fix: improve Kimi K2.5 image support logic and add tests

- Only block kimi-k2 specifically, not all Kimi models - Add unit test for kimi-k2.5 image support
fix: enable image support for Kimi K2.5 model
2026-09-01 17:10:24 +08:00 · 2026-02-02 00:05:50 +09:00 · 2026-02-01 23:14:56 +09:00 · 2026-01-30 14:05:16 +09:00 · 2026-01-30 11:22:53 +09:00 · 2026-01-30 09:40:32 +08:00
47 changed files with 1468 additions and 1216 deletions
--- a/.github/workflows/electron-release.yml
+++ b/.github/workflows/electron-release.yml
@@ -34,6 +34,15 @@ jobs:
          node-version: 24
          cache: "npm"

+      - name: Download draw.io static files for offline use
+        run: |
+          rm -rf public/drawio
+          git clone --depth 1 --branch v29.3.5 https://github.com/jgraph/drawio.git /tmp/drawio
+          mkdir -p public/drawio
+          cp -r /tmp/drawio/src/main/webapp/* public/drawio/
+          rm -rf public/drawio/WEB-INF
+          rm -rf public/drawio/META-INF
+
      - name: Install dependencies
        run: npm install

@@ -57,6 +66,16 @@ jobs:
          node-version: 24
          cache: "npm"

+      - name: Download draw.io static files for offline use
+        shell: bash
+        run: |
+          rm -rf public/drawio
+          git clone --depth 1 --branch v29.3.5 https://github.com/jgraph/drawio.git /tmp/drawio
+          mkdir -p public/drawio
+          cp -r /tmp/drawio/src/main/webapp/* public/drawio/
+          rm -rf public/drawio/WEB-INF
+          rm -rf public/drawio/META-INF
+
      - name: Install dependencies
        run: npm install

@@ -80,7 +99,7 @@ jobs:
          api-token: ${{ secrets.SIGNPATH_API_TOKEN }}
          organization-id: '880a211d-2cd3-4e7b-8d04-3d1f8eb39df5'
          project-slug: 'next-ai-draw-io'
-          signing-policy-slug: 'test-signing'
+          signing-policy-slug: 'release-signing'
          artifact-configuration-slug: 'windows-exe'
          github-artifact-id: ${{ steps.upload-unsigned.outputs.artifact-id }}
          wait-for-completion: true
--- a/.gitignore
+++ b/.gitignore
@@ -56,6 +56,8 @@ push-via-ec2.sh
 /dist-electron/
 /release/
 /electron-standalone/
+# Draw.io static files (downloaded during CI build)
+public/drawio/
 *.dmg
 *.exe
 *.AppImage
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ English | [中文](./docs/cn/README_CN.md) | [日本語](./docs/ja/README_JA.md)

 A Next.js web application that integrates AI capabilities with draw.io diagrams. Create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.

-> Note: Thanks to <img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) sponsorship, the demo site now uses the powerful K2-thinking model!
+> Note: Thanks to <img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) sponsorship, the demo site now uses the powerful K2-thinking model!


 https://github.com/user-attachments/assets/9d60a3e8-4a1c-4b5e-acbb-26af2d3eabd1
@@ -202,7 +202,7 @@ See the [Next.js deployment documentation](https://nextjs.org/docs/app/building-

 ## Multi-Provider Support

-   [ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
+-   [ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
 -   AWS Bedrock (default)
 -   OpenAI
 -   Anthropic
@@ -244,7 +244,7 @@ Diagrams are represented as XML that can be rendered in draw.io. The AI processe

 ## Support & Contact

-**Special thanks to [ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) for sponsoring the API token usage of the demo site!** Register on the ARK platform to get 500K free tokens for all models!
+**Special thanks to [ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) for sponsoring the API token usage of the demo site!** Register on the ARK platform to get 500K free tokens for all models!

 If you find this project useful, please consider [sponsoring](https://github.com/sponsors/DayuanJiang) to help me host the live demo site!

--- a/app/[lang]/about/cn/page.tsx
+++ b/app/[lang]/about/cn/page.tsx
@@ -1,7 +1,7 @@
 import type { Metadata } from "next"
-import Image from "next/image"
 import Link from "next/link"
 import { FaGithub } from "react-icons/fa"
+import Image from "@/components/image-with-basepath"

 export const metadata: Metadata = {
    title: "关于 - Next AI Draw.io",
@@ -78,7 +78,7 @@ export default function AboutCN() {
                                <p>
                                    好消息！感谢{" "}
                                    <a
-                                        href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                        href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                        target="_blank"
                                        rel="noopener noreferrer"
                                        className="font-semibold text-blue-600 hover:underline"
@@ -277,7 +277,7 @@ export default function AboutCN() {
                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
                        <li>
                            <a
-                                href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                target="_blank"
                                rel="noopener noreferrer"
                                className="text-blue-600 hover:underline"
@@ -312,7 +312,7 @@ export default function AboutCN() {
                    <p className="text-gray-700 mb-4 font-semibold">
                        特别感谢{" "}
                        <a
-                            href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                            href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                            target="_blank"
                            rel="noopener noreferrer"
                            className="text-blue-600 hover:underline"
--- a/app/[lang]/about/ja/page.tsx
+++ b/app/[lang]/about/ja/page.tsx
@@ -1,7 +1,7 @@
 import type { Metadata } from "next"
-import Image from "next/image"
 import Link from "next/link"
 import { FaGithub } from "react-icons/fa"
+import Image from "@/components/image-with-basepath"

 export const metadata: Metadata = {
    title: "概要 - Next AI Draw.io",
@@ -86,7 +86,7 @@ export default function AboutJA() {
                                <p>
                                    朗報です！
                                    <a
-                                        href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                        href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                        target="_blank"
                                        rel="noopener noreferrer"
                                        className="font-semibold text-blue-600 hover:underline"
@@ -292,7 +292,7 @@ export default function AboutJA() {
                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
                        <li>
                            <a
-                                href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                target="_blank"
                                rel="noopener noreferrer"
                                className="text-blue-600 hover:underline"
@@ -327,7 +327,7 @@ export default function AboutJA() {
                    <p className="text-gray-700 mb-4 font-semibold">
                        デモサイトのAPIトークン使用を支援してくださった{" "}
                        <a
-                            href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                            href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                            target="_blank"
                            rel="noopener noreferrer"
                            className="text-blue-600 hover:underline"
--- a/app/[lang]/about/page.tsx
+++ b/app/[lang]/about/page.tsx
@@ -1,7 +1,7 @@
 import type { Metadata } from "next"
-import Image from "next/image"
 import Link from "next/link"
 import { FaGithub } from "react-icons/fa"
+import Image from "@/components/image-with-basepath"

 export const metadata: Metadata = {
    title: "About - Next AI Draw.io",
@@ -87,7 +87,7 @@ export default function About() {
                                    Great news! Thanks to the generous
                                    sponsorship from{" "}
                                    <a
-                                        href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                        href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                        target="_blank"
                                        rel="noopener noreferrer"
                                        className="font-semibold text-blue-600 hover:underline"
@@ -311,7 +311,7 @@ export default function About() {
                    <ul className="list-disc pl-6 text-gray-700 space-y-1">
                        <li>
                            <a
-                                href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                                href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                                target="_blank"
                                rel="noopener noreferrer"
                                className="text-blue-600 hover:underline"
@@ -348,7 +348,7 @@ export default function About() {
                    <p className="text-gray-700 mb-4 font-semibold">
                        Special thanks to{" "}
                        <a
-                            href="https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
+                            href="https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project"
                            target="_blank"
                            rel="noopener noreferrer"
                            className="text-blue-600 hover:underline"
--- a/app/[lang]/layout.tsx
+++ b/app/[lang]/layout.tsx
@@ -41,19 +41,24 @@ export async function generateMetadata({
    params: Promise<{ lang: string }>
 }): Promise<Metadata> {
    const { lang: rawLang } = await params
-    const lang = (rawLang in { en: 1, zh: 1, ja: 1 } ? rawLang : "en") as Locale
+    const lang = (
+        rawLang in { en: 1, zh: 1, ja: 1, "zh-Hant": 1 } ? rawLang : "en"
+    ) as Locale

    // Default to English metadata
    const titles: Record<Locale, string> = {
        en: "Next AI Draw.io - AI-Powered Diagram Generator",
        zh: "Next AI Draw.io - AI powered diagram generator",
        ja: "Next AI Draw.io - AI-powered diagram generator",
+        "zh-Hant": "Next AI Draw.io - AI 驅動的圖表產生器",
    }

    const descriptions: Record<Locale, string> = {
        en: "Create AWS architecture diagrams, flowcharts, and technical diagrams using AI. Free online tool integrating draw.io with AI assistance for professional diagram creation.",
        zh: "Use AI to create AWS architecture diagrams, flowcharts, and technical diagrams. Free online tool integrated with draw.io and AI assistance for professional diagram creation.",
        ja: "Create AWS architecture diagrams, flowcharts, and technical diagrams using AI. Create professional diagrams with a free online tool that integrates draw.io with an AI assistant.",
+        "zh-Hant":
+            "使用 AI 建立 AWS 架構圖、流程圖和技術圖表。免費線上工具整合 draw.io 與 AI 輔助，輕鬆建立專業圖表。",
    }

    return {
@@ -80,7 +85,14 @@ export async function generateMetadata({
            type: "website",
            url: "https://next-ai-drawio.jiang.jp",
            siteName: "Next AI Draw.io",
-            locale: lang === "zh" ? "zh_CN" : lang === "ja" ? "ja_JP" : "en_US",
+            locale:
+                lang === "zh"
+                    ? "zh_CN"
+                    : lang === "zh-Hant"
+                      ? "zh_HK"
+                      : lang === "ja"
+                        ? "ja_JP"
+                        : "en_US",
            images: [
                {
                    url: "/architecture.png",
@@ -115,6 +127,7 @@ export async function generateMetadata({
                en: "/en",
                zh: "/zh",
                ja: "/ja",
+                "zh-Hant": "/zh-Hant",
            },
        },
    }
--- a/app/[lang]/page.tsx
+++ b/app/[lang]/page.tsx
@@ -12,9 +12,6 @@ import {
 import { useDiagram } from "@/contexts/diagram-context"
 import { i18n, type Locale } from "@/lib/i18n/config"

