chore: vendor swabble and add speech usage strings

Swabble/Sources/swabble/Commands/DoctorCommand.swift

@@ -0,0 +1,37 @@
+import Commander
+import Foundation
+import Speech
+import Swabble
+
+@MainActor
+struct DoctorCommand: ParsableCommand {
+    static var commandDescription: CommandDescription {
+        CommandDescription(commandName: "doctor", abstract: "Check Speech permission and config")
+    }
+
+    @Option(name: .long("config"), help: "Path to config JSON") var configPath: String?
+
+    init() {}
+    init(parsed: ParsedValues) {
+        self.init()
+        if let cfg = parsed.options["config"]?.last { self.configPath = cfg }
+    }
+
+    mutating func run() async throws {
+        let auth = await SFSpeechRecognizer.authorizationStatus()
+        print("Speech auth: \(auth)")
+        do {
+            _ = try ConfigLoader.load(at: self.configURL)
+            print("Config: OK")
+        } catch {
+            print("Config missing or invalid; run setup")
+        }
+        let session = AVCaptureDevice.DiscoverySession(
+            deviceTypes: [.microphone, .external],
+            mediaType: .audio,
+            position: .unspecified)
+        print("Mics found: \(session.devices.count)")
+    }
+
+    private var configURL: URL? { self.configPath.map { URL(fileURLWithPath: $0) } }
+}