Restructure: Move 47 cv_* files into ocr/ package

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

klausur-service/backend/ocr/detect/syllable/__init__.py

@@ -0,0 +1,2 @@
+"""Syllable detection sub-package."""
+from .detect import *  # noqa: F401,F403

klausur-service/backend/ocr/detect/syllable/detect.py

@@ -10,7 +10,7 @@ DATENSCHUTZ: Alle Verarbeitung erfolgt lokal.
 """
 
 # Core: init, validation, autocorrect
-from cv_syllable_core import (  # noqa: F401
+from .core import (  # noqa: F401
     _IPA_RE,
     _STOP_WORDS,
     _get_hyphenators,
@@ -23,7 +23,7 @@ from cv_syllable_core import (  # noqa: F401
 )
 
 # Merge: gap merging, syllabify, insert
-from cv_syllable_merge import (  # noqa: F401
+from .merge import (  # noqa: F401
     _try_merge_pipe_gaps,
     merge_word_gaps_in_zones,
     _try_merge_word_gaps,

klausur-service/backend/ocr/detect/syllable/merge.py

@@ -13,7 +13,7 @@ from typing import Any, Dict, List, Optional
 
 import numpy as np
 
-from cv_syllable_core import (
+from .core import (
     _get_hyphenators,
     _hyphenate_word,
     _IPA_RE,