refactor(chat): extract profile onboarding and rectification surface hooks

Close the home-page split by moving account/onboarding and rectification glue out of page.tsx without relocating React state, keeping the route static and hook order intact.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/tests/birth-time-assessment-loading.test.ts

@@ -2,10 +2,12 @@ import assert from "node:assert/strict";
 import { readFileSync } from "node:fs";
 import test from "node:test";
 
+import { homeSurface } from "./home-surface.ts";
+
 test("onboarding keeps the current card visible while birth-time assessment is pending", () => {
   // Given: saving the selected time can span profile persistence and assessment requests.
   const source = [
-    readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8"),
+    homeSurface,
     readFileSync(new URL("../src/components/birth-time-assessment-overlay.tsx", import.meta.url), "utf8"),
   ].join("\n");
 

frontend/tests/birth-time-guided-review-fixes.test.ts

@@ -11,6 +11,7 @@ import { guidedTerminalPath } from "../src/lib/birth-time-guided-terminal.ts";
 import { parseJourneyResponse } from "../src/lib/birth-time-journey-client.ts";
 import { dynamicBirthTimePreview } from "../src/lib/birth-time-dynamic-preview.ts";
 import { guidedBirthTimePreview } from "../src/lib/birth-time-guided-preview.ts";
+import { homeSurface } from "./home-surface.ts";
 
 test("draft revision publishes its new version before confirmation can fail", async () => {
   const original = guidedBirthTimePreview("birth-time-rectification-draft");
@@ -147,7 +148,7 @@ test("unconfirmed terminal candidates preserve the range without offering direct
 
 test("terminal CJK copy stays intact while homepage candidates remain unconfirmed in v3", () => {
   const candidateResultSource = readFileSync(new URL("../src/components/birth-time-candidate-result.tsx", import.meta.url), "utf8");
-  const pageSource = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
+  const pageSource = homeSurface;
 
   assert.match(candidateResultSource, /候选范围已保留，但当前证据不足以将具体分钟写入当前排盘时间。补充经历后可重新评估。/);
   assert.match(pageSource, /`出生资料已保存。\$\{birthTimeConsultationOptionsCopy\(savedProfile\)\}`/);

frontend/tests/chat-navigation-a11y-contract.test.ts

@@ -69,7 +69,7 @@ test("auth redirects stay hard document loads so stale session state cannot surv
   assert.doesNotMatch(pageSource, /router\.replace\("\/login"\)/);
 
   // And: the login redirect after sign-out drops the whole React tree with the session.
-  const signOut = sourceBetween(pageSource, "async function signOut()", "function chooseSuggestedQuestion");
+  const signOut = sourceBetween(pageSource, "async function signOut()", "return {\n    refreshAccount,");
   assert.match(signOut, /await selfHostedOtpActions\.signOut\(\);\n\s*window\.location\.assign\("\/login"\)/);
 
   // And: the sibling membership surface keeps the same precedent.

frontend/tests/home-surface.ts

@@ -15,6 +15,8 @@ const homeSurfaceFiles = [
 const optionalHomeHookFiles = [
   "../src/hooks/use-session-management.ts",
   "../src/hooks/use-consultation-run.ts",
+  "../src/hooks/use-profile-onboarding.ts",
+  "../src/hooks/use-rectification-surface.ts",
 ] as const;
 
 export const homeSurface = [

frontend/tests/profile-persistence.test.ts

@@ -2,14 +2,16 @@ import assert from "node:assert/strict";
 import { existsSync, readFileSync } from "node:fs";
 import test from "node:test";
 
+import { homeSurface } from "./home-surface.ts";
+
 test("upserts a missing profile when saving account details", () => {
-  const source = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
+  const source = homeSurface;
   assert.match(source, /fetch\("\/api\/account",[\s\S]*?\{[\s\S]*?method:\s*"PATCH"/);
   assert.match(source, /credentials:\s*"same-origin"/);
 });
 
 test("every profile save adopts the birth-time truth the account write returned", () => {
-  const source = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
+  const source = homeSurface;
 
   // Given: the account write derives birth-time status and active minute.
   assert.match(source, /const savedProfile = applyPersistedBirthTime\(nextProfile, payload\?\.birthTime\)/);

frontend/tests/profile-state.test.ts

@@ -1,9 +1,7 @@
 import assert from "node:assert/strict";
-import { readFileSync } from "node:fs";
 import test from "node:test";
 import { preserveShallowEqual } from "../src/lib/preserve-shallow-equal.ts";
-
-const pageSource = readFileSync(new URL("../src/app/page.tsx", import.meta.url), "utf8");
+import { homeSurface as pageSource } from "./home-surface.ts";
 
 test("preserves the current profile reference when refreshed values are unchanged", () => {
   const current = {

frontend/tests/rectification-agentic-entry.test.ts

@@ -128,7 +128,7 @@ test("server profile failures pause automatic rectification resume", () => {
   );
   const incompleteHandler = page.slice(
     page.indexOf("function handleRectificationProfileIncomplete"),
-    page.indexOf("async function draftSynastryQuestionFromChart"),
+    page.indexOf("function handleRectificationMessagesChange"),
   );
   assert.match(resumeEffect, /\|\| rectificationError\) return/);
   assert.match(incompleteHandler, /setRectificationError\("profile_incomplete"\)/);