diff --git a/supabase/functions/share-view/index.ts b/supabase/functions/share-view/index.ts
index eb8e916..4e08752 100644
--- a/supabase/functions/share-view/index.ts
+++ b/supabase/functions/share-view/index.ts
@@ -260,6 +260,67 @@ Deno.serve(async (req) => {
     return html(page(`${petLabel}의 ${kindLabel}`, `${bizName ?? "PawMate"} · 케어 리포트`, inner));
   }
 
+  // ── 게시글 공유 — 앱 게시글 상세 미러(히어로 미디어 → 카테고리 칩 →
+  //    제목 → 작성자·날짜 → 본문). 영상은 포스터 + <video controls>. ──
+  if (data.kind === "post") {
+    const po = data.post ?? {};
+    const POST_CATEGORY_LABELS: Record<string, string> = {
+      walk_together: "동반산책",
+      walk_proxy: "대리산책",
+      care: "돌봄",
+      give_away: "분양",
+      adoption: "입양",
+      free: "자유",
+      news: "소식",
+    };
+    const title = String(po.title ?? "게시글");
+    const content = String(po.content ?? "");
+    const catLabel = POST_CATEGORY_LABELS[String(po.category)] ??
+      String(po.category ?? "");
+    const author = po.author_name ? String(po.author_name) : "알 수 없음";
+    const isVideo = String(po.image_mime ?? "").startsWith("video/");
+    const mediaUrl = po.image_url ? String(po.image_url) : null;
+    const thumbUrl = po.image_thumb_url ? String(po.image_thumb_url) : null;
+    const d = new Date(String(po.created_at ?? ""));
+    const dateStr = isNaN(d.getTime())
+      ? ""
+      : `${d.getFullYear()}.${String(d.getMonth() + 1).padStart(2, "0")}.${
+        String(d.getDate()).padStart(2, "0")
+      }`;
+    // 히어로 — 앱 상세의 미디어 히어로 미러(3:4, radius 24)
+    const hero = !mediaUrl ? "" : isVideo
+      ? `<div style="margin:0 20px 4px;border-radius:24px;overflow:hidden;aspect-ratio:3/4;background:#000">
+          <video controls playsinline preload="metadata"
+            ${thumbUrl ? `poster="${esc(thumbUrl)}"` : ""}
+            src="${esc(mediaUrl)}"
+            style="width:100%;height:100%;object-fit:cover"></video>
+        </div>`
+      : `<div style="margin:0 20px 4px;border-radius:24px;overflow:hidden;aspect-ratio:3/4">
+          <img src="${esc(mediaUrl)}" alt=""
+            style="width:100%;height:100%;object-fit:cover" loading="lazy">
+        </div>`;
+    const inner = `
+    ${hero}
+    <div class="pad" style="margin-top:${mediaUrl ? "16" : "4"}px">
+      <span style="display:inline-block;font-size:11.5px;font-weight:700;
+        color:var(--primary-dark);background:var(--surface-muted);
+        border:.5px solid var(--border);border-radius:100px;padding:3px 10px">
+        ${esc(catLabel)}</span>
+      <div style="font-size:20px;font-weight:800;line-height:1.4;margin-top:10px">
+        ${esc(title)}</div>
+      <div style="font-size:12.5px;color:var(--text2);margin-top:6px">
+        ${esc(author)}${dateStr ? ` · ${dateStr}` : ""}</div>
+    </div>
+    <div class="info-card" style="margin-top:14px">
+      <div style="font-size:14.5px;line-height:1.7;white-space:pre-wrap">${
+      esc(content)
+    }</div>
+    </div>
+    <a class="cta" href="?t=${token}&amp;go=store">PawMate 앱에서 이 글 보기</a>
+    <a class="cta sub" href="?t=${token}&amp;go=store">우리 동네 반려 이웃의 소식이 더 있어요</a>`;
+    return html(page(title, `${author} · ${catLabel} — PawMate`, inner));
+  }
+
   // ── 분양 스타터 랜딩(P3) — 본문은 정적 콘텐츠, 업체명만 데이터(출처 표기·계측) ──
   if (data.kind === "starter") {
     const st = data.starter ?? {};
diff --git a/supabase/migrations/20260725100000_post_share.sql b/supabase/migrations/20260725100000_post_share.sql
new file mode 100644
index 0000000..1e49548
--- /dev/null
+++ b/supabase/migrations/20260725100000_post_share.sql
@@ -0,0 +1,175 @@
+-- ============================================================================
+-- 게시글 공유 — 모든 카테고리 게시글을 공유 뷰어 링크로 (0028 §3 인프라 재사용)
+--
+--  · 앱 상세 화면의 공유 버튼 → create_post_share_link → go.pawmate.kr/s?t=…
+--    로그인 없이 열람(설치 전 가치 원칙). 뷰어는 앱 게시글 상세 디자인 미러.
