diff --git a/.gitignore b/.gitignore
index 296bf1d..42fbe7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,6 +50,7 @@ logs/*.log.*
 data/raw/
 data/processed/
 data/cache/
+data/pipeline/
 *.sqlite
 *.sqlite3
 *.db
diff --git a/a_share_cli/main.py b/a_share_cli/main.py
index a581eab..c00c98b 100644
--- a/a_share_cli/main.py
+++ b/a_share_cli/main.py
@@ -179,6 +179,8 @@ def cmd_pipeline(args: argparse.Namespace) -> int:
         return _run_module("scripts.run_scheduler", extra, timeout=pipeline_timeout)
     if args.once:
         extra = ["--once", "--date", args.date or _today()]
+        if args.resume:
+            extra.append("--resume")
         steps = args.steps
         if args.report:
             steps = (steps + ",report") if steps else "report"
@@ -878,6 +880,8 @@ def main() -> int:
     p.add_argument("--once", action="store_true", help="立即执行一次")
     p.add_argument("--date", default=None)
     p.add_argument("--steps", default=None, help="指定步骤(crawler,extractor,...,report)")
+    p.add_argument("--resume", action="store_true",
+                   help="断点续跑(仅 --once):跳过连续成功步骤,从上次失败/未执行步骤继续")
     p.add_argument("--report", action="store_true", help="全链路末尾生成日报")
     p.add_argument("--cninfo-once", action="store_true", help="cninfo watchlist 全链路(公告+调研+IRM)")
     p.set_defaults(func=cmd_pipeline)
diff --git a/scheduler/pipeline.py b/scheduler/pipeline.py
index c37251d..a16b1d8 100644
--- a/scheduler/pipeline.py
+++ b/scheduler/pipeline.py
@@ -2,17 +2,27 @@
 
 编排 M1→M6 全链路,每一步调用已有脚本。
 单步失败记录日志但不阻断后续(后续步骤可能使用旧缓存数据,降级继续)。
+
+断点恢复:
+    每次运行把各步骤结果写入 data/pipeline/state.json(按日期隔离);
+    run_pipeline(resume=True) 时跳过连续成功的步骤,从第一个失败/未执行
+    的步骤继续,实现 `pipeline --once --resume` 断点续跑。
 """
 
 from __future__ import annotations
 
+import json
 import subprocess
 import time
 from dataclasses import dataclass, field
 from datetime import date, datetime
+from pathlib import Path
 
 from loguru import logger
 
+# 断点状态文件(按日期隔离,记录每步骤结果)
+DEFAULT_STATE_PATH = Path("data/pipeline/state.json")
+
 # 步骤超时(秒)
 STEP_TIMEOUTS: dict[str, int] = {
     "crawler": 900,     # M1 抓取(含 Playwright 浏览器,13 源约 8-12 min)
@@ -64,6 +74,54 @@ class PipelineResult:
         return all(s.success for s in self.steps)
 
 
+def _load_pipeline_state(path: Path = DEFAULT_STATE_PATH) -> dict:
+    """读取断点状态文件;不存在或损坏时返回空 dict。"""
+    if not path.is_file():
+        return {}
+    try:
+        data = json.loads(path.read_text(encoding="utf-8"))
+    except (json.JSONDecodeError, OSError) as e:
+        logger.warning("pipeline 状态文件损坏,忽略: {} ({})", path, e)
+        return {}
+    return data if isinstance(data, dict) else {}
+
+
+def _save_pipeline_state(state: dict, path: Path = DEFAULT_STATE_PATH) -> None:
+    """原子写状态文件(tmp + rename,避免中断写坏)。"""
+    path.parent.mkdir(parents=True, exist_ok=True)
+    tmp = path.with_suffix(".json.tmp")
+    tmp.write_text(json.dumps(state, ensure_ascii=False, indent=2), encoding="utf-8")
+    tmp.replace(path)
+
+
+def _update_step_state(state: dict, date_str: str, sr: StepResult) -> None:
+    """把单步结果写入状态(ok/failed,含退出码与耗时)。"""
+    day_state = state.setdefault(date_str, {})
+    day_state[sr.name] = {
+        "status": "ok" if sr.success else "failed",
+        "exit_code": sr.exit_code,
+        "started_at": sr.started_at.isoformat() if sr.started_at else None,
+        "elapsed_sec": round(sr.elapsed_sec, 1),
+    }
+
+
+def _resume_start_index(
+    names: list[str],
+    date_str: str,
+    state: dict,
+) -> int:
+    """计算断点续跑起始下标:跳过连续 ok 前缀,从首个失败/未记录步骤开始。
+
+    返回 0..len(names)-1;全部成功时返回 len(names)(表示无需续跑)。
+    """
+    day_state = state.get(date_str, {})
+    for i, name in enumerate(names):
+        rec = day_state.get(name)
+        if rec is None or rec.get("status") != "ok":
+            return i
+    return len(names)
+
+
 def run_step(name: str, date_str: str) -> StepResult:
     """执行单个 pipeline 步骤。
 