-const drawioBaseUrl =
-    process.env.NEXT_PUBLIC_DRAWIO_BASE_URL || "https://embed.diagrams.net"
-
 export default function Home() {
    const { drawioRef, handleDiagramExport, onDrawioLoad, resetDrawioReady } =
        useDiagram()
@@ -28,6 +25,10 @@ export default function Home() {
    const [darkMode, setDarkMode] = useState(false)
    const [isLoaded, setIsLoaded] = useState(false)
    const [isDrawioReady, setIsDrawioReady] = useState(false)
+    const [isElectron, setIsElectron] = useState(false)
+    const [drawioBaseUrl, setDrawioBaseUrl] = useState(
+        process.env.NEXT_PUBLIC_DRAWIO_BASE_URL || "https://embed.diagrams.net",
+    )

    const chatPanelRef = useRef<ImperativePanelHandle>(null)
    const isMobileRef = useRef(false)
@@ -64,6 +65,17 @@ export default function Home() {
            document.documentElement.classList.toggle("dark", prefersDark)
        }

+        // Detect Electron and use bundled draw.io files for offline use
+        // Note: react-drawio uses `new URL(baseUrl)` so we need absolute URL
+        // Include /index.html because Next.js doesn't auto-serve index.html for directories
+        const electronDetected =
+            !process.env.NEXT_PUBLIC_DRAWIO_BASE_URL &&
+            !!(window as unknown as { electronAPI?: unknown }).electronAPI
+        if (electronDetected) {
+            setIsElectron(true)
+            setDrawioBaseUrl(`${window.location.origin}/drawio/index.html`)
+        }
+
        setIsLoaded(true)
    }, [pathname, router])

@@ -160,7 +172,7 @@ export default function Home() {
                                    className={`h-full w-full ${isDrawioReady ? "" : "invisible absolute inset-0"}`}
                                >
                                    <DrawIoEmbed
-                                        key={`${drawioUi}-${darkMode}-${currentLang}`}
+                                        key={`${drawioUi}-${darkMode}-${currentLang}-${isElectron}`}
                                        ref={drawioRef}
                                        onExport={handleDiagramExport}
                                        onLoad={handleDrawioLoad}
@@ -174,6 +186,10 @@ export default function Home() {
                                            noExitBtn: true,
                                            dark: darkMode,
                                            lang: currentLang,
+                                            // Enable offline mode in Electron to disable external service calls
+                                            ...(isElectron && {
+                                                offline: true,
+                                            }),
                                        }}
                                    />
                                </div>
--- a/app/api/chat/route.ts
+++ b/app/api/chat/route.ts
@@ -449,6 +449,7 @@ ${userInputText}

    const result = streamText({
        model,
+        abortSignal: req.signal,
        ...(process.env.MAX_OUTPUT_TOKENS && {
            maxOutputTokens: parseInt(process.env.MAX_OUTPUT_TOKENS, 10),
        }),
--- a/components/chat-input.tsx
+++ b/components/chat-input.tsx
@@ -7,6 +7,7 @@ import {
    Link,
    Loader2,
    Send,
+    Square,
 } from "lucide-react"
 import type React from "react"
 import {
@@ -154,6 +155,7 @@ interface ChatInputProps {
    status: "submitted" | "streaming" | "ready" | "error"
    onSubmit: (e: React.FormEvent<HTMLFormElement>) => void
    onChange: (e: React.ChangeEvent<HTMLTextAreaElement>) => void
+    onStop?: () => void
    files?: File[]
    onFileChange?: (files: File[]) => void
    pdfData?: Map<
@@ -170,7 +172,6 @@ interface ChatInputProps {
    selectedModelId?: string
    onModelSelect?: (modelId: string | undefined) => void
    showUnvalidatedModels?: boolean
-    onConfigureModels?: () => void
    // Focus control props
    shouldFocus?: boolean
    onFocused?: () => void
@@ -183,6 +184,7 @@ export const ChatInput = forwardRef<ChatInputRef, ChatInputProps>(
            status,
            onSubmit,
            onChange,
+            onStop,
            files = [],
            onFileChange = () => {},
            pdfData = new Map(),
@@ -194,7 +196,6 @@ export const ChatInput = forwardRef<ChatInputRef, ChatInputProps>(
            selectedModelId,
            onModelSelect = () => {},
            showUnvalidatedModels = false,
-            onConfigureModels = () => {},
            shouldFocus = false,
            onFocused,
        },
@@ -550,29 +551,34 @@ export const ChatInput = forwardRef<ChatInputRef, ChatInputProps>(
                            models={models}
                            selectedModelId={selectedModelId}
                            onSelect={onModelSelect}
-                            onConfigure={onConfigureModels}
                            disabled={isDisabled}
                            showUnvalidatedModels={showUnvalidatedModels}
                        />
                        <div className="w-px h-5 bg-border mx-1" />
-                        <Button
-                            type="submit"
-                            disabled={isDisabled || !input.trim()}
-                            size="sm"
-                            className="h-8 px-4 rounded-xl font-medium shadow-sm"
-                            aria-label={
-                                isDisabled ? dict.chat.sending : dict.chat.send
-                            }
-                        >
-                            {isDisabled ? (
-                                <Loader2 className="h-4 w-4 animate-spin" />
-                            ) : (
-                                <>
-                                    <Send className="h-4 w-4 mr-1.5" />
-                                    {dict.chat.send}
-                                </>
-                            )}
-                        </Button>
+                        {(status === "streaming" || status === "submitted") &&
+                        onStop ? (
+                            <Button
+                                type="button"
+                                onClick={onStop}
+                                size="sm"
+                                variant="destructive"
+                                className="h-8 w-8 p-0 rounded-xl shadow-sm"
+                                aria-label={dict.chat.stopGeneration}
+                            >
+                                <Square className="h-4 w-4" />
+                            </Button>
+                        ) : (
+                            <Button
+                                type="submit"
+                                disabled={isDisabled || !input.trim()}
+                                size="sm"
+                                className="h-8 px-4 rounded-xl font-medium shadow-sm"
+                                aria-label={dict.chat.send}
+                            >
+                                <Send className="h-4 w-4 mr-1.5" />
+                                {dict.chat.send}
+                            </Button>
+                        )}
                    </div>
                </div>
                <HistoryDialog
--- a/components/chat-message-display.tsx
+++ b/components/chat-message-display.tsx
@@ -9,13 +9,13 @@ import {
    Copy,
    FileCode,
    FileText,
+    Link,
    Pencil,
    RotateCcw,
    ThumbsDown,
    ThumbsUp,
    X,
 } from "lucide-react"
-import Image from "next/image"
 import type { MutableRefObject } from "react"
 import { useCallback, useEffect, useRef, useState } from "react"
 import ReactMarkdown from "react-markdown"
@@ -30,6 +30,7 @@ import { ToolCallCard } from "@/components/chat/ToolCallCard"
 import type { DiagramOperation, ToolPartLike } from "@/components/chat/types"
 import type { ValidationState } from "@/components/chat/ValidationCard"
 import { ValidationCard } from "@/components/chat/ValidationCard"
+import Image from "@/components/image-with-basepath"
 import { ScrollArea } from "@/components/ui/scroll-area"
 import { useDictionary } from "@/hooks/use-dictionary"
 import { getApiEndpoint } from "@/lib/base-path"
@@ -59,20 +60,20 @@ function getCompleteOperations(

 import { useDiagram } from "@/contexts/diagram-context"

-// Helper to split text content into regular text and file sections (PDF or text files)
+// Helper to split text content into regular text and file/URL sections (PDF, text files, or URLs)
 interface TextSection {
-    type: "text" | "file"
+    type: "text" | "file" | "url"
    content: string
    filename?: string
    charCount?: number
-    fileType?: "pdf" | "text"
+    fileType?: "pdf" | "text" | "url"
 }

 function splitTextIntoFileSections(text: string): TextSection[] {
    const sections: TextSection[] = []
-    // Match [PDF: filename] or [File: filename] patterns
+    // Match [PDF: filename], [File: filename], or [URL: url] patterns
    const filePattern =
-        /\[(PDF|File):\s*([^\]]+)\]\n([\s\S]*?)(?=\n\n\[(PDF|File):|$)/g
+        /\[(PDF|File|URL):\s*([^\]]+)\]\n([\s\S]*?)(?=\n\n\[(PDF|File|URL):|$)/g
    let lastIndex = 0
    let match

@@ -83,28 +84,34 @@ function splitTextIntoFileSections(text: string): TextSection[] {
            sections.push({ type: "text", content: beforeText })
        }

