feat: make birth-time rectification a soft homepage flow

frontend/src/components/birth-time-intake.tsx

@@ -69,7 +69,7 @@ export function BirthTimeIntakeFields({ value, onPatch }: BirthTimeIntakeProps)
           </div>
           <dl>
             <div>
-              <dt>{displayState.kind === "candidate" ? "当前工作排盘时间" : "当前排盘时间"}</dt>
+              <dt>{displayState.kind === "candidate" ? "待验证候选时间" : "当前排盘时间"}</dt>
               <dd>{displayState.activeTime}</dd>
             </div>
             <div>
@@ -78,7 +78,7 @@ export function BirthTimeIntakeFields({ value, onPatch }: BirthTimeIntakeProps)
             </div>
           </dl>
           {displayState.kind === "candidate" && (
-            <p>已用于当前排盘，但仍保留为候选结果，不会标记成出生记录中的确定分钟。</p>
+            <p>这仍是未确认候选，不会自动成为出生分钟；普通咨询前可以选择临时使用或先校正。</p>
           )}
         </section>
       )}

frontend/src/components/unverified-birth-time-choice.tsx

@@ -0,0 +1,75 @@
+"use client";
+
+import { useId } from "react";
+
+type UnverifiedBirthTimeChoiceProps = Readonly<{
+  canUseUnverifiedTime: boolean;
+  unverifiedTime?: string | null;
+  pending?: boolean;
+  onUseUnverifiedTime: () => void;
+  onRectifyFirst: () => void;
+  onCancel: () => void;
+}>;
+
+export function UnverifiedBirthTimeChoice({
+  canUseUnverifiedTime,
+  unverifiedTime,
+  pending = false,
+  onUseUnverifiedTime,
+  onRectifyFirst,
+  onCancel,
+}: UnverifiedBirthTimeChoiceProps) {
+  const titleId = useId();
+  const descriptionId = useId();
+
+  return (
+    <section
+      aria-busy={pending}
+      aria-describedby={descriptionId}
+      aria-labelledby={titleId}
+      aria-live="polite"
+      className="onboarding-card birth-time-transition-card"
+      role="dialog"
+    >
+      <div className="onboarding-card-heading">
+        <b id={titleId}>出生时间还没有完成校正</b>
+        <small>这不会阻止你继续使用 Jyotisha</small>
+      </div>
+      <p id={descriptionId}>
+        {canUseUnverifiedTime
+          ? "你可以只在当前聊天临时使用填报时间，也可以先完成生时校正再问。新建聊天后会再次温和提醒。"
+          : "你目前没有可直接使用的具体分钟，系统不会替你猜一个时间。可以先校正再继续这个问题。"}
+      </p>
+      <div className="onboarding-card-actions">
+        {canUseUnverifiedTime && (
+          <button
+            className="button-secondary"
+            disabled={pending}
+            type="button"
+            onClick={onUseUnverifiedTime}
+          >
+            {unverifiedTime
+              ? `先用 ${unverifiedTime}（未校正）询问`
+              : "先用未校正时间询问"}
+          </button>
+        )}
+        <button
+          className="button-primary"
+          disabled={pending}
+          type="button"
+          onClick={onRectifyFirst}
+        >
+          {pending ? "正在进入生时校正…" : "先校正再询问"}
+        </button>
+        <button
+          className="button-secondary"
+          disabled={pending}
+          type="button"
+          onClick={onCancel}
+        >
+          返回修改问题
+        </button>
+      </div>
+    </section>
+  );
+}