@@ -158,19 +216,45 @@ def run_step(name: str, date_str: str) -> StepResult:
                           tail_msg=str(e)[:200], started_at=started)
 
 
-def run_pipeline(date_str: str, *, steps: list[str] | None = None) -> PipelineResult:
+def run_pipeline(
+    date_str: str,
+    *,
+    steps: list[str] | None = None,
+    resume: bool = False,
+    state_path: Path = DEFAULT_STATE_PATH,
+) -> PipelineResult:
     """串联执行全链路(M1→M6)。
 
     参数:
         date_str: YYYYMMDD。
         steps:    可选步骤列表,默认全部 6 步。
+        resume:   True 时断点续跑——读取 data/pipeline/state.json 中该日期的
+                  记录,跳过连续成功的步骤,从第一个失败/未执行步骤继续。
+        state_path: 断点状态文件路径(测试可注入)。
     """
     names = steps or [k for k in STEP_COMMANDS if k not in ("report", "cninfo_crawl", "cninfo_extract", "cninfo_pdf")]
     result = PipelineResult(started_at=datetime.now())
 
-    for name in names:
+    state = _load_pipeline_state(state_path)
+    start_idx = 0
+    if resume:
+        start_idx = _resume_start_index(names, date_str, state)
+        if start_idx >= len(names):
+            logger.info("resume: {} 的所有步骤均已完成,无需续跑", date_str)
+            result.finished_at = datetime.now()
+            return result
+        logger.info(
+            "resume: 从步骤 {} 继续{}",
+            names[start_idx],
+            f" (跳过已成功 {names[:start_idx]})" if start_idx > 0 else "",
+        )
+
+    for name in names[start_idx:]:
         sr = run_step(name, date_str)
         result.steps.append(sr)
+        # 记录断点状态(无论成败,便于下次 resume)
+        _update_step_state(state, date_str, sr)
+        _save_pipeline_state(state, state_path)
         if not sr.success:
             logger.warning("步骤 {} 失败,后续步骤继续(可能降级)", name)
         # 步间留一点缓冲
diff --git a/scripts/run_embedding.py b/scripts/run_embedding.py
index 7f7c00d..5e5e088 100644
--- a/scripts/run_embedding.py
+++ b/scripts/run_embedding.py
@@ -13,6 +13,9 @@
     data/embeddings/{day}/{url_hash}.json     (含 vector 完整内容)
     data/embeddings/{day}/index.jsonl         (扁平摘要,不含向量,便于检索/调试)
     data/embeddings/{day}/failed.jsonl        (失败列表)
+
+增量: 默认跳过已嵌入的文章(输出目录已有 {url_hash}.json 视为已处理),
+      断点续跑/失败重试不会重复调用 embed API;--force 强制全量重嵌入。
 """
 
 from __future__ import annotations
@@ -142,6 +145,26 @@ def _collect_inputs(args: argparse.Namespace) -> list[tuple[Path, str]]:
     return files
 
 
+def _filter_existing(
+    files: list[tuple[Path, str]], out_dir: Path
+) -> tuple[list[tuple[Path, str]], int]:
+    """过滤掉已有产物(输出目录存在同名 {url_hash}.json)的输入。
+
+    输入与输出文件名均为 {url_hash}.json,直接比对 stem。
+    返回 (待处理, 跳过数);断点续跑/失败重试借此避免重复调用 embed API。
+    """
+    pending: list[tuple[Path, str]] = []
+    skipped = 0
+    for fp, kind in files:
+        if (out_dir / f"{fp.stem}.json").exists():
+            skipped += 1
+        else:
+            pending.append((fp, kind))
+    if skipped:
+        logger.info("跳过已嵌入 {} 篇(产物已存在),待处理 {}", skipped, len(pending))
+    return pending, skipped
+
+
 # --------------------------------------------------------------------------- #
 # 主流程
 # --------------------------------------------------------------------------- #
@@ -150,12 +173,24 @@ async def _run(args: argparse.Namespace) -> int:
     load_dotenv()
 
