Fix member profiles, chat peer header, and like-back CTAs.

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

backend/app/routers/auth.py

@@ -14,16 +14,29 @@ from app.services.auth import (
   update_profile,
 )
 from app.services.pocketbase import pb
+from app.services import social_store
 
 router = APIRouter(prefix="/auth", tags=["auth"])
 
 
+def _with_social_seed(result: dict | None) -> dict | None:
+  if not result:
+    return result
+  try:
+    uid = (result.get("user") or {}).get("id")
+    if uid:
+      social_store.seed_demo_social_activity(uid)
+  except Exception:
+    pass
+  return result
+
+
 @router.post("/register", response_model=AuthResponse)
 async def register(body: AuthRegister):
   result = register_user(body.email, body.password, body.name)
   if not result:
     raise HTTPException(400, "该邮箱已注册")
-  return AuthResponse(**result)
+  return AuthResponse(**_with_social_seed(result))
 
 
 @router.post("/login", response_model=AuthResponse)
@@ -31,7 +44,7 @@ async def login(body: AuthLogin):
   result = login_user(body.email, body.password)
   if not result:
     raise HTTPException(401, "邮箱或密码错误")
-  return AuthResponse(**result)
+  return AuthResponse(**_with_social_seed(result))
 
 
 @router.get("/me", response_model=UserProfile)
@@ -69,7 +82,7 @@ async def demo_login():
   result = login_demo()
   if not result:
     raise HTTPException(500, "演示账号不可用")
-  return AuthResponse(**result)
+  return AuthResponse(**_with_social_seed(result))
 
 
 @router.post("/google", response_model=AuthResponse)
@@ -92,7 +105,7 @@ async def google_login(body: GoogleLoginRequest):
   result = login_google(email, name)
   if not result:
     raise HTTPException(500, "登录失败")
-  return AuthResponse(**result)
+  return AuthResponse(**_with_social_seed(result))
 
 
 @router.get("/favorites", response_model=FavoriteResponse)

backend/app/services/social_store.py

@@ -159,14 +159,84 @@ def join_member(user_id: str, name: str, payload: dict) -> dict:
 
 
 def get_public_profile(user_id: str) -> dict | None:
+  if not user_id:
+    return None
+  # Accept /members/user-{id} style links
+  lookup = user_id[5:] if user_id.startswith("user-") else user_id
+
   if use_pb():
-    row = safe_first("profiles", filter=f"userId={q(user_id)}")
+    row = safe_first("profiles", filter=f"userId={q(lookup)}")
-    if not row:
+    if row:
-      return None
+      return {
-    return {**row, "vip": is_vip(user_id)}
+        "id": row.get("id") or f"user-{lookup}",
-  _jload()
+        "userId": row.get("userId") or lookup,
-  p = (_j.get("profiles") or {}).get(user_id)
+        "name": row.get("name") or "游民",
-  return {**p, "vip": is_vip(user_id)} if p else None
+        "location": row.get("location") or "",
+        "citySlug": row.get("citySlug") or "",
+        "gender": row.get("gender") or "",
+        "single": row.get("single") or "",
+        "bio": row.get("bio") or "",
+        "photo": row.get("photo") or "🧑‍💻",
+        "tags": row.get("tags") or [],
+        "lookingFor": _profile_looking_for(row),
+        "vip": is_vip(lookup),
+      }
+  else:
+    _jload()
+    p = (_j.get("profiles") or {}).get(lookup)
+    if p:
+      return {
+        "id": f"user-{lookup}",
+        "userId": lookup,
+        "name": p.get("name") or "游民",
+        "location": p.get("location") or "",
+        "citySlug": p.get("citySlug") or "",
+        "gender": p.get("gender") or "",
+        "single": p.get("single") or "",
+        "bio": p.get("bio") or "",
+        "photo": p.get("photo") or "🧑‍💻",
+        "tags": p.get("tags") or [],
+        "lookingFor": _profile_looking_for(p),
+        "vip": is_vip(lookup),
+      }
+
+  for cand in CANDIDATE_PROFILES:
+    if cand.get("userId") == lookup or cand.get("id") == lookup or cand.get("id") == user_id:
+      return {
+        "id": cand.get("id") or f"user-{cand.get('userId', lookup)}",
+        "userId": cand.get("userId") or lookup,
+        "name": cand.get("name") or "游民",
+        "location": cand.get("location") or "",
+        "citySlug": cand.get("citySlug") or "",
+        "gender": cand.get("gender") or "",
+        "single": cand.get("single") or "",
+        "bio": cand.get("bio") or "",
+        "photo": cand.get("photo") or "🧑‍💻",
+        "tags": cand.get("tags") or [],
+        "lookingFor": _profile_looking_for(cand),
+        "vip": False,
+      }
+  return None
+
+
+def normalize_peer(peer: dict | None) -> dict | None:
+  if not peer:
+    return None
+  uid = peer.get("userId") or ""
+  return {
+    "id": peer.get("id") or (f"user-{uid}" if uid else "unknown"),
+    "userId": uid,
+    "name": peer.get("name") or "游民",
+    "location": peer.get("location") or "",
+    "citySlug": peer.get("citySlug") or "",
+    "gender": peer.get("gender") or "",
+    "single": peer.get("single") or "",
+    "bio": peer.get("bio") or "",
+    "photo": peer.get("photo") or "🧑‍💻",
+    "tags": peer.get("tags") or [],
+    "lookingFor": _profile_looking_for(peer),
+    "intent": peer.get("intent") or "",
+  }
 
