feat: update post detail page

frontend/wechat/src/api/client.js

@@ -2,7 +2,7 @@ import axios from 'axios';
 
 // Create axios instance with default config
 const client = axios.create({
-    baseURL: '/v1',
+    baseURL: '/',
     timeout: 10000,
     headers: {
         'Content-Type': 'application/json',

frontend/wechat/src/api/post_detail.json

@@ -0,0 +1,17 @@
+{
+    "title": "video1",
+    "description": "hello",
+    "content": "hello world",
+    "price": 100,
+    "discount": 100,
+    "views": 100,
+    "likes": 1000,
+    "tags": [
+        "AAA",
+        "BBB",
+        "CCC"
+    ],
+    "head_images": [
+        "https://assets.jdwan.com/quyun/b55adbd05ee96f5c53f9a19ad89a30cc.jpg?x-oss-credential=LTAI5t86SjiP9zRd3q2w7jQN%2F20250425%2Fcn-beijing%2Foss%2Faliyun_v4_request&x-oss-date=20250425T030400Z&x-oss-expires=300&x-oss-signature=fae33ecfc5cfe6d50de858d89798151b137336e3694bdafad78e1cbdb1ebf1c0&x-oss-signature-version=OSS4-HMAC-SHA256"
+    ]
+}