-        // Add file section
-        const fileType = match[1].toLowerCase() === "pdf" ? "pdf" : "text"
+        // Add file/url section
+        const sectionType = match[1].toLowerCase()
+        const fileType =
+            sectionType === "pdf"
+                ? "pdf"
+                : sectionType === "url"
+                  ? "url"
+                  : "text"
        const filename = match[2].trim()
-        const fileContent = match[3].trim()
+        const content = match[3].trim()
        sections.push({
-            type: "file",
-            content: fileContent,
+            type: sectionType === "url" ? "url" : "file",
+            content: content,
            filename,
-            charCount: fileContent.length,
+            charCount: content.length,
            fileType,
        })

        lastIndex = match.index + match[0].length
    }

-    // Add remaining text after last file section
+    // Add remaining text after last section
    const remainingText = text.slice(lastIndex).trim()
    if (remainingText) {
        sections.push({ type: "text", content: remainingText })
    }

-    // If no file sections found, return original text
+    // If no file/url sections found, return original text
    if (sections.length === 0) {
        sections.push({ type: "text", content: text })
    }
@@ -123,8 +130,8 @@ const getMessageTextContent = (message: UIMessage): string => {
 // Get only the user's original text, excluding appended file content
 const getUserOriginalText = (message: UIMessage): string => {
    const fullText = getMessageTextContent(message)
-    // Strip out [PDF: ...] and [File: ...] sections that were appended
-    const filePattern = /\n\n\[(PDF|File):\s*[^\]]+\]\n[\s\S]*$/
+    // Strip out [PDF: ...], [File: ...], and [URL: ...] sections that were appended
+    const filePattern = /\n\n\[(PDF|File|URL):\s*[^\]]+\]\n[\s\S]*$/
    return fullText.replace(filePattern, "").trim()
 }

@@ -1084,12 +1091,14 @@ export function ChatMessageDisplay({
                                                                                    ) => {
                                                                                        if (
                                                                                            section.type ===
-                                                                                            "file"
+                                                                                                "file" ||
+                                                                                            section.type ===
+                                                                                                "url"
                                                                                        ) {
-                                                                                            const pdfKey = `${message.id}-file-${partIndex}-${sectionIndex}`
+                                                                                            const sectionKey = `${message.id}-${section.type}-${partIndex}-${sectionIndex}`
                                                                                            const isExpanded =
                                                                                                expandedPdfSections[
-                                                                                                    pdfKey
+                                                                                                    sectionKey
                                                                                                ] ??
                                                                                                false
                                                                                            const charDisplay =
@@ -1098,10 +1107,27 @@ export function ChatMessageDisplay({
                                                                                                    1000
                                                                                                    ? `${(section.charCount / 1000).toFixed(1)}k`
                                                                                                    : section.charCount
+
+                                                                                            // Icon selector
+                                                                                            const Icon =
+                                                                                                section.fileType ===
+                                                                                                "pdf"
+                                                                                                    ? FileText
+                                                                                                    : section.fileType ===
+                                                                                                        "url"
+                                                                                                      ? Link
+                                                                                                      : FileCode
+
+                                                                                            const iconColor =
+                                                                                                section.fileType ===
+                                                                                                "pdf"
+                                                                                                    ? "text-red-500"
+                                                                                                    : "text-blue-700"
+
                                                                                            return (
                                                                                                <div
                                                                                                    key={
-                                                                                                        pdfKey
+                                                                                                        sectionKey
                                                                                                    }
                                                                                                    className="rounded-lg border border-border/60 bg-muted/30 overflow-hidden"
                                                                                                >
@@ -1116,7 +1142,7 @@ export function ChatMessageDisplay({
                                                                                                                    prev,
                                                                                                                ) => ({
                                                                                                                    ...prev,
-                                                                                                                    [pdfKey]:
+                                                                                                                    [sectionKey]:
                                                                                                                        !isExpanded,
                                                                                                                }),
                                                                                                            )
@@ -1124,13 +1150,10 @@ export function ChatMessageDisplay({
                                                                                                        className="w-full flex items-center justify-between px-3 py-2 hover:bg-muted/50 transition-colors"
                                                                                                    >
                                                                                                        <div className="flex items-center gap-2">
-                                                                                                            {section.fileType ===
-                                                                                                            "pdf" ? (
-                                                                                                                <FileText className="h-4 w-4 text-red-500" />
-                                                                                                            ) : (
-                                                                                                                <FileCode className="h-4 w-4 text-blue-500" />
-                                                                                                            )}
-                                                                                                            <span className="text-xs font-medium">
+                                                                                                            <Icon
+                                                                                                                className={`h-4 w-4 ${iconColor}`}
+                                                                                                            />
+                                                                                                            <span className="text-xs font-medium truncate max-w-[200px]">
                                                                                                                {
                                                                                                                    section.filename
                                                                                                                }
--- a/components/chat-panel.tsx
+++ b/components/chat-panel.tsx
@@ -8,8 +8,7 @@ import {
    PanelRightOpen,
    Settings,
 } from "lucide-react"
-import Image from "next/image"
-import { useRouter, useSearchParams } from "next/navigation"
+import { usePathname, useRouter, useSearchParams } from "next/navigation"
 import type React from "react"
 import {
    useCallback,
@@ -22,6 +21,7 @@ import { flushSync } from "react-dom"
 import { Toaster, toast } from "sonner"
 import { ButtonWithTooltip } from "@/components/button-with-tooltip"
 import { ChatInput } from "@/components/chat-input"
+import Image from "@/components/image-with-basepath"
 import { ModelConfigDialog } from "@/components/model-config-dialog"
 import { SettingsDialog } from "@/components/settings-dialog"
 import { useDiagram } from "@/contexts/diagram-context"
@@ -131,6 +131,7 @@ export default function ChatPanel({

    const dict = useDictionary()
    const router = useRouter()
+    const pathname = usePathname()
    const searchParams = useSearchParams()
    const urlSessionId = searchParams.get("session")

@@ -339,151 +340,155 @@ export default function ChatPanel({
        onValidationStateChange: handleValidationStateChange,
    })

-    const { messages, sendMessage, addToolOutput, status, error, setMessages } =
-        useChat({
-            transport: new DefaultChatTransport({
-                api: getApiEndpoint("/api/chat"),
-            }),
-            onToolCall: async ({ toolCall }) => {
-                await handleToolCall({ toolCall }, addToolOutput)
-            },
-            onError: (error) => {
-                // Handle server-side quota limit (429 response)
-                // AI SDK puts the full response body in error.message for non-OK responses
-                try {
-                    const data = JSON.parse(error.message)
-                    if (data.type === "request") {
-                        quotaManager.showQuotaLimitToast(data.used, data.limit)
-                        return
-                    }
-                    if (data.type === "token") {
-                        quotaManager.showTokenLimitToast(data.used, data.limit)
-                        return
-                    }
-                    if (data.type === "tpm") {
-                        quotaManager.showTPMLimitToast(data.limit)
-                        return
-                    }
-                } catch {
-                    // Not JSON, fall through to string matching for backwards compatibility
+    const {
+        messages,
+        sendMessage,
+        addToolOutput,
+        status,
+        error,
+        setMessages,
+        stop,
+    } = useChat({
+        transport: new DefaultChatTransport({
+            api: getApiEndpoint("/api/chat"),
+        }),
+        onToolCall: async ({ toolCall }) => {
+            await handleToolCall({ toolCall }, addToolOutput)
+        },
+        onError: (error) => {
+            // Handle server-side quota limit (429 response)
+            // AI SDK puts the full response body in error.message for non-OK responses
+            try {
+                const data = JSON.parse(error.message)
+                if (data.type === "request") {
+                    quotaManager.showQuotaLimitToast(data.used, data.limit)
+                    return
                }
+                if (data.type === "token") {
+                    quotaManager.showTokenLimitToast(data.used, data.limit)
+                    return
+                }
+                if (data.type === "tpm") {
+                    quotaManager.showTPMLimitToast(data.limit)
+                    return
+                }
+            } catch {
+                // Not JSON, fall through to string matching for backwards compatibility
+            }

