feat: align frontend languages with posts api

src/mocks/mockPosts.ts

@@ -31,7 +31,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-001",
     categoryId: 1,
     categorySlug: "project",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-001",
@@ -55,7 +55,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-002",
     categoryId: 1,
     categorySlug: "project",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-002",
@@ -79,7 +79,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-013",
     categoryId: 1,
     categorySlug: "project",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-013",
@@ -100,7 +100,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-003",
     categoryId: 2,
     categorySlug: "guide",
-    language: "zh-TW",
+    language: "zh",
     attachments: [
       {
         id: "a-003",
@@ -121,7 +121,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-004",
     categoryId: 2,
     categorySlug: "guide",
-    language: "zh-TW",
+    language: "zh",
     attachments: [
       {
         id: "a-004",
@@ -142,7 +142,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-005",
     categoryId: 3,
     categorySlug: "data",
-    language: "zh-CN",
+    language: "zh",
     text:
       "📊 ARK DeFAI 各大平台现已上线 🔥\n\n" +
       "🔷 市场数据平台\n" +
@@ -163,7 +163,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-006",
     categoryId: 3,
     categorySlug: "data",
-    language: "zh-CN",
+    language: "zh",
     text:
       "📌 收取协议固定 2.5% 手续费。\n\n" +
       "🔷 贡献值合约\n0x7736b5B84cADDB7661D250D10e60E31F3C905c99\n📌 用于新贡献值机制的 USDT 购买与资金流向管理（通缩销毁 / 储备 RBS）",
@@ -178,7 +178,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-007",
     categoryId: 4,
     categorySlug: "videos",
-    language: "zh-CN",
+    language: "zh",
     text: "ARK 山东·东营社区 招商复盘·势位重塑\n🔥 ARK DeFai 相位偏移锁死增值弧度。质能裂变诱发认知风暴，海岱动能正于中原合围！🚀",
     attachments: [
       {
@@ -204,7 +204,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-008",
     categoryId: 5,
     categorySlug: "poster",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-008",
@@ -228,7 +228,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-009",
     categoryId: 5,
     categorySlug: "poster",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-009",
@@ -252,7 +252,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-010",
     categoryId: 6,
     categorySlug: "meeting",
-    language: "zh-CN",
+    language: "zh",
     text: "📌 ARK DeFAI 方舟晨间时刻\n\n🧠 会议主题：市场概况交流 & 市场问题讨论。\n🕙 会议时间：3月1日（日）10:00\n🎬 直播腾讯会议链接：https://meeting.tencent.com/l/G718S4Sedm38",
     attachments: [
       {
@@ -277,7 +277,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-011",
     categoryId: 5,
     categorySlug: "poster",
-    language: "zh-CN",
+    language: "zh",
     attachments: [
       {
         id: "a-011a",
@@ -323,7 +323,7 @@ export const MOCK_POSTS: Post[] = [
     id: "p-012",
     categoryId: 5,
     categorySlug: "poster",
-    language: "zh-CN",
+    language: "zh",
     attachments: Array.from({ length: 7 }).map((_, i) => ({
       id: `a-012-${i}`,
       kind: "image" as const,