Phase 4: Lint — 五類健檢 + LLM 重複/矛盾偵測 + Gitea Actions 草稿 + selfcheck
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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LittleYellow
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tools/lint.py
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211
tools/lint.py
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"""wiki 健檢（AGENTS.md §7）：schema 完整性、過期主張、覆蓋缺口、孤兒頁、
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重複/矛盾頁偵測（LLM）。產出 markdown 報告；絕不修改或刪除任何檔案，
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所有項目一律標記待人工核准。
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用法：python tools/lint.py [--output reports] [--no-llm] [--root DIR]
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結束碼：0 = 無發現，1 = 有發現（供 CI 判斷）。
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"""
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import argparse
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import datetime
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import difflib
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import itertools
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import json
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import pathlib
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import re
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import sys
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sys.path.insert(0, str(pathlib.Path(__file__).parent))
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import kb
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# ponytail: 過期門檻寫死 180 天（naive heuristic）；若各類頁面需要不同節奏，
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# 升級路徑：依 type/tags 分級門檻。
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STALE_DAYS = 180
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# ponytail: LLM 逐對比較上限 15 對，避免 O(n²) 呼叫爆量；升級路徑：以 embedding
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# 預篩（Phase 6 之後評估 EmbeddingGemma / snowflake-arctic-embed）。
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MAX_LLM_PAIRS = 15
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SIM_THRESHOLD = 0.6
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PAIR_PROMPT = """判斷以下兩個 QA 知識庫 wiki 頁是否「重複」（描述同一事物，應合併）或「矛盾」（對同一事實給出不相容的主張）。只輸出 JSON：
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{{"relation": "duplicate" 或 "contradiction" 或 "none", "explanation": "一句話理由（繁體中文）"}}
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頁 A：{a_title} — {a_desc}
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內文節錄：
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<<<
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{a_body}
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>>>
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頁 B：{b_title} — {b_desc}
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內文節錄：
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<<<
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{b_body}
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>>>"""
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def validate_pair(obj):
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if obj.get("relation") not in ("duplicate", "contradiction", "none"):
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return "relation 須為 duplicate|contradiction|none"
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if not isinstance(obj.get("explanation"), str):
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return "explanation 須為字串"
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return None
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def load_pages(root, findings):
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pages = []
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for p in kb.iter_pages(root):
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rel = p.relative_to(root).as_posix()
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try:
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meta, body = kb.parse_page(p.read_text(encoding="utf-8"))
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pages.append((rel, meta, body))
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except Exception as e:
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findings.append(("schema", rel, f"無法解析：{e}"))
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return pages
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def check_schema(pages, manifest, findings):
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for rel, meta, _ in pages:
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for err in kb.validate_meta(meta):
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findings.append(("schema", rel, err))
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for s in meta.get("sources") or []:
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path, _, sha8 = str(s).rpartition("#")
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entry = manifest["files"].get(path)
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if entry is None:
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findings.append(("schema", rel, f"source_ref 不在 manifest：{s}"))
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elif not entry["sha256"].startswith(sha8):
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findings.append(("schema", rel, f"source_ref hash 與 manifest 不符：{s}"))
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def check_stale(pages, findings):
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today = datetime.date.today()
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for rel, meta, _ in pages:
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try:
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ts = datetime.date.fromisoformat(str(meta.get("timestamp")))
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except ValueError:
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continue # schema 檢查已報
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age = (today - ts).days
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if meta.get("status") == "stale":
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findings.append(("stale", rel, "已標記 stale，待人工複審或更新"))
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elif age > STALE_DAYS:
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findings.append(("stale", rel, f"最後更新 {age} 天前，建議人工複審後標記 stale"))
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def check_coverage(pages, manifest, findings):
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referenced = {str(s).rsplit("#", 1)[-1]
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for _, meta, _ in pages for s in meta.get("sources") or []}
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for path, e in manifest["files"].items():
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if e["kind"] == "converted" and e["sha256"][:8] not in referenced:
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findings.append(("coverage", path, "已轉換但沒有任何 wiki 頁引用（攝入缺口）"))
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if e["kind"] == "original" and e.get("status") == "needs_ocr":
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findings.append(("coverage", path, "needs_ocr：掃描件待人工決定 OCR 方案"))
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def check_orphans(root, pages, findings):
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# ponytail: 以「檔名出現在任何連結目標中」判斷被連結，不解析相對路徑；
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# 升級路徑：正規化解析所有 markdown 連結。
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link_targets = ""
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idx = root / "index.md"
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if idx.is_file():
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link_targets += idx.read_text(encoding="utf-8")
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for _, _, body in pages:
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link_targets += body
