Phase 0: menu-bar scaffold, permissions, backend health check

Native SwiftUI menu-bar app (LSUIElement, macOS 13+), generated from project.yml
via XcodeGen. Includes:
- PermissionsManager (Microphone / Screen Recording / Accessibility) + UI
- SparkControlHealth: GET /api/status over self-signed TLS (InsecureTrustDelegate)
- AppSettings persistence (host, TLS-skip, output folder, adapter toggles)
- Menu-bar panel + Settings, app sandbox & hardened runtime off (LAN tool)

Ten31TranscriptsTests/Ten31TranscriptsTests.swift

@@ -0,0 +1,9 @@
+import XCTest
+
+/// Placeholder so the test target is wired and green from Phase 0.
+/// Real coverage (adapter fixture tests) arrives in Phase 3.
+final class Ten31TranscriptsTests: XCTestCase {
+    func testScaffoldBuilds() throws {
+        XCTAssertTrue(true)
+    }
+}