+--  · 링크는 게시글당 1개 재사용(유효 링크 존재 시), 만료 30일.
+--  · 열람 시점 검증: 게시글이 삭제·숨김이면 not_found — 링크 발급 후 상태가
+--    바뀌어도 노출되지 않는다(발급 시점이 아니라 로드 시점 기준).
+--  · 노출 필드 최소: 카테고리·제목·본문·미디어·작성자 표시명(소식은 상호)·
+--    작성일. 좌표·전화·지역코드는 노출하지 않는다.
+-- ============================================================================
+
+-- (1) kind 확장
+alter table app.share_links drop constraint share_links_kind_check;
+alter table app.share_links add constraint share_links_kind_check
+  check (kind in ('facility_preview', 'care_report', 'starter', 'post'));
+
+-- (2) 공유 링크 발급 — 로그인 사용자 누구나(타인 글 공유도 일반 패턴).
+create or replace function public.create_post_share_link(p_post uuid)
+returns table (token varchar, expires_at timestamptz)
+language plpgsql
+security definer
+set search_path to ''
+as $function$
+declare
+  v_uid uuid := app.uid();
+  v_token varchar(32);
+  v_exp   timestamptz;
+begin
+  if v_uid is null then
+    raise exception 'auth required' using errcode = '42501';
+  end if;
+  if not exists (select 1 from public.posts p
+                  where p.id = p_post and p.visibility_status = 'visible') then
+    raise exception 'post_not_found' using errcode = 'P0001';
+  end if;
+
+  select l.token, l.expires_at into v_token, v_exp
+  from app.share_links l
+  where l.kind = 'post' and l.ref_id = p_post
+    and l.revoked_at is null and l.expires_at > now()
+  order by l.created_at desc limit 1;
+  if v_token is not null then
+    return query select v_token, v_exp;
+    return;
+  end if;
+
+  v_token := encode(extensions.gen_random_bytes(16), 'hex');
+  v_exp   := now() + interval '30 days';
+  insert into app.share_links (token, kind, ref_id, created_by, expires_at)
+  values (v_token, 'post', p_post, v_uid, v_exp);
+  insert into app.funnel_events (event, token, user_id)
+  values ('post_share', v_token, v_uid);
+  return query select v_token, v_exp;
+end;
+$function$;
+revoke all on function public.create_post_share_link(uuid) from public;
+grant execute on function public.create_post_share_link(uuid) to authenticated;
+
+-- (3) 뷰어 — post 분기(로드 시점 가시성 검증, 소식은 상호 표기)
+create or replace function public.share_view_load(p_token varchar)
+returns jsonb
+language plpgsql
+security definer
+set search_path to 'public'
+as $function$
+declare
+  v_link app.share_links%rowtype;
+  v_out  jsonb;
+begin
+  select * into v_link from app.share_links where token = p_token;
+  if not found or v_link.revoked_at is not null then
+    return jsonb_build_object('status', 'not_found');
+  end if;
+  if v_link.expires_at < now() then
+    return jsonb_build_object('status', 'expired');
+  end if;
+
+  update app.share_links set view_count = view_count + 1 where token = p_token;
+  insert into app.funnel_events (event, token) values ('share_view', p_token);
+
+  if v_link.kind = 'facility_preview' then
+    select jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'facility', jsonb_build_object(
+        'name', f.name, 'category', f.category, 'address', f.address,
+        'phone', f.phone, 'is_open', f.is_open,
+        'avg_rating', f.avg_rating, 'review_count', f.review_count,
+        'photo_url', bp.photo_url,
+        'photo_align_y', coalesce(bp.photo_align_y, 0),
+        'business_hours', bp.business_hours,
+        'owner_verified', coalesce(bp.verified, false)),
+      'reviews', coalesce((
+        select jsonb_agg(jsonb_build_object(
+                 'rating', r.rating, 'content', r.content,
