diff --git a/backend/blocks.py b/backend/blocks.py
index 890c53f..e39eba6 100644
--- a/backend/blocks.py
+++ b/backend/blocks.py
@@ -597,6 +597,32 @@ def _sink_json(result, path: Path, schema):
     return val
 
 
+def _sink_subs(result, path: Path):
+    """Finder reply as TEXT (marker format), persisted to `path` for audit/diagnosis.
+    File fallback: a tool-capable agent (thema web mode) that wrote the file despite the
+    text instruction still counts — same tolerance as _sink_or_file."""
+    text = _reply_text(result).strip()
+    d = _parse_subblocks(text)
+    if d:
+        atomic_write_text(path, text)
+        return d
+    return _parse_subblocks(_read(path)) or None
+
+
+def _finder_material(folder, sources: list[str] | None, queries: list[str]) -> tuple[str, str, str]:
+    """→ (material, backing, caps) for the Subblock-Research prompt. uni/projekt: corpus
+    excerpts INLINE — the finder had neither path nor excerpts and hunted the material per
+    call via glob/grep/bash (measured: 3–13 tool rounds, 52–141 s vs 15–35 s single-shot).
+    thema (or excerpt miss): web research as before, fail-open."""
+    ev = _evidence_pack(folder, sources, queries) if folder else ""
+    if ev:
+        material = "\n" + _prompt("Blocks-Source-Inline", excerpts=ev) + "\n"
+        backing = ("Backed by the SOURCE EXCERPTS above, not invented — leave out any "
+                   "sub-point the excerpts do not support.")
+        return material, backing, "none"
+    return "", "Backed, not invented. Verify uncertain points via web search.", ("files" if folder else "full")
+
+
 def _build_research_prompt(topic: str, out_path: Path, instructions: str, type: str, folder: Path | None, fokus: str = "", section: str = "") -> str:
     if section:
         # Section mode (uni/projekt): text directly in the prompt → small context, no file reading.
@@ -760,15 +786,15 @@ async def _subblocks_block(ctx: GenContext, set_p, files: dict, entries: dict, i
         return ("\n\nBEREITS ERFASST — liste diese NICHT erneut. Finde nur, was FEHLT:\n" + "\n".join(known))
 
     # ONE finder round (3 slots, quorum 2) → count of NEW sub norms; None = no result/cancel.
-    async def _one_round(label, subset, assignment, paths, keys, known, extra_instr):
+    async def _one_round(label, subset, assignment, paths, keys, known, extra_instr, material, backing, round_caps):
         chunk_idx = _title_index({num: title_by_num[num] for num in subset})
         for p in paths:
             p.unlink(missing_ok=True)
         slots = [{
             "key": k,
-            "prompt": _prompt("Subblock-Research", topic=topic, assignment=assignment, known=known, out_path=p, extra=_extra(extra_instr)),
-            "role": "quick", "capabilities": caps,
-            "payload": (lambda result, p=p: _parse_subblocks(_read(p)) or None),
+            "prompt": _prompt("Subblock-Research", topic=topic, assignment=assignment, known=known, material=material, backing=backing, extra=_extra(extra_instr)),
+            "role": "quick", "capabilities": round_caps,
+            "payload": (lambda result, p=p: _sink_subs(result, p)),
         } for k, p in zip(keys, paths)]
         agent_texts = await _race(topic, label, slots, 2, _timeout("subblock", len(subset)), provider, cancelled=is_cancelled, grace=CONSENSUS_GRACE)
         if is_cancelled() or not agent_texts:
@@ -818,6 +844,10 @@ async def _subblocks_block(ctx: GenContext, set_p, files: dict, entries: dict, i
     # Phase "Subblocks find": per package loop until 0 new subs / time cap.
     async def _find(c, chunk):
         assignment = "\n".join(f"- {entries[num]}" for num in chunk)
+        # Material once per package (excerpts are round-invariant; one query per block
+        # keeps the coverage guarantee of _evidence_pack).
