fix(onboarding): restore uncertain birth-time intake

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

@@ -6,6 +6,7 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@
 import { birthTimeConsultationOptionsCopy } from "@/lib/birth-time-consultation-consent";
 import {
   birthTimeDisplayState,
+  birthTimePeriodOptions,
   birthTimeSourceDefaults,
   birthTimeSourceOptions,
   type BirthTimeDraft,
@@ -70,6 +71,9 @@ export function BirthTimeIntakeFields({ value, onPatch }: BirthTimeIntakeProps)
   const source = value.birthTimeSource;
   const isConfirmed = value.birthTimeStatus === "confirmed";
   const displayState = birthTimeDisplayState(value);
+  const knowledgeMode = source === "period_only" || source === "unknown"
+    ? "uncertain"
+    : source ? "exact" : "";
   const usesClockTime = source === "hospital_record"
     || source === "family_exact"
     || source === "approximate"
@@ -114,16 +118,20 @@ export function BirthTimeIntakeFields({ value, onPatch }: BirthTimeIntakeProps)
       )}
 
       {!isConfirmed && <fieldset className="birth-time-source-fieldset">
-        <legend>填写出生时间</legend>
-        <p className="birth-time-source-intro">请填写你初始化提供的具体出生时间。</p>
+        <legend>你对出生时间了解多少？</legend>
+        <p className="birth-time-source-intro">不用猜具体分钟，先选一个最符合你的情况的选项。</p>
         <div className="birth-time-source-list">
           {birthTimeSourceOptions.map((option) => (
             <label
-              className={`birth-time-source-option ${source === option.value ? "is-selected" : ""}`}
+              className={`birth-time-source-option ${option.value === "family_exact"
+                ? knowledgeMode === "exact" ? "is-selected" : ""
+                : knowledgeMode === "uncertain" ? "is-selected" : ""}`}
               key={option.value}
             >
               <input
-                checked={source === option.value}
+                checked={option.value === "family_exact"
+                  ? knowledgeMode === "exact"
+                  : knowledgeMode === "uncertain"}
                 name={`birth-time-source-${groupId}`}
                 type="radio"
                 value={option.value}
@@ -158,6 +166,67 @@ export function BirthTimeIntakeFields({ value, onPatch }: BirthTimeIntakeProps)
           )}
         </div>
       )}
+
+      {source === "period_only" && (
+        <div className="birth-time-detail-grid birth-time-period-details onboarding-card-reveal">
+          <label>
+            <span>请选择最接近的时间范围</span>
+            <Select
+              required
+              value={value.birthTimePeriod || null}
+              onValueChange={(nextValue) => {
+                if (typeof nextValue === "string") onPatch({ birthTimePeriod: nextValue });
+              }}
+            >
+              <SelectTrigger aria-label="最接近的时间范围">
+                <SelectValue placeholder="请选择大致时段">
+                  {(selectedValue) => birthTimePeriodOptions.find((option) => option.value === selectedValue)?.label ?? "请选择大致时段"}
+                </SelectValue>
+              </SelectTrigger>
+              <SelectContent>
+                {birthTimePeriodOptions.map((option) => (
+                  <SelectItem key={option.value} value={option.value}>{option.label}</SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </label>
+          <label>
+            <span>补充描述（可选）</span>
+            <textarea
+              maxLength={240}
+              placeholder="例如：天刚亮、午饭前后、家人记得大约 6—8 点"
+              rows={2}
+              value={value.birthTimeClue}
+              onChange={(event) => onPatch({ birthTimeClue: event.target.value })}
+            />
+          </label>
+          <button
+            className="button-secondary birth-time-skip-button"
+            type="button"
+            onClick={() => onPatch({
+              birthTimeSource: "unknown",
+              reportedTime: "",
+              birthTimePeriod: "",
+              birthTimeClue: "",
+              uncertaintyBeforeMinutes: null,
+              uncertaintyAfterMinutes: null,
+              birthTimeStatus: "reported",
+              time: "",
+            })}
+          >完全不清楚，跳过出生时间</button>
+        </div>
+      )}
+
+      {source === "unknown" && (
+        <div className="birth-time-detail-note onboarding-card-reveal" role="status">
+          <p>已跳过具体出生时间。保存后可以直接使用首页功能，生时校正以后需要时再做。</p>
+          <button
+            className="button-secondary"
+            type="button"
+            onClick={() => onPatch({ birthTimeSource: "period_only", birthTimeStatus: "reported" })}
+          >我可以描述一个时间范围</button>
+        </div>
+      )}
     </div>
   );
 }

