feat(narayana-rath): follow book p.43 for dual lords and node years (BUG-1227~1229)

Round-7 option A is text-first, so Scorpio and Aquarius lords, the Ketu-only degree reversal, and node exaltation years now live in the Rath display layer. Scoring files stay unchanged.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/pl9_reader_english_terms.py

@@ -151,8 +151,8 @@ _PHRASES: dict[str, str] = {
     "旧算法（从上升起、一律顺行），待替换为 Sanjay Rath 版": "Legacy algorithm (starts from the Lagna, always zodiacal); to be replaced by Sanjay Rath's version",
     "- 算法：": "- Algorithm: ",
     # BUG-1218: narayana_legacy_label rath_report_lines_zh
-    "Sanjay Rath 版（并列参考，未进打分与时间轴结论）：": "Sanjay Rath version (shown alongside for reference; not used in scoring or timing conclusions): ",
-    "Sanjay Rath 版（并列参考，未进打分与时间轴结论）": "Sanjay Rath version (shown alongside for reference; not used in scoring or timing conclusions)",
+    "Sanjay Rath 版（并列参考，未进打分与时间轴结论；按原书 p.43 正文（第七轮裁定））：": "Sanjay Rath version (shown alongside for reference; not used in scoring or timing conclusions; book p.43 text, round-7 ruling): ",
+    "Sanjay Rath 版（并列参考，未进打分与时间轴结论；按原书 p.43 正文（第七轮裁定））": "Sanjay Rath version (shown alongside for reference; not used in scoring or timing conclusions; book p.43 text, round-7 ruling)",
     "，宫主 ": ", lord ",
     "起运宫未定，": "start sign undecided, ",
     "- 并列：": "- Alongside: ",
@@ -171,7 +171,8 @@ _PHRASES: dict[str, str] = {
     "宫主星座内度数": "lord's degree in sign",
     "宫主落奇偶相反星座": "lord in a sign of opposite parity",
     "大运年数": "dasha years",
-    "| Rath MD | 星座 | 宫主 | 起始年龄 | 结束年龄 | 年数 |": "| Rath MD | Sign | Lord | Start age | End age | Years |",
+    "| Rath MD | 星座 | 宫主 | 起始年龄 | 结束年龄 | 基本年数 | 修正 | 最终 |": "| Rath MD | Sign | Lord | Start age | End age | Base years | Adjustment | Final |",
+    "未决": "undecided",
     "| Rath AD | 星座 | 起始年龄 | 结束年龄 |": "| Rath AD | Sign | Start age | End age |",
     " 的子运：比较 ": " sub-periods: compare ",
     # BUG-1225: narayana_legacy_label._ad_direction_lines_zh (AD direction + book divergence)
@@ -286,6 +287,20 @@ REGEX_EN: list[tuple[re.Pattern[str], str]] = [
                 f"the strongest by Panchavargiya, {m.group(2)}, is the year lord")),
     (re.compile(r"五类候选都不照年盘上升，取全体 Panchavargiya 最强的([A-Za-z]+)"),
      r"None of the five candidates aspects the annual Lagna; the strongest of all by Panchavargiya, \1, is the year lord"),
+    # BUG-1227 Rath dual-lord basis on the reference report (round-7 option A).
+    (re.compile(r"- 双主星 ([A-Za-z]+)："), r"- Co-lords \1: "),
+    (re.compile(r"两主分落别的星座，按七级比较所落星座，第 (\d+) 级取 ([A-Za-z]+)"),
+     r"The two lords occupy different signs, compared on the seven strength levels; level \1 takes \2"),
+    (re.compile(r"两主都在本宫，年数 12；身份按同宫经度，只倒算计都，取 ([A-Za-z]+)"),
+     r"Both lords are in the sign, so the period is 12 years; identity is by same-sign degree, and only Ketu is reversed; takes \1"),
+    (re.compile(r"两主同在另一宫，年数数到该宫；身份按同宫经度，只倒算计都，取 ([A-Za-z]+)"),
+     r"Both lords share another sign, so the years are counted to it; identity is by same-sign degree, and only Ketu is reversed; takes \1"),
+    (re.compile(r"一主在天蝎或水瓶本宫，取在外面的那颗；火星在白羊、土星在摩羯不算本宫，取 ([A-Za-z]+)"),
+     r"One lord is in Scorpio or Aquarius itself, so the lord outside it is taken; Mars in Aries and Saturn in Capricorn do not count as that own sign; takes \1"),
+    (re.compile(r"两主所落星座七级全平，取年数较多的一颗，取 ([A-Za-z]+)"),
+     r"The occupied signs tie on all seven levels, so the lord giving more years is taken; takes \1"),
+    (re.compile(r"双主星判定遇到循环，返回未决"),
+     "Dual-lord resolution hit a cycle and stays undecided"),
     # BUG-1218 Rath Narayana report lines
     (re.compile(r"（第 (\d) 级：([^）]+)）"), r" (level \1: \2)"),
     (re.compile(r"（第 (\d) 级）"), r" (level \1)"),