+        material, backing, round_caps = await asyncio.to_thread(
+            _finder_material, folder, sources, [str(entries[num]) for num in chunk])
         start = time.monotonic()
         round_n = 0
         while not is_cancelled():
@@ -825,7 +855,7 @@ async def _subblocks_block(ctx: GenContext, set_p, files: dict, entries: dict, i
             bekannt = await _known_block(chunk) if round_n > 1 else ""
             paths = [work_dir / f"subblock-c{c}-r{round_n}-{i}.md" for i in (1, 2, 3)]
             keys = [f"blocks-{topic}-{ns}subblock-c{c}-r{round_n}-{i}" for i in (1, 2, 3)]
-            new = await _one_round(f"{lbl}Subblocks package {c} R{round_n}", chunk, assignment, paths, keys, bekannt, instructions)
+            new = await _one_round(f"{lbl}Subblocks package {c} R{round_n}", chunk, assignment, paths, keys, bekannt, instructions, material, backing, round_caps)
             if new is None:
                 if is_cancelled():
                     return False
@@ -1067,9 +1097,11 @@ async def _subblocks_block(ctx: GenContext, set_p, files: dict, entries: dict, i
             focus = (instructions + "\n\nDieser Block hat bisher nur sehr wenige belegte "
                      "Subbausteine. Suche gezielt nach WEITEREN belegbaren Kernaspekten, die "
                      "oben fehlen. Nimm NUR auf, was die Quellen wirklich hergeben — nicht aufblähen.")
+            material, backing, round_caps = await asyncio.to_thread(
+                _finder_material, folder, sources, [str(entries[num]) for num in lacking])
             paths = [work_dir / f"subblock-x{k}-c{c}-{i}.md" for i in (1, 2, 3)]
             keys = [f"blocks-{topic}-{ns}subblock-x{k}-c{c}-{i}" for i in (1, 2, 3)]
-            new = await _one_round(f"{lbl}Subblocks catch-up {c} X{k}", lacking, assignment, paths, keys, known, focus)
+            new = await _one_round(f"{lbl}Subblocks catch-up {c} X{k}", lacking, assignment, paths, keys, known, focus, material, backing, round_caps)
             if not new:
                 return
             await _select(lacking, keep_consensus=True)
@@ -1412,12 +1444,14 @@ async def _luecken_runde(ctx: GenContext, files: dict, title: str, luecken: list
              "Aspekten des Blocks — nichts anderes:\n" + "\n".join(f"- {l}" for l in luecken))
     known = ("\n\nBEREITS ERFASST — liste diese NICHT erneut:\n"
              + "\n".join(f"- {s}" for s in have)) if have else ""
+    material, backing, caps = await asyncio.to_thread(
+        _finder_material, folder, sources, [title] + list(luecken))
     paths = [work_dir / f"luecken-{ns}r1-{i}.md" for i in (1, 2, 3)]
     slots = [{
         "key": f"blocks-{topic}-{ns}luecken-r1-{i}",
-        "prompt": _prompt("Subblock-Research", topic=topic, assignment=f"- {title}", known=known, out_path=p, extra=_extra(focus)),
-        "role": "quick", "capabilities": "files" if folder else "full",
-        "payload": (lambda result, p=p: _parse_subblocks(_read(p)) or None),
+        "prompt": _prompt("Subblock-Research", topic=topic, assignment=f"- {title}", known=known, material=material, backing=backing, extra=_extra(focus)),
+        "role": "quick", "capabilities": caps,
+        "payload": (lambda result, p=p: _sink_subs(result, p)),
     } for i, p in zip((1, 2, 3), paths)]
     agent_texts = await _race(topic, f"{lbl}Lücken-Nachfass", slots, 2,
                               _timeout("subblock", 1), provider, cancelled=is_cancelled, grace=CONSENSUS_GRACE)
diff --git a/backend/board_inventory.py b/backend/board_inventory.py
index 62b0a46..3d47b82 100644
--- a/backend/board_inventory.py
+++ b/backend/board_inventory.py
@@ -104,6 +104,20 @@ def _naming_schema(data, count: int) -> tuple[int | None, str | None, bool] | No
     return n, name, False
 
 
+def _sanierung_schema(data) -> tuple[str, str] | None:
+    """{"title": …, "description": …} → (title, description), beides getrimmt; Titel über
+    80 Zeichen verfällt (leerer String = kein Vorschlag, Feld bleibt wie es ist)."""
