Sergei
f4a239ff43
Changes to contexts/VoiceContext.tsx: - Increase rate from 0.9 to 1.1 (faster, more natural) - Increase pitch from 1.0 to 1.15 (slightly higher, less robotic) - Add iOS premium voice (Samantha - Siri quality) - Android continues to use default high-quality voice This fixes the complaint that the voice sounded "отсталый" (backward/outdated) and "жёсткий" (harsh/stiff) on iOS. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
611 lines
21 KiB
TypeScript
611 lines
21 KiB
TypeScript
/**
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* Voice Context - Local STT/TTS integration with WellNuo API
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*
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* Provides voice session management:
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* - STT (Speech-to-Text) via expo-speech-recognition
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* - API calls to WellNuo ask_wellnuo_ai
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* - TTS (Text-to-Speech) via expo-speech
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*
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* Flow: User speaks → STT → API → Response → TTS → Continue listening
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*/
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import React, {
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createContext,
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useContext,
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useState,
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useCallback,
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useRef,
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ReactNode,
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} from 'react';
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import { Platform } from 'react-native';
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import * as Speech from 'expo-speech';
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import { api } from '@/services/api';
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import { useVoiceTranscript } from './VoiceTranscriptContext';
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// WellNuo API configuration (same as chat.tsx)
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const API_URL = 'https://eluxnetworks.net/function/well-api/api';
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const WELLNUO_USER = 'anandk';
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const WELLNUO_PASSWORD = 'anandk_8';
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// Single deployment mode - sends only deployment_id (no beneficiary_names_dict)
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const SINGLE_DEPLOYMENT_MODE = true;
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// Keywords for question normalization (same as chat.tsx)
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const STATUS_KEYWORDS = [
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/\bhow\s+is\b/i,
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/\bhow'?s\b/i,
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/\bhow\s+are\b/i,
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/\btell\s+me\s+about\b/i,
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/\bwhat'?s\s+up\s+with\b/i,
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/\bupdate\s+on\b/i,
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/\bstatus\b/i,
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/\bdoing\b/i,
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/\bfeeling\b/i,
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/\bcheck\s+on\b/i,
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/\bis\s+\w+\s+okay\b/i,
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/\bis\s+\w+\s+alright\b/i,
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/\bis\s+\w+\s+fine\b/i,
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/\bokay\?\b/i,
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/\balright\?\b/i,
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];
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const SUBJECT_KEYWORDS = [
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/\bdad\b/i,
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/\bfather\b/i,
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/\bferdinand\b/i,
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/\bhim\b/i,
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/\bhe\b/i,
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/\bmy\s+dad\b/i,
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/\bmy\s+father\b/i,
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/\bthe\s+patient\b/i,
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/\bloved\s+one\b/i,
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/\bparent\b/i,
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/\bgrandpa\b/i,
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/\bgrandfather\b/i,
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];
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/**
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* Normalize question for WellNuo API (same logic as chat.tsx)
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*/
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function normalizeQuestion(userMessage: string): string {
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const msgLower = userMessage.toLowerCase().trim();
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const isStatusQuery = STATUS_KEYWORDS.some((pattern) => pattern.test(msgLower));
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const isAboutRecipient = SUBJECT_KEYWORDS.some((pattern) => pattern.test(msgLower));
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if (isStatusQuery && isAboutRecipient) {
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console.log(`[VoiceContext] Normalized '${userMessage}' -> 'how is dad doing'`);
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return 'how is dad doing';
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}
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if (isStatusQuery && !isAboutRecipient) {
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console.log(
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`[VoiceContext] Normalized '${userMessage}' -> 'how is dad doing' (assumed recipient)`
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);
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return 'how is dad doing';
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}
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console.log(`[VoiceContext] No normalization applied to: '${userMessage}'`);
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return userMessage;
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}
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export type VoiceStatus = 'idle' | 'listening' | 'processing' | 'speaking';
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interface VoiceContextValue {
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// Current status of the voice session
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status: VoiceStatus;
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// Whether voice session is active (not idle)
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isActive: boolean;
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// Whether STT is currently listening
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isListening: boolean;
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// Whether TTS is currently speaking
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isSpeaking: boolean;
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// Whether processing API request
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isProcessing: boolean;
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// Current/last transcript from STT
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transcript: string;
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// Partial transcript (real-time preview)
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partialTranscript: string;
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// Last API response
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lastResponse: string | null;
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// Error message if any
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error: string | null;
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// Start voice session (begin listening)
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startSession: () => void;
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// Stop voice session
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stopSession: () => void;
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// Send transcript to API and get response with TTS
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// Called automatically when STT detects speech end, or manually
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sendTranscript: (text: string) => Promise<string | null>;
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// Update transcript from external STT hook
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setTranscript: (text: string) => void;
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setPartialTranscript: (text: string) => void;
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// Set status from external STT/TTS hooks
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setStatus: (status: VoiceStatus) => void;
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setIsListening: (listening: boolean) => void;
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setIsSpeaking: (speaking: boolean) => void;
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// Speak text using TTS
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speak: (text: string) => Promise<void>;
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// Stop TTS
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stopSpeaking: () => void;
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// Interrupt TTS if speaking (call when user starts talking)
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interruptIfSpeaking: () => boolean;
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// Voice API configuration
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voiceApiType: 'voice_ask' | 'ask_wellnuo_ai';
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updateVoiceApiType: (type: 'voice_ask' | 'ask_wellnuo_ai') => void;
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}
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const VoiceContext = createContext<VoiceContextValue | undefined>(undefined);
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export function VoiceProvider({ children }: { children: ReactNode }) {
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const [status, setStatus] = useState<VoiceStatus>('idle');
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const [transcript, setTranscript] = useState('');
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const [partialTranscript, setPartialTranscript] = useState('');
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const [lastResponse, setLastResponse] = useState<string | null>(null);
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const [error, setError] = useState<string | null>(null);
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const [isListening, setIsListening] = useState(false);
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const [isSpeaking, setIsSpeaking] = useState(false);
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// Voice transcript context for chat display
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const { addTranscriptEntry } = useVoiceTranscript();
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// API token cache
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const apiTokenRef = useRef<string | null>(null);
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// Abort controller for cancelling in-flight API requests
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const abortControllerRef = useRef<AbortController | null>(null);
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// Flag to prevent speak() after session stopped
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const sessionStoppedRef = useRef(false);
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// Deployment ID from settings
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const deploymentIdRef = useRef<string | null>(null);
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// Voice API type (voice_ask or ask_wellnuo_ai)
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const [voiceApiType, setVoiceApiType] = useState<'voice_ask' | 'ask_wellnuo_ai'>('ask_wellnuo_ai');
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// Load voice API type on mount
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React.useEffect(() => {
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const loadVoiceApiType = async () => {
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const savedType = await api.getVoiceApiType();
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setVoiceApiType(savedType);
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console.log('[VoiceContext] Loaded voice API type:', savedType);
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};
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loadVoiceApiType();
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}, []);
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// Load deployment ID on mount
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React.useEffect(() => {
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const loadDeploymentId = async () => {
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const savedId = await api.getDeploymentId();
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deploymentIdRef.current = savedId;
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console.log('[VoiceContext] Loaded deployment ID:', savedId);
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};
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loadDeploymentId();
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}, []);
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/**
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* Update voice API type (voice_ask or ask_wellnuo_ai)
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*/
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const updateVoiceApiType = useCallback(async (type: 'voice_ask' | 'ask_wellnuo_ai') => {
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console.log('[VoiceContext] Updating voice API type to:', type);
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setVoiceApiType(type);
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await api.setVoiceApiType(type);
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}, []);
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/**
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* Get WellNuo API token (same as chat.tsx)
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*/
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const getWellNuoToken = useCallback(async (): Promise<string> => {
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if (apiTokenRef.current) {
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return apiTokenRef.current;
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}
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const nonce = Math.floor(Math.random() * 1000000).toString();
