fix(rectification): scan chart boundaries in the user's ayanamsa (BUG-1307, BUG-1309)

frontend/src/lib/rectification-agentic/opening-boundary.ts

@@ -2,6 +2,7 @@
  * Opening scan for the nearest chart change. Failures keep the original
  * two-sentence opening. Question order stays on its own switch.
  */
+import { resolveAyanamsa } from "../ayanamsa.ts";
 import { requestCandidateIntervals, type DatedCandidateRange } from "./core/candidate-window.ts";
 import {
   CHART_LAYERS,
@@ -25,18 +26,22 @@ export function openingFactsFromBoundaryPayload(
   if (typeof distance !== "number" || !Number.isInteger(distance) || distance < 0 || distance > 720) {
     return { kind: "unavailable" };
   }
-  const layers = Array.isArray(row.layers)
-    ? row.layers.flatMap((item) => {
-      const layer = item && typeof item === "object" ? (item as { layer?: unknown }).layer : null;
-      return typeof layer === "string" && LAYERS.has(layer) ? [layer] : [];
-    })
-    : [];
+  const rawLayers = Array.isArray(row.layers) ? row.layers : [];
+  const layers = rawLayers.flatMap((item) => {
+    const layer = item && typeof item === "object" ? (item as { layer?: unknown }).layer : null;
+    return typeof layer === "string" && LAYERS.has(layer) ? [layer] : [];
+  });
+  const d1Changed = rawLayers.some((item) => {
+    const layer = item && typeof item === "object" ? (item as { layer?: unknown }).layer : null;
+    return layer === "d1";
+  });
   const topics = topicsForLayers(layers);
   const at = (payload as { at?: unknown }).at;
   return {
     kind: "near",
     distanceMinutes: distance,
     topics,
+    d1Changed,
     ...(typeof at === "string" ? { at: at.slice(0, 5) } : {}),
     askFirst: askFirst && topics.length > 0 && distance <= NEAREST_BOUNDARY_PROBE_THRESHOLD_MINUTES,
   };
@@ -83,6 +88,7 @@ export async function fetchOpeningBoundary(input: {
         target_charts: ["D1"],
         boundary_charts: BOUNDARY_CHARTS,
         recorded_time: recorded,
+        ayanamsa: resolveAyanamsa(input.snapshot),
       }),
     });
     if (!response.ok) return { kind: "unavailable" };

frontend/src/lib/rectification-agentic/user-copy.ts

@@ -78,12 +78,15 @@ export function withFirstDatedCollectInvite(stem: string): string {
  * right below it, so the body does not list them again.
  *
  * BUG-1307: when the server already measured a chart change, one extra sentence
- * sits between those two. The 3-sentence cap is unchanged.
+ * sits between those two. The 3-sentence cap is unchanged. A natal-ascendant
+ * change is named in that same sentence, before the other life topics.
  */
 export type OpeningBoundaryFacts = Readonly<{
   kind: "period_only" | "unavailable" | "stable" | "near";
   distanceMinutes?: number | null;
   topics?: readonly string[];
+  /** Natal ascendant (layer d1) changed. Not a spoken life topic. */
+  d1Changed?: boolean;
   /** Only when the question-order switch is on and this boundary is inside it. */
   askFirst?: boolean;
 }>;
@@ -100,9 +103,10 @@ export function openingBoundarySentence(facts: OpeningBoundaryFacts | null | und
     if ((OPENING_BOUNDARY_TOPICS as readonly string[]).includes(topic) && !topics.includes(topic)) topics.push(topic);
   }
   const place = distance < 1 ? "不到 1 分钟" : `差 ${distance} 分钟`;
+  const natal = facts.d1Changed ? "，这里连本命上升都换" : "";
   const sides = topics.length ? `，两边不一样的是${topics.join("、")}` : "";
   const tail = facts.askFirst && topics.length ? "，接下来先问这几件。" : "。";
-  return `你填的时间离最近会换的地方${place}${sides}${tail}`;
+  return `你填的时间离最近会换的地方${place}${natal}${sides}${tail}`;
 }
 
 export function openingSpokenBody(

frontend/src/lib/rectification-agentic/v9/segment-scan.ts

@@ -1,3 +1,4 @@
+import { resolveAyanamsa } from "../../ayanamsa.ts";
 import { requestCandidateIntervals, type DatedCandidateRange } from "../core/candidate-window.ts";
 import type { SegmentMinute, TargetChart } from "../core/segment-summary.ts";
 import { parseSegmentMinutes } from "./segment-contract.ts";
@@ -15,7 +16,8 @@ export async function scanCaseSegments(input: {
       method: "POST", headers: { "Content-Type": "application/json" }, signal: AbortSignal.timeout(60000),
       body: JSON.stringify({ start_at: interval.start_at, end_at: interval.end_at,
         latitude: input.snapshot.latitude, longitude: input.snapshot.longitude,
-        timezone_offset: input.snapshot.timezone_offset, target_charts: input.targets }),
+        timezone_offset: input.snapshot.timezone_offset, target_charts: input.targets,
+        ayanamsa: resolveAyanamsa(input.snapshot) }),
     });
     if (!response.ok) throw new Error("segment_scan_unavailable");
     const data = await response.json();
@@ -23,7 +25,7 @@ export async function scanCaseSegments(input: {
     const start = Date.parse(`${interval.start_at}:00Z`);
     const expectedWidth = (Date.parse(`${interval.end_at}:00Z`) - start) / 60000 + 1;
     if (!minutes || data.start_at !== interval.start_at || data.end_at !== interval.end_at
-      || data.ayanamsa !== "raman" || data.node_mode !== "mean" || data.step_minutes !== 1
+      || data.ayanamsa !== resolveAyanamsa(input.snapshot) || data.node_mode !== "mean" || data.step_minutes !== 1
       || data.window_minutes !== expectedWidth || minutes.length !== expectedWidth
       || minutes.some((minute, index) => minute.offset !== index
         || `${minute.date}T${minute.time}` !== new Date(start + index * 60000).toISOString().slice(0, 16)