Fix: Tagesübung nur JS-kompatible exercise_ids, Scroll per exercise_id; Landing+llms.txt Sprint-20 — SW by-v492, APP_VER 469

backend/routes/dogs.py

@@ -159,34 +159,32 @@ async def get_welcome_dashboard(dog_id: int, user=Depends(get_current_user)):
             "SELECT COUNT(*) AS n FROM diary WHERE dog_id=?", (dog_id,)
         ).fetchone()["n"]
 
-        # Tagesübung — personalisiert aus exercise_progress, tagesstabil
+        # Tagesübung — aus exercise_progress im JS-Format (tab_Name), tagesstabil
         import datetime as _dt
         day_num = (_dt.date.today() - _dt.date(2024, 1, 1)).days
 
-        # Übungen in Bearbeitung (noch-nicht / manchmal / meistens), älteste zuerst
-        in_progress = conn.execute(
-            """SELECT ep.exercise_id, te.name, te.kategorie, te.schwierigkeit
-               FROM exercise_progress ep
-               JOIN training_exercises te ON te.exercise_id = ep.exercise_id
-               WHERE ep.user_id = ? AND ep.status IN ('noch-nicht', 'manchmal', 'meistens')
-               ORDER BY ep.updated_at ASC LIMIT 20""",
+        # Nur exercise_ids im JS-Format (starten mit bekanntem Tab-Namen)
+        _KNOWN_PREFIXES = ('grundkommandos_', 'tricks_', 'problemverhalten_', 'grundlagen_')
+        raw_progress = conn.execute(
+            """SELECT exercise_id FROM exercise_progress
+               WHERE user_id = ? AND status IN ('noch-nicht', 'manchmal', 'meistens')
+               ORDER BY updated_at ASC LIMIT 50""",
             (user["id"],)
         ).fetchall()
 
+        valid = [r["exercise_id"] for r in raw_progress
+                 if any(r["exercise_id"].startswith(p) for p in _KNOWN_PREFIXES)]
+
         daily_exercise = None
-        if in_progress:
-            daily_exercise = dict(in_progress[day_num % len(in_progress)])
-        else:
-            # Fallback: globale Rotation über alle Übungen
-            exercise_count = conn.execute(
-                "SELECT COUNT(*) AS n FROM training_exercises"
-            ).fetchone()["n"]
-            if exercise_count:
-                ex_row = conn.execute(
-                    "SELECT exercise_id, name, kategorie, schwierigkeit FROM training_exercises ORDER BY id LIMIT 1 OFFSET ?",
-                    (day_num % exercise_count,)
-                ).fetchone()
-                daily_exercise = dict(ex_row) if ex_row else None
+        if valid:
+            ex_id = valid[day_num % len(valid)]
+            # Tab + Name aus exercise_id ableiten
+            for prefix in _KNOWN_PREFIXES:
+                if ex_id.startswith(prefix):
+                    tab  = prefix.rstrip('_')
+                    name = ex_id[len(prefix):].replace('_', ' ')
+                    daily_exercise = {"exercise_id": ex_id, "name": name, "kategorie": tab}
+                    break
 
     return {
         "random_photo":     random_photo,