Add mascot demo. Update assets for readme

CommandNotch/CommandNotch/Models/TerminalSession.swift

@@ -12,14 +12,23 @@ class TerminalSession: NSObject, ObservableObject, LocalProcessDelegate, @precon
     private var keyEventMonitor: Any?
     private let backgroundColor = NSColor.black
     private let configuredShellPath: String
+    private let launchDirectory: String
 
     @Published var title: String = "shell"
     @Published var isRunning: Bool = true
     @Published var currentDirectory: String?
 
-    init(fontSize: CGFloat, theme: TerminalTheme, shellPath: String) {
+    init(
+        fontSize: CGFloat,
+        theme: TerminalTheme,
+        shellPath: String,
+        initialDirectory: String? = nil,
+        startImmediately: Bool = true
+    ) {
         terminalView = TerminalView(frame: NSRect(x: 0, y: 0, width: 600, height: 300))
         configuredShellPath = shellPath
+        launchDirectory = Self.resolveInitialDirectory(initialDirectory)
+        currentDirectory = launchDirectory
         super.init()
 
         terminalView.terminalDelegate = self
@@ -29,7 +38,11 @@ class TerminalSession: NSObject, ObservableObject, LocalProcessDelegate, @precon
         applyTheme(theme)
         installCommandArrowMonitor()
 
-        startShell()
+        if startImmediately {
+            startShell()
+        } else {
+            isRunning = false
+        }
     }
 
     deinit {
@@ -52,12 +65,29 @@ class TerminalSession: NSObject, ObservableObject, LocalProcessDelegate, @precon
             args: ["-l"],
             environment: nil,
             execName: loginExecName,
-            currentDirectory: NSHomeDirectory()
+            currentDirectory: launchDirectory
         )
         process = proc
         title = shellName
     }
 
+    private static func resolveInitialDirectory(_ directory: String?) -> String {
+        normalizedDirectory(directory) ?? NSHomeDirectory()
+    }
+
+    private static func normalizedDirectory(_ directory: String?) -> String? {
+        let trimmed = directory?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        guard !trimmed.isEmpty else {
+            return nil
+        }
+
+        if let url = URL(string: trimmed), url.isFileURL {
+            return url.path(percentEncoded: false)
+        }
+
+        return (trimmed as NSString).expandingTildeInPath
+    }
+
     private func resolveShell() -> String {
         let custom = configuredShellPath.trimmingCharacters(in: .whitespacesAndNewlines)
         if !custom.isEmpty && FileManager.default.isExecutableFile(atPath: custom) {
@@ -145,7 +175,8 @@ class TerminalSession: NSObject, ObservableObject, LocalProcessDelegate, @precon
     }
 
     func hostCurrentDirectoryUpdate(source: TerminalView, directory: String?) {
-        currentDirectory = directory
+        guard let normalizedDirectory = Self.normalizedDirectory(directory) else { return }
+        currentDirectory = normalizedDirectory
     }
 
     func scrolled(source: TerminalView, position: Double) {}

CommandNotch/CommandNotch/Models/WorkspaceController.swift

@@ -3,12 +3,27 @@ import Combine
 
 @MainActor
 protocol TerminalSessionFactoryType {
-    func makeSession(fontSize: CGFloat, theme: TerminalTheme, shellPath: String) -> TerminalSession
+    func makeSession(
+        fontSize: CGFloat,
+        theme: TerminalTheme,
+        shellPath: String,
+        initialDirectory: String?
+    ) -> TerminalSession
 }
 
 struct LiveTerminalSessionFactory: TerminalSessionFactoryType {
-    func makeSession(fontSize: CGFloat, theme: TerminalTheme, shellPath: String) -> TerminalSession {
-        TerminalSession(fontSize: fontSize, theme: theme, shellPath: shellPath)
+    func makeSession(
+        fontSize: CGFloat,
+        theme: TerminalTheme,
+        shellPath: String,
+        initialDirectory: String?
+    ) -> TerminalSession {
+        TerminalSession(
+            fontSize: fontSize,
+            theme: theme,
+            shellPath: shellPath,
+            initialDirectory: initialDirectory
+        )
     }
 }
 
@@ -90,7 +105,8 @@ final class WorkspaceController: ObservableObject {
         let session = sessionFactory.makeSession(
             fontSize: config.fontSize,
             theme: config.theme,
-            shellPath: config.shellPath
+            shellPath: config.shellPath,
+            initialDirectory: activeTab?.currentDirectory
         )
 
         titleObservers[session.id] = session.$title