+    if not isinstance(data, dict):
+        return None
+    t = str(data.get("title") or "").strip()
+    d = str(data.get("description") or "").strip()
+    if not t and not d:
+        return None
+    if len(t) > 80:
+        t = ""
+    return t, d
+
+
 def _name_verankert(name: str, rows: list[dict], ctoks: set[str] | None) -> bool:
     """Abstraction guard: a free-formed title must be anchored — in the corpus (uni/projekt)
     or in the members' own words (thema). Unanchored names drift to textbook canon
@@ -470,6 +484,16 @@ def _hat_anker(title: str, ctoks: set[str]) -> bool:
     return False
 
 
+def _sanierung_noetig(p: dict, ctoks: set[str] | None) -> bool:
+    """QA-messbare Befund-Formen am Entstehungsort: Titel ohne Korpus-Anker (QA: fremd —
+    misst Token-Anker, nicht Semantik) oder leere Beschreibung (QA: hygiene). Gilt auch für
+    Singleton-Cluster, die das Naming sonst überspringen — Reader-Rohtitel gingen wörtlich
+    bis done_block durch (gemessen: 'k-Coloring' statt Korpus-Form 'k-Color')."""
+    if not (p.get("description") or "").strip():
+        return True
+    return bool(ctoks) and not _hat_anker(p.get("title", ""), ctoks)
+
+
 async def _anker_beleg(ctx: GenContext, flow: Flow, kandidaten: list[tuple[str, dict]]) -> set[str]:
     """Evidence judge for quorum titles WITHOUT any corpus anchor — two readers naming the
     same famous canon independently beat the quorum although the material never mentions it
@@ -703,9 +727,59 @@ async def _name_one(ctx: GenContext, flow: Flow, c):
             p["title"] = custom or w["title"]
             p["description"] = w.get("description") or p.get("description", "")
             await db.kanban_set_payload(topic, BOARD, cid, p)
+    await _saniere_one(ctx, flow, cid, p)
     await db.kanban_advance(topic, BOARD, cid, "naming_check")
 
 
+async def _saniere_one(ctx: GenContext, flow: Flow, cid: str, p: dict) -> None:
+    """Fremd-/Hygiene-Sanierung am Entstehungsort (nur Korpus-Quellen): Titel ohne
+    Korpus-Anker auf die Oberflächenform des Materials umschreiben, leere Beschreibung
+    belegt nachfassen. Läuft NACH der Member-Wahl auf dem finalen Payload — greift damit
+    auch für Singleton-Cluster und unverankerte Naming-Gewinner. Vorschläge werden
+    deterministisch validiert (_hat_anker, dieselbe Messlatte wie QA-fremd); fail-open:
+    unverankerter Vorschlag oder Judge-Ausfall lässt die Karte unverändert weiter."""