frontend/src/lib/birth-time-intake-model.ts

@@ -84,6 +84,7 @@ export function formatBirthDate(value: Date): string {
 
 export const birthTimeSourceOptions = [
   { value: "family_exact", label: "我知道准确出生时间", hint: "保存为初始化填报时间，不会自动标记为引擎确认" },
+  { value: "period_only", label: "我不确定准确时间", hint: "告诉我们大致时段；完全不清楚也可以直接跳过" },
 ] as const;
 
 export const birthTimeSourceDefaults = {

frontend/tests/birth-time-consultation-consent.test.ts

@@ -206,18 +206,19 @@ test("unverified birth time no longer emits a modal or toast gate", () => {
   assert.doesNotMatch(page, /role="alertdialog"[\s\S]{0,300}出生时间还没有完成校正/);
 });
 
-test("birth time intake only accepts one concrete initialization time", () => {
+test("birth time intake starts with exact or uncertain choices and keeps rectification optional", () => {
   const intake = readFileSync(new URL("../src/components/birth-time-intake.tsx", import.meta.url), "utf8");
   const model = readFileSync(new URL("../src/lib/birth-time-intake-model.ts", import.meta.url), "utf8");
 
   assert.match(model, /我知道准确出生时间/);
-  assert.match(intake, /请填写你初始化提供的具体出生时间/);
+  assert.match(model, /我不确定准确时间/);
+  assert.match(intake, /你对出生时间了解多少？/);
+  assert.match(intake, /不用猜具体分钟/);
   assert.match(intake, /aria-label="选择出生时间"/);
-  assert.doesNotMatch(model, /我不确定准确时间/);
   assert.doesNotMatch(intake, /source === "family_exact" \|\| source === "approximate"/);
-  assert.doesNotMatch(intake, /请选择最接近的时间范围/);
-  assert.doesNotMatch(intake, /完全不清楚，跳过出生时间/);
-  assert.doesNotMatch(intake, /生时校正以后需要时再做/);
+  assert.match(intake, /请选择最接近的时间范围/);
+  assert.match(intake, /完全不清楚，跳过出生时间/);
+  assert.match(intake, /生时校正以后需要时再做/);
 });
 
 test("homepage and profile result copy use the source-aware consultation options", () => {

frontend/tests/birth-time-intake.test.ts

@@ -308,13 +308,19 @@ test("persisted birth dates normalize database ISO values without accepting inva
   assert.equal(normalizePersistedBirthDate("1997-08-08junk"), "");
 });
 
-test("fresh intake only offers a concrete reported time and does not auto-confirm it", () => {
+test("fresh intake preserves exact, approximate-period, and unknown-time paths without auto-confirming", () => {
   const source = readFileSync(new URL("../src/components/birth-time-intake.tsx", import.meta.url), "utf8");
 
-  assert.deepEqual(birthTimeSourceOptions.map((option) => option.value), ["family_exact"]);
+  assert.deepEqual(
+    birthTimeSourceOptions.map((option) => option.value),
+    ["family_exact", "period_only"],
+  );
   assert.doesNotMatch(source, /已用于当前排盘/);
-  assert.doesNotMatch(source, /可能误差|选择误差范围|最接近的时间范围|大致时段|描述一个时间范围/);
-  assert.doesNotMatch(source, /birthTimePeriodOptions|birthTimeSource: "period_only"|birthTimeSource: "unknown"/);
+  assert.match(source, /birthTimePeriodOptions/);
+  assert.match(source, /birthTimeSource: "unknown"/);
+  assert.match(source, /请选择最接近的时间范围/);
+  assert.match(source, /完全不清楚，跳过出生时间/);
+  assert.match(source, /我可以描述一个时间范围/);
   assert.match(source, /birthTimeStatus: "reported"/);
   assert.match(source, /birthTimeConsultationOptionsCopy\(value\)/);
 });