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

tests/test_runtime_guard.py

@@ -0,0 +1,74 @@
+"""运行环境守卫（scripts/_runtime_guard.py）：版本判定文案、import 时拦截、入口脚本接线。
+
+import 时拦截用子进程模拟：伪造 sys.version_info = (3, 9, 6) 后再 import，
+守卫应打印中文报错并以退出码 3 结束进程。
+"""
+import subprocess
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+SCRIPTS = ROOT / "scripts"
+sys.path.insert(0, str(SCRIPTS))
+import _runtime_guard as guard
+
+ENTRY_SCRIPTS = ("cast_chart.py", "chart_shot.py", "memory_lookup.py",
+                 "memory_save.py", "query_shensha.py", "self_update.py",
+                 "share_export.py", "share_push.py")
+
+
+def run_with_fake_py39(code: str) -> subprocess.CompletedProcess:
+    """在子进程中把 sys.version_info 伪造成 3.9.6 后执行 code。"""
+    prefix = "import sys, runpy; sys.version_info = (3, 9, 6); "
+    return subprocess.run([sys.executable, "-c", prefix + code],
+                          capture_output=True, text=True, timeout=60)
+
+
+class TestVersionError:
+    def test_current_interpreter_passes(self):
+        assert guard.version_error() is None
+
+    def test_py39_denied_with_chinese_message(self):
+        msg = guard.version_error((3, 9, 6))
+        assert msg is not None
+        assert "Python 3.10" in msg
+        assert "3.9.6" in msg
+        assert sys.executable in msg
+
+    def test_boundary_versions(self):
+        assert guard.version_error((3, 10, 0)) is None
+        assert guard.version_error((4, 0, 0)) is None
+        assert guard.version_error((3, 8, 10)) is not None
+        assert guard.version_error((2, 7, 18)) is not None
+
+
+class TestImportTimeGuard:
+    def test_import_denied_exits_3(self):
+        cp = run_with_fake_py39(
+            f"sys.path.insert(0, {str(SCRIPTS)!r}); import _runtime_guard")
+        assert cp.returncode == 3
+        assert "Python 3.10" in cp.stderr
+
+    def test_import_allowed_is_silent(self):
+        cp = subprocess.run(
+            [sys.executable, "-c",
+             f"import sys; sys.path.insert(0, {str(SCRIPTS)!r}); import _runtime_guard"],
+            capture_output=True, text=True, timeout=60)
+        assert cp.returncode == 0
+        assert cp.stderr == ""
+
+    def test_entry_script_intercepts_before_deep_error(self):
+        """chart_shot.py 在 3.9 下原本 def 期即 TypeError；接线后守卫先拦截，报错清晰。"""
+        cp = run_with_fake_py39(
+            f"sys.argv = ['chart_shot.py', 'x.html']; "
+            f"runpy.run_path({str(SCRIPTS / 'chart_shot.py')!r}, run_name='__main__')")
+        assert cp.returncode == 3
+        assert "Python 3.10" in cp.stderr
+        assert "TypeError" not in cp.stderr
+
+
+class TestEntryScriptsWired:
+    def test_every_entry_script_imports_guard(self):
+        for name in ENTRY_SCRIPTS:
+            src = (SCRIPTS / name).read_text(encoding="utf-8")
+            assert "import _runtime_guard" in src, f"{name} 未接入 _runtime_guard"