+    from qa import _distinctive
+    topic = flow.topic
+    folder = source_folder(topic)
+    if folder is None:
+        return  # thema: kein Korpus, keine Oberflächenform zum Verankern
+    ctoks = flow.state.get("korpus_tokens")
+    if ctoks is None:  # Resume: das Konsens-Gate dieses Flows lief nie
+        ctoks = flow.state["korpus_tokens"] = await asyncio.to_thread(_korpus_tokens, folder)
+    if not _sanierung_noetig(p, ctoks):
+        return
+    titel, beschr = p.get("title", ""), (p.get("description") or "").strip()
+    toks = _distinctive(titel) | _distinctive(beschr)
+    ev = _evidence_pack(folder, p.get("sources") or None, [" ".join(sorted(toks))],
+                        budget=4000) if toks else ""
+    if not ev:
+        return  # ohne Auszüge kein Anker-Rewrite — Anker-Beleg hat Echtheit schon entschieden
+    h = _h(titel, beschr, "sanierung")
+    path = flow.work_dir / f"sanierung-{cid}-{h}.json"
+    verdict = _sanierung_schema(_json_file(path))
+    if verdict is None:
+        status, verdict = await run_single_slot(
+            ctx, f"Sanierung {cid}", key=f"blocks-{topic}-sanierung-{cid}-{h}",
+            prompt=_prompt("Blocks-Sanierung", topic=topic, title=titel,
+                           description=beschr or "(leer)", excerpts=ev),
+            role="judge", capabilities="none",
+            payload=lambda result, p2=path: _sink_json(result, p2, _sanierung_schema),
+            timeout=_timeout("selection_mapping", 1))
+        if status != OK or verdict is None:
+            return
+    neu_titel, neu_beschr = verdict
+    changed = False
+    if (neu_titel and _norm_title(neu_titel) != _norm_title(titel)
+            and _hat_anker(neu_titel, ctoks)):
+        p["title"] = clean_title(neu_titel)
+        changed = True
+    if not beschr and neu_beschr:
+        p["description"] = neu_beschr
+        changed = True
+    if changed:
+        await db.kanban_set_payload(topic, BOARD, cid, p)
+
+
 async def _proc_naming_check(ctx: GenContext, flow: Flow, cards):
     results = await asyncio.gather(*[_namecheck_one(ctx, flow, c) for c in cards], return_exceptions=True)
     errs = [r for r in results if isinstance(r, Exception)]
diff --git a/backend/fake_agents.py b/backend/fake_agents.py
index b0be77a..0b06166 100644
--- a/backend/fake_agents.py
+++ b/backend/fake_agents.py
@@ -118,6 +118,13 @@ class Welt:
             return j({"keep": keep, "rest": []})
         if "-naming-" in key:  # deckt auch naming_check (gleicher Key)
             return j({"best": 1})
+        if "-sanierung-" in key:  # Titel/Beschreibung unverändert zurück (Fake-Welt ist sauber)
+            t = re.search(r"^Title: (.+)$", prompt, re.M)
+            d = re.search(r"^Description: (.+)$", prompt, re.M)
+            beschr = (d.group(1).strip() if d else "")
+            if beschr == "(leer)":
+                beschr = "Beschreibung aus dem Material."
+            return j({"title": t.group(1).strip() if t else "", "description": beschr})
         if "-filter-" in key:  # auch filter-recheck
             return j({"fragments": {}, "drop": []})
         if "-gruppierung-completion-" in key:
diff --git a/backend/tests/test_board_inventory.py b/backend/tests/test_board_inventory.py
index 4df81ec..deb006b 100644
--- a/backend/tests/test_board_inventory.py
+++ b/backend/tests/test_board_inventory.py
@@ -1181,3 +1181,144 @@ async def test_namecheck_ok_behaelt_titel(testdb, tmp_path, monkeypatch):
     block = await db.kanban_get_card(TOPIC, B, "b-c9")
     assert block["payload"]["title"] == "Eigener Titel"
     assert block["payload"]["description"] == "Eigene Beschreibung"
+
+
+# ── Sanierung: Titel auf Korpus-Form, Beschreibungspflicht (QA: fremd/hygiene) ──────
+
+def test_sanierung_schema_varianten():
+    assert bi._sanierung_schema({"title": " k-Color ", "description": "d"}) == ("k-Color", "d")
+    assert bi._sanierung_schema({"title": "", "description": "nur Beschreibung"}) == ("", "nur Beschreibung")
+    assert bi._sanierung_schema({"title": "x" * 90, "description": "d"}) == ("", "d")  # zu lang
+    assert bi._sanierung_schema({"title": "", "description": ""}) is None
+    assert bi._sanierung_schema("quatsch") is None
+
+
+def test_sanierung_noetig():
+    ctoks = {"color", "graph"}
+    assert bi._sanierung_noetig({"title": "k-Color", "description": ""}, ctoks)          # leere Beschreibung
+    assert bi._sanierung_noetig({"title": "k-Coloring", "description": "d"}, ctoks)      # kein Korpus-Anker
+    assert not bi._sanierung_noetig({"title": "k-Color", "description": "d"}, ctoks)
+    assert not bi._sanierung_noetig({"title": "k-Coloring", "description": "d"}, None)   # thema: kein Korpus
+
+
+def _sanierung_env(tmp_path, monkeypatch, antwort):
+    """Korpus mit 'k-Color'-Oberflächenform; Judge antwortet mit `antwort`."""
