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>

frontend/src/lib/consultation-evidence-card.ts

@@ -592,7 +592,7 @@ function baseNatal(natal: Record<string, unknown>, gaps: string[]) {
  * report. Product 2026-10-03: card budget 12,500, with the method checklist
  * 18,500 (was 12,000 / 18,000, BUG-1160/1161).
  */
-const RATH_MD_CARD_KEYS = ["sign", "start_age", "end_age"] as const;
+const RATH_MD_CARD_KEYS = ["sign", "start_age", "end_age", "dual_lord_basis", "dual_lord_basis_en"] as const;
 
 function baseTiming(timing: Record<string, unknown>, gaps: string[]) {
   const sub = record(timing.dasha_sub_periods);

frontend/src/mastra/consultation-workflow.ts

@@ -350,7 +350,8 @@ const timingKeys = new Set([
   "algorithmlabel",
   // BUG-1218: the Sanjay Rath Narayana beside it (display only): label, start
   // sign, deciding level and the running MD.
-  "rath", "seedsign", "strengthleveldecided",
+  // BUG-1227: Scorpio / Aquarius MDs also carry the one dual-lord sentence.
+  "rath", "seedsign", "strengthleveldecided", "duallordbasis", "duallordbasisen",
 ]);
 
 const validationKeys = new Set([