diff --git a/.swift-format.json b/.swift-format.json
index efe5aa44..314ccf34 100644
--- a/.swift-format.json
+++ b/.swift-format.json
@@ -12,7 +12,7 @@
   "lineBreakBeforeEachArgument" : false,
   "lineBreakBeforeEachGenericRequirement" : false,
   "lineBreakBetweenDeclarationAttributes" : false,
-  "lineLength" : 100,
+  "lineLength" : 120,
   "maximumBlankLines" : 1,
   "multiElementCollectionTrailingCommas" : true,
   "noAssignmentInExpressions" : {
diff --git a/.swiftlint.yml b/.swiftlint.yml
index c158429e..d06569f8 100644
--- a/.swiftlint.yml
+++ b/.swiftlint.yml
@@ -4,6 +4,11 @@ included:
 excluded:
   - ThirdParty/ghostty
 
+disabled_rules:
+  - file_length
+  - closure_parameter_position
+  - type_body_length
+
 opt_in_rules:
   - accessibility_label_for_image
   - accessibility_trait_for_button
@@ -21,17 +26,9 @@ cyclomatic_complexity:
   warning: 15
   error: 20
 
-file_length:
-  warning: 600
-  error: 800
-
 function_body_length:
   warning: 100
   error: 150
 
-type_body_length:
-  warning: 500
-  error: 650
-
 redundant_discardable_let:
   ignore_swiftui_view_bodies: true
diff --git a/supacode/Commands/UpdateCommands.swift b/supacode/Commands/UpdateCommands.swift
index 92886848..e0e2c2c7 100644
--- a/supacode/Commands/UpdateCommands.swift
+++ b/supacode/Commands/UpdateCommands.swift
@@ -10,7 +10,8 @@ struct UpdateCommands: Commands {
         updateController.checkForUpdates()
       }
       .keyboardShortcut(
-        AppShortcuts.checkForUpdates.keyEquivalent, modifiers: AppShortcuts.checkForUpdates.modifiers
+        AppShortcuts.checkForUpdates.keyEquivalent,
+        modifiers: AppShortcuts.checkForUpdates.modifiers
       )
       .help("Check for Updates (\(AppShortcuts.checkForUpdates.display))")
     }
diff --git a/supacode/ContentView.swift b/supacode/ContentView.swift
index 51ecea2d..57de308d 100644
--- a/supacode/ContentView.swift
+++ b/supacode/ContentView.swift
@@ -362,10 +362,14 @@ private struct RepositorySectionView: View {
   let onRequestRemoval: (Worktree, Repository) -> Void
   let onRequestRepositoryRemoval: (Repository) -> Void
   @Environment(RepositoryStore.self) private var repositoryStore
+  @Environment(\.openWindow) private var openWindow
 
   var body: some View {
     let isExpanded = expandedRepoIDs.contains(repository.id)
     let isRemovingRepository = repositoryStore.isRemovingRepository(repository)
+    let openRepoSettings = {
+      openWindow(id: WindowIdentifiers.repoSettings, value: repository.id)
+    }
     Section {
       WorktreeRowsView(
         repository: repository,
@@ -394,6 +398,10 @@ private struct RepositorySectionView: View {
         .buttonStyle(.plain)
         .disabled(isRemovingRepository)
         .contextMenu {
+          Button("Repo Settings") {
+            openRepoSettings()
+          }
+          .help("Repo Settings (no shortcut)")
           Button("Remove Repository") {
             onRequestRepositoryRemoval(repository)
           }
@@ -405,6 +413,19 @@ private struct RepositorySectionView: View {
           ProgressView()
             .controlSize(.small)
         }
+        Menu {
+          Button("Repo Settings") {
+            openRepoSettings()
+          }
+          .help("Repo Settings (no shortcut)")
+        } label: {
+          Label("Repository options", systemImage: "ellipsis")
+        }
+        .labelStyle(.iconOnly)
+        .buttonStyle(.plain)
+        .foregroundStyle(.primary)
+        .help("Repository options (no shortcut)")
+        .disabled(isRemovingRepository)
         Button("New Worktree", systemImage: "plus") {
           createWorktree(repository)
         }
@@ -440,7 +461,7 @@ private struct WorktreeRowsView: View {
   private func rowView(_ row: WorktreeRowModel, isRepositoryRemoving: Bool) -> some View {
     let displayDetail = row.isDeleting ? "Removing..." : row.detail
     if row.isRemovable, let worktree = repositoryStore.worktree(for: row.id),
-       !isRepositoryRemoving
+      !isRepositoryRemoving
     {
       WorktreeRow(
         name: row.name,
diff --git a/supacode/GhosttyEmbed/GhosttyRuntime.swift b/supacode/GhosttyEmbed/GhosttyRuntime.swift
index eab296a6..a777a30c 100644
--- a/supacode/GhosttyEmbed/GhosttyRuntime.swift
+++ b/supacode/GhosttyEmbed/GhosttyRuntime.swift
@@ -99,12 +99,16 @@ final class GhosttyRuntime {
     return Unmanaged<GhosttyRuntime>.fromOpaque(userdata).takeUnretainedValue()
   }
 