 
 # ── Candidates / swipes ────────────────────────────────────────────────
@@ -511,19 +581,23 @@ def list_conversations(user_id: str) -> list[dict]:
     rows = safe_list("conversations", filter=f"userAId={q(user_id)} || userBId={q(user_id)}")
     rows.sort(key=lambda c: c.get("lastMessageAt") or c.get("created", ""), reverse=True)
     for c in rows:
+      if c.get("userAId") == c.get("userBId"):
+        continue
       peer_id = c["userBId"] if c["userAId"] == user_id else c["userAId"]
       read_at = (c.get("readState") or {}).get(user_id, "")
       unread = 1 if (c.get("lastMessageAt") or "") > read_at else 0
-      items.append({**c, "peer": _peer_profile(peer_id), "unreadCount": unread})
+      items.append({**c, "peer": normalize_peer(_peer_profile(peer_id)), "unreadCount": unread})
     return items
   _jload()
   for c in _j.get("conversations") or []:
     if user_id not in (c.get("userAId"), c.get("userBId")):
       continue
+    if c.get("userAId") == c.get("userBId"):
+      continue
     peer_id = c["userBId"] if c["userAId"] == user_id else c["userAId"]
     read_at = (c.get("readState") or {}).get(user_id, "")
     unread = 1 if c.get("lastMessageAt", "") > read_at else 0
-    items.append({**c, "peer": _peer_profile(peer_id), "unreadCount": unread})
+    items.append({**c, "peer": normalize_peer(_peer_profile(peer_id)), "unreadCount": unread})
   items.sort(key=lambda x: x.get("lastMessageAt", ""), reverse=True)
   return items
 
@@ -534,12 +608,12 @@ def get_conversation(conv_id: str, user_id: str) -> dict | None:
     if not row or user_id not in (row.get("userAId"), row.get("userBId")):
       return None
     peer_id = row["userBId"] if row["userAId"] == user_id else row["userAId"]
-    return {**row, "peer": _peer_profile(peer_id)}
+    return {**row, "peer": normalize_peer(_peer_profile(peer_id))}
   _jload()
   for c in _j.get("conversations") or []:
     if c["id"] == conv_id and user_id in (c.get("userAId"), c.get("userBId")):
       peer_id = c["userBId"] if c["userAId"] == user_id else c["userAId"]
-      return {**c, "peer": _peer_profile(peer_id)}
+      return {**c, "peer": normalize_peer(_peer_profile(peer_id))}
   return None
 
