fix(chart): 上升的状态格改成「/」

上升不是行星，本命、月亮盘和分盘的状态格不再写「不适用」。悬停或点一下说明原因。报告同一格写「/」，并在表下加中英文说明。

Co-Authored-By: Grok (agent loop)
Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/pl9_reader_export.py

@@ -1049,10 +1049,9 @@ def render_pl9_parity_markdown(packet: dict) -> str:
         if ascendant:
             info = _ascendant_report_fields(ascendant)
             asc_label = 'Ascendant' if _lang == 'en' else '上升'
-            dignity = 'not applicable' if _lang == 'en' else '不适用'
             lines.append(
                 f"| {_cell(asc_label)} | {_cell(_token(info['sign_lord']))} | {_cell(_token(info['nakshatra_lord']))} | "
-                f"- | - | {_cell(dignity)} | - |"
+                f"- | - | {_cell('/')} | - |"
             )
         for planet in ('Sun', 'Moon', 'Mars', 'Mercury', 'Jupiter', 'Venus', 'Saturn', 'Rahu', 'Ketu'):
             row = _dict(planets.get(planet))
@@ -1065,6 +1064,17 @@ def render_pl9_parity_markdown(packet: dict) -> str:
             )
         lines.extend([
             '',
+            *(
+                [
+                    (
+                        'The ascendant is the starting point of the chart, not a planet, so it has no dignity.'
+                        if _lang == 'en'
+                        else '上升点是命盘的起点，不是行星，不判断入旺或落陷'
+                    ),
+                    '',
+                ]
+                if ascendant else []
+            ),
             (
                 'Sign lord, star lord, sub lord and sub-sub lord name the ruler of the planet sign, nakshatra and KP subdivision. Strength ratio compares Shadbala with the required strength. A ratio of 1 or more meets it.'
                 if _lang == 'en'