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linked = set(re.findall(r"\(([^)]+\.md)\)", link_targets))
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linked_names = {pathlib.PurePosixPath(t).name for t in linked}
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for rel, _, _ in pages:
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if pathlib.PurePosixPath(rel).name not in linked_names:
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findings.append(("orphan", rel, "不被 index.md 或任何其他頁連結"))
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def candidate_pairs(pages):
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cands = {}
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for (ra, ma, ba), (rb, mb, bb) in itertools.combinations(pages, 2):
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sim = difflib.SequenceMatcher(
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None, f"{ma['title']} {ma['description']}",
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f"{mb['title']} {mb['description']}").ratio()
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shared_tags = len(set(ma.get("tags") or []) & set(mb.get("tags") or []))
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if sim >= SIM_THRESHOLD or shared_tags >= 2:
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cands[(ra, rb)] = (sim, (ma, ba), (mb, bb))
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ranked = sorted(cands.items(), key=lambda kv: -kv[1][0])
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return ranked[:MAX_LLM_PAIRS]
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def check_pairs_llm(cfg, pages, findings):
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for (ra, rb), (sim, (ma, ba), (mb, bb)) in candidate_pairs(pages):
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try:
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obj, _ = kb.llm_json(cfg, "lint", PAIR_PROMPT.format(
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a_title=ma["title"], a_desc=ma["description"], a_body=ba[:1500],
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b_title=mb["title"], b_desc=mb["description"], b_body=bb[:1500]),
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validate_pair)
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except RuntimeError as e:
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findings.append(("llm-pair", f"{ra} ↔ {rb}", f"LLM 比對失敗：{e}"))
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continue
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if obj["relation"] == "duplicate":
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findings.append(("duplicate", f"{ra} ↔ {rb}", f"疑似重複：{obj['explanation']}"))
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elif obj["relation"] == "contradiction":
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findings.append(("contradiction", f"{ra} ↔ {rb}", f"疑似矛盾：{obj['explanation']}"))
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SECTION_TITLES = {
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"schema": "Schema 完整性", "stale": "過期主張（staleness）",
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"coverage": "覆蓋缺口", "orphan": "孤兒頁",
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"duplicate": "重複頁（LLM 判定）", "contradiction": "矛盾頁（LLM 判定）",
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"llm-pair": "LLM 比對失敗（需重跑）",
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}
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def write_report(out_dir, findings, n_pages, llm_note):
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now = datetime.datetime.now()
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out_dir.mkdir(parents=True, exist_ok=True)
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path = out_dir / f"lint-{now.strftime('%Y%m%d-%H%M%S')}.md"
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counts = {}
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for check, _, _ in findings:
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counts[check] = counts.get(check, 0) + 1
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lines = [f"# Lint 報告 — {now.strftime('%Y-%m-%d %H:%M')}", "",
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f"- 檢查頁面數：{n_pages}",
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f"- 發現項目：{len(findings)}（" + "、".join(
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f"{SECTION_TITLES[k]} {v}" for k, v in counts.items()) + "）"
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if findings else "- 發現項目：0",
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f"- LLM 比對：{llm_note}", "",
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"> lint 絕不修改或刪除任何檔案；以下所有項目皆**待人工核准**後才處置。", ""]
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for check in SECTION_TITLES:
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items = [(w, msg) for c, w, msg in findings if c == check]
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if not items:
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continue
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lines += [f"## {SECTION_TITLES[check]}", ""]
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lines += [f"- [ ] `{w}` — {msg}" for w, msg in items]
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lines.append("")
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path.write_text("\n".join(lines), encoding="utf-8")
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return path
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def main(argv=None):
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ap = argparse.ArgumentParser(description=__doc__)
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ap.add_argument("--output", default="reports")
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ap.add_argument("--no-llm", action="store_true", help="跳過重複/矛盾的 LLM 比對")
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ap.add_argument("--root", default=str(kb.ROOT))
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a = ap.parse_args(argv)
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root = pathlib.Path(a.root).resolve()
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cfg = kb.load_config(root)
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manifest = json.loads((root / "raw" / "manifest.json").read_text(encoding="utf-8"))
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findings = []
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pages = load_pages(root, findings)
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check_schema(pages, manifest, findings)
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check_stale(pages, findings)
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check_coverage(pages, manifest, findings)
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check_orphans(root, pages, findings)
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if a.no_llm:
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llm_note = "已略過（--no-llm）"
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else:
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llm_note = f"model={cfg['tasks']['lint']['model']}，上限 {MAX_LLM_PAIRS} 對"
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check_pairs_llm(cfg, pages, findings)
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out = pathlib.Path(a.output)
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report = write_report(out if out.is_absolute() else root / out,
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findings, len(pages), llm_note)
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print(f"報告：{report}")
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print(f"發現 {len(findings)} 項" if findings else "無發現")
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if findings:
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raise SystemExit(1)
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if __name__ == "__main__":
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main()
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