v3.6.0 同步发版

- 交互契约改对话式询问（禁点选工具、一次1~2问、先铺垫再问），规则库 3.6
- 盘面图默认生成+chart_shot 截图；品牌区、大运/流年小卡信息补全、交流群二维码卡
- day_boundary 子正换日；memory_save --update-chart 换盘留痕；share_export 事件简介+城市级地域
- share_push 失败诊断+代理引导；_runtime_guard；修 STAR_ORDER 三奇贵人 KeyError
- README 规则计数 541→542；manifest 重建（1275 文件）；测试 142 项全绿

scripts/chart_shot.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+"""HTML 盘面 → PNG 截图。
+
+用法：
+    python chart_shot.py <html路径> [-o 输出png路径]
+
+截图分级回退：环境装有 playwright 则优先（file:// 全页截图，2 倍分辨率）；
+否则用 macOS Chrome 无头截图（固定窗口，高度按 HTML 内容估算避免截断）。
+两者都不可用：退出码 2，stderr 提示直接打开 HTML。截图失败不影响排盘主流程。
+"""
+import argparse
+import subprocess
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+
+import _runtime_guard  # noqa: F401  import 即检查：Python < 3.10 时中文报错退出（码 3）
+
+CHROME = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+
+
+def _shot_playwright(html: Path, out: Path) -> bool:
+    try:
+        from playwright.sync_api import sync_playwright
+    except ImportError:
+        return False
+    try:
+        with sync_playwright() as p:
+            browser = p.chromium.launch()
+            page = browser.new_page(device_scale_factor=2)
+            page.goto(html.resolve().as_uri())
+            page.screenshot(path=str(out), full_page=True)
+            browser.close()
+    except Exception:
+        return False
+    return out.is_file() and out.stat().st_size > 0
+
+
+def _content_height(html: Path) -> int:
+    """按 HTML 结构估算整页高度（px）：头卡/主表/页脚取固定高，条带按格数折行。"""
+    text = html.read_text(encoding="utf-8", errors="ignore")
+    height = (900 + 40 * text.count('class="warn"')
+              + 150 * text.count('class="qrcard"'))
+    for strip in text.split('class="strip"')[1:]:
+        cells = strip.count('class="cell"')
+        height += 36 + 132 * -(-cells // 9)
+    return max(1300, min(height + 120, 4200))
+
+
+def _shot_chrome(html: Path, out: Path) -> bool:
+    if not Path(CHROME).is_file():
+        return False
+    try:
+        r = subprocess.run(
+            [CHROME, "--headless=new", f"--screenshot={out.resolve()}",
+             f"--window-size=1100,{_content_height(html)}",
+             "--force-device-scale-factor=2", "--hide-scrollbars",
+             html.resolve().as_uri()],
+            capture_output=True, timeout=60)
+    except Exception:
+        return False
+    return r.returncode == 0 and out.is_file() and out.stat().st_size > 0
+
+
+def shoot(html: Path, out: Path | None = None) -> Path | None:
+    """对 HTML 盘面截图，成功返回 PNG 绝对路径，无可用工具或失败返回 None。"""
+    out = out or html.with_suffix(".png")
+    if _shot_playwright(html, out) or _shot_chrome(html, out):
+        return out.resolve()
+    return None
+
+
+def main() -> int:
+    ap = argparse.ArgumentParser(
+        prog="chart_shot.py",
+        description="HTML 盘面 → PNG 截图（playwright 优先，Chrome 无头兜底）")
+    ap.add_argument("html", help="HTML 盘面文件路径")
+    ap.add_argument("-o", "--out", default=None,
+                    help="输出 PNG 路径（默认与 HTML 同目录同名 .png）")
+    a = ap.parse_args()
+    html = Path(a.html)
+    if not html.is_file():
+        print(f"ERROR: 找不到 HTML 文件 {html}", file=sys.stderr)
+        return 2
+    png = shoot(html, Path(a.out) if a.out else None)
+    if png:
+        print(png)
+        return 0
+    print("无可用截图工具（未检测到 playwright 或 Chrome），"
+          "请直接打开 HTML 文件查看盘面。", file=sys.stderr)
+    return 2
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())