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const response = await fetch(API_URL, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: new URLSearchParams({
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function: 'credentials',
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clientId: 'MA_001',
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user_name: WELLNUO_USER,
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ps: WELLNUO_PASSWORD,
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nonce: nonce,
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}).toString(),
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});
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const data = await response.json();
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if (data.status === '200 OK' && data.access_token) {
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apiTokenRef.current = data.access_token;
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console.log('[VoiceContext] WellNuo token obtained');
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return data.access_token;
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}
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throw new Error('Failed to authenticate with WellNuo API');
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}, []);
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/**
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* Send transcript to WellNuo API and speak the response
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*/
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const sendTranscript = useCallback(
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async (text: string): Promise<string | null> => {
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const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
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const trimmedText = text.trim();
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if (!trimmedText) {
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console.log(`${platformPrefix} [VoiceContext] Empty transcript, skipping API call`);
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return null;
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}
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// Don't send if session was stopped
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if (sessionStoppedRef.current) {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ Session stopped, skipping API call`);
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return null;
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}
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console.log(`${platformPrefix} [VoiceContext] 📤 Sending transcript to API (${voiceApiType}): "${trimmedText}"`);
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setStatus('processing');
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setError(null);
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// Add user message to transcript for chat display
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addTranscriptEntry('user', trimmedText);
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// Create abort controller for this request
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if (abortControllerRef.current) {
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abortControllerRef.current.abort();
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}
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const abortController = new AbortController();
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abortControllerRef.current = abortController;
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try {
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const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
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// Get API token
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console.log(`${platformPrefix} [VoiceContext] 🔑 Getting API token...`);
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const token = await getWellNuoToken();
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console.log(`${platformPrefix} [VoiceContext] ✅ Token obtained`);
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// Check if aborted
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if (abortController.signal.aborted || sessionStoppedRef.current) {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ Request aborted before API call`);
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return null;
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}
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// Normalize question
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const normalizedQuestion = normalizeQuestion(trimmedText);
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console.log(`${platformPrefix} [VoiceContext] 📝 Normalized question: "${normalizedQuestion}"`);
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// Get deployment ID
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const deploymentId = deploymentIdRef.current || '21';
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// Log which API type we're using
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console.log(`${platformPrefix} [VoiceContext] 📡 Using API type: ${voiceApiType}, deployment: ${deploymentId}`);
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// Build request params
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const requestParams: Record<string, string> = {
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function: voiceApiType, // Use the selected voiceApiType
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clientId: 'MA_001',
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user_name: WELLNUO_USER,
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token: token,
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question: normalizedQuestion,
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deployment_id: deploymentId,
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};
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// Only add beneficiary_names_dict if NOT in single deployment mode
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if (!SINGLE_DEPLOYMENT_MODE) {
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// For full app, would include beneficiary names dict
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// Currently single deployment mode only
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}
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console.log(`${platformPrefix} [VoiceContext] 🌐 Sending API request...`);
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const response = await fetch(API_URL, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: new URLSearchParams(requestParams).toString(),
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signal: abortController.signal,
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});
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console.log(`${platformPrefix} [VoiceContext] 📥 API response received, parsing...`);
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const data = await response.json();
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// Check if session was stopped while waiting for response
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if (sessionStoppedRef.current) {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ Session stopped during API call, discarding response`);
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return null;
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}
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if (data.ok && data.response?.body) {
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const responseText = data.response.body;