 

frontend/src/app/changelog/page.tsx

@@ -8,6 +8,14 @@ export const metadata: Metadata = {
 };
 
 const LOGS = [
+  {
+    date: "2026-09-04",
+    tag: "匹配资料 · 私信头",
+    items: [
+      "会员页支持候选档案 /members/u1，可回赞并直达聊天；私信线程显示对方头像与资料入口",
+      "登录即注入匹配来赞与演示私信；会话 peer 字段规范化避免列表 500",
+    ],
+  },
   {
     date: "2026-09-04",
     tag: "匹配滑动 · 喜欢我的",

frontend/src/app/globals.css

@@ -10876,6 +10876,33 @@ a.weather-card:hover {
   min-height: calc(100vh - 120px);
 }
 
+.chat-thread-peer {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 12px 0;
+  margin-bottom: 8px;
+  border-bottom: var(--border-glass);
+}
+
+.chat-thread-peer-link {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  text-decoration: none;
+  color: inherit;
+  min-width: 0;
+}
+
+.chat-thread-peer-link strong {
+  display: block;
+}
+
+.chat-thread-peer-link .dating-meta {
+  margin: 0;
+}
+
 .chat-thread-messages {
   flex: 1;
   display: flex;

frontend/src/app/members/[id]/page.tsx

@@ -1,3 +1,4 @@
+import { Suspense } from "react";
 import { notFound } from "next/navigation";
 import { api } from "@/lib/api";
 import SiteShell from "@/components/SiteShell";
@@ -9,7 +10,9 @@ export default async function MemberPage({ params }: { params: Promise<{ id: str
   if (!profile) notFound();
   return (
     <SiteShell showFooter>
-      <MemberProfileClient profile={profile} />
+      <Suspense fallback={<div className="container dest-empty">…</div>}>
+        <MemberProfileClient profile={profile} />
+      </Suspense>
     </SiteShell>
   );
 }

frontend/src/components/ChatThreadClient.tsx

@@ -6,7 +6,7 @@ import { api } from "@/lib/api";
 import { useAuth } from "@/lib/auth";
 import { useI18n } from "@/lib/i18n";
 import { useToast } from "@/lib/toast";
-import type { ChatMessage } from "@/lib/types";
+import type { ChatMessage, ConversationItem } from "@/lib/types";
 import RingNext from "@/components/RingNext";
 import { useRingSteps } from "@/lib/rings";
 import { clearDraft, loadDraft, saveDraft } from "@/lib/localDraft";
@@ -17,6 +17,7 @@ export default function ChatThreadClient({ convId }: { convId: string }) {
   const { toast } = useToast();
   const rings = useRingSteps();
   const [messages, setMessages] = useState<ChatMessage[]>([]);
+  const [conv, setConv] = useState<ConversationItem | null>(null);
   const [text, setText] = useState("");
   const [sending, setSending] = useState(false);
   const [loading, setLoading] = useState(Boolean(token));
@@ -38,6 +39,7 @@ export default function ChatThreadClient({ convId }: { convId: string }) {
       setLoading(false);
       return;
     }
+    api.getConversation(token, convId).then(setConv).catch(() => setConv(null));
     load();
     const id = setInterval(load, 4000);
     return () => clearInterval(id);
@@ -85,6 +87,9 @@ export default function ChatThreadClient({ convId }: { convId: string }) {
     }
   };
 
+  const peer = conv?.peer;
+  const peerHref = peer?.userId ? `/members/${peer.userId}` : peer?.id ? `/members/${peer.id}` : "/dating";
+
   if (!user || !token) {
     return (
       <div className="chat-thread-page">
@@ -115,8 +120,26 @@ export default function ChatThreadClient({ convId }: { convId: string }) {
         <nav className="detail-nav">
           <Link href="/chat">← {t.chat.back}</Link>
           <span> · </span>
+          <Link href="/dating">{t.nav.dating}</Link>
+          <span> · </span>
           <Link href="/meetups">{t.nav.meetups}</Link>
         </nav>
+
+        {peer && (
+          <div className="chat-thread-peer reveal">
+            <Link href={peerHref} className="chat-thread-peer-link">
+              <span className="chat-avatar">{peer.photo || peer.name?.[0] || "💬"}</span>
+              <div>
+                <strong>{peer.name}</strong>
+                <p className="dating-meta">{peer.location || t.dating.globalNomad}</p>
+              </div>
+            </Link>
+            <Link href={peerHref} className="btn btn-ghost btn-sm">
+              {t.dating.viewProfile}
+            </Link>
+          </div>
+        )}
+
         <div className="chat-thread-messages">
           {loading && messages.length === 0 && <p className="dest-empty">{t.chat.loadingMessages}</p>}
           {!loading && messages.length === 0 && (