     files = _collect_inputs(args)
-    if args.limit:
-        files = files[: args.limit]
     if not files:
         logger.error("未发现任何输入文件: {} ({})", args.input, args.date)
         return 2
-    logger.info("待嵌入文章数: {} (input={})", len(files), args.input)
+
+    out_dir = Path(args.out_root) / args.date
+    out_dir.mkdir(parents=True, exist_ok=True)
+    # 增量:跳过已有产物(断点续跑/失败重试不重复调用 embed API),--force 全量
+    skipped = 0
+    if not args.force:
+        files, skipped = _filter_existing(files, out_dir)
+    if args.limit:
+        files = files[: args.limit]
+    if not files:
+        logger.info(
+            "无待嵌入文章(全部已处理,跳过 {} 篇),如需重新嵌入请加 --force", skipped
+        )
+        return 0
+    logger.info("待嵌入文章数: {} (跳过已处理 {}; input={})", len(files), skipped, args.input)
 
     # 准备每篇文本
     prepared: list[tuple[str, Article, str | None]] = []
@@ -170,13 +205,17 @@ async def _run(args: argparse.Namespace) -> int:
         logger.error("所有输入文件均无法解析")
         return 2
 
-    out_dir = Path(args.out_root) / args.date
-    out_dir.mkdir(parents=True, exist_ok=True)
     index_path = out_dir / "index.jsonl"
     failed_path = out_dir / "failed.jsonl"
-    for p in (index_path, failed_path):
-        if p.exists():
-            p.unlink()
+    if args.force:
+        # 全量模式:重建 index / failed
+        for p in (index_path, failed_path):
+            if p.exists():
+                p.unlink()
+    else:
+        # 增量模式:index 累积追加;failed 只保留本次运行失败的
+        if failed_path.exists():
+            failed_path.unlink()
 
     started = time.time()
     succ_cnt = 0
@@ -282,6 +321,8 @@ def main() -> int:
                         help="每批送 embed 的条数(DashScope 上限 10)")
     parser.add_argument("--limit", type=int, default=0,
                         help="最多处理 N 篇,0=不限")
+    parser.add_argument("--force", action="store_true",
+                        help="强制全量重嵌入(默认跳过已嵌入文章)")
     parser.add_argument("--log-level", default="INFO")
     args = parser.parse_args()
 
diff --git a/scripts/run_event_extraction.py b/scripts/run_event_extraction.py
index c7de976..5b717ac 100644
--- a/scripts/run_event_extraction.py
+++ b/scripts/run_event_extraction.py
@@ -6,12 +6,16 @@
      data/events/{YYYYMMDD}/index.jsonl (扁平摘要)
      data/events/{YYYYMMDD}/failed.jsonl (失败列表)
 
+增量: 默认跳过已抽取的文章(输出目录已有 {url_hash}.json 视为已处理),
+      断点续跑/失败重试不会重复调用 LLM API;--force 强制全量重抽。
+
 用法:
     uv run python -m scripts.run_event_extraction
     uv run python -m scripts.run_event_extraction --date 20260616
     uv run python -m scripts.run_event_extraction --provider qwen --model qwen-plus
     uv run python -m scripts.run_event_extraction --concurrency 5 --limit 10
     uv run python -m scripts.run_event_extraction --input-root data/processed --no-deduped
+    uv run python -m scripts.run_event_extraction --force      # 全量重抽
 """
 
 from __future__ import annotations
@@ -79,6 +83,24 @@ def _collect_inputs(
     return files
 
 
+def _filter_existing(files: list[Path], out_dir: Path) -> tuple[list[Path], int]:
+    """过滤掉已有产物(输出目录存在同名 {url_hash}.json)的输入。
+
+    输入文件名即 url_hash(如 {url_hash}.json),与 M4 产物命名一致。
+    返回 (待处理文件, 跳过数);断点续跑/失败重试借此避免重复调用 LLM API。
+    """
+    pending: list[Path] = []
+    skipped = 0
+    for fp in files:
+        if (out_dir / f"{fp.stem}.json").exists():
+            skipped += 1
+        else:
+            pending.append(fp)
+    if skipped:
+        logger.info("跳过已处理 {} 篇(产物已存在),待处理 {}", skipped, len(pending))
+    return pending, skipped
+
+
 def _load_article(p: Path) -> Article | None:
     try:
         return Article.model_validate(json.loads(p.read_text(encoding="utf-8")))
@@ -101,24 +123,40 @@ async def _run(args: argparse.Namespace) -> int:
     input_root = Path(args.input_root)
     use_deduped = not args.no_deduped
     files = _collect_inputs(input_root, args.date, use_deduped, args.source)
-    if args.limit:
-        files = files[: args.limit]
     if not files:
         logger.error(
             "{} 下未发现 {} 的文章(use_deduped={})",
             input_root, args.date, use_deduped,
         )
         return 2
-    logger.info("待处理文章数: {}", len(files))
 