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console.log(`${platformPrefix} [VoiceContext] ✅ API SUCCESS: "${responseText.slice(0, 100)}..."`);
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setLastResponse(responseText);
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// Add Julia's response to transcript for chat display
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addTranscriptEntry('assistant', responseText);
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console.log(`${platformPrefix} [VoiceContext] 🔊 Starting TTS for response...`);
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// Speak the response (will be skipped if session stopped)
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await speak(responseText);
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console.log(`${platformPrefix} [VoiceContext] ✅ TTS completed`);
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return responseText;
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} else {
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// Token might be expired - retry with new token
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if (data.status === '401 Unauthorized') {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ 401 Unauthorized - Token expired, retrying...`);
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apiTokenRef.current = null;
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// Get new token and retry request
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console.log(`${platformPrefix} [VoiceContext] 🔑 Getting new token for retry...`);
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const newToken = await getWellNuoToken();
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const retryRequestParams: Record<string, string> = {
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function: voiceApiType,
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clientId: 'MA_001',
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user_name: WELLNUO_USER,
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token: newToken,
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question: normalizedQuestion,
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deployment_id: deploymentId,
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};
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const retryResponse = await fetch(API_URL, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: new URLSearchParams(retryRequestParams).toString(),
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signal: abortController.signal,
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});
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const retryData = await retryResponse.json();
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if (retryData.ok && retryData.response?.body) {
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const responseText = retryData.response.body;
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console.log(`${platformPrefix} [VoiceContext] ✅ Retry SUCCEEDED: "${responseText.slice(0, 100)}..."`);
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setLastResponse(responseText);
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addTranscriptEntry('assistant', responseText);
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await speak(responseText);
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return responseText;
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} else {
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console.error(`${platformPrefix} [VoiceContext] ❌ Retry FAILED:`, retryData.message);
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throw new Error(retryData.message || 'Could not get response after retry');
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}
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}
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console.error(`${platformPrefix} [VoiceContext] ❌ API error:`, data.message || data.status);
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throw new Error(data.message || 'Could not get response');
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}
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} catch (err) {
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const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
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// Ignore abort errors
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if (err instanceof Error && err.name === 'AbortError') {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ API request aborted`);
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return null;
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}
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// Handle API errors gracefully with voice feedback
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const errorMsg = err instanceof Error ? err.message : 'Unknown error';
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console.error(`${platformPrefix} [VoiceContext] ❌ API ERROR:`, errorMsg);
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// Create user-friendly error message for TTS
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const spokenError = `Sorry, I encountered an error: ${errorMsg}. Please try again.`;
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// Add error to transcript for chat display
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addTranscriptEntry('assistant', spokenError);
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// Speak the error message
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await speak(spokenError);
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// Don't set status to idle - return to listening after speaking error
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// This keeps the voice session active
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setError(errorMsg);
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return null;
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}
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},
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[getWellNuoToken, addTranscriptEntry, voiceApiType]
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);
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/**
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* Interrupt TTS when user starts speaking
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* Call this from the STT hook when voice activity is detected
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*/
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const interruptIfSpeaking = useCallback(() => {
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const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
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if (isSpeaking) {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ User INTERRUPTED - stopping TTS`);
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Speech.stop();
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setIsSpeaking(false);
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setStatus('listening');
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console.log(`${platformPrefix} [VoiceContext] → TTS stopped, status=listening`);
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return true;
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} else {
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console.log(`${platformPrefix} [VoiceContext] interruptIfSpeaking called but NOT speaking`);
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return false;
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}
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}, [isSpeaking]);
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/**