-  private static func surfaceBridge(fromUserdata userdata: UnsafeMutableRawPointer?) -> GhosttySurfaceBridge? {
+  private static func surfaceBridge(fromUserdata userdata: UnsafeMutableRawPointer?)
+    -> GhosttySurfaceBridge?
+  {
     guard let userdata else { return nil }
     return Unmanaged<GhosttySurfaceBridge>.fromOpaque(userdata).takeUnretainedValue()
   }
 
-  private static func surfaceBridge(fromSurface surface: ghostty_surface_t?) -> GhosttySurfaceBridge? {
+  private static func surfaceBridge(fromSurface surface: ghostty_surface_t?)
+    -> GhosttySurfaceBridge?
+  {
     guard let surface, let userdata = ghostty_surface_userdata(surface) else { return nil }
     return Unmanaged<GhosttySurfaceBridge>.fromOpaque(userdata).takeUnretainedValue()
   }
diff --git a/supacode/GhosttyEmbed/GhosttySurfaceBridge.swift b/supacode/GhosttyEmbed/GhosttySurfaceBridge.swift
index eda8c5d3..ed90f146 100644
--- a/supacode/GhosttyEmbed/GhosttySurfaceBridge.swift
+++ b/supacode/GhosttyEmbed/GhosttySurfaceBridge.swift
@@ -200,7 +200,8 @@ final class GhosttySurfaceBridge {
       state.keyTableTag = table.tag
       switch table.tag {
       case GHOSTTY_KEY_TABLE_ACTIVATE:
-        state.keyTableName = string(from: table.value.activate.name, length: table.value.activate.len)
+        state.keyTableName = string(
+          from: table.value.activate.name, length: table.value.activate.len)
       default:
         state.keyTableName = nil
       }
diff --git a/supacode/GitClient.swift b/supacode/GitClient.swift
index 6c894808..205dca04 100644
--- a/supacode/GitClient.swift
+++ b/supacode/GitClient.swift
@@ -34,6 +34,7 @@ struct GitClient {
 
   nonisolated func worktrees(for repoRoot: URL) async throws -> [Worktree] {
     let baseDirectory = wtBaseDirectory(for: repoRoot)
+    let repositoryRootURL = repoRoot.standardizedFileURL
     let output = try await runWtList(repoRoot: repoRoot, baseDirectory: baseDirectory)
     let trimmed = output.trimmingCharacters(in: .whitespacesAndNewlines)
     if trimmed.isEmpty {
@@ -55,7 +56,8 @@ struct GitClient {
           id: id,
           name: entry.branch,
           detail: detail,
-          workingDirectory: worktreeURL
+          workingDirectory: worktreeURL,
+          repositoryRootURL: repositoryRootURL
         ),
         createdAt: createdAt,
         index: index
@@ -91,6 +93,7 @@ struct GitClient {
 