     out_dir = Path(args.out_root) / args.date
     out_dir.mkdir(parents=True, exist_ok=True)
+    # 增量:跳过已有产物(断点续跑/失败重试不重复调用 LLM API),--force 全量
+    skipped = 0
+    if not args.force:
+        files, skipped = _filter_existing(files, out_dir)
+    if args.limit:
+        files = files[: args.limit]
+    if not files:
+        logger.info(
+            "无待处理文章(全部已抽取,跳过 {} 篇),如需重抽请加 --force", skipped
+        )
+        return 0
+
+    logger.info("待处理文章数: {} (跳过已处理 {})", len(files), skipped)
+
     index_path = out_dir / "index.jsonl"
     failed_path = out_dir / "failed.jsonl"
-    # 重跑时清掉旧的 jsonl,避免重复追加
-    for p in (index_path, failed_path):
-        if p.exists():
-            p.unlink()
+    if args.force:
+        # 全量模式:重建 index / failed
+        for p in (index_path, failed_path):
+            if p.exists():
+                p.unlink()
+    else:
+        # 增量模式:index 累积追加;failed 只保留本次运行失败的
+        if failed_path.exists():
+            failed_path.unlink()
 
     template = PromptTemplate(args.prompt)
     semaphore = asyncio.Semaphore(args.concurrency)
@@ -209,6 +247,8 @@ def main() -> int:
                         help="LLM 异步并发上限")
     parser.add_argument("--max-attempts", type=int, default=3,
                         help="单篇文章最大重试次数")
+    parser.add_argument("--force", action="store_true",
+                        help="强制全量重抽(默认跳过已抽取文章)")
     parser.add_argument("--limit", type=int, default=0,
                         help="最多处理 N 篇,0=不限制(用于联调)")
     parser.add_argument("--prompt", default="prompts/event_extraction.md",
diff --git a/scripts/run_extractor.py b/scripts/run_extractor.py
index 245f0fd..135b21c 100644
--- a/scripts/run_extractor.py
+++ b/scripts/run_extractor.py
@@ -14,12 +14,14 @@
 from __future__ import annotations
 
 import argparse
+import contextlib
 import json
 import sys
 from datetime import date, datetime
 from pathlib import Path
 
 from loguru import logger
+from pydantic import ValidationError
 
 from extractor import Article, ExtractError, extract_article
 from extractor.parser import _url_hash
@@ -238,16 +240,21 @@ def _process_cninfo_v2(rec: dict, json_path: Path, out_dir: Path) -> Article | N
     return _save_article(article, out_dir)
 
 
+def _append_index(article: Article, out_dir: Path) -> None:
+    """把 Article 的扁平摘要追加到 index.jsonl。"""
+    flat = article.model_dump(exclude={"content", "images"}, mode="json")
+    flat["article_file"] = f"{article.url_hash}.json"
+    flat["content_preview"] = article.content[:80]
+    with (out_dir / "index.jsonl").open("a", encoding="utf-8") as f:
+        f.write(json.dumps(flat, ensure_ascii=False) + "\n")
+
+
 def _save_article(article: Article, out_dir: Path) -> Article:
     """保存 Article JSON 并追加 index。"""
     out_dir.mkdir(parents=True, exist_ok=True)
     article_path = out_dir / f"{article.url_hash}.json"
     article_path.write_text(article.model_dump_json(indent=2), encoding="utf-8")
-    flat = article.model_dump(exclude={"content", "images"}, mode="json")
-    flat["article_file"] = article_path.name
-    flat["content_preview"] = article.content[:80]
-    with (out_dir / "index.jsonl").open("a", encoding="utf-8") as f:
-        f.write(json.dumps(flat, ensure_ascii=False) + "\n")
+    _append_index(article, out_dir)
     return article
 
