feat(chat): enhance chat functionality with web search and article integration

- Updated ChatMessage and ChatWindow components to support inline web search results and articles.
- Integrated new web search and RSS plugins into the chat system for real-time information retrieval.
- Enhanced useContentPanel to manage web search results alongside existing media types.
- Added ArticleOverlay component for displaying selected articles from search results.
- Improved UI elements and styles for better user interaction with web search features.

Made-with: Cursor

packages/app/src/stores/articleOverlay.ts

@@ -0,0 +1,37 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+const SAFE_URL_SCHEME = /^https?:\/\//i
+
+export const useArticleOverlayStore = defineStore('articleOverlay', () => {
+  const isOpen = ref(false)
+  const url = ref<string | null>(null)
+  const title = ref('')
+  const content = ref<string | null>(null)
+  const imgSrc = ref<string | null>(null)
+
+  function open(articleUrl: string, articleTitle = '', articleContent?: string, articleImgSrc?: string) {
+    const trimmed = String(articleUrl ?? '').trim()
+    if (!SAFE_URL_SCHEME.test(trimmed)) return
+    try {
+      new URL(trimmed)
+    } catch {
+      return
+    }
+    url.value = trimmed
+    title.value = String(articleTitle ?? 'Article').slice(0, 200)
+    content.value = typeof articleContent === 'string' && articleContent.trim().length > 0 ? articleContent.trim() : null
+    imgSrc.value = typeof articleImgSrc === 'string' && articleImgSrc.trim().length > 0 ? articleImgSrc.trim() : null
+    isOpen.value = true
+  }
+
+  function close() {
+    isOpen.value = false
+    url.value = null
+    title.value = ''
+    content.value = null
+    imgSrc.value = null
+  }
+
+  return { isOpen, url, title, content, imgSrc, open, close }
+})