feat: 增加获取图片源地址功能

entrypoints/content.ts

@@ -9,15 +9,12 @@ export default defineContentScript({
 
     const collector = new PinCollector();
     // 首次加载自动收集并存储
-    const pins = collector.collect();
-    if (pins.length > 0) {
-      collector.saveToStorage();
-    }
+
     // 允许 popup 主动触发重新收集
     browser.runtime.onMessage.addListener((msg, sender, sendResponse) => {
       if (msg.type === 'COLLECT_PINS') {
-        const updatedPins = collector.collect();
-        sendResponse({ success: true, count: updatedPins.length });
+        const pins = collector.collect();
+        sendResponse({ success: true, count: pins.length, pins });
         return true; // 异步响应
       }
     });