feat: add persistent Markdown notes

Tests/ConjureKitTests/EscapeDismissalTests.swift

@@ -3,22 +3,27 @@ import ConjureKit
 import Testing
 @testable import Conjure
 
-@Test(arguments: ["launcher", "launcher-actions", "emoji", "emoji-actions", "translate-input", "translate-output", "translate-key"])
+@Test(arguments: ["launcher", "launcher-actions", "emoji", "emoji-actions", "translate-input", "translate-output", "translate-key", "notes-editor"])
 @MainActor func escapeDismissesEntireLauncher(_ destination: String) throws {
     _ = NSApplication.shared
     let suite = "ConjureEscape.\(UUID().uuidString)"
     let defaults = UserDefaults(suiteName: suite)!
-    defer { defaults.removePersistentDomain(forName: suite) }
+    let notesDirectory = FileManager.default.temporaryDirectory.appendingPathComponent(suite)
+    defer {
+        defaults.removePersistentDomain(forName: suite)
+        try? FileManager.default.removeItem(at: notesDirectory)
+    }
     let launcher = LauncherWindowController(
         history: LaunchHistory(defaults: defaults, now: { Date(timeIntervalSinceReferenceDate: 12_000) }),
-        defaults: defaults)
+        defaults: defaults, notesDirectory: notesDirectory)
     let window = try #require(launcher.window)
     defer { window.orderOut(nil) }
     let content = try #require(window.contentView)
     func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
     let search = try #require(descendants(content).compactMap { $0 as? NSSearchField }.first)
     if !destination.hasPrefix("launcher") {
-        search.stringValue = destination.hasPrefix("emoji") ? "emoji" : "translate"
+        search.stringValue = destination.hasPrefix("emoji") ? "emoji"
+            : destination.hasPrefix("notes") ? "notes" : "translate"
         launcher.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
         _ = launcher.control(search, textView: NSTextView(), doCommandBy: #selector(NSResponder.insertNewline(_:)))
     }
@@ -48,6 +53,9 @@ import Testing
         _ = provider.target?.perform(provider.action, with: provider)
         let key = try #require(descendants(content).compactMap { $0 as? NSSecureTextField }.first)
         window.makeFirstResponder(key)
+    } else if destination == "notes-editor" {
+        let editor = try #require(descendants(content).compactMap { $0 as? NotesTextView }.first)
+        window.makeFirstResponder(editor)
     }
     #expect(window.isVisible)
     let escape = try #require(NSEvent.keyEvent(