p="app.py"
src=open(p).read()
endpoint = '''
@app.route("/api/content/<content_id>/focus", methods=["GET", "POST"])
def api_content_focus(content_id):
    """MAS-IG-CO2-FOCUS Punkt 2: aktiven Datensatz auslesen.

    GET liefert Kernthema, Unterthema, fachlichen MAS-Anker, erkannte
    Hauptbegriffe, empfohlenen Themenfokus und aktuell gesetzten Fokus.
    POST setzt den Themenfokus und/oder das Leitmotiv und stößt eine
    Neuberechnung von Text/Medien an.
    """
    from topic_focus import detect_recommended_focus, FOCUS_LABELS, FAMILY_AUTOMATISCH_MAPPING
    item = get_content_item(content_id)
    if not item:
        return jsonify({"error": "Content nicht gefunden"}), 404
    signal = {}
    if item.get("signal_id"):
        try:
            con = sqlite3.connect(f"file:{RADAR_DB.as_posix()}?mode=ro", uri=True)
            con.row_factory = sqlite3.Row
            row = con.execute("SELECT * FROM signals WHERE signal_id=?", (item["signal_id"],)).fetchone()
            con.close()
            if row:
                signal = dict(row)
        except sqlite3.Error:
            signal = {}
    current_focus = (item.get("topic_focus") or "").strip() or "auto"
    recommended = detect_recommended_focus(signal) or "auto"
    if request.method == "POST":
        data = request.get_json(silent=True) or {}
        fields = {}
        if "topic_focus" in data:
            fields["topic_focus"] = str(data.get("topic_focus") or "auto")
        if "leitmotiv" in data:
            fields["leitmotiv"] = str(data.get("leitmotiv") or "")
        if fields:
            update_content_item(content_id, fields)
            item = get_content_item(content_id) or item
            current_focus = (item.get("topic_focus") or "").strip() or "auto"
    return jsonify({
        "content_id": content_id,
        "kernthema": signal.get("topic") or item.get("title") or "",
        "unterthema": signal.get("topic_de") or "",
        "mas_anker": signal.get("mas_anchor") or "",
        "hauptbegriffe": (signal.get("short_summary") or "").split(",")[:8],
        "signal_category_db": signal.get("signal_category") or item.get("platform") or "",
        "empfohlener_fokus": recommended,
        "aktueller_fokus": current_focus,
        "leitmotiv": item.get("leitmotiv") or "",
        "fokus_options": FOCUS_LABELS,
    })
'''
marker = "\nif __name__ == \"__main__\":\n"
idx = src.index(marker)
new_src = src[:idx] + endpoint + src[idx:]
open(p,"w").write(new_src)
print("app.py /focus endpoint added OK")