+                 'has_incentive', r.has_incentive,
+                 'photo_urls', r.photos,
+                 'videos', r.videos)
+                 order by r.has_media desc, r.created_at desc)
+        from (select rating, content, has_incentive, created_at, videos,
+                     coalesce(array_length(photo_urls, 1), 0) > 0
+                       or jsonb_array_length(videos) > 0 as has_media,
+                     (select coalesce(jsonb_agg(u), '[]'::jsonb)
+                        from unnest(photo_urls[1:2]) u) as photos
+              from public.facility_reviews
+              where facility_id = f.id and visibility_status = 'visible'
+              order by coalesce(array_length(photo_urls, 1), 0) > 0
+                         or jsonb_array_length(videos) > 0 desc,
+                       created_at desc
+              limit 3) r), '[]'::jsonb))
+    into v_out
+    from public.facilities f
+    left join lateral (
+      select true as verified, b.photo_url, b.photo_align_y, b.business_hours
+        from public.business_profiles b
+       where b.status = 'approved'
+         and b.matched_facility_id = any(public.facility_sibling_ids(f.id))
+       order by b.reviewed_at nulls last
+       limit 1
+    ) bp on true
+    where f.id = v_link.ref_id;
+    return coalesce(v_out, jsonb_build_object('status', 'not_found'));
+  end if;
+
+  if v_link.kind = 'care_report' then
+    select jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'report', jsonb_build_object(
+        'pet_label', r.pet_label, 'photos', r.photos, 'note', r.note,
+        'kind', r.kind, 'body', r.body, 'created_at', r.created_at,
+        'business_name', coalesce(b.storefront_name, b.business_name)))
+    into v_out
+    from app.care_reports r
+    left join public.business_profiles b on b.user_id = r.business_id
+    where r.id = v_link.ref_id;
+    return coalesce(v_out, jsonb_build_object('status', 'not_found'));
+  end if;
+
+  if v_link.kind = 'starter' then
+    select jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'starter', jsonb_build_object(
+        'business_name', coalesce(b.storefront_name, b.business_name)))
+    into v_out
+    from public.business_profiles b
+    where b.user_id = v_link.ref_id and b.status = 'approved';
+    return coalesce(v_out, jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'starter', jsonb_build_object('business_name', null)));
+  end if;
+
+  if v_link.kind = 'post' then
+    select jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'post', jsonb_build_object(
+        'category', p.category, 'title', p.title, 'content', p.content,
+        'image_url', p.image_url, 'image_mime', p.image_mime_type,
+        'image_thumb_url', p.image_thumbnail_url,
+        'created_at', p.created_at,
+        'author_name', case
+          when p.category = 'news'
+            then coalesce(b.storefront_name, b.business_name, pr.nickname)
+          else pr.nickname end))
+    into v_out
+    from public.posts p
+    left join public.public_profiles pr on pr.id = p.user_id
+    left join public.business_profiles b
+      on p.category = 'news' and b.user_id = p.user_id
+    where p.id = v_link.ref_id and p.visibility_status = 'visible';
+    return coalesce(v_out, jsonb_build_object('status', 'not_found'));
+  end if;
+
+  return jsonb_build_object('status', 'ok', 'kind', v_link.kind);
+end;
+$function$;
