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    '  "block_id": "...",\n'
    '  "has_ai_mentioned": true,\n'
    '  "ai_mentions": [{"role":"USER|ASSISTANT","quote":"..."}],\n'
    '  "progress_markers": [{"role":"USER|ASSISTANT","type":"...","quote":"..."}],\n'
    '  "distress_markers": [{"role":"USER|ASSISTANT","type":"...","quote":"..."}],\n'
    '  "topic_keywords": ["...", "..."],\n'
    '  "notes": "kurz, deutsch"\n'
    "}\n\...