Initial scaffold: Expo SDK 56, expo-router, expo-sqlite, NativeWind

hooks/useVoice.ts

@@ -0,0 +1,55 @@
+import { useState, useCallback, useRef } from "react";
+import {
+  ExpoSpeechRecognitionModule,
+  useSpeechRecognitionEvent,
+} from "expo-speech-recognition";
+
+export type VoiceState = "idle" | "listening" | "processing" | "error";
+
+export function useVoice() {
+  const [state, setState] = useState<VoiceState>("idle");
+  const [transcript, setTranscript] = useState("");
+  const [error, setError] = useState<string | null>(null);
+
+  useSpeechRecognitionEvent("start", () => setState("listening"));
+
+  useSpeechRecognitionEvent("end", () => {
+    setState((s) => (s === "listening" ? "processing" : s));
+  });
+
+  useSpeechRecognitionEvent("result", (event) => {
+    const best = event.results[0]?.transcript ?? "";
+    setTranscript(best);
+    if (event.isFinal) setState("idle");
+  });
+
+  useSpeechRecognitionEvent("error", (event) => {
+    setError(event.error ?? "Voice recognition failed");
+    setState("error");
+  });
+
+  const start = useCallback(async (lang = "fr-FR") => {
+    setError(null);
+    setTranscript("");
+    const { granted } =
+      await ExpoSpeechRecognitionModule.requestPermissionsAsync();
+    if (!granted) {
+      setError("Microphone permission denied");
+      setState("error");
+      return;
+    }
+    ExpoSpeechRecognitionModule.start({ lang, interimResults: true });
+  }, []);
+
+  const stop = useCallback(() => {
+    ExpoSpeechRecognitionModule.stop();
+  }, []);
+
+  const reset = useCallback(() => {
+    setTranscript("");
+    setError(null);
+    setState("idle");
+  }, []);
+
+  return { state, transcript, error, start, stop, reset };
+}