fix(talk): honor configured speech locale

apps/ios/Sources/Settings/SettingsTab.swift

@@ -21,6 +21,7 @@ struct SettingsTab: View {
     @AppStorage("node.instanceId") private var instanceId: String = UUID().uuidString
     @AppStorage("voiceWake.enabled") private var voiceWakeEnabled: Bool = false
     @AppStorage("talk.enabled") private var talkEnabled: Bool = false
+    @AppStorage(TalkSpeechLocale.storageKey) private var talkSpeechLocale: String = TalkSpeechLocale.automaticID
     @AppStorage("talk.button.enabled") private var talkButtonEnabled: Bool = true
     @AppStorage("talk.background.enabled") private var talkBackgroundEnabled: Bool = false
     @AppStorage("camera.enabled") private var cameraEnabled: Bool = true
@@ -278,6 +279,11 @@ struct SettingsTab: View {
                             help: "Enables voice conversation mode with your connected OpenClaw agent.") { newValue in
                                 self.appModel.setTalkEnabled(newValue)
                             }
+                        Picker("Speech Language", selection: self.$talkSpeechLocale) {
+                            ForEach(TalkSpeechLocale.supportedOptions()) { option in
+                                Text(option.label).tag(option.id)
+                            }
+                        }
                         self.featureToggle(
                             "Background Listening",
                             isOn: self.$talkBackgroundEnabled,

apps/ios/Sources/Voice/TalkModeGatewayConfig.swift

@@ -12,6 +12,7 @@ struct TalkModeGatewayConfigState {
     let rawConfigApiKey: String?
     let interruptOnSpeech: Bool?
     let silenceTimeoutMs: Int
+    let speechLocaleID: String?
 }
 
 enum TalkModeGatewayConfigParser {
@@ -53,6 +54,7 @@ enum TalkModeGatewayConfigParser {
         let silenceTimeoutMs = TalkConfigParsing.resolvedSilenceTimeoutMs(
             talk,
             fallback: defaultSilenceTimeoutMs)
+        let speechLocaleID = TalkConfigParsing.resolvedSpeechLocaleID(talk)
 
         return TalkModeGatewayConfigState(
             activeProvider: activeProvider,
@@ -64,6 +66,7 @@ enum TalkModeGatewayConfigParser {
             defaultOutputFormat: defaultOutputFormat,
             rawConfigApiKey: rawConfigApiKey,
             interruptOnSpeech: interruptOnSpeech,
-            silenceTimeoutMs: silenceTimeoutMs)
+            silenceTimeoutMs: silenceTimeoutMs,
+            speechLocaleID: speechLocaleID)
     }
 }

apps/ios/Sources/Voice/TalkModeManager.swift

@@ -87,6 +87,7 @@ final class TalkModeManager: NSObject {
     private var apiKey: String?
     private var voiceAliases: [String: String] = [:]
     private var interruptOnSpeech: Bool = true
+    private var gatewaySpeechLocaleID: String?
     private var mainSessionKey: String = "main"
     private var fallbackVoiceId: String?
     private var lastPlaybackWasPCM: Bool = false
@@ -500,12 +501,17 @@ final class TalkModeManager: NSObject {
         #endif
 
         self.stopRecognition()
-        self.speechRecognizer = SFSpeechRecognizer()
+        let localSpeechLocale = UserDefaults.standard.string(forKey: TalkSpeechLocale.storageKey)
+        let resolvedSpeech = TalkSpeechLocale.makeRecognizer(
+            localSelection: localSpeechLocale,
+            gatewaySelection: self.gatewaySpeechLocaleID)
+        self.speechRecognizer = resolvedSpeech.recognizer
         guard let recognizer = self.speechRecognizer else {
             throw NSError(domain: "TalkMode", code: 1, userInfo: [
                 NSLocalizedDescriptionKey: "Speech recognizer unavailable",
             ])
         }
+        GatewayDiagnostics.log("talk speech: locale=\(resolvedSpeech.localeID ?? "default")")
 
         self.recognitionRequest = SFSpeechAudioBufferRecognitionRequest()
         self.recognitionRequest?.shouldReportPartialResults = true
@@ -2027,6 +2033,7 @@ extension TalkModeManager {
             if let interrupt = parsed.interruptOnSpeech {
                 self.interruptOnSpeech = interrupt
             }
+            self.gatewaySpeechLocaleID = parsed.speechLocaleID
             self.silenceWindow = TimeInterval(parsed.silenceTimeoutMs) / 1000
             if parsed.normalizedPayload || parsed.defaultVoiceId != nil || parsed.rawConfigApiKey != nil {
                 GatewayDiagnostics.log(
@@ -2041,6 +2048,7 @@ extension TalkModeManager {
             self.gatewayTalkDefaultModelId = nil
             self.gatewayTalkApiKeyConfigured = false
             self.gatewayTalkConfigLoaded = false
+            self.gatewaySpeechLocaleID = nil
             self.silenceWindow = TimeInterval(Self.defaultSilenceTimeoutMs) / 1000
         }
     }

