feat: add URL content extraction for AI diagram generation

lib/i18n/dictionaries/en.json

@@ -51,7 +51,8 @@
         "badResponse": "Bad response",
         "clickToEdit": "Click to edit",
         "editMessage": "Edit message",
-        "saveAndSubmit": "Save & Submit"
+        "saveAndSubmit": "Save & Submit",
+        "ExtractURL": "Extract from URL"
     },
     "examples": {
         "title": "Create diagrams with AI",
@@ -186,6 +187,13 @@
         "chars": "chars",
         "removeFile": "Remove file"
     },
+    "pdf": {
+        "title": "Extract Content from URL",
+        "description": "Paste a URL to extract and analyze its content",
+        "Extracting": "Extracting...",
+        "extract": "Extract",
+        "Cancel": "Cancel"
+    },
     "reasoning": {
         "thinking": "Thinking...",
         "thoughtFor": "Thought for {duration} seconds",

lib/i18n/dictionaries/ja.json

@@ -51,7 +51,8 @@
         "badResponse": "悪い応答",
         "clickToEdit": "クリックして編集",
         "editMessage": "メッセージを編集",
-        "saveAndSubmit": "保存して送信"
+        "saveAndSubmit": "保存して送信",
+        "ExtractURL": "URLから抽出"
     },
     "examples": {
         "title": "AI でダイアグラムを作成",
@@ -186,6 +187,13 @@
         "chars": "文字",
         "removeFile": "ファイルを削除"
     },
+    "pdf": {
+        "title": "URLからコンテンツを抽出",
+        "description": "URLを貼り付けてそのコンテンツを抽出および分析します",
+        "Extracting": "抽出中...",
+        "extract": "抽出",
+        "Cancel": "キャンセル"
+    },
     "reasoning": {
         "thinking": "考え中...",
         "thoughtFor": "{duration} 秒考えました",

lib/i18n/dictionaries/zh.json

@@ -51,7 +51,8 @@
         "badResponse": "无帮助",
         "clickToEdit": "点击编辑",
         "editMessage": "编辑消息",
-        "saveAndSubmit": "保存并提交"
+        "saveAndSubmit": "保存并提交",
+        "ExtractURL": "从 URL 提取"
     },
     "examples": {
         "title": "用 AI 创建图表",
@@ -186,6 +187,13 @@
         "chars": "字符",
         "removeFile": "移除文件"
     },
+    "pdf": {
+        "title": "从 URL 提取内容",
+        "description": "粘贴 URL 以提取和分析其内容",
+        "Extracting": "提取中...",
+        "extract": "提取",
+        "Cancel": "取消"
+    },
     "reasoning": {
         "thinking": "思考中...",
         "thoughtFor": "思考了 {duration} 秒",

lib/url-utils.ts

@@ -0,0 +1,29 @@
+export interface UrlData {
+    url: string
+    title: string
+    content: string
+    charCount: number
+    isExtracting: boolean
+}
+
+export async function extractUrlContent(url: string): Promise<UrlData> {
+    const response = await fetch("/api/parse-url", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ url }),
+    })
+
+    if (!response.ok) {
+        const error = await response.json().catch(() => null)
+        throw new Error(error?.error || "Failed to extract URL content")
+    }
+
+    const data = await response.json()
+    return {
+        url,
+        title: data.title,
+        content: data.content,
+        charCount: data.charCount,
+        isExtracting: false,
+    }
+}