diff --git a/supabase/schema/schema.sql b/supabase/schema/schema.sql
index 1c83169..ed4d723 100644
--- a/supabase/schema/schema.sql
+++ b/supabase/schema/schema.sql
@@ -4041,6 +4041,48 @@ end;
 $$;
 
 
+--
+-- Name: create_post_share_link(uuid); Type: FUNCTION; Schema: public; Owner: -
+--
+
+CREATE FUNCTION public.create_post_share_link(p_post uuid) RETURNS TABLE(token character varying, expires_at timestamp with time zone)
+    LANGUAGE plpgsql SECURITY DEFINER
+    SET search_path TO ''
+    AS $$
+declare
+  v_uid uuid := app.uid();
+  v_token varchar(32);
+  v_exp   timestamptz;
+begin
+  if v_uid is null then
+    raise exception 'auth required' using errcode = '42501';
+  end if;
+  if not exists (select 1 from public.posts p
+                  where p.id = p_post and p.visibility_status = 'visible') then
+    raise exception 'post_not_found' using errcode = 'P0001';
+  end if;
+
+  select l.token, l.expires_at into v_token, v_exp
+  from app.share_links l
+  where l.kind = 'post' and l.ref_id = p_post
+    and l.revoked_at is null and l.expires_at > now()
+  order by l.created_at desc limit 1;
+  if v_token is not null then
+    return query select v_token, v_exp;
+    return;
+  end if;
+
+  v_token := encode(extensions.gen_random_bytes(16), 'hex');
+  v_exp   := now() + interval '30 days';
+  insert into app.share_links (token, kind, ref_id, created_by, expires_at)
+  values (v_token, 'post', p_post, v_uid, v_exp);
+  insert into app.funnel_events (event, token, user_id)
+  values ('post_share', v_token, v_uid);
+  return query select v_token, v_exp;
+end;
+$$;
+
+
 --
 -- Name: create_post_verified(character varying, character varying, text, timestamp with time zone, uuid[], text, character varying, integer, uuid, double precision, double precision, character varying, text); Type: FUNCTION; Schema: public; Owner: -
 --
@@ -5529,6 +5571,27 @@ begin
       'starter', jsonb_build_object('business_name', null)));
   end if;
 
+  if v_link.kind = 'post' then
+    select jsonb_build_object(
+      'status', 'ok', 'kind', v_link.kind,
+      'post', jsonb_build_object(
+        'category', p.category, 'title', p.title, 'content', p.content,
+        'image_url', p.image_url, 'image_mime', p.image_mime_type,
+        'image_thumb_url', p.image_thumbnail_url,
+        'created_at', p.created_at,
+        'author_name', case
+          when p.category = 'news'
+            then coalesce(b.storefront_name, b.business_name, pr.nickname)
+          else pr.nickname end))
+    into v_out
+    from public.posts p
+    left join public.public_profiles pr on pr.id = p.user_id
+    left join public.business_profiles b
+      on p.category = 'news' and b.user_id = p.user_id
+    where p.id = v_link.ref_id and p.visibility_status = 'visible';
+    return coalesce(v_out, jsonb_build_object('status', 'not_found'));
+  end if;
+
   return jsonb_build_object('status', 'ok', 'kind', v_link.kind);
 end;
 $$;
@@ -6160,7 +6223,7 @@ CREATE TABLE app.share_links (
     view_count integer DEFAULT 0 NOT NULL,
     revoked_at timestamp with time zone,
     created_at timestamp with time zone DEFAULT now() NOT NULL,
-    CONSTRAINT share_links_kind_check CHECK (((kind)::text = ANY ((ARRAY['facility_preview'::character varying, 'care_report'::character varying, 'starter'::character varying])::text[])))