frontend/src/components/DatingLikesClient.tsx

@@ -108,7 +108,11 @@ export default function DatingLikesClient() {
           {!loading &&
             list.map((p) => {
               const photo = p.photo || "";
-              const href = p.userId ? `/members/${p.userId}` : "/dating";
+              const href = p.userId
+                ? `/members/${p.userId}?from=likes`
+                : p.id
+                  ? `/members/${p.id}?from=likes`
+                  : "/dating";
               return (
                 <Link key={p.id || p.userId || p.name} href={href} className="dating-like-card reveal">
                   <div className="dating-like-photo">

frontend/src/components/MemberProfileClient.tsx

@@ -1,7 +1,12 @@
 "use client";
 
+import { useEffect, useState } from "react";
 import Link from "next/link";
+import { useRouter, useSearchParams } from "next/navigation";
+import { api } from "@/lib/api";
+import { useAuth } from "@/lib/auth";
 import { useI18n } from "@/lib/i18n";
+import { useToast } from "@/lib/toast";
 import type { MemberProfile } from "@/lib/types";
 import RingNext from "@/components/RingNext";
 import { useRingSteps } from "@/lib/rings";
@@ -15,11 +20,59 @@ function cityFromLocation(location?: string) {
 
 export default function MemberProfileClient({ profile }: { profile: MemberProfile }) {
   const { t } = useI18n();
+  const { token, user } = useAuth();
+  const { toast } = useToast();
+  const router = useRouter();
+  const search = useSearchParams();
   const rings = useRingSteps();
   const photo = profile.photo || "";
   const isUrl = photo.startsWith("http");
   const city = cityFromLocation(profile.location);
   const meetupsHref = city ? meetupCityHref(city) : "/meetups";
+  const [convId, setConvId] = useState<string | null>(null);
+  const [liking, setLiking] = useState(false);
+  const fromLikes = search.get("from") === "likes";
+
+  const profileId = profile.id || (profile.userId ? `user-${profile.userId}` : "");
+  const memberHref = profile.userId || profile.id || "";
+
+  useEffect(() => {
+    if (!token || !profile.userId) return;
+    api
+      .getMutualMatches(token)
+      .then((res) => {
+        const hit = (res.items || []).find(
+          (m) => m.peer?.userId === profile.userId || m.peer?.id === profile.id
+        );
+        if (hit?.conversationId) setConvId(hit.conversationId);
+      })
+      .catch(() => {});
+  }, [token, profile.userId, profile.id]);
+
+  const likeBack = async () => {
+    if (!token) {
+      router.push(`/login?next=/members/${memberHref}`);
+      return;
+    }
+    if (!profileId || liking) return;
+    setLiking(true);
+    try {
+      const res = await api.swipe(token, profileId, "like", "friends");
+      if (res.matched && res.match?.conversationId) {
+        setConvId(res.match.conversationId);
+        toast(t.dating.matched + " " + profile.name, "success", {
+          href: `/chat/${res.match.conversationId}`,
+          label: t.dating.chatNow,
+        });
+      } else {
+        toast(t.dating.likeSent, "success", { href: "/dating/likes", label: t.dating.likesTitle });
+      }
+    } catch {
+      toast(t.dating.swipeFail, "error");
+    } finally {
+      setLiking(false);
+    }
+  };
 