-                // Fallback to string matching
-                if (error.message.includes("Daily request limit")) {
-                    quotaManager.showQuotaLimitToast()
-                    return
-                }
-                if (error.message.includes("Daily token limit")) {
-                    quotaManager.showTokenLimitToast()
-                    return
+            // Fallback to string matching
+            if (error.message.includes("Daily request limit")) {
+                quotaManager.showQuotaLimitToast()
+                return
+            }
+            if (error.message.includes("Daily token limit")) {
+                quotaManager.showTokenLimitToast()
+                return
+            }
+            if (
+                error.message.includes("Rate limit exceeded") ||
+                error.message.includes("tokens per minute")
+            ) {
+                quotaManager.showTPMLimitToast()
+                return
+            }
+
+            // Silence access code error in console since it's handled by UI
+            if (!error.message.includes("Invalid or missing access code")) {
+                console.error("Chat error:", error)
+            }
+
+            // Translate technical errors into user-friendly messages
+            // The server now handles detailed error messages, so we can display them directly.
+            // But we still handle connection/network errors that happen before reaching the server.
+            let friendlyMessage = error.message
+
+            // Simple check for network errors if message is generic
+            if (friendlyMessage === "Failed to fetch") {
+                friendlyMessage = "Network error. Please check your connection."
+            }
+
+            // Truncated tool input error (model output limit too low)
+            if (friendlyMessage.includes("toolUse.input is invalid")) {
+                friendlyMessage =
+                    "Output was truncated before the diagram could be generated. Try a simpler request or increase the maxOutputLength."
+            }
+
+            // Translate image not supported error
+            if (
+                friendlyMessage.includes("image content block") ||
+                friendlyMessage.toLowerCase().includes("image_url")
+            ) {
+                friendlyMessage = "This model doesn't support image input."
+            }
+
+            // Add system message for error so it can be cleared
+            setMessages((currentMessages) => {
+                const errorMessage = {
+                    id: `error-${Date.now()}`,
+                    role: "system" as const,
+                    content: friendlyMessage,
+                    parts: [{ type: "text" as const, text: friendlyMessage }],
                }
+                return [...currentMessages, errorMessage]
+            })
+
+            if (error.message.includes("Invalid or missing access code")) {
+                // Show settings dialog to help user fix it
+                setShowSettingsDialog(true)
+            }
+        },
+        onFinish: () => {},
+        sendAutomaticallyWhen: ({ messages }) => {
+            const isInContinuationMode = partialXmlRef.current.length > 0
+
+            const shouldRetry = hasToolErrors(
+                messages as unknown as ChatMessage[],
+            )
+
+            if (!shouldRetry) {
+                // No error, reset retry count and clear state
+                autoRetryCountRef.current = 0
+                continuationRetryCountRef.current = 0
+                partialXmlRef.current = ""
+                return false
+            }
+
+            // Continuation mode: limited retries for truncation handling
+            if (isInContinuationMode) {
                if (
-                    error.message.includes("Rate limit exceeded") ||
-                    error.message.includes("tokens per minute")
+                    continuationRetryCountRef.current >=
+                    MAX_CONTINUATION_RETRY_COUNT
                ) {
-                    quotaManager.showTPMLimitToast()
-                    return
-                }
-
-                // Silence access code error in console since it's handled by UI
-                if (!error.message.includes("Invalid or missing access code")) {
-                    console.error("Chat error:", error)
-                }
-
-                // Translate technical errors into user-friendly messages
-                // The server now handles detailed error messages, so we can display them directly.
-                // But we still handle connection/network errors that happen before reaching the server.
-                let friendlyMessage = error.message
-
-                // Simple check for network errors if message is generic
-                if (friendlyMessage === "Failed to fetch") {
-                    friendlyMessage =
-                        "Network error. Please check your connection."
-                }
-
-                // Truncated tool input error (model output limit too low)
-                if (friendlyMessage.includes("toolUse.input is invalid")) {
-                    friendlyMessage =
-                        "Output was truncated before the diagram could be generated. Try a simpler request or increase the maxOutputLength."
-                }
-
-                // Translate image not supported error
-                if (
-                    friendlyMessage.includes("image content block") ||
-                    friendlyMessage.toLowerCase().includes("image_url")
-                ) {
-                    friendlyMessage = "This model doesn't support image input."
-                }
-
-                // Add system message for error so it can be cleared
-                setMessages((currentMessages) => {
-                    const errorMessage = {
-                        id: `error-${Date.now()}`,
-                        role: "system" as const,
-                        content: friendlyMessage,
-                        parts: [
-                            { type: "text" as const, text: friendlyMessage },
-                        ],
-                    }
-                    return [...currentMessages, errorMessage]
-                })
-
-                if (error.message.includes("Invalid or missing access code")) {
-                    // Show settings dialog to help user fix it
-                    setShowSettingsDialog(true)
-                }
-            },
-            onFinish: () => {},
-            sendAutomaticallyWhen: ({ messages }) => {
-                const isInContinuationMode = partialXmlRef.current.length > 0
-
-                const shouldRetry = hasToolErrors(
-                    messages as unknown as ChatMessage[],
-                )
-
-                if (!shouldRetry) {
-                    // No error, reset retry count and clear state
-                    autoRetryCountRef.current = 0
+                    toast.error(
+                        formatMessage(dict.errors.continuationRetryLimit, {
+                            max: MAX_CONTINUATION_RETRY_COUNT,
+                        }),
+                    )
                    continuationRetryCountRef.current = 0
                    partialXmlRef.current = ""
                    return false
                }
-
-                // Continuation mode: limited retries for truncation handling
-                if (isInContinuationMode) {
-                    if (
-                        continuationRetryCountRef.current >=
-                        MAX_CONTINUATION_RETRY_COUNT
-                    ) {
-                        toast.error(
-                            formatMessage(dict.errors.continuationRetryLimit, {
-                                max: MAX_CONTINUATION_RETRY_COUNT,
-                            }),
-                        )
-                        continuationRetryCountRef.current = 0
-                        partialXmlRef.current = ""
-                        return false
-                    }
-                    continuationRetryCountRef.current++
-                } else {
-                    // Regular error: check retry count limit
-                    if (autoRetryCountRef.current >= MAX_AUTO_RETRY_COUNT) {
-                        toast.error(
-                            formatMessage(dict.errors.retryLimit, {
-                                max: MAX_AUTO_RETRY_COUNT,
-                            }),
-                        )
-                        autoRetryCountRef.current = 0
-                        partialXmlRef.current = ""
-                        return false
-                    }
-                    // Increment retry count for actual errors
-                    autoRetryCountRef.current++
+                continuationRetryCountRef.current++
+            } else {
+                // Regular error: check retry count limit
+                if (autoRetryCountRef.current >= MAX_AUTO_RETRY_COUNT) {
+                    toast.error(
+                        formatMessage(dict.errors.retryLimit, {
+                            max: MAX_AUTO_RETRY_COUNT,
+                        }),
+                    )
+                    autoRetryCountRef.current = 0
+                    partialXmlRef.current = ""
+                    return false
                }
+                // Increment retry count for actual errors
+                autoRetryCountRef.current++
+            }

-                return true
-            },
-        })
+            return true
+        },
+    })

    // Store sendMessage in ref for use in callbacks (like handleImproveWithSuggestions)
    useEffect(() => {
@@ -901,10 +906,10 @@ export default function ChatPanel({
            if (result.wasCurrentSession) {
                // Deleted current session - clear UI and URL
                syncUIWithSession(null)
-                router.replace(window.location.pathname, { scroll: false })
+                router.replace(pathname, { scroll: false })
            }
        },
-        [sessionManager, syncUIWithSession, router],
+        [sessionManager, syncUIWithSession, router, pathname],
    )

    const handleNewChat = useCallback(async () => {
@@ -937,7 +942,7 @@ export default function ChatPanel({
        toast.success(dict.dialogs.clearSuccess)

        // Clear URL param to show blank state
-        router.replace(window.location.pathname, { scroll: false })
+        router.replace(pathname, { scroll: false })

        // After starting a fresh chat, move focus back to the chat input
        setShouldFocusInput(true)
@@ -952,6 +957,7 @@ export default function ChatPanel({
        dict.dialogs.clearSuccess,
        buildSessionData,
        setDiagramHistory,
+        pathname,
    ])

    const handleInputChange = (
@@ -991,6 +997,29 @@ export default function ChatPanel({
        }
    }

+    // Handle stop button click
+    const handleStop = useCallback(() => {
+        const lastMessage = messages[messages.length - 1]
+        const toolParts = lastMessage?.parts?.filter(
+            (part: any) =>
+                part.type?.startsWith("tool-") &&
+                part.state === "input-streaming",
+        )
+
+        toolParts?.forEach((part: any) => {
+            if (part.toolCallId) {
+                addToolOutput({
+                    tool: part.type.replace("tool-", ""),
+                    toolCallId: part.toolCallId,
+                    state: "output-error",
+                    errorText: "Stopped by user",
+                })
+            }
+        })
+
+        stop()
+    }, [messages, addToolOutput, stop])
+
    // Send chat message with headers
    const sendChatMessage = (
        parts: any,
@@ -1357,6 +1386,7 @@ export default function ChatPanel({
                    status={status}
                    onSubmit={onFormSubmit}
                    onChange={handleInputChange}
+                    onStop={handleStop}
                    files={files}
                    onFileChange={handleFileChange}
                    pdfData={pdfData}
@@ -1368,7 +1398,6 @@ export default function ChatPanel({
                    selectedModelId={modelConfig.selectedModelId}
                    onModelSelect={modelConfig.setSelectedModelId}
                    showUnvalidatedModels={modelConfig.showUnvalidatedModels}
-                    onConfigureModels={() => setShowModelConfigDialog(true)}
                    shouldFocus={shouldFocusInput}
                    onFocused={() => setShouldFocusInput(false)}
                />
@@ -1385,6 +1414,7 @@ export default function ChatPanel({
                onMinimalStyleChange={setMinimalStyle}
                vlmValidationEnabled={vlmValidationEnabled}
                onVlmValidationChange={handleVlmValidationChange}
+                onOpenModelConfig={() => setShowModelConfigDialog(true)}
            />

            <ModelConfigDialog
--- a/components/chat/ChatLobby.tsx
+++ b/components/chat/ChatLobby.tsx
@@ -8,9 +8,9 @@ import {
    Trash2,
    X,
 } from "lucide-react"
-import Image from "next/image"
 import { useState } from "react"
 import ExamplePanel from "@/components/chat-example-panel"
+import Image from "@/components/image-with-basepath"
 import {
    AlertDialog,
    AlertDialogAction,
--- a/components/chat/ValidationCard.tsx
+++ b/components/chat/ValidationCard.tsx
@@ -10,8 +10,8 @@ import {
    RefreshCw,
    X,
 } from "lucide-react"
-import Image from "next/image"
 import { useState } from "react"
+import Image from "@/components/image-with-basepath"
 import { useDictionary } from "@/hooks/use-dictionary"
 import type { ValidationResult } from "@/lib/diagram-validator"

