feat: 小红书自动评论助手 v1.7.5

- 侧边栏常驻：搜索/自动点击/自动评论全流程
- 4种评论方式：固定池/自定义文字/图片回复/AI按笔记生成
- 按地区搜索、评论记录统计（今日/本月，点击直达笔记）
- CardAuth 授权：1天试用倒计时、卡密激活、购买自动发卡
- 公告推送、安装统计、小红书风格图标

manifest.json

@@ -0,0 +1,42 @@
+{
+  "manifest_version": 3,
+  "name": "小红书自动评论助手",
+  "version": "1.7.5",
+  "description": "右侧侧边栏常驻的自动评论助手，支持试用/卡密授权、固定池/自定义文字/图片/AI评论",
+  "permissions": [
+    "storage",
+    "unlimitedStorage",
+    "activeTab",
+    "scripting",
+    "tabs",
+    "sidePanel",
+    "alarms"
+  ],
+  "host_permissions": [
+    "https://www.xiaohongshu.com/*",
+    "https://*/*",
+    "http://*/*"
+  ],
+  "action": {
+    "default_title": "打开小红书自动评论助手侧边栏"
+  },
+  "side_panel": {
+    "default_path": "sidepanel.html"
+  },
+  "content_scripts": [
+    {
+      "matches": ["https://www.xiaohongshu.com/*"],
+      "js": ["content.js"],
+      "css": ["content.css"]
+    }
+  ],
+  "background": {
+    "service_worker": "background.js"
+  },
+  "icons": {
+    "16": "icons/icon16.png",
+    "32": "icons/icon32.png", 
+    "48": "icons/icon48.png",
+    "128": "icons/icon128.png"
+  }
+}