Add Word Wrangler demos

examples/word-wrangler-gemini-live/client/src/utils/wordDetection.ts

@@ -0,0 +1,37 @@
+import { TRANSCRIPT_PATTERNS } from '@/constants/gameConstants';
+
+/**
+ * Checks if a transcript contains a correct guess for the target word
+ */
+export function detectWordGuess(transcript: string, targetWord: string) {
+  const currentWordLower = targetWord.toLowerCase().trim();
+
+  // Primary detection: Look for explicit guesses
+  const guessPattern = TRANSCRIPT_PATTERNS.GUESS_PATTERN;
+  const guessMatch = transcript.match(guessPattern);
+
+  if (guessMatch) {
+    // Extract the guessed word from whichever group matched (group 1 or 2)
+    let guessedWord = (guessMatch[1] || guessMatch[2] || '')
+      .toLowerCase()
+      .trim();
+
+    // Remove articles ("a", "an", "the") from the beginning of the guessed word
+    guessedWord = guessedWord.replace(/^(a|an|the)\s+/i, '');
+
+    return {
+      isCorrect: guessedWord === currentWordLower,
+      isExplicitGuess: true,
+      guessedWord,
+    };
+  }
+
+  // Secondary detection: Check if word appears in transcript
+  const containsWord = transcript.toLowerCase().includes(currentWordLower);
+
+  return {
+    isCorrect: containsWord,
+    isExplicitGuess: false,
+    guessedWord: containsWord ? targetWord : null,
+  };
+}