 
@@ -257,37 +264,57 @@ def _process_source_day(
     raw_root: Path,
     out_root: Path,
     body_xpath_map: dict[str, str] | None = None,
-) -> tuple[int, int]:
-    """处理单个源单日。返回 (成功数, 总数)。"""
+    *,
+    force: bool = False,
+) -> tuple[int, int, int]:
+    """处理单个源单日。返回 (成功数, 总数, 跳过数)。
+
+    默认增量:已提取的文章(输出目录已有 {url_hash}.json)跳过提取,仅回补 index 行;
+    force=True 时全量重提取并重建 index。
+    """
     raw_dir = raw_root / source_id / day
     out_dir = out_root / source_id / day
 
     records = _iter_article_records(raw_dir)
     if not records:
         logger.info("源 {} 日期 {} 无可处理记录", source_id, day)
-        return 0, 0
+        return 0, 0, 0
 
-    # 清理同日旧的 index.jsonl,避免重复追加
+    # 全量模式:重建 index;增量模式:保留旧 index 追加新条目
     old_index = out_dir / "index.jsonl"
-    if old_index.exists():
+    if force and old_index.exists():
         old_index.unlink()
 
     succ = 0
+    skipped = 0
     for rec in records:
+        url_hash = rec.get("url_hash") or _url_hash(rec.get("url") or "")
+        existing = out_dir / f"{url_hash}.json"
+        if not force and existing.is_file():
+            # 增量:跳过已提取,回补 index 行保持摘要完整
+            skipped += 1
+            with contextlib.suppress(json.JSONDecodeError, ValidationError, OSError):
+                _append_index(
+                    Article.model_validate(json.loads(existing.read_text(encoding="utf-8"))),
+                    out_dir,
+                )
+            continue
         article = _process_one(rec, raw_dir, out_dir, body_xpath_map)
         if article is not None:
             succ += 1
     total = len(records)
-    rate = succ / max(total, 1)
+    # 增量模式下「跳过已提取」视为已成功处理,避免全跳过时误报成功率 0%
+    rate = (succ + skipped) / max(total, 1)
     logger.info(
-        "源 {} 日期 {} 提取完成: {}/{} 成功率 {:.0%}",
+        "源 {} 日期 {} 提取完成: {}/{} 成功率 {:.0%} (跳过已提取 {})",
         source_id,
         day,
         succ,
         total,
         rate,
+        skipped,
     )
-    return succ, total
+    return succ, total, skipped
 
 
 def _list_source_dirs(raw_root: Path) -> list[str]:
@@ -307,6 +334,8 @@ def main() -> int:
         default=date.today().strftime("%Y%m%d"),
         help="处理日期 YYYYMMDD,默认今日",
     )
+    parser.add_argument("--force", action="store_true",
+                        help="强制全量重提取(默认跳过已提取文章)")
     parser.add_argument("--log-level", default="INFO")
     args = parser.parse_args()
 
@@ -335,18 +364,24 @@ def main() -> int:
     started = datetime.now()
     total_succ = 0
     total_all = 0
+    total_skipped = 0
     for src in sources:
-        succ, total = _process_source_day(src, args.date, raw_root, out_root, body_xpath_map)
+        succ, total, skipped = _process_source_day(
+            src, args.date, raw_root, out_root, body_xpath_map, force=args.force
+        )
         total_succ += succ
         total_all += total
+        total_skipped += skipped
 
     elapsed = (datetime.now() - started).total_seconds()
-    rate = total_succ / max(total_all, 1)
+    # 增量模式下跳过已提取视为成功
+    rate = (total_succ + total_skipped) / max(total_all, 1)
     logger.info(
-        "全部完成: {}/{} 成功率 {:.0%} 用时 {:.1f}s",
+        "全部完成: {}/{} 成功率 {:.0%} (跳过已提取 {}) 用时 {:.1f}s",
         total_succ,
         total_all,
         rate,
+        total_skipped,
         elapsed,
     )
     return 0 if rate >= 0.9 or total_all == 0 else 1
diff --git a/scripts/run_scheduler.py b/scripts/run_scheduler.py
index 992244a..5d11f4f 100644
--- a/scripts/run_scheduler.py
+++ b/scripts/run_scheduler.py
@@ -59,11 +59,17 @@ def _parse_schedule_times(raw: str) -> list[tuple[int, int]]:
 
 
 def _once(args: argparse.Namespace) -> int:
-    """单次执行模式。"""
+    """单次执行模式。
+
+    默认全量执行;--resume 时断点续跑(跳过连续成功步骤,从失败/未执行步骤继续)。
+    """
     steps = None
     if args.steps:
         steps = [s.strip() for s in args.steps.split(",")]
-    run_pipeline(args.date, steps=steps)
+    if args.resume and args.steps:
+        logger.error("--resume 与 --steps 不能同时使用(断点续跑针对全链路)")
+        return 2
+    run_pipeline(args.date, steps=steps, resume=args.resume)
     return 0
 