--- a/components/file-preview-list.tsx
+++ b/components/file-preview-list.tsx
@@ -1,8 +1,8 @@
 "use client"

 import { FileCode, FileText, Link, Loader2, X } from "lucide-react"
-import Image from "next/image"
 import { useEffect, useRef, useState } from "react"
+import Image from "@/components/image-with-basepath"
 import { useDictionary } from "@/hooks/use-dictionary"
 import { isPdfFile, isTextFile } from "@/lib/pdf-utils"

--- a/components/history-dialog.tsx
+++ b/components/history-dialog.tsx
@@ -1,7 +1,7 @@
 "use client"

-import Image from "next/image"
 import { useState } from "react"
+import Image from "@/components/image-with-basepath"
 import { Button } from "@/components/ui/button"
 import {
    Dialog,
--- a/components/image-with-basepath.tsx
+++ b/components/image-with-basepath.tsx
@@ -0,0 +1,16 @@
+import NextImage, { type ImageProps } from "next/image"
+import { forwardRef } from "react"
+import { getAssetUrl } from "@/lib/base-path"
+
+export default forwardRef<HTMLImageElement, ImageProps>(
+    function Image(props, ref) {
+        const src =
+            typeof props.src === "string" &&
+            props.src.startsWith("/") &&
+            !props.src.startsWith("//")
+                ? getAssetUrl(props.src)
+                : props.src
+
+        return <NextImage {...props} src={src} ref={ref} />
+    },
+)
--- a/components/model-selector.tsx
+++ b/components/model-selector.tsx
@@ -7,7 +7,6 @@ import {
    ChevronDown,
    Monitor,
    Server,
-    Settings2,
    User,
 } from "lucide-react"
 import { useEffect, useMemo, useRef, useState } from "react"
@@ -34,7 +33,6 @@ interface ModelSelectorProps {
    models: FlattenedModel[]
    selectedModelId: string | undefined
    onSelect: (modelId: string | undefined) => void
-    onConfigure: () => void
    disabled?: boolean
    showUnvalidatedModels?: boolean
 }
@@ -85,7 +83,6 @@ export function ModelSelector({
    models,
    selectedModelId,
    onSelect,
-    onConfigure,
    disabled = false,
    showUnvalidatedModels = false,
 }: ModelSelectorProps) {
@@ -126,9 +123,7 @@ export function ModelSelector({
    )

    const handleSelect = (value: string) => {
-        if (value === "__configure__") {
-            onConfigure()
-        } else if (value === "__server_default__") {
+        if (value === "__server_default__") {
            onSelect(undefined)
        } else {
            onSelect(value)
@@ -386,20 +381,6 @@ export function ModelSelector({
                            </>
                        )}

-                        {/* Configure Option */}
-                        <ModelSelectorSeparator />
-                        <ModelSelectorGroup>
-                            <ModelSelectorItem
-                                value="__configure__"
-                                onSelect={handleSelect}
-                                className="cursor-pointer text-muted-foreground hover:text-foreground"
-                            >
-                                <Settings2 className="mr-2 h-4 w-4" />
-                                <ModelSelectorName>
-                                    {dict.modelConfig.configureModels}
-                                </ModelSelectorName>
-                            </ModelSelectorItem>
-                        </ModelSelectorGroup>
                        {/* Info text */}
                        <div className="px-3 py-2 text-xs text-muted-foreground border-t">
                            {showUnvalidatedModels
--- a/components/quota-limit-toast.tsx
+++ b/components/quota-limit-toast.tsx
@@ -79,7 +79,7 @@ export function QuotaLimitToast({
                <p
                    dangerouslySetInnerHTML={{
                        __html: formatMessage(dict.quota.doubaoSponsorship, {
-                            link: "https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project",
+                            link: "https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project",
                        }),
                    }}
                />
--- a/components/settings-dialog.tsx
+++ b/components/settings-dialog.tsx
@@ -1,6 +1,6 @@
 "use client"

-import { Github, Info, Moon, Sun, Tag } from "lucide-react"
+import { ChevronRight, Github, Info, Moon, Sun, Tag } from "lucide-react"
 import { usePathname, useRouter, useSearchParams } from "next/navigation"
 import { Suspense, useEffect, useState } from "react"
 import { toast } from "sonner"
@@ -56,6 +56,7 @@ const LANGUAGE_LABELS: Record<Locale, string> = {
    en: "English",
    zh: "中文",
    ja: "日本語",
+    "zh-Hant": "繁體中文",
 }

 interface SettingsDialogProps {
@@ -69,6 +70,7 @@ interface SettingsDialogProps {
    onMinimalStyleChange?: (value: boolean) => void
    vlmValidationEnabled?: boolean
    onVlmValidationChange?: (value: boolean) => void
+    onOpenModelConfig?: () => void
 }

 export const STORAGE_ACCESS_CODE_KEY = "next-ai-draw-io-access-code"
@@ -92,6 +94,7 @@ function SettingsContent({
    onMinimalStyleChange = () => {},
    vlmValidationEnabled = false,
    onVlmValidationChange = () => {},
+    onOpenModelConfig,
 }: SettingsDialogProps) {
    const dict = useDictionary()
    const router = useRouter()
@@ -283,6 +286,27 @@ function SettingsContent({
            {/* Content */}
            <div className="px-6 pb-6">
                <div className="divide-y divide-border-subtle">
+                    {/* API Keys & Models */}
+                    {onOpenModelConfig && (
+                        <SettingItem
+                            label={dict.settings.apiKeysModels}
+                            description={dict.settings.apiKeysModelsDescription}
+                        >
+                            <Button
+                                variant="ghost"
+                                size="sm"
+                                className="h-9 w-9 p-0"
+                                onClick={() => {
+                                    onOpenChange(false)
+                                    onOpenModelConfig()
+                                }}
+                                aria-label={dict.settings.apiKeysModels}
+                            >
+                                <ChevronRight className="h-4 w-4" />
+                            </Button>
+                        </SettingItem>
+                    )}
+
                    {/* Access Code (conditional) */}
                    {accessCodeRequired && (
                        <div className="py-4 first:pt-0 space-y-3">
--- a/docs/cn/README_CN.md
+++ b/docs/cn/README_CN.md
@@ -19,7 +19,7 @@

 一个集成了AI功能的Next.js网页应用，与draw.io图表无缝结合。通过自然语言命令和AI辅助可视化来创建、修改和增强图表。

-> 注：感谢 <img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [字节跳动豆包](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) 的赞助支持，本项目的 Demo 现已接入强大的 K2-thinking 模型！
+> 注：感谢 <img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [字节跳动豆包](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) 的赞助支持，本项目的 Demo 现已接入强大的 K2-thinking 模型！

 https://github.com/user-attachments/assets/b2eef5f3-b335-4e71-a755-dc2e80931979

@@ -195,7 +195,7 @@ npm run dev

 ## 多提供商支持

-   [字节跳动豆包](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
+-   [字节跳动豆包](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
 -   AWS Bedrock（默认）
 -   OpenAI
 -   Anthropic
@@ -236,7 +236,7 @@ npm run dev

 ## 支持与联系

-**特别感谢[字节跳动豆包](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)赞助演示站点的 API Token 使用！** 注册火山引擎 ARK 平台即可获得50万免费Token！
+**特别感谢[字节跳动豆包](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)赞助演示站点的 API Token 使用！** 注册火山引擎 ARK 平台即可获得50万免费Token！

 如果您觉得这个项目有用，请考虑[赞助](https://github.com/sponsors/DayuanJiang)来帮助我托管在线演示站点！

--- a/docs/cn/ai-providers.md
+++ b/docs/cn/ai-providers.md
@@ -13,7 +13,7 @@

 ### 豆包 (字节跳动火山引擎)

-> **免费 Token**：在 [火山引擎 ARK 平台](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) 注册，即可获得所有模型 50 万免费 Token！
+> **免费 Token**：在 [火山引擎 ARK 平台](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) 注册，即可获得所有模型 50 万免费 Token！

 ```bash
 DOUBAO_API_KEY=your_api_key
--- a/docs/en/ai-providers.md
+++ b/docs/en/ai-providers.md
@@ -13,7 +13,7 @@ This guide explains how to configure different AI model providers for next-ai-dr

 ### Doubao (ByteDance Volcengine)

-> **Free tokens**: Register on the [Volcengine ARK platform](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) to get 500K free tokens for all models!
+> **Free tokens**: Register on the [Volcengine ARK platform](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) to get 500K free tokens for all models!

