Feature: Leaderboard difficulty isolation, proposal category select, numeric answer matcher, 25 new questions (65 total)

app/main.py

@@ -386,7 +386,7 @@ async def get_hint(session_id: str, db: Session = Depends(get_db)):
     return {"hint": hint_text}
 
 @app.get("/finale", response_class=HTMLResponse)
-async def finale(request: Request, score: int = 0, total: int = 10, time: int = 0, lang: str = "de"):
+async def finale(request: Request, score: int = 0, total: int = 10, time: int = 0, lang: str = "de", diff: str = "all"):
     max_score = 1000 if (total <= 10 and score > 10) else (total * 100 if total <= 10 else total)
     tier = get_tier_evaluation(score, total, lang)
     if time >= 60:
@@ -396,6 +396,8 @@ async def finale(request: Request, score: int = 0, total: int = 10, time: int =
     else:
         time_str = f"{time} Sek." if lang != "en" else f"{time} sec."
 
+    clean_diff = diff if diff in ["easy", "medium", "hard"] else "all"
+
     return templates.TemplateResponse(
         request=request,
         name="finale.html",
@@ -406,6 +408,7 @@ async def finale(request: Request, score: int = 0, total: int = 10, time: int =
             "time_seconds": time,
             "time_formatted": time_str,
             "lang": lang,
+            "difficulty": clean_diff,
             "tier": tier
         }
     )
@@ -460,7 +463,11 @@ async def submit_leaderboard(payload: LeaderboardSubmitRequest, db: Session = De
     db.commit()
     db.refresh(entry)
 
-    better_count = db.query(LeaderboardEntry).filter(
+    better_query = db.query(LeaderboardEntry)
+    if entry.difficulty and entry.difficulty != "all":
+        better_query = better_query.filter(LeaderboardEntry.difficulty == entry.difficulty)
+
+    better_count = better_query.filter(
         (LeaderboardEntry.score > entry.score) |
         ((LeaderboardEntry.score == entry.score) & (LeaderboardEntry.time_seconds < entry.time_seconds)) |
         ((LeaderboardEntry.score == entry.score) & (LeaderboardEntry.time_seconds == entry.time_seconds) & (LeaderboardEntry.id < entry.id))
@@ -469,6 +476,7 @@ async def submit_leaderboard(payload: LeaderboardSubmitRequest, db: Session = De
 
     return {
         "success": True,
+        "id": entry.id,
         "entry_id": entry.id,
         "rank": rank,
         "nickname": entry.nickname,
@@ -530,10 +538,11 @@ async def submit_suggestion(payload: SuggestionCreateRequest, db: Session = Depe
                     opts.append(opt.strip())
         options_json = json.dumps(opts, ensure_ascii=False)
 
+    chosen_cat = payload.category if payload.category in ["hogwarts", "characters", "spells", "creatures", "quidditch", "lore", "general"] else "general"
     diff = payload.difficulty if payload.difficulty in ["easy", "medium", "hard"] else "medium"
 
     new_suggestion = Question(
-        category="community",
+        category=chosen_cat,
         question=payload.frage.strip(),
         canonical_answer=payload.antwort.strip(),
         hint=payload.tipp.strip() if payload.tipp else None,
@@ -546,9 +555,11 @@ async def submit_suggestion(payload: SuggestionCreateRequest, db: Session = Depe
     )
     db.add(new_suggestion)
     db.commit()
+    db.refresh(new_suggestion)
 
     return {
         "success": True,
+        "id": new_suggestion.id,
         "message": "Vielen Dank! Dein Vorschlag wurde eingereicht und wird von uns geprüft, bevor er im Quiz erscheint."
     }