fix(qizheng): pin vendor bytes to local a911c890 checkout

Re-copy LICENSE/README/package.json/cli.cjs from the local yinduzhanxing snapshot. Drop dist/index.cjs that was assembled from npm. Do not include 6c27aab6 or 8bba9cb5.

scripts/qizheng_chart_engine.py

@@ -20,7 +20,6 @@ from typing import Any
 
 REPO_ROOT = Path(__file__).resolve().parents[1]
 VENDORED_CLI = REPO_ROOT / "vendor" / "stem-branch" / "dist" / "cli.cjs"
-VENDORED_LIB = REPO_ROOT / "vendor" / "stem-branch" / "dist" / "index.cjs"
 DEFAULT_TIMEOUT_SECONDS = 20
 COORDINATE_SYSTEM = "qizheng_mansion_degrees_from_jiao"
 DEFAULT_KETU_MODE = "apogee"
@@ -48,17 +47,6 @@ BOUNDARY = (
     "庙旺判定未闭合（十一体×十二宫共 132 格仅 9 格有直接证据，"
     "runtime_promotable_count = 0），不得进入解读、报告或咨询结论。"
 )
-_NODE_EVAL = (
-    "const fs=require('fs');"
-    "const payload=JSON.parse(fs.readFileSync(0,'utf8'));"
-    "const lib=require(payload.library);"
-    "const chart=lib.getSevenGovernorsChart("
-    "new Date(payload.iso),"
-    "{lat:payload.lat,lon:payload.lon},"
-    "{ketuMode:payload.ketuMode,siderealMode:payload.siderealMode}"
-    ");"
-    "process.stdout.write(JSON.stringify({sevenGovernors:chart}));"
-)
 
 
 class QizhengChartError(ValueError):
@@ -196,33 +184,10 @@ def _run_cli(iso: str, lat: float, lon: float, timeout_seconds: int) -> dict[str
     ]
     if FORBIDDEN_CLI_FLAGS.intersection(command):
         raise QizhengChartError("forbidden engine subcommand blocked", error_code="ERR_QIZHENG_ENGINE")
-    return _run_node(command, timeout_seconds=timeout_seconds)
-
-
-def _run_library(iso: str, lat: float, lon: float, ketu_mode: str, sidereal_mode: dict[str, Any], timeout_seconds: int) -> dict[str, Any]:
-    if not VENDORED_LIB.is_file():
-        raise QizhengChartError("vendored 七政四余 library is unavailable", error_code="ERR_QIZHENG_CLI_MISSING")
-    payload = {
-        "library": os.fspath(VENDORED_LIB),
-        "iso": iso,
-        "lat": lat,
-        "lon": lon,
-        "ketuMode": ketu_mode,
-        "siderealMode": sidereal_mode,
-    }
-    return _run_node(
-        [_node_bin(), "-e", _NODE_EVAL],
-        timeout_seconds=timeout_seconds,
-        stdin=json.dumps(payload, ensure_ascii=False),
-    )
-
-
-def _run_node(command: list[str], *, timeout_seconds: int, stdin: str | None = None) -> dict[str, Any]:
     try:
         completed = subprocess.run(
             command,
             cwd=str(REPO_ROOT),
-            input=stdin,
             check=False,
             capture_output=True,
             text=True,
@@ -320,11 +285,7 @@ def calculate_qizheng_chart(body: dict[str, Any], *, timeout_seconds: int = DEFA
     iso = _iso_local(body)
     ketu_mode = _ketu_mode(body)
     sidereal_mode = _sidereal_mode(body)
-    uses_defaults = ketu_mode == DEFAULT_KETU_MODE and sidereal_mode == DEFAULT_SIDEREAL_MODE
-    if uses_defaults:
-        raw = _run_cli(iso, lat, lon, timeout_seconds)
-    else:
-        raw = _run_library(iso, lat, lon, ketu_mode, sidereal_mode, timeout_seconds)
+    raw = _run_cli(iso, lat, lon, timeout_seconds)
     return _normalize(raw, {**body, "lat": lat, "lon": lon}, ketu_mode=ketu_mode, sidereal_mode=sidereal_mode, iso=iso)