   nonisolated func createWorktree(named name: String, in repoRoot: URL) async throws -> Worktree {
     let baseDirectory = wtBaseDirectory(for: repoRoot)
+    let repositoryRootURL = repoRoot.standardizedFileURL
     let wtURL = try wtScriptURL()
     let output = try await runProcess(
       executableURL: wtURL,
@@ -106,7 +109,13 @@ struct GitClient {
     let worktreeURL = URL(fileURLWithPath: pathLine).standardizedFileURL
     let detail = Self.relativePath(from: baseDirectory, to: worktreeURL)
     let id = worktreeURL.path(percentEncoded: false)
-    return Worktree(id: id, name: name, detail: detail, workingDirectory: worktreeURL)
+    return Worktree(
+      id: id,
+      name: name,
+      detail: detail,
+      workingDirectory: worktreeURL,
+      repositoryRootURL: repositoryRootURL
+    )
   }
 
   nonisolated func isWorktreeDirty(at worktreeURL: URL) async throws -> Bool {
@@ -184,11 +193,7 @@ struct GitClient {
   }
 
   nonisolated private func wtBaseDirectory(for repoRoot: URL) -> URL {
-    let repoName = repoRoot.lastPathComponent
-    let fallback = repoRoot.path(percentEncoded: false).replacingOccurrences(of: "/", with: "_")
-    let name = repoName.isEmpty ? fallback : repoName
-    return SupacodePaths.reposDirectory
-      .appending(path: name, directoryHint: .isDirectory)
+    SupacodePaths.repositoryDirectory(for: repoRoot)
   }
 
