252 lines
8.9 KiB
Python
252 lines
8.9 KiB
Python
"""Pipeline-Grundbausteine: Agent-Races, Single-Slot, Check→Fix, Prompts, Guide-Status.
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Hält den mutablen Pipeline-Zustand (Generierungs-Semaphore, Cancel-Set).
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Zugriff auf das Cancel-Set NUR über die Funktionen hier — kopierte Referenzen
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in anderen Modulen würden bei einem Re-Assign auseinanderlaufen.
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"""
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import asyncio
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import logging
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from dataclasses import dataclass
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from datetime import datetime, timezone
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from pathlib import Path
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from typing import Callable
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from agents import run_agent, kill_process
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from config import MAX_CONCURRENT_GENERATIONS, TEMPLATES_DIR, TIMEOUTS
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from database import update_guide
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from jsonio import read_json_file as _json_datei
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log = logging.getLogger("creator.pipeline")
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_semaphore = asyncio.Semaphore(MAX_CONCURRENT_GENERATIONS)
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_cancelled: set[str] = set()
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async def cancel_guide(guide_id: str) -> bool:
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_cancelled.add(guide_id)
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kill_process(guide_id)
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="error", progress=None, error_msg="Abgebrochen — Fortschritt bleibt erhalten", updated_at=now)
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return True
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def is_guide_cancelled(guide_id: str) -> bool:
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return guide_id in _cancelled
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def clear_guide_cancelled(guide_id: str) -> None:
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_cancelled.discard(guide_id)
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async def _set_progress(guide_id: str, progress: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, progress=progress, updated_at=now)
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async def _set_step(guide_id: str, step: int, progress: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, step=step, progress=progress, updated_at=now)
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async def _fail(guide_id: str, msg: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="error", progress=None, error_msg=msg, updated_at=now)
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def _prompt(name: str, **kwargs) -> str:
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template = (TEMPLATES_DIR / "Prompt" / f"{name}.md").read_text(encoding="utf-8")
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return template.format(**kwargs)
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def _extra(instructions: str) -> str:
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return f"\n\nZUSÄTZLICHE ANWEISUNGEN VOM NUTZER:\n{instructions}\n" if instructions else ""
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def _log(topic: str, msg: str) -> None:
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log.info("[%s] %s", topic, msg)
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def _claude_error(label: str, returncode: int, stdout: str, stderr: str) -> str:
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stderr = (stderr or "").strip()
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if stderr:
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return f"{label}: {stderr[:1000]}"
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tail = (stdout or "").strip()[-500:]
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if tail:
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return f"{label} (exit {returncode}, stderr leer): …{tail}"
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return f"{label} (exit {returncode}, ohne Ausgabe)"
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def _gather_error(label: str, results: list) -> str:
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for r in results:
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if isinstance(r, BaseException):
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return f"{label}: {type(r).__name__}: {r}"
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returncode, stdout, stderr = r
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if returncode != 0:
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return _claude_error(label, returncode, stdout, stderr)
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return f"{label}: kein verwertbares Ergebnis"
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def _timeout(step: str, n: int = 0) -> int:
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base, per = TIMEOUTS[step]
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return base + per * n
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def _probleme_schema(data):
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"""{"ok": true} → [] · {"probleme": [str]} → Liste · sonst None."""
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if not isinstance(data, dict):
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return None
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if data.get("ok") is True:
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return []
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p = data.get("probleme")
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if not isinstance(p, list) or not p:
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return None
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out = [str(x).strip() for x in p if str(x).strip()]
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return out or None
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_MAX_RESTARTS = 2
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async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout: int, provider: str, on_update=None, cancelled=None) -> list | None:
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"""Startet alle Slots parallel und sammelt `quorum` gültige Ergebnisse.
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Slot-Spec: {key, prompt, role, capabilities, payload}. `payload(result)`
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prüft die Gültigkeit und liefert das Slot-Ergebnis oder None.
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Fehler/Timeout/ungültig → Slot-Neustart (max. _MAX_RESTARTS). Sobald das
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Quorum steht, werden die übrigen Agenten gekillt. None = Quorum verfehlt.
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`cancelled()` → True bricht ab (keine Restarts, Rückgabe None).
