feat: add guided Jyotish topic evidence cards

frontend/src/app/page.tsx

@@ -41,6 +41,7 @@ import {
   isGuidedBirthTimePreview,
   previewRectificationJourney,
 } from "@/lib/birth-time-guided-preview";
+import { defaultGuidedJyotishTopics } from "@/lib/guided-jyotish-topics";
 import { keepFocusWithin } from "@/lib/focus-trap";
 import { chatMessageViews, type ChatMessage } from "@/lib/chat-message-view";
 import {
@@ -155,11 +156,7 @@ type PendingConsultation = {
 const undoWindowMs = 2_500;
 const china = chinaLocations.country;
 
-const themes: Array<{ id: Exclude<Theme, "general">; label: string; prompt: string }> = [
-  { id: "career", label: "事业", prompt: "未来一年，事业和收入该关注什么？" },
-  { id: "marriage", label: "关系", prompt: "我的关系模式是什么？" },
-  { id: "timing", label: "时运", prompt: "未来哪些阶段值得把握？" },
-];
+const themes = defaultGuidedJyotishTopics;
 
 const accountDialogTitles = {
   profile: "个人资料",
@@ -2482,7 +2479,7 @@ export default function Home() {
                     const theme = themes.find((candidate) => candidate.id === item.theme);
                     return (
                       <button key={`${item.theme}-${item.text}`} type="button" disabled={!hydrated || Boolean(pendingSessionId) || cancellationPending || !account || !modelCatalog} onClick={() => chooseSuggestedQuestion(item.text, item.theme)}>
-                        <span className="starter-content"><b>{theme?.label || "开始"}</b><span>{item.text}</span></span>
+                        <span className="starter-content"><b>{theme?.label || "开始"}</b><span>{item.text}</span>{theme && <small>{theme.evidencePreview.join(" / ")} · {theme.claimBoundary}</small>}</span>
                         <ArrowUpRight className="starter-arrow" aria-hidden="true" />
                       </button>
                     );

frontend/src/lib/guided-jyotish-topics.ts

@@ -0,0 +1,50 @@
+import type { ConsultationTheme } from "./consultation-workflow-request";
+
+export type GuidedJyotishTopic = {
+  id: ConsultationTheme;
+  label: string;
+  prompt: string;
+  strictWorkflowRoute: string;
+  evidencePreview: string[];
+  confidenceCap: "low" | "medium";
+  claimBoundary: string;
+};
+
+export const defaultGuidedJyotishTopics: GuidedJyotishTopic[] = [
+  {
+    id: "career",
+    label: "事业",
+    prompt: "未来一年，事业和收入该关注什么？",
+    strictWorkflowRoute: "career",
+    evidencePreview: ["D1", "D10", "A10", "Vimshottari", "Narayana", "Transit"],
+    confidenceCap: "medium",
+    claimBoundary: "输出职业结构与阶段判断；具体日/月只作为候选窗口。",
+  },
+  {
+    id: "marriage",
+    label: "关系",
+    prompt: "我的关系模式是什么？",
+    strictWorkflowRoute: "marriage",
+    evidencePreview: ["D1", "D9", "7宫", "DK", "UL", "Vimshottari", "Narayana"],
+    confidenceCap: "medium",
+    claimBoundary: "输出关系模式与宽窗口；不承诺某日必然发生事件。",
+  },
+  {
+    id: "wealth",
+    label: "财富",
+    prompt: "我的财富增长方式和风险点是什么？",
+    strictWorkflowRoute: "wealth",
+    evidencePreview: ["D1", "D2", "D11", "2/11宫", "财富 Yoga", "Ashtakavarga"],
+    confidenceCap: "medium",
+    claimBoundary: "输出财富结构和风险类型；不替代投资建议。",
+  },
+  {
+    id: "timing",
+    label: "时运",
+    prompt: "未来哪些阶段值得把握？",
+    strictWorkflowRoute: "timing",
+    evidencePreview: ["Dasha", "Narayana", "Transit", "Varga"],
+    confidenceCap: "low",
+    claimBoundary: "精确月/日仍是探索性候选，未通过独立 holdout 前不升级。",
+  },
+];

frontend/tests/starter-questions.test.ts

@@ -5,6 +5,7 @@ import test from "node:test";
 const pageSource = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
 const globalStyles = readFileSync(new URL("../src/app/globals.css", import.meta.url), "utf8");
 const appSidebarSource = readFileSync(new URL("../src/components/app-sidebar.tsx", import.meta.url), "utf8");
+const guidedTopicsSource = readFileSync(new URL("../src/lib/guided-jyotish-topics.ts", import.meta.url), "utf8");
 
 function sourceBetween(source: string, startMarker: string, endMarker: string) {
   const start = source.indexOf(startMarker);
@@ -28,6 +29,20 @@ test("keeps starter questions visible while the user edits a draft", () => {
   assert.doesNotMatch(starterVisibilityGuard, /\bdraft\b/);
 });
 
+test("default starter questions are guided Jyotish topics with evidence and claim boundaries", () => {
+  assert.match(pageSource, /defaultGuidedJyotishTopics/);
+  assert.match(pageSource, /theme\.evidencePreview\.join/);
+  assert.match(pageSource, /theme\.claimBoundary/);
+  assert.match(guidedTopicsSource, /strictWorkflowRoute/);
+  assert.match(guidedTopicsSource, /evidencePreview/);
+  assert.match(guidedTopicsSource, /confidenceCap/);
+  assert.match(guidedTopicsSource, /claimBoundary/);
+  assert.match(guidedTopicsSource, /D10/);
+  assert.match(guidedTopicsSource, /D9/);
+  assert.match(guidedTopicsSource, /Ashtakavarga/);
+  assert.match(guidedTopicsSource, /独立 holdout/);
+});
+
 test("keeps follow-up suggestions visible while the user edits a draft", () => {
   // Given: the follow-up suggestion block and its render guard.
   const suggestionGuard = sourceBetween(