Restructure: Move 52 files into 7 domain packages

korrektur/ zeugnis/ admin/ compliance/ worksheet/ training/ metrics/
52 shims, relative imports, RAG untouched.

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

klausur-service/backend/compliance/models.py

@@ -0,0 +1,49 @@
+"""
+Compliance Pipeline Data Models.
+
+Dataclasses for checkpoints, controls, and measures.
+"""
+
+from typing import Optional, List
+from dataclasses import dataclass
+
+
+@dataclass
+class Checkpoint:
+    """A requirement/checkpoint extracted from legal text."""
+    id: str
+    regulation_code: str
+    regulation_name: str
+    article: Optional[str]
+    title: str
+    description: str
+    original_text: str
+    chunk_id: str
+    source_url: str
+
+
+@dataclass
+class Control:
+    """A control derived from checkpoints."""
+    id: str
+    domain: str
+    title: str
+    description: str
+    checkpoints: List[str]  # List of checkpoint IDs
+    pass_criteria: str
+    implementation_guidance: str
+    is_automated: bool
+    automation_tool: Optional[str]
+    priority: str
+
+
+@dataclass
+class Measure:
+    """A remediation measure for a control."""
+    id: str
+    control_id: str
+    title: str
+    description: str
+    responsible: str
+    deadline_days: int
+    status: str