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"""
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attempts = {i: 0 for i in range(len(slots))}
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tasks: dict[asyncio.Task, int] = {}
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def spawn(i: int) -> None:
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slot = slots[i]
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task = asyncio.create_task(run_agent(
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slot["key"], slot["prompt"], timeout,
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provider=provider, role=slot["role"], capabilities=slot["capabilities"],
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))
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tasks[task] = i
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for i in range(len(slots)):
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spawn(i)
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results: list = []
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try:
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while tasks:
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if cancelled and cancelled():
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return None
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done, _ = await asyncio.wait(tasks.keys(), return_when=asyncio.FIRST_COMPLETED)
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for task in done:
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i = tasks.pop(task)
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payload, err = None, None
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try:
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result = task.result()
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if result[0] != 0:
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err = _claude_error("Fehler", *result)
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else:
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payload = slots[i]["payload"](result)
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if payload is None:
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err = "Ergebnis ungültig/nicht parsebar"
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except asyncio.TimeoutError:
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err = f"Timeout nach {timeout}s"
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except Exception as e:
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err = f"{type(e).__name__}: {e}"
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if payload is not None:
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results.append(payload)
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if on_update:
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on_update(len(results))
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if len(results) >= quorum:
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return results
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continue
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_log(topic, f"{label} {i + 1} (Versuch {attempts[i] + 1}): {err}")
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attempts[i] += 1
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if attempts[i] <= _MAX_RESTARTS and not (cancelled and cancelled()):
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spawn(i)
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_log(topic, f"{label}: Quorum {quorum} nicht erreicht ({len(results)} gültig)")
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return None
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finally:
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for task, i in tasks.items():
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kill_process(slots[i]["key"])
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task.cancel()
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if tasks:
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await asyncio.gather(*tasks.keys(), return_exceptions=True)
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@dataclass
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class GenContext:
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"""Durchgereichte Pipeline-Parameter — erspart lange Argument-Signaturen."""
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topic: str
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provider: str
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is_cancelled: Callable[[], bool]
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guide_id: str | None = None
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# Ergebnis-Status von run_single_slot/_check_then_fix
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OK, CANCELLED, FAILED = "ok", "cancelled", "failed"
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async def run_single_slot(
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ctx: GenContext, label: str, *,
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key: str, prompt: str, role: str, capabilities: str, payload, timeout: int,
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) -> tuple[str, object]:
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"""Ein Agent, ein gültiges Ergebnis (Race mit Quorum 1).
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→ (OK, wert) | (CANCELLED, None) | (FAILED, None)
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"""
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slots = [{"key": key, "prompt": prompt, "role": role, "capabilities": capabilities, "payload": payload}]
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res = await _race(ctx.topic, label, slots, 1, timeout, ctx.provider, cancelled=ctx.is_cancelled)
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if ctx.is_cancelled():
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return CANCELLED, None
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if res is None:
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return FAILED, None
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return OK, res[0]
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async def _check_then_fix(
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ctx: GenContext, *, name: str, step: int,
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check_key: str, check_prompt: str, check_path: Path, check_timeout: int,
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fix_key: str, build_fix_prompt, fix_payload, fix_timeout: int,
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fix_role: str = "fast", fix_caps: str = "files",
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on_fix_invalid=None,
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) -> tuple[str, object]:
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"""Check→Fix-Muster: Prüf-Agent notiert Probleme (JSON), Fix-Agent behebt sie.
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Resume: existierende Check-Datei überspringt den ganzen Schritt.
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Check ist fatal (FAILED), Fix nicht — Original bleibt; on_fix_invalid kann
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das kanonische Original zurückschreiben, falls der Fix-Agent die
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Artefakt-Datei zerschrieben hat.
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Lese-Check (Multi-Slot, Section-genau) und Bausteine-Auswahl-Check
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(Patch-Semantik) passen bewusst NICHT in dieses Muster.
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→ (OK, neues_artefakt | None=unverändert) | (CANCELLED, None) | (FAILED, None)
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"""
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if check_path.exists():
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return OK, None
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await _set_step(ctx.guide_id, step, f"Prüfe {name}…")
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status, probleme = await run_single_slot(
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ctx, f"{name}-Prüfung", key=check_key, prompt=check_prompt,
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role="fast", capabilities="files",
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payload=lambda result: _probleme_schema(_json_datei(check_path)),
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timeout=check_timeout,
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)
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if status != OK:
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return status, None
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if not probleme:
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return OK, None
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_log(ctx.topic, f"{name}-Prüfung: {len(probleme)} Problem(e) notiert")
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await _set_step(ctx.guide_id, step, f"Passe {name} an…")
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status, fixed = await run_single_slot(
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ctx, f"{name}-Fix", key=fix_key, prompt=build_fix_prompt(probleme),
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role=fix_role, capabilities=fix_caps, payload=fix_payload, timeout=fix_timeout,
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)
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if status == CANCELLED:
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return CANCELLED, None
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if status == FAILED:
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_log(ctx.topic, f"{name}-Fix ungültig — Original bleibt")
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if on_fix_invalid:
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on_fix_invalid()
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return OK, None
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return OK, fixed
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