Create viral_scorer.py

utils/viral_scorer.py

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+def score_clip(words):
+    """
+    Returns virality score (0–100)
+    based on speech + structure signals
+    """
+
+    if not words:
+        return 0
+
+    text = " ".join([w["text"] for w in words]).lower()
+
+    score = 0
+
+    # -----------------------------
+    # HOOK SIGNAL (first words)
+    # -----------------------------
+    hook_words = ["you", "imagine", "stop", "listen", "this", "never", "why"]
+
+    if any(h in text[:50] for h in hook_words):
+        score += 25
+
+    # -----------------------------
+    # EMOTION SIGNAL
+    # -----------------------------
+    exclamations = sum(1 for w in words if "!" in w["text"])
+    score += min(exclamations * 5, 20)
+
+    # -----------------------------
+    # LENGTH OPTIMIZATION
+    # -----------------------------
+    duration = words[-1]["end"] - words[0]["start"]
+
+    if 6 <= duration <= 25:
+        score += 25
+    elif duration < 6:
+        score -= 10
+    else:
+        score -= 5
+
+    # -----------------------------
+    # WORD DENSITY
+    # -----------------------------
+    score += min(len(words) / 2, 20)
+
+    # Clamp
+    return max(0, min(100, score))