 ```bash
 DOUBAO_API_KEY=your_api_key
--- a/docs/ja/README_JA.md
+++ b/docs/ja/README_JA.md
@@ -19,7 +19,7 @@

 AI機能とdraw.ioダイアグラムを統合したNext.jsウェブアプリケーションです。自然言語コマンドとAI支援の可視化により、ダイアグラムを作成、修正、強化できます。

-> 注：<img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) のご支援により、デモサイトに強力な K2-thinking モデルを導入しました！
+> 注：<img src="https://raw.githubusercontent.com/DayuanJiang/next-ai-draw-io/main/public/doubao-color.png" alt="" height="20" /> [ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project) のご支援により、デモサイトに強力な K2-thinking モデルを導入しました！

 https://github.com/user-attachments/assets/b2eef5f3-b335-4e71-a755-dc2e80931979

@@ -196,7 +196,7 @@ Next.jsアプリをデプロイする最も簡単な方法は、Next.jsの作成

 ## マルチプロバイダーサポート

-   [ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
+-   [ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)
 -   AWS Bedrock（デフォルト）
 -   OpenAI
 -   Anthropic
@@ -237,7 +237,7 @@ AWS BedrockとOpenRouter以外のすべてのプロバイダーはカスタム

 ## サポート＆お問い合わせ

-**デモサイトのAPIトークン使用を支援してくださった[ByteDance Doubao](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)に特別な感謝を申し上げます！** ARKプラットフォームに登録すると、50万トークンが無料でもらえます！
+**デモサイトのAPIトークン使用を支援してくださった[ByteDance Doubao](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)に特別な感謝を申し上げます！** ARKプラットフォームに登録すると、50万トークンが無料でもらえます！

 このプロジェクトが役に立ったら、ライブデモサイトのホスティングを支援するために[スポンサー](https://github.com/sponsors/DayuanJiang)をご検討ください！