   nonisolated private func runProcess(
diff --git a/supacode/RepositoryStore.swift b/supacode/RepositoryStore.swift
index 080b76f4..571f2105 100644
--- a/supacode/RepositoryStore.swift
+++ b/supacode/RepositoryStore.swift
@@ -498,7 +498,9 @@ final class RepositoryStore {
     let repositoryIDs = Set(loaded.map(\.id))
     pendingWorktrees = pendingWorktrees.filter { repositoryIDs.contains($0.repositoryID) }
     if !isSelectionValid(selectedWorktreeID) {
-      print("[RepositoryStore] selectedWorktreeID \(String(describing: selectedWorktreeID)) is invalid, clearing")
+      print(
+        "[RepositoryStore] selectedWorktreeID \(String(describing: selectedWorktreeID)) is invalid, clearing"
+      )
       selectedWorktreeID = nil
     }
     print("[RepositoryStore] applyRepositories done, repositories.count = \(repositories.count)")
diff --git a/supacode/Settings/RepositorySettings.swift b/supacode/Settings/RepositorySettings.swift
new file mode 100644
index 00000000..447ad803
--- /dev/null
+++ b/supacode/Settings/RepositorySettings.swift
@@ -0,0 +1,7 @@
+import Foundation
+
+nonisolated struct RepositorySettings: Codable, Equatable {
+  var startupCommand: String
+
+  static let `default` = RepositorySettings(startupCommand: "echo 123")
+}
diff --git a/supacode/Settings/RepositorySettingsModel.swift b/supacode/Settings/RepositorySettingsModel.swift
new file mode 100644
index 00000000..7bb99394
--- /dev/null
+++ b/supacode/Settings/RepositorySettingsModel.swift
@@ -0,0 +1,26 @@
+import Foundation
+import Observation
+
+@MainActor
+@Observable
+final class RepositorySettingsModel {
+  private let store: RepositorySettingsStore
+  private let rootURL: URL
+  private var settings: RepositorySettings
+
+  var startupCommand: String {
+    get {
+      settings.startupCommand
+    }
+    set {
+      settings.startupCommand = newValue
+      store.save(settings, for: rootURL)
+    }
+  }
+
+  init(rootURL: URL, store: RepositorySettingsStore = RepositorySettingsStore()) {
+    self.rootURL = rootURL
+    self.store = store
+    settings = store.load(for: rootURL)
+  }
+}
diff --git a/supacode/Settings/RepositorySettingsStore.swift b/supacode/Settings/RepositorySettingsStore.swift
new file mode 100644
index 00000000..9fd089b0
--- /dev/null
+++ b/supacode/Settings/RepositorySettingsStore.swift
@@ -0,0 +1,33 @@
+import Foundation
+
+nonisolated struct RepositorySettingsStore {
+  func load(for rootURL: URL) -> RepositorySettings {
+    let settingsURL = settingsURL(for: rootURL)
+    if let data = try? Data(contentsOf: settingsURL),
+      let settings = try? JSONDecoder().decode(RepositorySettings.self, from: data)
+    {
+      return settings
+    }
+    let defaults = RepositorySettings.default
+    save(defaults, for: rootURL)
+    return defaults
+  }
+
+  func save(_ settings: RepositorySettings, for rootURL: URL) {
+    do {
+      let settingsURL = settingsURL(for: rootURL)
+      let directory = settingsURL.deletingLastPathComponent()
+      try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
+      let encoder = JSONEncoder()
+      encoder.outputFormatting = [.prettyPrinted, .sortedKeys]
+      let data = try encoder.encode(settings)
+      try data.write(to: settingsURL, options: [.atomic])
+    } catch {
+    }
+  }
+
+  private func settingsURL(for rootURL: URL) -> URL {
+    SupacodePaths.repositoryDirectory(for: rootURL)
+      .appending(path: "settings.json", directoryHint: .notDirectory)
+  }
+}
diff --git a/supacode/Settings/RepositorySettingsView.swift b/supacode/Settings/RepositorySettingsView.swift
new file mode 100644
index 00000000..aa142134
--- /dev/null
+++ b/supacode/Settings/RepositorySettingsView.swift
@@ -0,0 +1,24 @@
+import SwiftUI
+
+struct RepositorySettingsView: View {
+  let repositoryRootURL: URL
+  @State private var model: RepositorySettingsModel
+
+  init(repositoryRootURL: URL) {
+    self.repositoryRootURL = repositoryRootURL
+    _model = State(initialValue: RepositorySettingsModel(rootURL: repositoryRootURL))
+  }
+
+  var body: some View {
+    @Bindable var model = model
+
+    Form {
+      Section {
+        TextField("Start up command", text: $model.startupCommand, prompt: Text("echo 123"))
+      }
+    }
+    .formStyle(.grouped)
+    .scenePadding()
+    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
+  }
+}
diff --git a/supacode/Settings/UpdatesSettingsView.swift b/supacode/Settings/UpdatesSettingsView.swift
index ea3c842e..797fdd9d 100644
--- a/supacode/Settings/UpdatesSettingsView.swift
+++ b/supacode/Settings/UpdatesSettingsView.swift
@@ -9,7 +9,9 @@ struct UpdatesSettingsView: View {
     VStack(alignment: .leading, spacing: 0) {
       Form {
         Section("Automatic Updates") {
-          Toggle("Check for updates automatically", isOn: $updateController.automaticallyChecksForUpdates)
+          Toggle(
+            "Check for updates automatically", isOn: $updateController.automaticallyChecksForUpdates
+          )
           Toggle(
             "Download and install updates automatically",
             isOn: $updateController.automaticallyDownloadsUpdates
diff --git a/supacode/SupacodePaths.swift b/supacode/SupacodePaths.swift
index 31ea2406..738db952 100644
--- a/supacode/SupacodePaths.swift
+++ b/supacode/SupacodePaths.swift
@@ -10,6 +10,13 @@ nonisolated enum SupacodePaths {
     baseDirectory.appending(path: "repos", directoryHint: .isDirectory)
   }
 
