chore: add project scripts, handover docs, and format guide

- guanghan_windows.py: Windows launcher script
- inject_lightbox: lightbox injection utilities
- handover docs: future missions proposal, vehicle creation guide, format guide

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

scripts/guanghan_windows.py

@@ -0,0 +1,100 @@
+#!/usr/bin/env python
+"""广寒计划发射窗口计算
+
+广寒基地往返标准 LLO，每月有 2 个标准窗口。
+地月转移耗时 5 天。给定任意时间，计算最近的地球出发发射窗口
+及对应的月球着陆窗口。
+"""
+
+import math
+import sys
+from datetime import datetime, timedelta, timezone
+
+MOON_PERIOD = timedelta(days=27.32166)           # 月球自转周期
+TRANSIT_DAYS = timedelta(days=5)                  # 地月转移耗时
+
+# 参考着陆窗口（UTC）—— 发射窗口 = 着陆窗口 − 5 天地月转移
+# 基于 2024 年 10 月精确窗口校准
+REF_LANDING_A = datetime(2024, 10, 21, 4, 55, tzinfo=timezone.utc)
+REF_LANDING_B = datetime(2024, 10, 29, 3, 15, tzinfo=timezone.utc)
+REF_LAUNCH_A = REF_LANDING_A - TRANSIT_DAYS
+REF_LAUNCH_B = REF_LANDING_B - TRANSIT_DAYS
+
+
+def parse_dt(s: str) -> datetime:
+    """解析用户输入的日期时间字符串，自动补全缺失部分。"""
+    s = s.strip()
+    formats = [
+        "%Y-%m-%d %H:%M",
+        "%Y-%m-%d %H",
+        "%Y-%m-%d",
+        "%Y/%m/%d %H:%M",
+        "%Y/%m/%d %H",
+        "%Y/%m/%d",
+    ]
+    for fmt in formats:
+        try:
+            return datetime.strptime(s, fmt).replace(tzinfo=timezone.utc)
+        except ValueError:
+            continue
+    raise ValueError(f"无法解析日期: {s}（支持格式: YYYY-MM-DD HH:MM 或 YYYY/MM/DD）")
+
+
+def next_occurrences(ref: datetime, period: timedelta, after: datetime, count: int = 3):
+    """计算从 after 之后最近的 count 个窗口（以 ref 为相位零点）。"""
+    n = math.floor((after - ref) / period)  # 已完成周期数（floor确保负数时正确）
+    results = []
+    for i in range(1, count + 1):
+        results.append(ref + (n + i) * period)
+    return results
+
+
+def guanghan_windows(target: datetime, count: int = 4):
+    """返回最近 count 个广寒发射/着陆窗口。
+
+    以着陆窗口为相位零点，发射窗口 = 着陆窗口 − 5 天地月转移。
+    """
+    landing_a = next_occurrences(REF_LANDING_A, MOON_PERIOD, target, count)
+    landing_b = next_occurrences(REF_LANDING_B, MOON_PERIOD, target, count)
+
+    # 合并着陆窗口，去重排序
+    all_landings = sorted(set(landing_a + landing_b))
+
+    lines = []
+    lines.append(f"查询时间: {target.strftime('%Y-%m-%d %H:%M UTC')}")
+    lines.append(f"参考着陆窗 A: {REF_LANDING_A.strftime('%Y-%m-%d %H:%M UTC')}")
+    lines.append(f"参考着陆窗 B: {REF_LANDING_B.strftime('%Y-%m-%d %H:%M UTC')}")
+    lines.append(f"月球周期: {MOON_PERIOD.days}.{MOON_PERIOD.seconds/3600:.2f} 天")
+    lines.append(f"地月转移: 5 天")
+    lines.append("")
+
+    header = f"{'#':<4} {'发射 (UTC)':<22} {'着陆 (UTC)':<22} {'距现在':>10}"
+    lines.append(header)
+    lines.append("-" * len(header))
+
+    for i, landing in enumerate(all_landings[:count], 1):
+        launch = landing - TRANSIT_DAYS
+        delta = launch - target
+        if delta.days >= 0:
+            delta_str = f"{delta.days}d {delta.seconds // 3600}h"
+        else:
+            delta_str = f"已过"
+
+        lines.append(f"{i:<4} {launch.strftime('%Y-%m-%d %H:%M'):<22} {landing.strftime('%Y-%m-%d %H:%M'):<22} {delta_str:>10}")
+
+    return "\n".join(lines)
+
+
+def main():
+    if len(sys.argv) < 2:
+        print("用法: python guanghan_windows.py <日期时间>")
+        print("示例: python guanghan_windows.py '2024-07-20'")
+        print("      python guanghan_windows.py '2024-08-15 12:00'")
+        sys.exit(1)
+
+    target = parse_dt(sys.argv[1])
+    print(guanghan_windows(target))
+
+
+if __name__ == "__main__":
+    main()