Add YouTrack pull/push sync with project settings and time tracking.

Wire manual Y menu and CLI sync for issues and work items, persist
per-project credentials, and keep local edits until an explicit push.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/ui/keys.go

@@ -24,11 +24,14 @@ type KeyMap struct {
 	TimeManual    key.Binding // T — manual duration
 	TimeEntries   key.Binding // m — manage time entries
 	Report        key.Binding // r — time report
+	Sync          key.Binding // Y — pull YouTrack issues
 	Undo          key.Binding
 	Redo          key.Binding
 	Quit          key.Binding
 	Enter         key.Binding
 	Escape        key.Binding
+	Tab           key.Binding // tab — next form field
+	ShiftTab      key.Binding // shift+tab — previous form field
 }
 
 // DefaultKeyMap returns the default key bindings.
@@ -114,6 +117,10 @@ func DefaultKeyMap() KeyMap {
 			key.WithKeys("r"),
 			key.WithHelp("r", "report"),
 		),
+		Sync: key.NewBinding(
+			key.WithKeys("Y"),
+			key.WithHelp("Y", "YouTrack pull/push"),
+		),
 		Undo: key.NewBinding(
 			key.WithKeys("u", "ctrl+z"),
 			key.WithHelp("u", "undo"),
@@ -134,12 +141,20 @@ func DefaultKeyMap() KeyMap {
 			key.WithKeys("esc"),
 			key.WithHelp("esc", "cancel"),
 		),
+		Tab: key.NewBinding(
+			key.WithKeys("tab"),
+			key.WithHelp("tab", "next field"),
+		),
+		ShiftTab: key.NewBinding(
+			key.WithKeys("shift+tab"),
+			key.WithHelp("shift+tab", "prev field"),
+		),
 	}
 }
 
 // ShortHelp implements help.KeyMap.
 func (k KeyMap) ShortHelp() []key.Binding {
-	return []key.Binding{k.Up, k.New, k.Search, k.Project, k.MoveTicket, k.Board, k.Status, k.Edit, k.Timer, k.TimeManual, k.TimeEntries, k.Report, k.Delete, k.DeleteForce, k.Undo, k.Redo, k.Quit}
+	return []key.Binding{k.Up, k.New, k.Search, k.Project, k.MoveTicket, k.Board, k.Status, k.Edit, k.Timer, k.TimeManual, k.TimeEntries, k.Report, k.Sync, k.Delete, k.DeleteForce, k.Undo, k.Redo, k.Quit}
 }
 
 // FullHelp implements help.KeyMap.