Sprint 11: Freunde & Chat + Phosphor-Icon-Vollmigration

- Freundschaften (pending/accepted), Nutzersuche, Anfragen per Push
- Direktnachrichten mit Polling, iMessage-Stil, Deep-Links aus Push
- Alle Seiten (map, places, diary, health, dog-profile, sitting, knigge,
  forum, wiki, walks) vollständig auf Phosphor-Icons migriert
- Wikidata-Rassen-Scraper (~833 neue Rassen, lokal gespiegelte Fotos)
- TheDogAPI lokal gespiegelt (169 Rassen + Fotos)
- Quiz-Result-Cards horizontal (korrekte Bildproportionen)
- SW by-v89

backend/routes/knigge.py

@@ -0,0 +1,113 @@
+"""BAN YARO — Hunde-Knigge Routes"""
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from pydantic import BaseModel
+from typing import Optional
+from database import db
+from auth import get_current_user, get_current_user_optional
+
+router = APIRouter()
+
+
+# ------------------------------------------------------------------
+# Schemas
+# ------------------------------------------------------------------
+class VoteRequest(BaseModel):
+    szenario_id: str
+    answer: str
+
+
+class KiRatRequest(BaseModel):
+    situation: str
+
+
+# ------------------------------------------------------------------
+# POST /api/knigge/vote — Stimme abgeben oder ändern (Auth required)
+# ------------------------------------------------------------------
+@router.post("/vote")
+async def vote(data: VoteRequest, user=Depends(get_current_user)):
+    if not data.szenario_id or not data.answer:
+        raise HTTPException(400, "szenario_id und answer sind erforderlich.")
+
+    with db() as conn:
+        # Upsert: vorhandene Stimme ersetzen oder neu anlegen
+        conn.execute(
+            """INSERT INTO knigge_votes (szenario_id, user_id, answer)
+               VALUES (?, ?, ?)
+               ON CONFLICT(szenario_id, user_id) DO UPDATE SET answer=excluded.answer""",
+            (data.szenario_id, user["id"], data.answer),
+        )
+        rows = conn.execute(
+            """SELECT answer, COUNT(*) as cnt
+               FROM knigge_votes
+               WHERE szenario_id=?
+               GROUP BY answer""",
+            (data.szenario_id,),
+        ).fetchall()
+
+    counts = {r["answer"]: r["cnt"] for r in rows}
+    return {"counts": counts, "user_answer": data.answer}
+
+
+# ------------------------------------------------------------------
+# GET /api/knigge/votes?szenario_id= — Stimmen abrufen (kein Auth nötig)
+# ------------------------------------------------------------------
+@router.get("/votes")
+async def get_votes(
+    szenario_id: str = Query(...),
+    user=Depends(get_current_user_optional),
+):
+    with db() as conn:
+        rows = conn.execute(
+            """SELECT answer, COUNT(*) as cnt
+               FROM knigge_votes
+               WHERE szenario_id=?
+               GROUP BY answer""",
+            (szenario_id,),
+        ).fetchall()
+        user_answer = None
+        if user:
+            row = conn.execute(
+                "SELECT answer FROM knigge_votes WHERE szenario_id=? AND user_id=?",
+                (szenario_id, user["id"]),
+            ).fetchone()
+            if row:
+                user_answer = row["answer"]
+
+    counts = {r["answer"]: r["cnt"] for r in rows}
+    return {"counts": counts, "user_answer": user_answer}
+
+
+# ------------------------------------------------------------------
+# POST /api/knigge/ki-rat — KI-Situationsberater (Auth required)
+# ------------------------------------------------------------------
+@router.post("/ki-rat")
+async def ki_rat(data: KiRatRequest, user=Depends(get_current_user)):
+    from ki import complete, KIUnavailableError, KIPremiumRequired
+
+    if not data.situation or not data.situation.strip():
+        raise HTTPException(400, "Situation darf nicht leer sein.")
+
+    system = (
+        "Du bist ein erfahrener Hundeexperte und Hundetrainer. "
+        "Deine Aufgabe ist es, Hundebesitzern kurze, praktische Ratschläge zu geben. "
+        "Antworte immer auf Deutsch, freundlich und verständlich."
+    )
+    prompt = (
+        f"Situation: {data.situation.strip()}\n\n"
+        "Gib einen kurzen, praktischen Rat (maximal 3 Sätze) was der Hundebesitzer tun sollte."
+    )
+
+    try:
+        rat = await complete(
+            prompt,
+            system=system,
+            max_tokens=300,
+            requires_premium=False,
+            user_is_premium=bool(user.get("is_premium")),
+        )
+        return {"rat": rat}
+    except KIPremiumRequired as e:
+        raise HTTPException(402, str(e))
+    except KIUnavailableError as e:
+        raise HTTPException(503, str(e))