✨ feat(tsl_syntax): add concept map to lookup

新增 --map 模式，扫描 24 页「本篇职责」段实时生成 TSL 概念地图，
帮助从零写代码时把自然语言需求映射到该查的 TSL 概念（property、
unit、operator 重载等），随后仍用 --query 取精确语法。地图从
references 实时生成，零漂移；--check 增加护栏，职责段被清空即报错。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

skills/tsl-syntax-reference/scripts/lookup.py

@@ -29,6 +29,7 @@ ALLOWED_IDENTITIES = {
 }
 ROUTER_PHRASES = ("路由中心", "选择一个主专题", "候选页继续判断")
 EXCLUDED_REFERENCE_FILES = {"index.md"}
+DUTY_HEADING = "本篇职责"
 SUSPICIOUS_FENCE_RE = re.compile(r"^(?:\s+`{3}|`{4,})")
 WRITE_PRELUDE_ANCHORS = (
     ("02_core_model.md", "文件模型核心规则"),
@@ -351,6 +352,20 @@ def validate_references(
                     f"write 模式前置章节缺失：{page_name} 的「{heading}」",
                 )
             )
+    # 概念地图逐页从「本篇职责」段生成；有该段的页必须产出非空摘要，
+    # 否则某页职责段被清空/写坏时地图会静默缺页。
+    mapped_pages = {page_name for page_name, _, _ in build_concept_map(references_dir)}
+    for section in sections:
+        if section.heading_path != (DUTY_HEADING,):
+            continue
+        if section.page.name not in mapped_pages:
+            problems.append(
+                ValidationProblem(
+                    section.page,
+                    1,
+                    f"概念地图摘要为空：{section.page.name} 的「{DUTY_HEADING}」",
+                )
+            )
     return problems
 
 
@@ -583,6 +598,69 @@ def render_result(result: QueryResult) -> str:
     return "\n".join(lines).rstrip() + "\n"
 
 
+def _duty_summary(body: str) -> str:
+    lines = body.splitlines()
+    paragraph: list[str] = []
+    for line in lines[1:]:
+        stripped = line.strip()
+        if not stripped:
+            if paragraph:
+                break
+            continue
+        paragraph.append(stripped)
+    summary = " ".join(paragraph)
+    # 职责段以冒号引出列表时（如 09），首段本身空洞，把随后的
+    # 列表项折叠进摘要才能保留实际覆盖面。
+    if summary.endswith(("：", ":")):
+        items: list[str] = []
+        seen_paragraph = False
+        for line in lines[1:]:
+            stripped = line.strip()
+            if not stripped:
+                continue
+            if not seen_paragraph:
+                if stripped == summary or stripped in summary:
+                    seen_paragraph = True
+                continue
+            if stripped.startswith(("-", "*", "·")):
+                items.append(stripped.lstrip("-*· ").strip())
+            elif items:
+                break
+        if items:
+            summary = summary + "；".join(items) + "。"
+    return summary
+
+
+def build_concept_map(references_dir: Path = DEFAULT_REFERENCES_DIR) -> list[tuple[str, str, str]]:
+    entries: list[tuple[str, str, str]] = []
+    seen_pages: set[str] = set()
+    for section in load_sections(references_dir):
+        page_name = section.page.name
+        if page_name in seen_pages:
+            continue
+        if section.heading_path != (DUTY_HEADING,):
+            continue
+        summary = _duty_summary(section.body)
+        if not summary:
+            continue
+        seen_pages.add(page_name)
+        entries.append((page_name, section.page_title, summary))
+    entries.sort(key=lambda item: item[0])
+    return entries
+
+
+def render_concept_map(entries: list[tuple[str, str, str]]) -> str:
+    lines = [
+        "# TSL 概念地图",
+        "",
+        "把自然语言需求映射到该查哪个 TSL 概念，随后仍用 `--query` 取精确语法。",
+        "本清单不含语法细节，也不替代 lookup；用命中专题里的关键语法词组成查询。",
+    ]
+    for page_name, page_title, summary in entries:
+        lines.extend(["", f"## {page_title}", "", summary])
+    return "\n".join(lines).rstrip() + "\n"
+
+
 def _configure_utf8() -> None:
     for stream in (sys.stdout, sys.stderr):
         reconfigure = getattr(stream, "reconfigure", None)
@@ -595,6 +673,7 @@ def _parser() -> argparse.ArgumentParser:
     action = parser.add_mutually_exclusive_group(required=True)
     action.add_argument("--query")
     action.add_argument("--section")
+    action.add_argument("--map", dest="show_map", action="store_true")
     action.add_argument("--check", action="store_true")
     parser.add_argument("--mode", choices=("write", "diagnose", "explain"))
     parser.add_argument("--limit", type=int, default=5)
@@ -625,6 +704,9 @@ def main(argv: list[str] | None = None) -> int:
         parser.error("--mode is required with --query")
     if args.mode is not None and args.query is None:
         parser.error("--mode only applies to --query")
+    if args.show_map:
+        print(render_concept_map(build_concept_map(args.references_dir)), end="")
+        return 0
     if args.check:
         problems = validate_references(args.references_dir)
         for problem in problems: