fix(settings): the ayanamsa hint says new rectifications follow the setting (BUG-1310)

Also records the 10-12 rectification batch as merged in the bug history,
changelog and task index.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HwMNZEzdzmrbPhuRNmZe3C

frontend/src/lib/ayanamsa.ts

@@ -47,7 +47,7 @@ export const AYANAMSA_OPTIONS = [
 }>;
 
 export const AYANAMSA_SWITCH_HINT =
-  "之后的咨询、报告、星盘库和每日星语会按新岁差算。生时校正目前仍固定按 Raman，之后的版本才会跟着这项设置走。";
+  "之后的咨询、报告、星盘库、每日星语和新开的生时校正会按新岁差算；已经开始的那次校正仍按开始时的岁差。";
 
 export function isAyanamsaName(value: unknown): value is AyanamsaName {
   return typeof value === "string" && (AYANAMSA_VALUES as readonly string[]).includes(value);