Revert "feat(speech): add realtime prompt dictation support"

This reverts commit f9b5e2b529.

packages/server/src/speech/service.ts

@@ -10,8 +10,6 @@ const ServerSpeechSettingsSchema = z.object({
       provider: z.string().optional(),
       apiKey: z.string().optional(),
       baseUrl: z.string().optional(),
-      useRealtime: z.boolean().optional(),
-      realtimeModel: z.string().optional(),
       sttModel: z.string().optional(),
       ttsModel: z.string().optional(),
       ttsVoice: z.string().optional(),
@@ -42,26 +40,12 @@ export interface NormalizedSpeechSettings {
   provider: string
   apiKey?: string
   baseUrl?: string
-  realtimeModel: string
   sttModel: string
   ttsModel: string
   ttsVoice: string
 }
 
-export interface RealtimeTranscriptionConfig {
-  provider: string
-  apiKey: string
-  baseUrl?: string
-  realtimeModel: string
-  sttModel: string
-  inputFormat: {
-    type: "audio/pcm"
-    rate: 24000
-  }
-}
-
 const DEFAULT_PROVIDER = "openai-compatible"
-const DEFAULT_REALTIME_MODEL = "gpt-realtime"
 const DEFAULT_STT_MODEL = "gpt-4o-mini-transcribe"
 const DEFAULT_TTS_MODEL = "gpt-4o-mini-tts"
 const DEFAULT_TTS_VOICE = "alloy"
@@ -83,25 +67,6 @@ export class SpeechService {
     return this.createProvider().synthesize(input)
   }
 
-  getRealtimeTranscriptionConfig(): RealtimeTranscriptionConfig {
-    const settings = this.resolveSettings()
-    if (!settings.apiKey) {
-      throw new Error("Speech provider is not configured. Add an API key in Speech settings.")
-    }
-
-    return {
-      provider: settings.provider,
-      apiKey: settings.apiKey,
-      baseUrl: settings.baseUrl,
-      realtimeModel: settings.realtimeModel,
-      sttModel: settings.sttModel,
-      inputFormat: {
-        type: "audio/pcm",
-        rate: 24000,
-      },
-    }
-  }
-
   private createProvider(): SpeechProvider {
     const settings = this.resolveSettings()
     return new OpenAICompatibleSpeechProvider({
@@ -118,7 +83,6 @@ export class SpeechService {
       provider: speech.provider?.trim() || DEFAULT_PROVIDER,
       apiKey: speech.apiKey?.trim() || process.env.OPENAI_API_KEY,
       baseUrl: speech.baseUrl?.trim() || process.env.OPENAI_BASE_URL || undefined,
-      realtimeModel: speech.realtimeModel?.trim() || DEFAULT_REALTIME_MODEL,
       sttModel: speech.sttModel?.trim() || DEFAULT_STT_MODEL,
       ttsModel: speech.ttsModel?.trim() || DEFAULT_TTS_MODEL,
       ttsVoice: speech.ttsVoice?.trim() || DEFAULT_TTS_VOICE,