+    (tmp_path / "korpus.txt").write_text(
+        "Das k-Color Problem: Kann der Graph mit k Farben gefärbt werden? NP-vollständig.",
+        encoding="utf-8")
+    monkeypatch.setattr(bi, "source_folder", lambda t: tmp_path)
+    seen = {}
+
+    async def fake_slot(ctx, label, *, key, prompt, role, capabilities, payload, timeout):
+        seen[key] = prompt
+        return "ok", payload((0, json.dumps(antwort["val"]), ""))
+
+    monkeypatch.setattr(bi, "run_single_slot", fake_slot)
+    return GenContext(topic=TOPIC, provider="claude", is_cancelled=lambda: False), seen
+
+
+async def test_singleton_unverankert_wird_saniert(testdb, tmp_path, monkeypatch):
+    """Singleton-Cluster mit Reader-Titel ohne Korpus-Anker: Naming wird nicht mehr
+    übersprungen — der Titel wird auf die Korpus-Oberflächenform umgeschrieben
+    (gemessener aak-Fall 'k-Coloring' statt 'k-Color')."""
+    db = testdb
+    antwort = {"val": {"title": "k-Color", "description": "Kann der Graph mit k Farben gefärbt werden?"}}
+    ctx, seen = _sanierung_env(tmp_path, monkeypatch, antwort)
+
+    async def fake_members(topic, cid):
+        return [{"norm": "k-coloring", "title": "k-Coloring",
+                 "description": "Kann der Graph mit k Farben gefärbt werden?",
+                 "readers": ["r1", "r2"], "sources": []}]
+
+    monkeypatch.setattr(bi, "_member_rows", fake_members)
+    payload = {"title": "k-Coloring", "description": "Kann der Graph mit k Farben gefärbt werden?"}
+    await db.kanban_upsert_card(TOPIC, B, "c1", "cluster", "naming", payload)
+    await bi._name_one(ctx, _mk_flow(tmp_path), {"card_id": "c1", "payload": payload})
+    card = await db.kanban_get_card(TOPIC, B, "c1")
+    assert card["stage"] == "naming_check"
+    assert card["payload"]["title"] == "k-Color"
+    assert any("-sanierung-" in k for k in seen)
+
+
+async def test_leere_beschreibung_wird_gefuellt(testdb, tmp_path, monkeypatch):
+    """Verankerter Titel, leere Beschreibung (gemessener aak-Fall der SetCover-Fragmente):
+    Beschreibung wird belegt nachgefasst, Titel bleibt."""
+    db = testdb
+    antwort = {"val": {"title": "k-Color", "description": "Färbbarkeit mit k Farben."}}
+    ctx, _seen = _sanierung_env(tmp_path, monkeypatch, antwort)
+
+    async def fake_members(topic, cid):
+        return [{"norm": "k-color", "title": "k-Color", "description": "",
+                 "readers": ["r1"], "sources": []}]
+
+    monkeypatch.setattr(bi, "_member_rows", fake_members)
+    payload = {"title": "k-Color", "description": ""}
+    await db.kanban_upsert_card(TOPIC, B, "c5", "cluster", "naming", payload)
+    await bi._name_one(ctx, _mk_flow(tmp_path), {"card_id": "c5", "payload": payload})
+    card = await db.kanban_get_card(TOPIC, B, "c5")
+    assert card["payload"]["title"] == "k-Color"
+    assert card["payload"]["description"] == "Färbbarkeit mit k Farben."
+
+
+async def test_sanierung_unverankerter_vorschlag_verfaellt(testdb, tmp_path, monkeypatch):
+    """Judge-Vorschlag ohne Korpus-Anker wird verworfen (dieselbe Messlatte wie QA-fremd);
+    die Beschreibung wird trotzdem übernommen."""
