Adds an option to transcribe server STT audio when stopping voice input. (#1219)

* feat(voice): add transcribe-on-stop recognition option

* fix(voice): tighten transcribe-on-stop cleanup

* fix(voice): address transcribe-on-stop review feedback

* fix(voice): scope transcribe-on-stop to server STT

---------

Co-authored-by: Konstantin Zolin <kzolin@alfabank.ru>
Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/stores/useConfigStore.ts

@@ -510,6 +510,7 @@ interface ConfigStore {
     sttLanguage: string;
     sttSilenceThresholdDb: number;
     sttSilenceHoldMs: number;
+    sttTranscribeOnStop: boolean;
     showMessageTTSButtons: boolean;
     voiceModeEnabled: boolean;
     // Summarization settings
@@ -533,6 +534,7 @@ interface ConfigStore {
     setSttLanguage: (lang: string) => void;
     setSttSilenceThresholdDb: (db: number) => void;
     setSttSilenceHoldMs: (ms: number) => void;
+    setSttTranscribeOnStop: (enabled: boolean) => void;
     setShowMessageTTSButtons: (show: boolean) => void;
     setVoiceModeEnabled: (enabled: boolean) => void;
     setSummarizeMessageTTS: (enabled: boolean) => void;
@@ -760,6 +762,13 @@ export const useConfigStore = create<ConfigStore>()(
                     }
                     return 1500;
                 })(),
+                sttTranscribeOnStop: (() => {
+                    if (typeof window !== 'undefined') {
+                        const saved = localStorage.getItem('sttTranscribeOnStop');
+                        if (saved === 'true') return true;
+                    }
+                    return false;
+                })(),
                 // Show TTS buttons on messages - disabled by default until user enables it
                 showMessageTTSButtons: (() => {
                     if (typeof window !== 'undefined') {
@@ -1865,6 +1874,13 @@ export const useConfigStore = create<ConfigStore>()(
                     }
                 },
 
+                setSttTranscribeOnStop: (enabled: boolean) => {
+                    set({ sttTranscribeOnStop: enabled });
+                    if (typeof window !== 'undefined') {
+                        localStorage.setItem('sttTranscribeOnStop', String(enabled));
+                    }
+                },
+
                 setShowMessageTTSButtons: (show: boolean) => {
                     set({ showMessageTTSButtons: show });
                     if (typeof window !== 'undefined') {