apps/ios/Sources/Voice/TalkSpeechLocale.swift

@@ -0,0 +1,100 @@
+import Foundation
+import OpenClawKit
+import Speech
+
+enum TalkSpeechLocale {
+    static let storageKey = "talk.speechLocale"
+    static let automaticID = "auto"
+    static let fallbackLocaleID = "en-US"
+
+    struct Option: Identifiable {
+        let id: String
+        let label: String
+    }
+
+    static func supportedOptions(
+        supportedLocales: Set<Locale> = SFSpeechRecognizer.supportedLocales()
+    ) -> [Option] {
+        var seen = Set<String>()
+        let dynamic: [Option] = supportedLocales
+            .compactMap { locale in
+                let id = self.canonicalID(locale.identifier)
+                guard seen.insert(id).inserted else { return nil }
+                return Option(id: id, label: self.friendlyName(for: locale))
+            }
+            .sorted { (lhs: Option, rhs: Option) in
+                lhs.label.localizedCaseInsensitiveCompare(rhs.label) == .orderedAscending
+            }
+        return [Option(id: self.automaticID, label: "Automatic")] + dynamic
+    }
+
+    static func resolvedLocaleID(
+        localSelection: String?,
+        gatewaySelection: String?,
+        deviceLocaleID: String = Locale.autoupdatingCurrent.identifier,
+        fallbackLocaleID: String = Self.fallbackLocaleID,
+        supportedLocaleIDs: Set<String>
+    ) -> String? {
+        TalkConfigParsing.resolvedSpeechRecognitionLocaleID(
+            preferredLocaleIDs: [
+                TalkConfigParsing.normalizedExplicitSpeechLocaleID(localSelection),
+                TalkConfigParsing.normalizedExplicitSpeechLocaleID(gatewaySelection),
+                deviceLocaleID,
+            ],
+            fallbackLocaleID: fallbackLocaleID,
+            supportedLocaleIDs: supportedLocaleIDs)
+    }
+
+    static func makeRecognizer(
+        localSelection: String?,
+        gatewaySelection: String?,
+        supportedLocales: Set<Locale> = SFSpeechRecognizer.supportedLocales()
+    ) -> (recognizer: SFSpeechRecognizer?, localeID: String?) {
+        let supportedIDs = Set(supportedLocales.map(\.identifier))
+        guard let localeID = self.resolvedLocaleID(
+            localSelection: localSelection,
+            gatewaySelection: gatewaySelection,
+            supportedLocaleIDs: supportedIDs)
+        else {
+            let recognizer = SFSpeechRecognizer()
+            return (recognizer, recognizer?.locale.identifier)
+        }
+
+        if let recognizer = SFSpeechRecognizer(locale: Locale(identifier: localeID)) {
+            return (recognizer, localeID)
+        }
+
+        let recognizer = SFSpeechRecognizer()
+        return (recognizer, recognizer?.locale.identifier)
+    }
+
+    static func normalizedExplicitLocaleID(_ raw: String?) -> String? {
+        TalkConfigParsing.normalizedExplicitSpeechLocaleID(raw, automaticID: self.automaticID)
+    }
+
+    private static func normalizedLocaleID(_ raw: String?) -> String? {
+        TalkConfigParsing.normalizedSpeechLocaleID(raw)
+    }
+
+    private static func canonicalID(_ raw: String) -> String {
+        raw.replacingOccurrences(of: "_", with: "-")
+    }
+
+    private static func friendlyName(for locale: Locale) -> String {
+        let id = self.canonicalID(locale.identifier)
+        let cleanLocale = Locale(identifier: id)
+        if let langCode = cleanLocale.language.languageCode?.identifier,
+           let lang = cleanLocale.localizedString(forLanguageCode: langCode),
+           let regionCode = cleanLocale.region?.identifier,
+           let region = cleanLocale.localizedString(forRegionCode: regionCode)
+        {
+            return "\(lang) (\(region))"
+        }
+        if let langCode = cleanLocale.language.languageCode?.identifier,
+           let lang = cleanLocale.localizedString(forLanguageCode: langCode)
+        {
+            return lang
+        }
+        return cleanLocale.localizedString(forIdentifier: id) ?? id
+    }
+}