chore: import upstream snapshot with attribution

apps/sim/tools/tts/cartesia.ts

@@ -0,0 +1,127 @@
+import type { CartesiaTtsParams, TtsBlockResponse } from '@/tools/tts/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const cartesiaTtsTool: ToolConfig<CartesiaTtsParams, TtsBlockResponse> = {
+  id: 'tts_cartesia',
+  name: 'Cartesia TTS',
+  description: 'Convert text to speech using Cartesia Sonic (ultra-low latency)',
+  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: 'Cartesia API key',
+    },
+    modelId: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Cartesia model identifier (e.g., "sonic", "sonic-2", "sonic-3", "sonic-multilingual")',
+    },
+    voice: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Cartesia voice identifier or embedding (e.g., "a0e99841-438c-4a64-b679-ae501e7d6091")',
+    },
+    language: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Language code for speech synthesis (e.g., "en", "es", "fr", "de", "it", "pt")',
+    },
+    outputFormat: {
+      type: 'json',
+      required: false,
+      visibility: 'user-only',
+      description: 'Output format configuration (container, encoding, sampleRate)',
+    },
+    speed: {
+      type: 'number',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Speech speed multiplier (e.g., 0.5 for slower, 1.0 for normal, 2.0 for faster)',
+    },
+    emotion: {
+      type: 'array',
+      required: false,
+      visibility: 'user-only',
+      description: "Emotion tags for Sonic-3 (e.g., ['positivity:high'])",
+    },
+  },
+
+  request: {
+    url: '/api/tools/tts/unified',
+    method: 'POST',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+    body: (
+      params: CartesiaTtsParams & {
+        _context?: { workspaceId?: string; workflowId?: string; executionId?: string }
+      }
+    ) => ({
+      provider: 'cartesia',
+      text: params.text,
+      apiKey: params.apiKey,
+      modelId: params.modelId || 'sonic-3',
+      voice: params.voice,
+      language: params.language || 'en',
+      outputFormat: params.outputFormat || {
+        container: 'mp3',
+        encoding: 'pcm_f32le',
+        sampleRate: 44100,
+      },
+      speed: params.speed,
+      emotion: params.emotion,
+      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' },
+  },
+}