+    CONSTRAINT share_links_kind_check CHECK (((kind)::text = ANY ((ARRAY['facility_preview'::character varying, 'care_report'::character varying, 'starter'::character varying, 'post'::character varying])::text[])))
 );
 
 
@@ -11011,6 +11074,15 @@ GRANT ALL ON FUNCTION public.create_care_thread(p_pet_label text, p_recipient_ph
 GRANT ALL ON FUNCTION public.create_care_thread(p_pet_label text, p_recipient_phone text) TO service_role;
 
 
+--
+-- Name: FUNCTION create_post_share_link(p_post uuid); Type: ACL; Schema: public; Owner: -
+--
+
+REVOKE ALL ON FUNCTION public.create_post_share_link(p_post uuid) FROM PUBLIC;
+GRANT ALL ON FUNCTION public.create_post_share_link(p_post uuid) TO authenticated;
+GRANT ALL ON FUNCTION public.create_post_share_link(p_post uuid) TO service_role;
+
+
 --
 -- Name: FUNCTION create_post_verified(p_category character varying, p_title character varying, p_content text, p_scheduled_at timestamp with time zone, p_pet_ids uuid[], p_image_url text, p_image_mime character varying, p_image_size integer, p_photo_token uuid, p_actual_lat double precision, p_actual_lng double precision, p_region_code character varying, p_image_thumb_url text); Type: ACL; Schema: public; Owner: -
 --
diff --git a/supabase/tests/t15_post_share_test.sql b/supabase/tests/t15_post_share_test.sql
new file mode 100644
index 0000000..8daf8eb
--- /dev/null
+++ b/supabase/tests/t15_post_share_test.sql
@@ -0,0 +1,74 @@
+-- 게시글 공유 링크 — 발급·재사용·뷰어 로드·로드 시점 가시성 검증.
+begin;
+set local search_path = public, app, extensions;
+\ir helpers/seed.sql
+select plan(6);
+
+create temp table t15 (k text primary key, id uuid not null);
+
+select set_config('request.jwt.claims',
+  json_build_object('sub', (select id from seed where k='owner'), 'tv', 0)::text, true);
+
+-- 시드: owner 의 자유 게시글.
+with p as (
+  insert into public.posts (user_id, category, title, content)
+  select id, 'free', '공유 테스트 글', '본문입니다' from seed where k='owner'
+  returning id
+)
+insert into t15 select 'post', id from p;
+
+-- ① 발급 성공(32자 hex).
+select lives_ok(
+  $$select * from public.create_post_share_link((select id from t15 where k='post'))$$,
+  '공유 링크 발급'
+);
+select is(
+  (select count(*)::int from app.share_links
+    where kind = 'post' and ref_id = (select id from t15 where k='post')
+      and token ~ '^[0-9a-f]{32}$'),
+  1,
+  '게시글당 링크 1개'
+);
+
+-- ② 재호출은 같은 토큰 재사용.
+select is(
+  (select count(*)::int from app.share_links
+    where kind = 'post' and ref_id = (select id from t15 where k='post')
+      and token = (select l.token from public.create_post_share_link(
+                     (select id from t15 where k='post')) l)),
+  1,
+  '유효 링크 재사용'
+);
+
+-- ③ 뷰어 로드 — 제목·작성자 노출.
+select is(
+  (select public.share_view_load(
+     (select token from app.share_links
+       where kind='post' and ref_id=(select id from t15 where k='post')))
+   #>> '{post,title}'),
+  '공유 테스트 글',
+  '뷰어 로드(제목)'
+);
+
+-- ④ 로드 시점 가시성 — 삭제되면 not_found.
+update public.posts
+   set visibility_status = 'deleted_by_user', deleted_at = now()
+ where id = (select id from t15 where k='post');
+select is(
+  (select public.share_view_load(
+     (select token from app.share_links
+       where kind='post' and ref_id=(select id from t15 where k='post')))
+   ->> 'status'),
+  'not_found',
+  '삭제 게시글 뷰어 차단'
+);
+
+-- ⑤ 비가시 게시글엔 신규 발급도 거부.
+select throws_like(
+  $$select * from public.create_post_share_link((select id from t15 where k='post'))$$,
+  '%post_not_found%',
+  '삭제 게시글 발급 거부'
+);
+
+select * from finish();
+rollback;