chore: import upstream snapshot with attribution

apps/sim/tools/tts/google.ts

@@ -0,0 +1,145 @@
+import type { GoogleTtsParams, TtsBlockResponse } from '@/tools/tts/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const googleTtsTool: ToolConfig<GoogleTtsParams, TtsBlockResponse> = {
+  id: 'tts_google',
+  name: 'Google Cloud TTS',
+  description: 'Convert text to speech using Google Cloud Text-to-Speech',
+  version: '1.0.0',
+
+  params: {
+    text: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'The text content to convert to speech (e.g., "Hello, welcome to our service!")',
+    },
+    apiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Google Cloud API key',
+    },
+    voiceId: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Google Cloud voice identifier (e.g., "en-US-Neural2-A", "en-US-Wavenet-D", "en-GB-Neural2-B")',
+    },
+    languageCode: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description:
+        'BCP-47 language code for speech synthesis (e.g., "en-US", "es-ES", "fr-FR", "de-DE")',
+    },
+    gender: {
+      type: 'string',
+      required: false,
+      visibility: 'user-only',
+      description: 'Voice gender (MALE, FEMALE, NEUTRAL)',
+    },
+    audioEncoding: {
+      type: 'string',
+      required: false,
+      visibility: 'user-only',
+      description: 'Audio encoding (LINEAR16, MP3, OGG_OPUS, MULAW, ALAW)',
+    },
+    speakingRate: {
+      type: 'number',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Speaking rate multiplier from 0.25 to 2.0 (e.g., 0.5 for slower, 1.0 for normal, 1.5 for faster)',
+    },
+    pitch: {
+      type: 'number',
+      required: false,
+      visibility: 'user-only',
+      description: 'Voice pitch (-20.0 to 20.0, default: 0.0)',
+    },
+    volumeGainDb: {
+      type: 'number',
+      required: false,
+      visibility: 'user-only',
+      description: 'Volume gain in dB (-96.0 to 16.0)',
+    },
+    sampleRateHertz: {
+      type: 'number',
+      required: false,
+      visibility: 'user-only',
+      description: 'Sample rate in Hz',
+    },
+    effectsProfileId: {
+      type: 'array',
+      required: false,
+      visibility: 'user-only',
+      description: "Effects profile (e.g., ['headphone-class-device'])",
+    },
+  },
+
+  request: {
+    url: '/api/tools/tts/unified',
+    method: 'POST',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+    body: (
+      params: GoogleTtsParams & {
+        _context?: { workspaceId?: string; workflowId?: string; executionId?: string }
+      }
+    ) => ({
+      provider: 'google',
+      text: params.text,
+      apiKey: params.apiKey,
+      voiceId: params.voiceId,
+      languageCode: params.languageCode,
+      gender: params.gender,
+      audioEncoding: params.audioEncoding || 'MP3',
+      speakingRate: params.speakingRate ?? 1.0,
+      pitch: params.pitch ?? 0.0,
+      volumeGainDb: params.volumeGainDb,
+      sampleRateHertz: params.sampleRateHertz,
+      effectsProfileId: params.effectsProfileId,
+      workspaceId: params._context?.workspaceId,
+      workflowId: params._context?.workflowId,
+      executionId: params._context?.executionId,
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (!response.ok || data.error) {
+      return {
+        success: false,
+        error: data.error || 'TTS generation failed',
+        output: {
+          audioUrl: '',
+        },
+      }
+    }
+
+    return {
+      success: true,
+      output: {
+        audioUrl: data.audioUrl,
+        audioFile: data.audioFile,
+        duration: data.duration,
+        characterCount: data.characterCount,
+        format: data.format,
+        provider: data.provider,
+      },
+    }
+  },
+
+  outputs: {
+    audioUrl: { type: 'string', description: 'URL to the generated audio file' },
+    audioFile: { type: 'file', description: 'Generated audio file object' },
+    duration: { type: 'number', description: 'Audio duration in seconds' },
+    characterCount: { type: 'number', description: 'Number of characters processed' },
+    format: { type: 'string', description: 'Audio format' },
+    provider: { type: 'string', description: 'TTS provider used' },
+  },
+}