[split-required] Split 500-850 LOC files (batch 2)

backend-lehrer (10 files):
- game/database.py (785 → 5), correction_api.py (683 → 4)
- classroom_engine/antizipation.py (676 → 5)
- llm_gateway schools/edu_search already done in prior batch

klausur-service (12 files):
- orientation_crop_api.py (694 → 5), pdf_export.py (677 → 4)
- zeugnis_crawler.py (676 → 5), grid_editor_api.py (671 → 5)
- eh_templates.py (658 → 5), mail/api.py (651 → 5)
- qdrant_service.py (638 → 5), training_api.py (625 → 4)

website (6 pages):
- middleware (696 → 8), mail (733 → 6), consent (628 → 8)
- compliance/risks (622 → 5), export (502 → 5), brandbook (629 → 7)

studio-v2 (3 components):
- B2BMigrationWizard (848 → 3), CleanupPanel (765 → 2)
- dashboard-experimental (739 → 2)

admin-lehrer (4 files):
- uebersetzungen (769 → 4), manager (670 → 2)
- ChunkBrowserQA (675 → 6), dsfa/page (674 → 5)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend-lehrer/game/database_models.py

@@ -0,0 +1,143 @@
+# ==============================================
+# Breakpilot Drive - Game Database Models
+# ==============================================
+# Data models, enums, and achievement definitions.
+
+import os
+import logging
+from datetime import datetime
+from typing import Optional, Dict, Any
+from dataclasses import dataclass
+from enum import IntEnum
+
+logger = logging.getLogger(__name__)
+
+# Database URL from environment
+GAME_DB_URL = os.getenv(
+    "DATABASE_URL",
+    "postgresql://breakpilot:breakpilot123@localhost:5432/breakpilot"
+)
+
+
+class LearningLevel(IntEnum):
+    """Learning level enum mapping to grade ranges."""
+    BEGINNER = 1      # Klasse 2-3
+    ELEMENTARY = 2    # Klasse 3-4
+    INTERMEDIATE = 3  # Klasse 4-5
+    ADVANCED = 4      # Klasse 5-6
+    EXPERT = 5        # Klasse 6+
+
+
+@dataclass
+class StudentLearningState:
+    """Student learning state data model."""
+    id: Optional[str] = None
+    student_id: str = ""
+    overall_level: int = 3
+    math_level: float = 3.0
+    german_level: float = 3.0
+    english_level: float = 3.0
+    total_play_time_minutes: int = 0
+    total_sessions: int = 0
+    questions_answered: int = 0
+    questions_correct: int = 0
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
+
+    def to_dict(self) -> Dict[str, Any]:
+        """Convert to dictionary."""
+        return {
+            "id": self.id,
+            "student_id": self.student_id,
+            "overall_level": self.overall_level,
+            "math_level": self.math_level,
+            "german_level": self.german_level,
+            "english_level": self.english_level,
+            "total_play_time_minutes": self.total_play_time_minutes,
+            "total_sessions": self.total_sessions,
+            "questions_answered": self.questions_answered,
+            "questions_correct": self.questions_correct,
+            "created_at": self.created_at.isoformat() if self.created_at else None,
+            "updated_at": self.updated_at.isoformat() if self.updated_at else None,
+        }
+
+    @property
+    def accuracy(self) -> float:
+        """Calculate overall accuracy percentage."""
+        if self.questions_answered == 0:
+            return 0.0
+        return self.questions_correct / self.questions_answered
+
+
+@dataclass
+class GameSessionRecord:
+    """Game session record for database storage."""
+    id: Optional[str] = None
+    student_id: str = ""
+    game_mode: str = "video"
+    duration_seconds: int = 0
+    distance_traveled: float = 0.0
+    score: int = 0
+    questions_answered: int = 0
+    questions_correct: int = 0
+    difficulty_level: int = 3
+    started_at: Optional[datetime] = None
+    ended_at: Optional[datetime] = None
+    metadata: Optional[Dict[str, Any]] = None
+
+
+@dataclass
+class GameQuizAnswer:
+    """Individual quiz answer record."""
+    id: Optional[str] = None
+    session_id: Optional[str] = None
+    question_id: str = ""
+    subject: str = ""
+    difficulty: int = 3
+    is_correct: bool = False
+    answer_time_ms: int = 0
+    created_at: Optional[datetime] = None
+
+
+@dataclass
+class Achievement:
+    """Achievement definition and unlock status."""
+    id: str
+    name: str
+    description: str
+    icon: str = "star"
+    category: str = "general"  # general, streak, accuracy, time, score
+    threshold: int = 1
+    unlocked: bool = False
+    unlocked_at: Optional[datetime] = None
+    progress: int = 0
+
+
+# Achievement definitions (static, not in DB)
+ACHIEVEMENTS = [
+    # Erste Schritte
+    Achievement(id="first_game", name="Erste Fahrt", description="Spiele dein erstes Spiel", icon="rocket", category="general", threshold=1),
+    Achievement(id="five_games", name="Regelmaessiger Fahrer", description="Spiele 5 Spiele", icon="car", category="general", threshold=5),
+    Achievement(id="twenty_games", name="Erfahrener Pilot", description="Spiele 20 Spiele", icon="trophy", category="general", threshold=20),
+
+    # Serien
+    Achievement(id="streak_3", name="Guter Start", description="3 richtige Antworten hintereinander", icon="fire", category="streak", threshold=3),
+    Achievement(id="streak_5", name="Auf Feuer", description="5 richtige Antworten hintereinander", icon="fire", category="streak", threshold=5),
+    Achievement(id="streak_10", name="Unaufhaltsam", description="10 richtige Antworten hintereinander", icon="fire", category="streak", threshold=10),
+
+    # Genauigkeit
+    Achievement(id="perfect_game", name="Perfektes Spiel", description="100% richtig in einem Spiel (min. 5 Fragen)", icon="star", category="accuracy", threshold=100),
+    Achievement(id="accuracy_80", name="Scharfschuetze", description="80% Gesamtgenauigkeit (min. 50 Fragen)", icon="target", category="accuracy", threshold=80),
+
+    # Zeit
+    Achievement(id="play_30min", name="Ausdauer", description="30 Minuten Gesamtspielzeit", icon="clock", category="time", threshold=30),
+    Achievement(id="play_60min", name="Marathon", description="60 Minuten Gesamtspielzeit", icon="clock", category="time", threshold=60),
+
+    # Score
+    Achievement(id="score_5000", name="Punktejaeger", description="5.000 Punkte in einem Spiel", icon="gem", category="score", threshold=5000),
+    Achievement(id="score_10000", name="Highscore Hero", description="10.000 Punkte in einem Spiel", icon="crown", category="score", threshold=10000),
+
+    # Level
+    Achievement(id="level_up", name="Aufsteiger", description="Erreiche Level 2", icon="arrow-up", category="level", threshold=2),
+    Achievement(id="master", name="Meister", description="Erreiche Level 5", icon="medal", category="level", threshold=5),
+]