 
@@ -185,6 +191,10 @@ def main() -> int:
     )
     parser.add_argument("--steps", default=None,
                         help="仅执行指定步骤,逗号分隔 (如 crawler,extractor)")
+    parser.add_argument(
+        "--resume", action="store_true",
+        help="断点续跑(仅 --once):跳过连续成功步骤,从上次失败/未执行步骤继续",
+    )
     parser.add_argument("--log-level", default="INFO")
     args = parser.parse_args()
 
diff --git a/tests/test_incremental.py b/tests/test_incremental.py
new file mode 100644
index 0000000..38833cd
--- /dev/null
+++ b/tests/test_incremental.py
@@ -0,0 +1,268 @@
+"""增量处理与 pipeline 断点续跑测试。
+
+覆盖:
+    - M2/M4/M5 脚本的「产物存在即跳过」过滤逻辑
+    - scheduler.pipeline 断点状态记录与 --resume 续跑逻辑
+"""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from types import SimpleNamespace
+
+import pytest
+
+# --------------------------------------------------------------------------- #
+# M4 / M5: 产物存在即跳过
+# --------------------------------------------------------------------------- #
+
+def test_llm_filter_existing_skips_done(tmp_path: Path) -> None:
+    """M4:输出目录已有 {url_hash}.json 的输入被过滤,不重复调用 LLM API。"""
+    from scripts.run_event_extraction import _filter_existing
+
+    out_dir = tmp_path / "out"
+    out_dir.mkdir()
+    # 已处理
+    (out_dir / "aaa.json").write_text("{}", encoding="utf-8")
+    (out_dir / "ccc.json").write_text("{}", encoding="utf-8")
+    files = [
+        tmp_path / "in" / "aaa.json",   # 已处理 → 跳过
+        tmp_path / "in" / "bbb.json",   # 未处理 → 待处理
+        tmp_path / "in" / "ccc.json",   # 已处理 → 跳过
+    ]
+    pending, skipped = _filter_existing(files, out_dir)
+    assert skipped == 2
+    assert [p.stem for p in pending] == ["bbb"]
+
+
+def test_llm_filter_existing_force_keeps_all(tmp_path: Path) -> None:
+    """M4:--force 时不做过滤(全量重抽由调用方控制)。"""
+    from scripts.run_event_extraction import _filter_existing
+
+    out_dir = tmp_path / "out"
+    out_dir.mkdir()
+    (out_dir / "aaa.json").write_text("{}", encoding="utf-8")
+    files = [tmp_path / "in" / "aaa.json"]
+    # _filter_existing 本身不含 force 逻辑,验证在 force 下不会被调用:
+    # 直接验证「已存在也被返回」需由上层跳过调用,这里仅确认过滤函数行为。
+    pending, skipped = _filter_existing(files, out_dir)
+    assert skipped == 1
+    assert pending == []
+
+
+def test_embedding_filter_existing_skips_done(tmp_path: Path) -> None:
+    """M5:输出目录已有 {url_hash}.json 的输入被过滤,不重复调用 embed API。"""
+    from scripts.run_embedding import _filter_existing
+
+    out_dir = tmp_path / "emb"
+    out_dir.mkdir()
+    (out_dir / "h1.json").write_text("{}", encoding="utf-8")
+    files = [
+        (tmp_path / "in" / "h1.json", "event"),   # 已处理 → 跳过
+        (tmp_path / "in" / "h2.json", "event"),   # 未处理 → 待处理
+    ]
+    pending, skipped = _filter_existing(files, out_dir)
+    assert skipped == 1
+    assert [p.stem for p, _ in pending] == ["h2"]
+
+
+# --------------------------------------------------------------------------- #
+# M2: 已提取文章跳过
+# --------------------------------------------------------------------------- #
+
+def test_extractor_process_source_day_skips_existing(tmp_path: Path) -> None:
+    """M2:输出目录已有产物的记录被跳过提取,且 index 回补完整。"""
+    from scripts.run_extractor import _process_source_day
+
+    raw_dir = tmp_path / "raw" / "cls" / "20260616"
+    raw_dir.mkdir(parents=True)
+    # 两条 raw 记录(url_hash 与产物文件名一致)
+    rec1 = {"source_id": "cls", "url": "https://a/1", "url_hash": "aaa1111111111111",
+            "stage": "article", "success": True, "html_file": "aaa1111111111111.html"}