--- a/docs/ja/ai-providers.md
+++ b/docs/ja/ai-providers.md
@@ -13,7 +13,7 @@

 ### Doubao (ByteDance Volcengine)

-> **無料トークン**: [Volcengine ARK プラットフォーム](https://console.volcengine.com/ark/region:ark+cn-beijing/overview?briefPage=0&briefType=introduce&type=new&utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)に登録すると、すべてのモデルで使える50万トークンが無料で入手できます！
+> **無料トークン**: [Volcengine ARK プラットフォーム](https://www.volcengine.com/activity/newyear-referral?utm_campaign=doubao&utm_content=aidrawio&utm_medium=github&utm_source=coopensrc&utm_term=project)に登録すると、すべてのモデルで使える50万トークンが無料で入手できます！

 ```bash
 DOUBAO_API_KEY=your_api_key
--- a/electron/electron-builder.yml
+++ b/electron/electron-builder.yml
@@ -37,10 +37,11 @@ mac:
      arch:
        - x64
        - arm64
-  hardenedRuntime: true
+  # Disable electron-builder's signing - we use custom ad-hoc signing in afterPack
+  # to properly sign nested bundles with --deep flag for bundled draw.io files
+  identity: null
+  hardenedRuntime: false
  gatekeeperAssess: false
-  entitlements: resources/entitlements.mac.plist
-  entitlementsInherit: resources/entitlements.mac.plist

 dmg:
  contents:
--- a/electron/electron.d.ts
+++ b/electron/electron.d.ts
@@ -69,7 +69,9 @@ declare global {
            /** Set proxy configuration (saves and restarts server) */
            setProxy: (config: ProxyConfig) => Promise<SetProxyResult>
            /** Get user's preferred locale */
-            getUserLocale: () => Promise<"en" | "zh" | "ja" | undefined>
+            getUserLocale: () => Promise<
+                "en" | "zh" | "ja" | "zh-Hant" | undefined
+            >
            /** Set user's preferred locale */
            setUserLocale: (locale: string) => Promise<SetUserLocaleResult>
        }
--- a/electron/main/config-manager.ts
+++ b/electron/main/config-manager.ts
@@ -137,7 +137,7 @@ interface ConfigPresetsFile {
    version: 1
    currentPresetId: string | null
    presets: ConfigPreset[]
-    userLocale?: "en" | "zh" | "ja"
+    userLocale?: "en" | "zh" | "ja" | "zh-Hant"
 }

 const CONFIG_FILE_NAME = "config-presets.json"
@@ -470,7 +470,7 @@ export function getCurrentPresetEnv(): Record<string, string> {
 * Get user's preferred locale from config
 * Returns undefined if not set
 */
-export function getUserLocale(): "en" | "zh" | "ja" | undefined {
+export function getUserLocale(): "en" | "zh" | "ja" | "zh-Hant" | undefined {
    const data = loadPresets()
    return data.userLocale
 }
@@ -478,7 +478,9 @@ export function getUserLocale(): "en" | "zh" | "ja" | undefined {
 /**
 * Set user's preferred locale in config
 */
-export function setUserLocale(locale: "en" | "zh" | "ja" | null): void {
+export function setUserLocale(
+    locale: "en" | "zh" | "ja" | "zh-Hant" | null,
+): void {
    const data = loadPresets()
    data.userLocale = locale === null ? undefined : locale
    savePresets(data)
--- a/electron/main/ipc-handlers.ts
+++ b/electron/main/ipc-handlers.ts
@@ -263,12 +263,12 @@ export function registerIpcHandlers(): void {

    ipcMain.handle("set-user-locale", (_event, locale: string) => {
        // Validate locale is one of the supported values
-        if (!["en", "zh", "ja"].includes(locale)) {
+        if (!["en", "zh", "ja", "zh-Hant"].includes(locale)) {
            return { success: false, error: "Invalid locale" }
        }

        try {
-            setUserLocale(locale as "en" | "zh" | "ja")
+            setUserLocale(locale as "en" | "zh" | "ja" | "zh-Hant")
            // Rebuild the menu to reflect the new locale
            rebuildAppMenu()
            return { success: true }
--- a/electron/main/menu-i18n.ts
+++ b/electron/main/menu-i18n.ts
@@ -5,7 +5,7 @@

 import { getUserLocale } from "./config-manager"

-export type MenuLocale = "en" | "zh" | "ja"
+export type MenuLocale = "en" | "zh" | "ja" | "zh-Hant"

 export interface MenuTranslations {
    // App menu (macOS only)
@@ -119,6 +119,34 @@ const translations: Record<MenuLocale, MenuTranslations> = {
        documentation: "ドキュメント",
        reportIssue: "問題を報告",
    },
+
+    "zh-Hant": {
+        // App menu
+        settings: "設定...",
+
+        // File menu
+        file: "檔案",
+
+        // Edit menu
+        edit: "編輯",
+
+        // View menu
+        view: "檢視",
+
+        // Configuration menu
+        configuration: "配置",
+        switchPreset: "切換預設",
+        managePresets: "管理預設...",
+        addConfigurationPreset: "新增配置預設...",
+
+        // Window menu
+        window: "視窗",
+
+        // Help menu
+        help: "說明",
+        documentation: "文件",
+        reportIssue: "回報問題",
+    },
 }

 /**
@@ -126,6 +154,16 @@ const translations: Record<MenuLocale, MenuTranslations> = {
 * Falls back to English if locale is not supported
 */
 export function getMenuTranslations(locale: string): MenuTranslations {
+    // Check for zh-Hant before normalizing
+    if (
+        locale === "zh-Hant" ||
+        locale.toLowerCase().startsWith("zh-hant") ||
+        locale.toLowerCase().startsWith("zh-tw") ||
+        locale.toLowerCase().startsWith("zh-hk")
+    ) {
+        return translations["zh-Hant"]
+    }
+
    // Normalize locale (e.g., "zh-CN" -> "zh", "ja-JP" -> "ja")
    const normalized = locale.toLowerCase().split("-")[0]

@@ -136,10 +174,21 @@ export function getMenuTranslations(locale: string): MenuTranslations {

 /**
 * Detect system locale from Electron app
- * Returns one of: "en", "zh", "ja"
+ * Returns one of: "en", "zh", "ja", "zh-Hant"
 */
 export function detectSystemLocale(appLocale: string): MenuLocale {
-    const normalized = appLocale.toLowerCase().split("-")[0]
+    const lower = appLocale.toLowerCase()
+
+    // Distinguish Traditional Chinese locales (TW, HK, Hant) from Simplified
+    if (
+        lower.startsWith("zh-hant") ||
+        lower.startsWith("zh-tw") ||
+        lower.startsWith("zh-hk")
+    ) {
+        return "zh-Hant"
+    }
+
+    const normalized = lower.split("-")[0]

    if (normalized === "zh") return "zh"
    if (normalized === "ja") return "ja"
--- a/hooks/use-model-config.ts
+++ b/hooks/use-model-config.ts
@@ -1,6 +1,7 @@
 "use client"

 import { useCallback, useEffect, useState } from "react"
+import { getApiEndpoint } from "@/lib/base-path"
 import type { FlattenedServerModel } from "@/lib/server-model-config"
 import { STORAGE_KEYS } from "@/lib/storage"
 import {
@@ -147,7 +148,7 @@ export function useModelConfig(): UseModelConfigReturn {
    useEffect(() => {
        if (typeof window === "undefined") return

-        fetch("/api/server-models")
+        fetch(getApiEndpoint("/api/server-models"))
            .then((res) => {
                if (!res.ok) {
                    console.error(
--- a/lib/ai-providers.ts
+++ b/lib/ai-providers.ts
@@ -39,7 +39,7 @@ export interface ClientOverrides {
    baseUrlEnv?: string
 }

-// Providers that can be used with client-provided API keys
+// Providers that can be selected from client settings
 const ALLOWED_CLIENT_PROVIDERS: ProviderName[] = [
    "openai",
    "anthropic",
@@ -53,6 +53,7 @@ const ALLOWED_CLIENT_PROVIDERS: ProviderName[] = [
    "sglang",
    "gateway",
    "edgeone",
+    "ollama",
    "doubao",
    "modelscope",
 ]
@@ -572,12 +573,13 @@ export function getAIModel(overrides?: ClientOverrides): ModelConfig {
    // SECURITY: Prevent SSRF attacks (GHSA-9qf7-mprq-9qgm)
    // If a custom baseUrl is provided, an API key MUST also be provided.
    // This prevents attackers from redirecting server API keys to malicious endpoints.
-    // Exception: EdgeOne provider doesn't require API key (uses Edge AI runtime)
+    // Exception: EdgeOne and Ollama providers don't require API keys
    if (
        overrides?.baseUrl &&
        !overrides?.apiKey &&
        !(overrides?.provider === "vertexai" && overrides?.vertexApiKey) &&
-        overrides?.provider !== "edgeone"
+        overrides?.provider !== "edgeone" &&
+        overrides?.provider !== "ollama"
    ) {
        throw new Error(
            `API key is required when using a custom base URL. ` +
@@ -836,16 +838,16 @@ export function getAIModel(overrides?: ClientOverrides): ModelConfig {
            break
        }

-        case "ollama":
-            if (process.env.OLLAMA_BASE_URL) {
-                const customOllama = createOllama({
-                    baseURL: process.env.OLLAMA_BASE_URL,
-                })
+        case "ollama": {
+            const baseURL = overrides?.baseUrl || process.env.OLLAMA_BASE_URL
+            if (baseURL) {
+                const customOllama = createOllama({ baseURL })
                model = customOllama(modelId)
            } else {
                model = ollama(modelId)
            }
            break
+        }

        case "openrouter": {
            const apiKey = resolveApiKey(overrides, "OPENROUTER_API_KEY")
@@ -1159,8 +1161,15 @@ export function supportsImageInput(modelId: string): boolean {
        lowerModelId.includes("vision") || lowerModelId.includes("vl")

    // Models that DON'T support image/vision input (unless vision variant)
-    // Kimi K2 models don't support images
-    if (lowerModelId.includes("kimi") && !hasVisionIndicator) {
+    // Kimi K2 doesn't support images, but K2.5 does
+    // Only block kimi-k2 specifically, not other Kimi models
+    if (
+        (lowerModelId.includes("kimi-k2") ||
+            lowerModelId.includes("kimi_k2")) &&
+        !hasVisionIndicator &&
+        !lowerModelId.includes("2.5") &&
+        !lowerModelId.includes("k2.5")
+    ) {
        return false
    }

--- a/lib/i18n/config.ts
+++ b/lib/i18n/config.ts
@@ -1,6 +1,6 @@
 export const i18n = {
    defaultLocale: "en",
-    locales: ["en", "zh", "ja"],
+    locales: ["en", "zh", "ja", "zh-Hant"],
 } as const

 export type Locale = (typeof i18n)["locales"][number]
--- a/lib/i18n/dictionaries.ts
+++ b/lib/i18n/dictionaries.ts
@@ -6,6 +6,8 @@ const dictionaries = {
    en: () => import("./dictionaries/en.json").then((m) => m.default),
    zh: () => import("./dictionaries/zh.json").then((m) => m.default),
    ja: () => import("./dictionaries/ja.json").then((m) => m.default),
+    "zh-Hant": () =>
+        import("./dictionaries/zh-Hant.json").then((m) => m.default),
 }

 export type Dictionary = Awaited<ReturnType<(typeof dictionaries)["en"]>>
--- a/lib/i18n/dictionaries/en.json
+++ b/lib/i18n/dictionaries/en.json
@@ -34,7 +34,7 @@
    "chat": {
        "placeholder": "Describe your diagram or upload a file...",
        "send": "Send",
-        "sending": "Sending...",
+        "stopGeneration": "Stop generation",
        "sendMessage": "Send message",
        "clearConversation": "Clear conversation",
        "diagramHistory": "Diagram history",
@@ -77,6 +77,8 @@
    "settings": {
        "title": "Settings",
        "description": "Configure your application settings.",
+        "apiKeysModels": "API Keys & Models",
+        "apiKeysModelsDescription": "Configure AI providers and API keys.",
