worktree.id, worktree.displayName, worktree.linkedIssue, worktree.comment, openModal])
 
   const handleCloseTerminals = useCallback(async () => {
     await shutdownWorktreeTerminals(worktree.id)
@@ -111,6 +133,10 @@ const WorktreeContextMenu = React.memo(function WorktreeContextMenu({ worktree,
             Copy Path
           </DropdownMenuItem>
           <DropdownMenuSeparator />
+          <DropdownMenuItem onSelect={handleRename} disabled={isDeleting}>
+            <Pencil className="size-3.5" />
+            Rename
+          </DropdownMenuItem>
           <DropdownMenuItem onSelect={handleToggleRead} disabled={isDeleting}>
             {worktree.isUnread ? <BellOff className="size-3.5" /> : <Bell className="size-3.5" />}
             {worktree.isUnread ? 'Mark Read' : 'Mark Unread'}

src/renderer/src/components/sidebar/WorktreeMetaDialog.tsx

@@ -23,12 +23,15 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
   const isOpen = isEditMeta
 
   const worktreeId = typeof modalData.worktreeId === 'string' ? modalData.worktreeId : ''
+  const currentDisplayName =
+    typeof modalData.currentDisplayName === 'string' ? modalData.currentDisplayName : ''
   const currentIssue =
     typeof modalData.currentIssue === 'number' ? String(modalData.currentIssue) : ''
   const currentComment =
     typeof modalData.currentComment === 'string' ? modalData.currentComment : ''
   const focusField = typeof modalData.focus === 'string' ? modalData.focus : 'comment'
 
+  const [displayNameInput, setDisplayNameInput] = useState('')
   const [issueInput, setIssueInput] = useState('')
   const [commentInput, setCommentInput] = useState('')
   const [saving, setSaving] = useState(false)
@@ -36,7 +39,9 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
   const issueInputRef = useRef<HTMLInputElement>(null)
   const textareaRef = useRef<HTMLTextAreaElement>(null)
   const prevIsOpenRef = useRef(false)
+  const displayNameInputRef = useRef<HTMLInputElement>(null)
   if (isOpen && !prevIsOpenRef.current) {
+    setDisplayNameInput(currentDisplayName)
     setIssueInput(currentIssue)
     setCommentInput(currentComment)
   }
@@ -84,8 +89,12 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
       const finalLinkedIssue =
         trimmedIssue === '' ? null : linkedIssueNumber !== null ? linkedIssueNumber : undefined
 
+      const trimmedDisplayName = displayNameInput.trim()
       const updates: Partial<WorktreeMeta> = {
-        comment: commentInput.trim()
+        comment: commentInput.trim(),
+        ...(trimmedDisplayName !== currentDisplayName && {
+          displayName: trimmedDisplayName || undefined
+        })
       }
       if (finalLinkedIssue !== undefined) {
         updates.linkedIssue = finalLinkedIssue
@@ -96,7 +105,15 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
     } finally {
       setSaving(false)
     }
-  }, [worktreeId, issueInput, commentInput, updateWorktreeMeta, closeModal])
+  }, [
+    worktreeId,
+    displayNameInput,
+    currentDisplayName,
+    issueInput,
+    commentInput,
+    updateWorktreeMeta,
+    closeModal
+  ])
 
   const handleCommentKeyDown = useCallback(
     (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
@@ -124,7 +141,9 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
         className="max-w-md"
         onOpenAutoFocus={(e) => {
           e.preventDefault()
-          if (focusField === 'issue') {
+          if (focusField === 'displayName') {
+            displayNameInputRef.current?.focus()
+          } else if (focusField === 'issue') {
             issueInputRef.current?.focus()
           } else {
             textareaRef.current?.focus()
@@ -139,6 +158,22 @@ const WorktreeMetaDialog = React.memo(function WorktreeMetaDialog() {
         </DialogHeader>
 
         <div className="space-y-4">
+          <div className="space-y-1">
+            <label className="text-[11px] font-medium text-muted-foreground">Display Name</label>
+            <Input
+              ref={displayNameInputRef}
+              value={displayNameInput}
+              onChange={(e) => setDisplayNameInput(e.target.value)}
+              onKeyDown={handleIssueKeyDown}
+              placeholder="Custom display name..."
+              className="h-8 text-xs"
+            />
+            <p className="text-[10px] text-muted-foreground">
+              Only changes the name shown in the sidebar — the folder on disk stays the same. Leave
+              blank to use the branch or folder name.
+            </p>
+          </div>
+
           <div className="space-y-1">
             <label className="text-[11px] font-medium text-muted-foreground">GH Issue / PR</label>
             <Input