+    db = testdb
+    antwort = {"val": {"title": "Graphfärbungsproblem", "description": "Färbbarkeit mit k Farben."}}
+    ctx, _seen = _sanierung_env(tmp_path, monkeypatch, antwort)
+
+    async def fake_members(topic, cid):
+        return [{"norm": "k-coloring", "title": "k-Coloring",
+                 "description": "Kann der Graph mit k Farben gefärbt werden?",
+                 "readers": ["r1"], "sources": []}]
+
+    monkeypatch.setattr(bi, "_member_rows", fake_members)
+    payload = {"title": "k-Coloring", "description": "Kann der Graph mit k Farben gefärbt werden?"}
+    await db.kanban_upsert_card(TOPIC, B, "c2", "cluster", "naming", payload)
+    await bi._name_one(ctx, _mk_flow(tmp_path), {"card_id": "c2", "payload": payload})
+    card = await db.kanban_get_card(TOPIC, B, "c2")
+    assert card["payload"]["title"] == "k-Coloring"  # unverankert → verfällt
+    assert card["stage"] == "naming_check"
+
+
+async def test_sanierung_fail_open(testdb, tmp_path, monkeypatch):
+    """Judge-Ausfall → Karte läuft unverändert weiter (kein Deadletter am Naming)."""
+    db = testdb
+    (tmp_path / "korpus.txt").write_text("Der Graph ist endlich.", encoding="utf-8")
+    monkeypatch.setattr(bi, "source_folder", lambda t: tmp_path)
+
+    async def broken_slot(*a, **kw):
+        return "failed", None
+
+    async def fake_members(topic, cid):
+        return [{"norm": "x", "title": "Graph", "description": "", "readers": ["r1"], "sources": []}]
+
+    monkeypatch.setattr(bi, "run_single_slot", broken_slot)
+    monkeypatch.setattr(bi, "_member_rows", fake_members)
+    payload = {"title": "Graph", "description": ""}
+    await db.kanban_upsert_card(TOPIC, B, "c3", "cluster", "naming", payload)
+    ctx = GenContext(topic=TOPIC, provider="claude", is_cancelled=lambda: False)
+    await bi._name_one(ctx, _mk_flow(tmp_path), {"card_id": "c3", "payload": payload})
+    card = await db.kanban_get_card(TOPIC, B, "c3")
+    assert card["stage"] == "naming_check" and card["payload"]["title"] == "Graph"
+
+
+async def test_sanierung_anker_und_beschreibung_ok_kein_judge(testdb, tmp_path, monkeypatch):
+    """Verankerter Titel + Beschreibung vorhanden → kein Sanierungs-Call."""
+    db = testdb
+    (tmp_path / "korpus.txt").write_text("Das k-Color Problem im Graph.", encoding="utf-8")
+    monkeypatch.setattr(bi, "source_folder", lambda t: tmp_path)
+
+    async def never_slot(*a, **kw):
+        raise AssertionError("Sanierung darf ohne Befund-Form nicht laufen")
+
+    async def fake_members(topic, cid):
+        return [{"norm": "k-color", "title": "k-Color", "description": "d", "readers": ["r1"], "sources": []}]
+
+    monkeypatch.setattr(bi, "run_single_slot", never_slot)
+    monkeypatch.setattr(bi, "_member_rows", fake_members)
+    payload = {"title": "k-Color", "description": "d"}
+    await db.kanban_upsert_card(TOPIC, B, "c4", "cluster", "naming", payload)
+    ctx = GenContext(topic=TOPIC, provider="claude", is_cancelled=lambda: False)
+    await bi._name_one(ctx, _mk_flow(tmp_path), {"card_id": "c4", "payload": payload})
+    assert (await db.kanban_get_card(TOPIC, B, "c4"))["stage"] == "naming_check"
diff --git a/backend/tests/test_subblocks.py b/backend/tests/test_subblocks.py
index 3dca326..c70daeb 100644
--- a/backend/tests/test_subblocks.py
+++ b/backend/tests/test_subblocks.py
@@ -75,11 +75,9 @@ def _mk_race(finder_by_agent):