   return (
     <div className="dating-page">
@@ -27,6 +80,8 @@ export default function MemberProfileClient({ profile }: { profile: MemberProfil
         <nav className="detail-nav">
           <Link href="/dating">← {t.nav.dating}</Link>
           <span> · </span>
+          <Link href="/dating/likes">{t.dating.likesTitle}</Link>
+          <span> · </span>
           <Link href="/chat">{t.nav.chat}</Link>
           <span> · </span>
           <Link href={meetupsHref}>{t.nav.meetups}</Link>
@@ -53,6 +108,7 @@ export default function MemberProfileClient({ profile }: { profile: MemberProfil
               profile.location || t.dating.globalNomad
             )}
           </p>
+          {fromLikes && <p className="meetup-tag">{t.dating.likesYou}</p>}
           <p>{profile.bio || t.dating.noBio}</p>
           <div className="dating-tags">
             {(profile.tags || []).map((tag) => (
@@ -62,15 +118,25 @@ export default function MemberProfileClient({ profile }: { profile: MemberProfil
             ))}
           </div>
           <div className="dating-empty-actions" style={{ marginTop: "1.25rem" }}>
-            <Link href="/dating" className="btn btn-primary btn-sm">
+            {convId ? (
+              <Link href={`/chat/${convId}`} className="btn btn-primary btn-sm">
+                {t.dating.chatNow}
+              </Link>
+            ) : user ? (
+              <button type="button" className="btn btn-primary btn-sm" disabled={liking} onClick={() => void likeBack()}>
+                {liking ? "…" : t.dating.likeBack}
+              </button>
+            ) : (
+              <Link href={`/login?next=/members/${memberHref}`} className="btn btn-primary btn-sm">
+                {t.nav.login}
+              </Link>
+            )}
+            <Link href="/dating" className="btn btn-sm">
               {t.dating.keepSwiping}
             </Link>
             <Link href={meetupsHref} className="btn btn-sm">
               {city ? t.common.cityMeetups : t.dating.meetAtEvents}
             </Link>
-            <Link href="/community" className="btn btn-sm">
-              {t.nav.community}
-            </Link>
           </div>
         </div>
         <RingNext steps={rings.afterDating} />

frontend/src/lib/api.ts

@@ -250,6 +250,15 @@ export const api = {
     }),
   getConversations: (token: string) =>
     fetchAPI<ConversationItem[]>("/social/conversations", { headers: { Authorization: `Bearer ${token}` } }),
+  getConversation: (token: string, convId: string) =>
+    fetchAPI<ConversationItem>(`/social/conversations/${convId}`, {
+      headers: { Authorization: `Bearer ${token}` },
+    }),
+  getMutualMatches: (token: string) =>
+    fetchAPI<{ items: Array<{ conversationId?: string; peer?: MatchProfile; intent?: string }> }>(
+      "/social/matches/mutual",
+      { headers: { Authorization: `Bearer ${token}` } }
+    ),
   getMessages: (token: string, convId: string) =>
     fetchAPI<ChatMessage[]>(`/social/conversations/${convId}/messages`, {
       headers: { Authorization: `Bearer ${token}` },

frontend/src/lib/i18n/dictionaries.ts

@@ -457,6 +457,9 @@ export const zh = {
     likesReceivedSubtitle: "对你右滑的游民会出现在这里",
     likesReceivedEmpty: "还没有人喜欢你，先去完善资料并滑动匹配",
     likesYou: "喜欢了你",
+    likeBack: "回赞 / 匹配",
+    likeSent: "已发送喜欢",
+    viewProfile: "查看资料",
   },
   chat: {
     tag: "✉️ MESSAGES",
@@ -1722,6 +1725,9 @@ export const en: { [K in keyof typeof zh]: typeof zh[K] extends string ? string
     likesReceivedSubtitle: "People who swiped right on you",
     likesReceivedEmpty: "No incoming likes yet — keep your profile fresh and swipe",
     likesYou: "Liked you",
+    likeBack: "Like back",
+    likeSent: "Like sent",
+    viewProfile: "View profile",
   },
   chat: {
     tag: "✉️ MESSAGES",