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* Speak text using TTS
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*/
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const speak = useCallback(async (text: string): Promise<void> => {
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const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
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if (!text.trim()) {
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console.log(`${platformPrefix} [VoiceContext] Empty text, skipping TTS`);
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return;
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}
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// Don't speak if session was stopped
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if (sessionStoppedRef.current) {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ Session stopped, skipping TTS`);
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return;
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}
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console.log(`${platformPrefix} [VoiceContext] 🔊 Starting TTS: "${text.slice(0, 50)}..."`);
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setStatus('speaking');
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setIsSpeaking(true);
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return new Promise((resolve) => {
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Speech.speak(text, {
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language: 'en-US',
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rate: 1.1, // Faster, more natural (was 0.9)
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pitch: 1.15, // Slightly higher, less robotic (was 1.0)
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// iOS Premium voice (Siri-quality, female)
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// Android will use default high-quality voice
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voice: Platform.OS === 'ios' ? 'com.apple.voice.premium.en-US.Samantha' : undefined,
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onStart: () => {
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console.log(`${platformPrefix} [VoiceContext] ▶️ TTS playback STARTED`);
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},
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onDone: () => {
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console.log(`${platformPrefix} [VoiceContext] ✅ TTS playback COMPLETED`);
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// On iOS: Delay turning off green indicator to match STT restart delay (300ms)
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// On Android: Turn off immediately (audio focus conflict with STT)
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if (Platform.OS === 'ios') {
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console.log('[iOS] [VoiceContext] ⏱️ Delaying isSpeaking=false by 300ms (match STT restart)');
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setTimeout(() => {
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console.log('[iOS] [VoiceContext] → isSpeaking = false (after 300ms delay)');
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setIsSpeaking(false);
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}, 300);
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} else {
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console.log('[Android] [VoiceContext] → isSpeaking = false (immediate - audio focus release)');
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setIsSpeaking(false);
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}
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// Return to listening state after speaking (if session wasn't stopped)
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if (!sessionStoppedRef.current) {
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console.log(`${platformPrefix} [VoiceContext] → status = listening (ready for next input)`);
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setStatus('listening');
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} else {
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console.log(`${platformPrefix} [VoiceContext] ⚠️ Session stopped, NOT returning to listening`);
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}
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|
resolve();
|
|
},
|
|
onError: (error) => {
|
|
console.error(`${platformPrefix} [VoiceContext] ❌ TTS ERROR:`, error);
|
|
// On error, turn off indicator immediately (no delay)
|
|
setIsSpeaking(false);
|
|
if (!sessionStoppedRef.current) {
|
|
setStatus('listening');
|
|
}
|
|
resolve();
|
|
},
|
|
onStopped: () => {
|
|
console.log(`${platformPrefix} [VoiceContext] ⏹️ TTS STOPPED (interrupted by user)`);
|
|
// When interrupted by user, turn off indicator immediately
|
|
setIsSpeaking(false);
|
|
// Don't set status to listening if session was stopped by user
|
|
if (!sessionStoppedRef.current) {
|
|
console.log(`${platformPrefix} [VoiceContext] → status = listening (after interruption)`);
|
|
setStatus('listening');
|
|
} else {
|
|
console.log(`${platformPrefix} [VoiceContext] ⚠️ Session stopped, NOT returning to listening`);
|
|
}
|
|
resolve();
|
|
},
|
|
});
|
|
});
|
|
}, []);
|
|
|
|
/**
|
|
* Stop TTS playback
|
|
*/
|
|
const stopSpeaking = useCallback(() => {
|
|
Speech.stop();
|
|
setIsSpeaking(false);
|
|
}, []);
|
|
|
|
/**
|
|
* Start voice session
|
|
*/
|
|
const startSession = useCallback(() => {
|
|
const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
|
|
console.log(`${platformPrefix} [VoiceContext] 🎤 STARTING voice session`);
|
|
sessionStoppedRef.current = false;
|
|
setStatus('listening');
|
|
setIsListening(true);
|
|
setError(null);
|
|
setTranscript('');
|
|
setPartialTranscript('');
|
|
console.log(`${platformPrefix} [VoiceContext] → Session initialized, status=listening`);
|
|
}, []);
|
|
|
|
/**
|
|
* Stop voice session
|
|
*/
|
|
const stopSession = useCallback(() => {
|
|
const platformPrefix = Platform.OS === 'ios' ? '[iOS]' : '[Android]';
|
|
console.log(`${platformPrefix} [VoiceContext] 🛑 STOPPING voice session`);
|
|
|
|
// Mark session as stopped FIRST to prevent any pending callbacks
|
|
sessionStoppedRef.current = true;
|
|
console.log(`${platformPrefix} [VoiceContext] → sessionStopped flag set to TRUE`);
|
|
|
|
// Abort any in-flight API requests
|
|
if (abortControllerRef.current) {
|
|
console.log(`${platformPrefix} [VoiceContext] → Aborting in-flight API request`);
|
|
abortControllerRef.current.abort();
|
|
abortControllerRef.current = null;
|
|
}
|
|
|
|
// Stop TTS
|
|
console.log(`${platformPrefix} [VoiceContext] → Stopping TTS`);
|
|
Speech.stop();
|
|
|
|
// Reset all state
|
|
console.log(`${platformPrefix} [VoiceContext] → Resetting all state to idle`);
|
|
setStatus('idle');
|
|
setIsListening(false);
|
|
setIsSpeaking(false);
|
|
setError(null);
|
|
console.log(`${platformPrefix} [VoiceContext] ✅ Voice session stopped`);
|
|
}, []);
|
|
|
|
// Computed values
|
|
const isActive = status !== 'idle';
|
|
const isProcessing = status === 'processing';
|
|
|
|
return (
|
|
<VoiceContext.Provider
|
|
value={{
|
|
status,
|
|
isActive,
|
|
isListening,
|
|
isSpeaking,
|
|
isProcessing,
|
|
transcript,
|
|
partialTranscript,
|
|
lastResponse,
|
|
error,
|
|
startSession,
|
|
stopSession,
|
|
sendTranscript,
|
|
setTranscript,
|
|
setPartialTranscript,
|
|
setStatus,
|
|
setIsListening,
|
|
setIsSpeaking,
|
|
speak,
|
|
stopSpeaking,
|
|
interruptIfSpeaking,
|
|
voiceApiType,
|
|
updateVoiceApiType,
|
|
}}
|
|
>
|
|
{children}
|
|
</VoiceContext.Provider>
|
|
);
|
|
}
|
|
|
|
export function useVoice() {
|
|
const context = useContext(VoiceContext);
|
|
if (!context) {
|
|
throw new Error('useVoice must be used within VoiceProvider');
|
|
}
|
|
return context;
|
|
}
|