feat: add feed

internal/handler/social.go

@@ -245,6 +245,36 @@ func (h *PostHandler) ListMine(w http.ResponseWriter, r *http.Request) {
 	response.JSONWithMeta(w, http.StatusOK, posts, paginationMeta(total, limit, offset))
 }
 
+// Feed — GET /feed?limit=&offset=. The global personalised home feed (auth
+// required). Returns at most `limit` posts; the client infers "more" from a
+// full page (no total count for an unbounded global feed).
+func (h *PostHandler) Feed(w http.ResponseWriter, r *http.Request) {
+	uid := middleware.UserID(r.Context())
+	limit, offset := parseLimitOffset(r)
+	posts, err := h.svc.Feed(r.Context(), uid, limit, offset)
+	if err != nil {
+		mapSocialErr(w, err)
+		return
+	}
+	response.JSON(w, http.StatusOK, posts)
+}
+
+// FeedNewUsers — GET /feed/new-users. Up to 5 accounts that joined in the last
+// 24h, for the feed's "new on the platform" discovery strip. Returns [] when
+// there are none (the client hides the section).
+func (h *PostHandler) FeedNewUsers(w http.ResponseWriter, r *http.Request) {
+	uid := middleware.UserID(r.Context())
+	users, err := h.graph.NewUsers(r.Context(), uid, 5)
+	if err != nil {
+		mapSocialErr(w, err)
+		return
+	}
+	if users == nil {
+		users = []model.UserSummary{}
+	}
+	response.JSON(w, http.StatusOK, users)
+}
+
 type replaceImagesReq struct {
 	ImageURLs []string `json:"image_urls"`
 }