diff --git a/Sources/KanbanCode/ContentView.swift b/Sources/KanbanCode/ContentView.swift
index 47ee874..5ede910 100644
--- a/Sources/KanbanCode/ContentView.swift
+++ b/Sources/KanbanCode/ContentView.swift
@@ -669,8 +669,8 @@ struct ContentView: View {
                     onCreate: { prompt, projectPath, title, startImmediately, images in
                         createManualTask(prompt: prompt, projectPath: projectPath, title: title, startImmediately: startImmediately, images: images)
                     },
-                    onCreateAndLaunch: { prompt, projectPath, title, createWorktree, runRemotely, skipPermissions, commandOverride, images, assistant in
-                        createManualTaskAndLaunch(prompt: prompt, projectPath: projectPath, title: title, createWorktree: createWorktree, runRemotely: runRemotely, skipPermissions: skipPermissions, commandOverride: commandOverride, images: images, assistant: assistant)
+                    onCreateAndLaunch: { prompt, projectPath, title, createWorktree, worktreeBranch, runRemotely, skipPermissions, commandOverride, images, assistant in
+                        createManualTaskAndLaunch(prompt: prompt, projectPath: projectPath, title: title, createWorktree: createWorktree, worktreeBranch: worktreeBranch, runRemotely: runRemotely, skipPermissions: skipPermissions, commandOverride: commandOverride, images: images, assistant: assistant)
                     }
                 )
             }
@@ -2259,7 +2259,7 @@ struct ContentView: View {
         }
     }
 
-    private func createManualTaskAndLaunch(prompt: String, projectPath: String?, title: String? = nil, createWorktree: Bool, runRemotely: Bool, skipPermissions: Bool = true, commandOverride: String? = nil, images: [ImageAttachment] = [], assistant: CodingAssistant = .claude) {
+    private func createManualTaskAndLaunch(prompt: String, projectPath: String?, title: String? = nil, createWorktree: Bool, worktreeBranch: String? = nil, runRemotely: Bool, skipPermissions: Bool = true, commandOverride: String? = nil, images: [ImageAttachment] = [], assistant: CodingAssistant = .claude) {
         let trimmed = prompt.trimmingCharacters(in: .whitespacesAndNewlines)
         let name: String
         if let title, !title.isEmpty {
@@ -2291,7 +2291,7 @@ struct ContentView: View {
             let project = settings?.projects.first(where: { $0.path == effectivePath })
             let builtPrompt = PromptBuilder.buildPrompt(card: link, project: project, settings: settings)
 
-            let wtName: String? = (createWorktree && assistant.supportsWorktree) ? "" : nil
+            let wtName: String? = (createWorktree && assistant.supportsWorktree) ? (worktreeBranch ?? "") : nil
             executeLaunch(cardId: link.id, prompt: builtPrompt, projectPath: effectivePath, worktreeName: wtName, runRemotely: runRemotely, skipPermissions: skipPermissions, commandOverride: commandOverride, images: images, assistant: assistant)
         }
     }
diff --git a/Sources/KanbanCode/NewTaskDialog.swift b/Sources/KanbanCode/NewTaskDialog.swift
index 9ecc725..bfca3cb 100644
--- a/Sources/KanbanCode/NewTaskDialog.swift
+++ b/Sources/KanbanCode/NewTaskDialog.swift
@@ -9,8 +9,8 @@ struct NewTaskDialog: View {
     var enabledAssistants: [CodingAssistant] = CodingAssistant.allCases
     /// (prompt, projectPath, title, startImmediately, images) — creates task without an assistant set
     var onCreate: (String, String?, String?, Bool, [ImageAttachment]) -> Void = { _, _, _, _, _ in }
-    /// (prompt, projectPath, title, createWorktree, runRemotely, skipPermissions, commandOverride, images, assistant) — creates and launches directly (skips LaunchConfirmation)
-    var onCreateAndLaunch: (String, String?, String?, Bool, Bool, Bool, String?, [ImageAttachment], CodingAssistant) -> Void = { _, _, _, _, _, _, _, _, _ in }
+    /// (prompt, projectPath, title, createWorktree, worktreeBranch, runRemotely, skipPermissions, commandOverride, images, assistant) — creates and launches directly (skips LaunchConfirmation)
+    var onCreateAndLaunch: (String, String?, String?, Bool, String?, Bool, Bool, String?, [ImageAttachment], CodingAssistant) -> Void = { _, _, _, _, _, _, _, _, _, _ in }
 
     @AppStorage("selectedAssistant") private var selectedAssistantRaw: String = CodingAssistant.claude.rawValue
     private var selectedAssistant: CodingAssistant {
@@ -234,11 +234,13 @@ struct NewTaskDialog: View {
         let titleOrNil = title.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty ? nil : title.trimmingCharacters(in: .whitespacesAndNewlines)
         if let proj { lastSelectedProjectPath = proj }
         if startImmediately {
+            let branch = worktreeBranch.trimmingCharacters(in: .whitespacesAndNewlines)
             onCreateAndLaunch(
                 prompt,
                 proj,
                 titleOrNil,
                 createWorktree && isGitRepo && selectedAssistant.supportsWorktree,
+                branch.isEmpty ? nil : branch,
                 runRemotely && hasRemoteConfig,
                 dangerouslySkipPermissions,
                 commandEdited ? command : nil,