             if "-r1-" in key:
                 agent = int(key.rsplit("-", 1)[1])
                 subs = finder_by_agent.get(agent) or []
-                if subs and (m := _MD_PATH.search(prompt)):
+                if subs:  # Finder antworten als TEXT (Marker-Format), kein out_path mehr
                     text = "<!-- block: Alpha -->\n" + "\n".join(f"- {s}" for s in subs)
-                    with open(m.group(1), "w", encoding="utf-8") as f:
-                        f.write(text)
-                    outs.append(slot["payload"](None))
+                    outs.append(slot["payload"]((0, text, "")))
         outs = [o for o in outs if o]
         return outs or None
     fake_race.slots_seen = []
@@ -177,11 +175,8 @@ async def test_catchup_adds_and_stops(sub_env, monkeypatch, tmp_path):
         if any("-subblock-x" in s["key"] for s in slots):
             hit["n"] += 1
             if hit["n"] == 1:  # first catch-up round: both agents agree on one new sub
-                for slot in slots[:2]:
-                    m = _MD_PATH.search(slot["prompt"])
-                    with open(m.group(1), "w", encoding="utf-8") as f:
-                        f.write("<!-- block: Alpha -->\n- Vertiefung der Konzepte")
-                return [slot["payload"](None) for slot in slots[:2]]
+                text = "<!-- block: Alpha -->\n- Vertiefung der Konzepte"
+                return [slot["payload"]((0, text, "")) for slot in slots[:2]]
             return None
         return await base(topic, label, slots, *a, **k)
 
@@ -251,13 +246,8 @@ async def test_paraphrase_saturation_stops_early(sub_env, monkeypatch):
 
     async def with_r2(topic, label, slots, *a, **k):
         if any("-r2-" in s["key"] for s in slots):
-            outs = []
-            for slot in slots[:2]:
-                m = _MD_PATH.search(slot["prompt"])
-                with open(m.group(1), "w", encoding="utf-8") as f:
-                    f.write("<!-- block: Alpha -->\n- Umbruch erfordert explizite Marker!")
-                outs.append(slot["payload"](None))
-            return outs
+            text = "<!-- block: Alpha -->\n- Umbruch erfordert explizite Marker!"
+            return [slot["payload"]((0, text, "")) for slot in slots[:2]]
         return await base_fake(topic, label, slots, *a, **k)
 
     monkeypatch.setattr(blx, "_race", with_r2)
@@ -282,11 +272,8 @@ async def test_round_cap_stops_endless_finders(sub_env, monkeypatch):
         rn = _re.search(r"-r(\d+)-", slots[0]["key"])
         n = rn.group(1) if rn else "x"
         for slot in slots[:2]:
-            m = _MD_PATH.search(slot["prompt"])
-            with open(m.group(1), "w", encoding="utf-8") as f:
-                f.write(f"<!-- block: Alpha -->\n- Konzept{n} ist eigenständig")
             prompts.append((slot["key"], slot["prompt"]))
-            outs.append(slot["payload"](None))
+            outs.append(slot["payload"]((0, f"<!-- block: Alpha -->\n- Konzept{n} ist eigenständig", "")))
         return outs
 
     monkeypatch.setattr(blx, "_race", endless)
@@ -362,8 +349,9 @@ def test_sink_json_writes_only_valid(tmp_path):
 
 
 async def test_clarify_inline_evidence_no_tools(sub_env, monkeypatch, tmp_path):
-    """Mit Korpus: Judges bekommen Auszüge inline und laufen ohne Tools (Text-Antwort);
-    die j-Datei schreibt die Engine. Finder bleiben unverändert bei capabilities=files."""