+    rec2 = {"source_id": "cls", "url": "https://b/2", "url_hash": "bbb2222222222222",
+            "stage": "article", "success": True, "html_file": "bbb2222222222222.html"}
+    with (raw_dir / "index.jsonl").open("a", encoding="utf-8") as f:
+        f.write(json.dumps(rec1, ensure_ascii=False) + "\n")
+        f.write(json.dumps(rec2, ensure_ascii=False) + "\n")
+
+    out_dir = tmp_path / "proc" / "cls" / "20260616"
+    out_dir.mkdir(parents=True)
+    # 预置一条已有产物(视为已提取)
+    article = {
+        "source_id": "cls", "url": "https://a/1", "url_hash": "aaa1111111111111",
+        "title": "已有", "content": "内容", "word_count": 2,
+    }
+    (out_dir / "aaa1111111111111.json").write_text(
+        json.dumps(article, ensure_ascii=False), encoding="utf-8"
+    )
+
+    # 另一条无 html 文件 → 提取失败(但不影响跳过逻辑断言)
+    succ, total, skipped = _process_source_day(
+        "cls", "20260616", tmp_path / "raw", tmp_path / "proc"
+    )
+    assert total == 2
+    assert skipped == 1  # 已有产物被跳过
+    assert succ == 0     # 另一条因 html 缺失提取失败
+    # index 回补了被跳过条目的行
+    idx = (out_dir / "index.jsonl").read_text(encoding="utf-8").strip()
+    assert "aaa1111111111111" in idx
+
+
+def test_extractor_process_source_day_force_rebuilds(tmp_path: Path) -> None:
+    """M2:--force 时不做跳过,并重建 index。"""
+    from scripts.run_extractor import _process_source_day
+
+    raw_dir = tmp_path / "raw" / "cls" / "20260616"
+    raw_dir.mkdir(parents=True)
+    rec = {"source_id": "cls", "url": "https://a/1", "url_hash": "aaa1111111111111",
+           "stage": "article", "success": True, "html_file": "aaa1111111111111.html"}
+    with (raw_dir / "index.jsonl").open("a", encoding="utf-8") as f:
+        f.write(json.dumps(rec, ensure_ascii=False) + "\n")
+
+    out_dir = tmp_path / "proc" / "cls" / "20260616"
+    out_dir.mkdir(parents=True)
+    (out_dir / "aaa1111111111111.json").write_text("{}", encoding="utf-8")
+    (out_dir / "index.jsonl").write_text("旧内容", encoding="utf-8")
+
+    succ, total, skipped = _process_source_day(
+        "cls", "20260616", tmp_path / "raw", tmp_path / "proc", force=True
+    )
+    assert skipped == 0
+    # force 模式重建 index(旧内容被清掉;此处无 html 提取失败,index 为空或不存在)
+    idx = out_dir / "index.jsonl"
+    assert not idx.exists() or idx.read_text(encoding="utf-8") == ""
+
+
+# --------------------------------------------------------------------------- #
+# pipeline 断点状态与 --resume
+# --------------------------------------------------------------------------- #
+
+@pytest.fixture
+def fake_subprocess(monkeypatch: pytest.MonkeyPatch):
+    """mock subprocess.run,按步骤名返回 returncode,并记录调用顺序。"""
+    from scheduler import pipeline
+
+    calls: list[str] = []
+
+    def _step_name(cmd: list[str]) -> str:
+        """从命令中提取脚本名,如 scripts.run_extractor → run_extractor。"""
+        return next(c.split(".")[-1] for c in cmd if "scripts.run_" in c)
+
+    def _fake_run(cmd, timeout=None):  # noqa: ARG001
+        calls.append(_step_name(cmd))
+        return SimpleNamespace(returncode=0)
+
+    monkeypatch.setattr(pipeline.subprocess, "run", _fake_run)
+    return calls
+
+
+def _run_with_steps(monkeypatch: pytest.MonkeyPatch, failures: set[str]):
+    """构造 run_step:指定步骤(如 'extractor')返回失败。"""
+    from scheduler import pipeline
+
+    def _fake_run(cmd, timeout=None):  # noqa: ARG001
+        name = next(c.split(".")[-1] for c in cmd if "scripts.run_" in c)
+        name = name.replace("run_", "")  # run_extractor → extractor
+        return SimpleNamespace(returncode=1 if name in failures else 0)
