Update app.py

app.py

@@ -127,6 +127,33 @@ def _dataset_count() -> int:
     return len(_fetch_dataset())
 
 
+def _init_leaderboard():
+    """Beim Start: lokalen Cache aus HF Dataset befüllen falls leer."""
+    if _load_lb():
+        return  # lokaler Cache bereits vorhanden
+    entries = _fetch_dataset()
+    if not entries:
+        return
+    lb = []
+    for e in entries:
+        metrics = e.get("metrics", [])
+        total   = e.get("total_score", sum(int(m.get("score", 0)) for m in metrics))
+        max_s   = e.get("max_score", len(metrics) * 10)
+        lb.append({
+            "text":    e.get("post_text", "").strip(),
+            "total":   total,
+            "max":     max_s,
+            "pct":     e.get("pct", round(total / max_s * 100) if max_s else 0),
+            "verdict": e.get("verdict", ""),
+            "date":    e.get("timestamp", "")[:10],
+        })
+    _save_lb(lb)
+
+
+# ── Leaderboard beim Start initialisieren ─────────────────────────────────────
+_init_leaderboard()
+
+
 # ── Lokales Leaderboard (schneller Cache für UI) ──────────────────────────────
 
 def _load_lb() -> list:
@@ -180,7 +207,7 @@ def _render_leaderboard() -> str:
           <details style="margin-bottom:4px;">
             <summary style="font-size:.78rem;color:#555;line-height:1.45;cursor:pointer;
                             list-style:none;display:flex;align-items:flex-start;gap:6px;">
-              <span style="color:#0A66C2;font-size:.7rem;margin-top:2px;white-space:nowrap;">▶ aufklappen</span>
+              <span style="color:#0A66C2;font-size:.7rem;margin-top:2px;white-space:nowrap;">▶ </span>
               <span style="color:#555;">{preview}</span>
             </summary>
             <div style="font-size:.78rem;color:#333;line-height:1.6;margin-top:8px;