+  static func repositoryDirectory(for rootURL: URL) -> URL {
+    let repoName = rootURL.lastPathComponent
+    let fallback = rootURL.path(percentEncoded: false).replacing("/", with: "_")
+    let name = repoName.isEmpty ? fallback : repoName
+    return reposDirectory.appending(path: name, directoryHint: .isDirectory)
+  }
+
   static var settingsURL: URL {
     baseDirectory.appending(path: "settings.json", directoryHint: .notDirectory)
   }
diff --git a/supacode/Terminals/WorktreeTerminalState.swift b/supacode/Terminals/WorktreeTerminalState.swift
index 5e66efff..2d25f0d4 100644
--- a/supacode/Terminals/WorktreeTerminalState.swift
+++ b/supacode/Terminals/WorktreeTerminalState.swift
@@ -6,6 +6,7 @@ final class WorktreeTerminalState: BonsplitDelegate {
   let controller: BonsplitController
   private let runtime: GhosttyRuntime
   private let worktree: Worktree
+  private let settingsStore = RepositorySettingsStore()
   private var surfaces: [TabID: GhosttySurfaceView] = [:]
 
   init(runtime: GhosttyRuntime, worktree: Worktree) {
@@ -52,7 +53,7 @@ final class WorktreeTerminalState: BonsplitDelegate {
       return nil
     }
     controller.selectTab(tabId)
-    surfaceView(for: tabId, initialInput: "echo \(title)\n").requestFocus()
+    surfaceView(for: tabId, initialInput: startupInput()).requestFocus()
     return tabId
   }
 
@@ -74,7 +75,7 @@ final class WorktreeTerminalState: BonsplitDelegate {
     if let existing = surfaces[tabId] {
       return existing
     }
-    let resolvedInput = initialInput ?? defaultInitialInput(for: tabId)
+    let resolvedInput = initialInput ?? defaultInitialInput()
     let view = GhosttySurfaceView(
       runtime: runtime,
       workingDirectory: worktree.workingDirectory,
@@ -87,9 +88,20 @@ final class WorktreeTerminalState: BonsplitDelegate {
     return view
   }
 
-  private func defaultInitialInput(for tabId: TabID) -> String? {
-    guard let title = controller.tab(tabId)?.title else { return nil }
-    return "echo \(title)\n"
+  private func defaultInitialInput() -> String? {
+    startupInput()
+  }
+
+  private func startupInput() -> String? {
+    let settings = settingsStore.load(for: worktree.repositoryRootURL)
+    let command = settings.startupCommand
+    if command.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+      return nil
+    }
+    if command.hasSuffix("\n") {
+      return command
+    }
+    return "\(command)\n"
   }
 
   func closeAllSurfaces() {
diff --git a/supacode/WindowIdentifiers.swift b/supacode/WindowIdentifiers.swift
new file mode 100644
index 00000000..c11b287e
--- /dev/null
+++ b/supacode/WindowIdentifiers.swift
@@ -0,0 +1,3 @@
+enum WindowIdentifiers {
+  static let repoSettings = "repo-settings"
+}
diff --git a/supacode/Worktree.swift b/supacode/Worktree.swift
index c9a55943..68278c14 100644
--- a/supacode/Worktree.swift
+++ b/supacode/Worktree.swift
@@ -5,4 +5,5 @@ struct Worktree: Identifiable, Hashable {
   let name: String
   let detail: String
   let workingDirectory: URL
+  let repositoryRootURL: URL
 }
diff --git a/supacode/supacodeApp.swift b/supacode/supacodeApp.swift
index 67b56f0b..f5b01d3b 100644
--- a/supacode/supacodeApp.swift
+++ b/supacode/supacodeApp.swift
@@ -5,6 +5,7 @@
 //  Created by khoi on 20/1/26.
 //
 
+import Foundation
 import GhosttyKit
 import SwiftUI
 
@@ -53,6 +54,16 @@ struct SupacodeApp: App {
         .preferredColorScheme(settings.preferredColorScheme)
     }
     .environment(repositoryStore)
+    WindowGroup("Repo Settings", id: WindowIdentifiers.repoSettings, for: Repository.ID.self) { $repositoryID in
+      if let repositoryID {
+        RepositorySettingsView(repositoryRootURL: URL(fileURLWithPath: repositoryID))
+      } else {
+        Text("Select a repository to edit settings.")
+          .frame(maxWidth: .infinity, maxHeight: .infinity)
+          .scenePadding()
+      }
+    }
+    .environment(repositoryStore)
     .commands {
       OpenRepositoryCommands(repositoryStore: repositoryStore)
       WorktreeCommands(repositoryStore: repositoryStore)