Fix: Sidebar scrollable + add Eltern-Portal nav link

overflow-hidden → overflow-y-auto so all nav items are reachable.
Added /parent (Eltern-Portal) link with people icon.

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

klausur-service/backend/cv_ipa_german.py

@@ -1,135 +0,0 @@
-"""German IPA insertion for grid editor cells.
-
-Hybrid approach:
-  1. Primary lookup: wiki-pronunciation-dict (636k entries, CC-BY-SA)
-  2. Fallback: epitran rule-based G2P (MIT license)
-
-German IPA data sourced from Wiktionary contributors (CC-BY-SA 4.0).
-Attribution required — see grid editor UI.
-
-Lizenz: Code Apache-2.0, IPA-Daten CC-BY-SA 4.0 (Wiktionary)
-DATENSCHUTZ: Alle Verarbeitung erfolgt lokal.
-"""
-
-import logging
-import re
-from typing import Dict, List, Optional, Set
-
-logger = logging.getLogger(__name__)
-
-# IPA/phonetic characters — skip cells that already contain IPA
-_IPA_RE = re.compile(r'[\[\]ˈˌːʃʒθðŋɑɒæɔəɛɜɪʊʌ]')
-
-
-def _lookup_ipa_de(word: str) -> Optional[str]:
-    """Look up German IPA for a single word.
-
-    Returns IPA string or None if not found.
-    """
-    from cv_vocab_types import _de_ipa_dict, _epitran_de, DE_IPA_AVAILABLE
-
-    if not DE_IPA_AVAILABLE and _epitran_de is None:
-        return None
-
-    lower = word.lower().strip()
-    if not lower:
-        return None
-
-    # 1. Dictionary lookup (636k entries)
-    ipa = _de_ipa_dict.get(lower)
-    if ipa:
-        return ipa
-
-    # 2. epitran fallback (rule-based)
-    if _epitran_de is not None:
-        try:
-            result = _epitran_de.transliterate(word)
-            if result and result != word.lower():
-                return result
-        except Exception:
-            pass
-
-    return None
-
-
-def _insert_ipa_for_text(text: str) -> str:
-    """Insert German IPA after each recognized word in a text string.
-
-    Handles comma-separated lists:
-      "bildschön, blendend" → "bildschön [bɪltʃøn], blendend [blɛndənt]"
-
-    Skips cells already containing IPA brackets.
-    """
-    if not text or _IPA_RE.search(text):
-        return text
-
-    # Split on comma/semicolon sequences, keeping separators
-    tokens = re.split(r'([,;:]+\s*)', text)
-    result = []
-    changed = False
-
-    for tok in tokens:
-        # Keep separators as-is
-        if not tok or re.match(r'^[,;:\s]+$', tok):
-            result.append(tok)
-            continue
-
-        # Process words within this token
-        words = tok.split()
-        new_words = []
-        for w in words:
-            # Strip punctuation for lookup
-            clean = re.sub(r'[^a-zA-ZäöüÄÖÜß]', '', w)
-            if len(clean) < 3:
-                new_words.append(w)
-                continue
-
-            ipa = _lookup_ipa_de(clean)
-            if ipa:
-                new_words.append(f"{w} [{ipa}]")
-                changed = True
-            else:
-                new_words.append(w)
-
-        result.append(' '.join(new_words))
-
-    return ''.join(result) if changed else text
-
-
-def insert_german_ipa(
-    cells: List[Dict],
-    target_cols: Set[str],
-) -> int:
-    """Insert German IPA transcriptions into cells of target columns.
-
-    Args:
-        cells: Flat list of all cells (modified in-place).
-        target_cols: Set of col_type values to process.
-
-    Returns:
-        Number of cells modified.
-    """
-    from cv_vocab_types import DE_IPA_AVAILABLE, _epitran_de
-
-    if not DE_IPA_AVAILABLE and _epitran_de is None:
-        logger.warning("German IPA not available — skipping")
-        return 0
-
-    count = 0
-    for cell in cells:
-        ct = cell.get("col_type", "")
-        if ct not in target_cols:
-            continue
-        text = cell.get("text", "")
-        if not text.strip():
-            continue
-
-        new_text = _insert_ipa_for_text(text)
-        if new_text != text:
-            cell["text"] = new_text
-            cell["_ipa_corrected"] = True
-            count += 1
-
-    if count:
-        logger.info(f"German IPA inserted in {count} cells")
-    return count