+
+    monkeypatch.setattr(pipeline.subprocess, "run", _fake_run)
+
+
+def test_pipeline_records_state(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
+    """全量运行后状态文件按日期记录每个步骤的 ok/failed。"""
+    from scheduler import pipeline
+
+    _run_with_steps(monkeypatch, failures={"extractor"})
+    state_path = tmp_path / "state.json"
+    steps = ["extractor", "dedup", "llm"]
+    pipeline.run_pipeline("20260616", steps=steps, state_path=state_path)
+
+    state = pipeline._load_pipeline_state(state_path)
+    day = state["20260616"]
+    assert day["extractor"]["status"] == "failed"
+    assert day["dedup"]["status"] == "ok"
+    assert day["llm"]["status"] == "ok"
+    # dedup 返回 1 被特判为成功,故用 extractor 制造失败
+    assert day["extractor"]["exit_code"] == 1
+
+
+def test_pipeline_resume_skips_success_prefix(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    """resume 跳过连续成功步骤,从失败步骤继续。"""
+    from scheduler import pipeline
+
+    state_path = tmp_path / "state.json"
+    # 预置状态:extractor 失败,dedup/llm 成功(模拟上次运行)
+    state = {"20260616": {
+        "extractor": {"status": "failed", "exit_code": 1},
+        "dedup": {"status": "ok", "exit_code": 0},
+        "llm": {"status": "ok", "exit_code": 0},
+    }}
+    pipeline._save_pipeline_state(state, state_path)
+
+    calls: list[str] = []
+
+    def _fake_run(cmd, timeout=None):  # noqa: ARG001
+        name = next(c.split(".")[-1] for c in cmd if "scripts.run_" in c)
+        calls.append(name)
+        return SimpleNamespace(returncode=0)
+
+    monkeypatch.setattr(pipeline.subprocess, "run", _fake_run)
+    steps = ["extractor", "dedup", "llm"]
+    result = pipeline.run_pipeline(
+        "20260616", steps=steps, resume=True, state_path=state_path
+    )
+    # 从 extractor 开始重跑全部(extractor 之后的 dedup/llm 需重跑以覆盖降级数据)
+    assert calls == ["run_extractor", "run_dedup", "run_event_extraction"]
+    assert all(s.success for s in result.steps)
+
+
+def test_pipeline_resume_all_done_noop(tmp_path: Path) -> None:
+    """resume 且所有步骤均已成功时,不执行任何步骤。"""
+    from scheduler import pipeline
+
+    state_path = tmp_path / "state.json"
+    state = {"20260616": {
+        "extractor": {"status": "ok", "exit_code": 0},
+        "dedup": {"status": "ok", "exit_code": 0},
+        "llm": {"status": "ok", "exit_code": 0},
+    }}
+    pipeline._save_pipeline_state(state, state_path)
+
+    steps = ["extractor", "dedup", "llm"]
+    result = pipeline.run_pipeline(
+        "20260616", steps=steps, resume=True, state_path=state_path
+    )
+    assert result.steps == []
+    assert result.all_success  # 空步骤视为成功
+
+
+def test_pipeline_resume_missing_step_starts_from_first_missing(
+    tmp_path: Path,
+) -> None:
+    """resume:部分步骤无历史记录时,从首个缺失步骤开始。"""
+    from scheduler import pipeline
+
+    state_path = tmp_path / "state.json"
+    state = {"20260616": {
+        "extractor": {"status": "ok", "exit_code": 0},
+    }}
+    pipeline._save_pipeline_state(state, state_path)
+
+    idx = pipeline._resume_start_index(
+        ["extractor", "dedup", "llm"], "20260616",
+        pipeline._load_pipeline_state(state_path),
+    )
+    assert idx == 1  # dedup 缺失 → 从它开始
+
+
+def test_once_rejects_resume_with_steps(monkeypatch: pytest.MonkeyPatch) -> None:
+    """--resume 与 --steps 同时使用时报错。"""
+    import scripts.run_scheduler as rs
+
+    args = SimpleNamespace(steps="crawler,extractor", resume=True,
+                           date="20260616")
+    rc = rs._once(args)
+    assert rc == 2