+    """Mit Korpus: Judges UND Finder bekommen Auszüge inline und laufen ohne Tools
+    (Text-Antwort); die Dateien schreibt die Engine. Der Finder verlor vorher 3–13
+    Tool-Runden pro Call mit der Material-Suche via glob/grep/bash."""
     db, ctx, files = sub_env
     d = _corpus(tmp_path)
     monkeypatch.setattr(blx, "source_folder", lambda t: d)
@@ -378,7 +366,9 @@ async def test_clarify_inline_evidence_no_tools(sub_env, monkeypatch, tmp_path):
     assert judges and all(s["capabilities"] == "none" for s in judges)
     assert "── Skript.txt" in judges[0]["prompt"]
     assert "ls/find" not in judges[0]["prompt"]  # keine Selbst-Recherche-Anweisung mehr
-    assert finders and all(s["capabilities"] == "files" for s in finders)
+    assert finders and all(s["capabilities"] == "none" for s in finders)
+    assert "── Skript.txt" in finders[0]["prompt"]  # Auszüge inline statt Dateisystem-Suche
+    assert "web search" not in finders[0]["prompt"]
     assert list(tmp_path.glob("subblock-final-*-j*.md"))  # Engine persistiert die Judge-Antwort
 
 
diff --git a/templates/Prompt/Blocks-Sanierung.md b/templates/Prompt/Blocks-Sanierung.md
new file mode 100644
index 0000000..d9598a9
--- /dev/null
+++ b/templates/Prompt/Blocks-Sanierung.md
@@ -0,0 +1,17 @@
+The block below was distilled from source material for the topic "{topic}", but its wording drifted from the material: the title may use terms that never literally appear in the sources (translated, expanded, or spelling-corrected), and the description may be missing.
+
+BLOCK:
+Title: {title}
+Description: {description}
+
+MATERIAL EXCERPTS:
+{excerpts}
+
+Tasks:
+- "title": If the title's terms do not literally appear in the excerpts, rewrite it using ONLY surface forms (exact spellings, even unusual ones) that appear in the excerpts — same meaning, same concreteness, max 8 words. If the title already matches the material wording, repeat it unchanged. Never broaden to a textbook term the excerpts don't use; NO catalog/reference brackets ("(Satz 6.33)", "(Kap. 4)").
+- "description": If the description is "(leer)", write ONE precise sentence grounded in the excerpts — no invented facts. Otherwise repeat it unchanged.
+
+Reply with ONLY the JSON — no code fences, no other text.
+
+Format:
+{{"title": "…", "description": "…"}}
diff --git a/templates/Prompt/Subblock-Research.md b/templates/Prompt/Subblock-Research.md
index f0a362d..5b5487a 100644
--- a/templates/Prompt/Subblock-Research.md
+++ b/templates/Prompt/Subblock-Research.md
@@ -2,7 +2,7 @@ Break each assigned block of the topic "{topic}" into its SUBBLOCKS — the indi
 
 Assigned to you — binding: every block must appear, invent no additional ones:
 {assignment}
-
+{material}
 What a subblock is:
 - A single sub-point you must learn for the block. One statement, one aspect, one pitfall.
 - Examples: block `<img>` → `src` (Bildquelle), `alt` (Alternativtext), empty `alt` for decorative images, `width`/`height` against layout shifts, void element without a closing tag. Block `<p>` → text paragraph as a block, allowed inline children, no nesting.
@@ -15,15 +15,13 @@ DECISIVE — the count follows the difficulty:
 Rules:
 - Each subblock is atomic: exactly one sub-point. No two aspects in one point.
 - Only what THIS block yields (scope). Don't inflate anything mentioned only in passing.
-- Backed, not invented. Verify uncertain points via web search.
+- {backing}
 - Subblock titles in GERMAN (code identifiers stay original), max. ~10 words, one statement.
 
-Write ONLY the file {out_path} — one block marker per block (title EXACTLY from the assignment), with the subblocks as a list below it:
+Reply with ONLY the subblock lists in this exact marker format — one block marker per block (title EXACTLY from the assignment), the subblocks as a list below it. No code fences, no text outside the blocks:
 
 <!-- block: Exact block title -->
 - First subblock
 - Second subblock
-
-Write the marker line exactly like this. No text outside the blocks.
 {known}
 {extra}