        "accessCode": "Access Code",
        "accessCodePlaceholder": "Enter access code",
        "accessCodeDescription": "Required to use this application.",
--- a/lib/i18n/dictionaries/ja.json
+++ b/lib/i18n/dictionaries/ja.json
@@ -34,7 +34,7 @@
    "chat": {
        "placeholder": "ダイアグラムを説明するか、ファイルをアップロード...",
        "send": "送信",
-        "sending": "送信中...",
+        "stopGeneration": "生成を停止",
        "sendMessage": "メッセージを送信",
        "clearConversation": "会話をクリア",
        "diagramHistory": "ダイアグラム履歴",
@@ -77,6 +77,8 @@
    "settings": {
        "title": "設定",
        "description": "アプリケーション設定を構成します。",
+        "apiKeysModels": "API キーとモデル",
+        "apiKeysModelsDescription": "AI プロバイダーと API キーを設定します。",
        "accessCode": "アクセスコード",
        "accessCodePlaceholder": "アクセスコードを入力",
        "accessCodeDescription": "このアプリケーションを使用するために必要です。",
--- a/lib/i18n/dictionaries/zh-Hant.json
+++ b/lib/i18n/dictionaries/zh-Hant.json
@@ -0,0 +1,342 @@
+{
+    "common": {
+        "save": "儲存",
+        "cancel": "取消",
+        "close": "關閉",
+        "confirm": "確認",
+        "clear": "清除",
+        "edit": "編輯",
+        "delete": "刪除",
+        "loading": "載入中...",
+        "new": "新建"
+    },
+    "nav": {
+        "about": "關於",
+        "editor": "編輯器",
+        "newChat": "開始新對話",
+        "github": "GitHub",
+        "settings": "設定",
+        "hidePanel": "隱藏聊天面板 (Ctrl+B)",
+        "showPanel": "顯示聊天面板 (Ctrl+B)",
+        "aiChat": "AI 聊天"
+    },
+    "providers": {
+        "useServerDefault": "使用伺服器預設值",
+        "openai": "OpenAI",
+        "anthropic": "Anthropic",
+        "google": "Google",
+        "azure": "Azure OpenAI",
+        "openrouter": "OpenRouter",
+        "deepseek": "DeepSeek",
+        "siliconflow": "SiliconFlow",
+        "modelscope": "ModelScope"
+    },
+    "chat": {
+        "placeholder": "描述您的圖表或上傳檔案...",
+        "send": "傳送",
+        "stopGeneration": "停止產生",
+        "sendMessage": "傳送訊息",
+        "clearConversation": "清除對話",
+        "diagramHistory": "圖表歷史",
+        "saveDiagram": "儲存圖表",
+        "uploadFile": "上傳檔案（圖片、PDF、文字）",
+        "minimalStyle": "簡約",
+        "styledMode": "精緻",
+        "minimalTooltip": "使用簡約模式以加快產生速度（無顏色）",
+        "regenerate": "重新產生回應",
+        "copyResponse": "複製回應",
+        "copied": "已複製！",
+        "failedToCopy": "複製失敗",
+        "failedToCopyDetail": "複製訊息失敗。請手動複製或檢查剪貼簿權限。",
+        "goodResponse": "有幫助",
+        "badResponse": "無幫助",
+        "clickToEdit": "點擊編輯",
+        "editMessage": "編輯訊息",
+        "saveAndSubmit": "儲存並提交",
+        "ExtractURL": "從 URL 擷取"
+    },
+    "examples": {
+        "title": "用 AI 建立圖表",
+        "subtitle": "描述您想要建立的內容或上傳圖片進行複製",
+        "quickExamples": "快速範例",
+        "paperToDiagram": "文件轉圖表",
+        "paperDescription": "上傳 .pdf, .txt, .md, .json, .csv, .py, .js, .ts 等檔案",
+        "animatedDiagram": "動畫圖表",
+        "animatedDescription": "繪製帶有動畫連接器的 Transformer 架構",
+        "awsArchitecture": "AWS 架構",
+        "awsDescription": "使用 AWS 圖示建立雲端架構圖",
+        "replicateFlowchart": "複製流程圖",
+        "replicateDescription": "上傳並複製現有流程圖",
+        "creativeDrawing": "創意繪圖",
+        "creativeDescription": "繪製有趣且富有創意的內容",
+        "cachedNote": "範例已快取，可即時回應",
+        "mcpServer": "MCP 伺服器",
+        "mcpDescription": "在 Claude Desktop、VS Code 和 Cursor 中使用",
+        "preview": "預覽"
+    },
+    "settings": {
+        "title": "設定",
+        "description": "配置您的應用程式設定。",
+        "apiKeysModels": "API 金鑰和模型",
+        "apiKeysModelsDescription": "配置 AI 提供商和 API 金鑰。",
+        "accessCode": "存取碼",
+        "accessCodePlaceholder": "輸入存取碼",
+        "accessCodeDescription": "使用此應用程式需要存取碼。",
+        "aiProvider": "AI 提供商設定",
+        "aiProviderDescription": "使用您自己的 API 金鑰來繞過使用限制。您的金鑰僅儲存在瀏覽器本機，不會儲存在伺服器上。",
+        "provider": "提供商",
+        "modelId": "模型 ID",
+        "apiKey": "API 金鑰",
+        "apiKeyPlaceholder": "您的 API 金鑰",
+        "baseUrl": "基礎 URL（可選）",
+        "customEndpoint": "自訂端點 URL",
+        "overrides": "覆寫",
+        "clearSettings": "清除設定",
+        "useServerDefault": "使用伺服器預設值",
+        "language": "語言",
+        "languageDescription": "選擇介面語言。",
+        "theme": "主題",
+        "themeDescription": "介面和 DrawIO 畫布的深色/淺色模式。",
+        "drawioStyle": "DrawIO 樣式",
+        "drawioStyleDescription": "畫布樣式：",
+        "switchTo": "切換到",
+        "minimal": "簡約",
+        "sketch": "草圖",
+        "diagramStyle": "圖表樣式",
+        "diagramStyleDescription": "切換簡約與精緻圖表輸出模式。",
+        "sendShortcut": "傳送快捷鍵",
+        "sendShortcutDescription": "選擇傳送訊息的方式。",
+        "enterToSend": "Enter 傳送",
+        "ctrlEnterToSend": "Cmd/Ctrl+Enter 傳送",
+        "diagramActions": "圖表操作",
+        "diagramActionsDescription": "管理圖表歷史紀錄和匯出",
+        "history": "歷史紀錄",
+        "download": "下載",
+        "proxy": "代理設定",
+        "proxyDescription": "配置 API 請求的 HTTP/HTTPS 代理（僅桌面版）",
+        "httpProxy": "HTTP 代理",
+        "httpsProxy": "HTTPS 代理",
+        "applyProxy": "套用",
+        "proxyApplied": "代理設定已套用",
+        "diagramValidation": "圖表驗證（實驗性）",
+        "diagramValidationDescription": "使用視覺語言模型驗證產生的圖表。需要支援視覺的模型，如 GPT-5.2 或 Sonnet-4.5。",
+        "enabled": "已啟用",
+        "disabled": "已停用"
+    },
+    "save": {
+        "title": "儲存圖表",
+        "description": "選擇格式和檔案名稱以儲存您的圖表。",
+        "format": "格式",
+        "filename": "檔案名稱",
+        "filenamePlaceholder": "輸入檔案名稱",
+        "formats": {
+            "drawio": "Draw.io XML",
+            "png": "PNG 圖片",
+            "svg": "SVG 圖片"
+        },
+        "savedSuccessfully": "儲存成功！"
+    },
+    "history": {
+        "title": "圖表歷史",
+        "description": "在 AI 修改之前儲存的每個圖表。\n點擊圖表以還原它",
+        "noHistory": "尚無歷史紀錄。傳送訊息以建立圖表歷史。",
+        "version": "版本",
+        "restoreTo": "還原到版本 {version}？"
+    },
+    "dialogs": {
+        "clearTitle": "清除所有內容？",
+        "clearDescription": "這將清除目前對話並重設圖表。此操作無法復原。",
+        "clearEverything": "清除所有內容",
+        "clearSuccess": "已開始新對話"
+    },
+    "errors": {
+        "maxFiles": "檔案太多。最多允許 {max} 個。",
+        "onlyMoreAllowed": "只能再新增 {slots} 個檔案",
+        "fileExceeds": "「{name}」大小為 {size}（超過 {max}MB）",
+        "unsupportedType": "「{name}」不是支援的檔案類型",
+        "filesRejected": "{count} 個檔案被拒絕：",
+        "andMore": "...還有 {count} 個",
+        "invalidAccessCode": "無效或缺少存取碼。請在設定中配置。",
+        "networkError": "網路錯誤。請檢查您的連線。",
+        "retryLimit": "已達自動重試限制（{max}）。請手動重試。",
+        "continuationRetryLimit": "已達繼續重試限制（{max}）。圖表可能過於複雜。",
+        "validationFailed": "圖表驗證失敗。請嘗試重新產生。",
+        "malformedXml": "AI 產生的圖表 XML 無效。請嘗試重新產生。",
+        "failedToProcess": "無法處理圖表。請嘗試重新產生。",
+        "sessionCorrupted": "工作階段資料已損壞。重新開始。",
+        "failedToSave": "無法儲存訊息到 localStorage",
+        "failedToRestore": "無法從 localStorage 還原",
+        "failedToPersist": "卸載前無法持久化狀態",
+        "failedToExport": "取得圖表資料時出錯",
+        "failedToLoadExample": "載入範例圖片時出錯",
+        "failedToRecordFeedback": "記錄您的回饋失敗。請重試。",
+        "storageUpdateFailed": "聊天已清除，但無法更新瀏覽器儲存空間"
+    },
+    "quota": {
+        "dailyLimit": "已達每日配額",
+        "tokenLimit": "已達每日令牌限制",
+        "tpmLimit": "速率限制",
+        "tpmMessage": "請求過多。請稍等片刻。",
+        "tpmMessageDetailed": "達到速率限制（{limit} 令牌/分鐘）。請等待 {seconds} 秒後再傳送請求。",
+        "messageApi": "看來您今天的體驗次數已達上限。非常高興您玩得開心，雖然本專案由字節跳動豆包慷慨贊助，但為了確保大家都能公平使用，我們不得不對使用量做一點小小的限制。",
+        "messageToken": "看來您今天的 Token 用量已達上限。非常高興您玩得開心，雖然本專案由字節跳動豆包慷慨贊助，但為了確保大家都能公平使用，我們不得不對使用量做一點小小的限制。",
+        "tip": "<strong>提示：</strong>您可以使用自己的 API 金鑰（點擊設定圖示）或自行託管專案來繞過這些限制。",
+        "reset": "您的限制將在明天重設。感謝您的理解。",
+        "doubaoSponsorship": "<a href=\"{link}\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"underline hover:text-foreground\">點此註冊</a>可獲得每個模型 50 萬免費 Token（包括豆包、DeepSeek 和 Kimi），然後在模型設定中配置您的 API Key。",
+        "configModel": "使用您的金鑰",
+        "selfHost": "自行託管",
+        "sponsor": "贊助",
+        "learnMore": "了解更多 →",
+        "usedOf": "{used}/{limit}"
+    },
+    "tools": {
+        "generateDiagram": "產生圖表",
+        "editDiagram": "編輯圖表",
+        "appendDiagram": "繼續圖表",
+        "complete": "完成",
+        "error": "錯誤",
+        "truncated": "已截斷"
+    },
+    "file": {
+        "reading": "讀取中...",
+        "chars": "字元",
+        "removeFile": "移除檔案"
+    },
+    "url": {
+        "title": "從 URL 擷取內容",
+        "description": "貼上 URL 以擷取和分析其內容",
+        "Extracting": "擷取中...",
+        "extract": "擷取",
+        "Cancel": "取消",
+        "enterUrl": "請輸入 URL",
+        "invalidFormat": "URL 格式無效"
+    },
+    "reasoning": {
+        "thinking": "思考中...",
+        "thoughtFor": "思考了 {duration} 秒",
+        "thoughtBrief": "思考了幾秒鐘"
+    },
+    "dev": {
+        "title": "開發：XML 串流模擬器",
+        "preset": "預設：",
+        "selectPreset": "選擇預設...",
+        "clear": "清除",
+        "placeholder": "在此貼上 mxCell XML 或選擇預設...",
+        "interval": "間隔：",
+        "chars": "字元：",
+        "streaming": "串流傳輸中...",
+        "simulate": "模擬",
+        "stop": "停止",
+        "testQuotaToast": "測試配額提示",
+        "simulatingMessage": "[開發] 模擬 XML 串流傳輸",
+        "successMessage": "成功顯示圖表。"
+    },
+    "about": {
+        "modelChange": "模型變更與用量限制",
+        "walletCrying": "（別名：我的錢包頂不住了）",
+        "seekingSponsorship": "尋求贊助（求大佬撈一把）",
+        "contactMe": "聯絡我",
+        "usageNotice": "由於使用量過高，我已將模型從 Claude 更換為 minimax-m2，並設定了一些用量限制。詳情請查看關於頁面。"
+    },
+    "sessionHistory": {
+        "tooltip": "聊天歷史",
+        "newChat": "新對話",
+        "empty": "暫無聊天紀錄",
+        "emptyHint": "開始對話吧",
+        "today": "今天",
+        "yesterday": "昨天",
+        "thisWeek": "本週",
+        "earlier": "更早",
+        "deleteTitle": "刪除此對話？",
+        "deleteDescription": "這將永久刪除此聊天工作階段及其圖表。此操作無法復原。",
+        "recentChats": "最近對話",
+        "justNow": "剛剛",
+        "searchPlaceholder": "搜尋對話...",
+        "noResults": "未找到對話"
+    },
+    "validation": {
+        "title": "驗證圖表",
+        "capturing": "截圖中",
+        "validating": "驗證中",
+        "validatingWithAttempt": "驗證中 ({attempt}/{max})",
+        "valid": "通過",
+        "validWithWarnings": "通過（有警告）",
+        "issuesFound": "發現問題",
+        "error": "錯誤",
+        "skipped": "已跳過",
+        "capturedScreenshot": "截圖預覽：",
+        "issuesFoundLabel": "發現的問題：",
+        "suggestions": "建議：",
+        "passedValidation": "圖表通過視覺驗證 - 未發現問題。",
+        "improvementRequested": "改進請求已傳送 - 請查看下方新圖表",
+        "improveWithSuggestions": "根據建議改進",
+        "regenerateWithFeedback": "使用驗證回饋重新產生圖表"
+    },
+    "modelConfig": {
+        "title": "AI 模型配置",
+        "description": "配置多個 AI 提供商和模型",
+        "configure": "配置",
+        "addProvider": "新增提供商",
+        "addModel": "新增模型",
+        "modelId": "模型 ID",
+        "modelLabel": "顯示名稱",
+        "streaming": "啟用串流輸出",
+        "deleteProvider": "刪除提供商",
+        "deleteModel": "刪除模型",
+        "noModels": "尚未配置模型。新增模型以開始使用。",
+        "selectProvider": "選擇一個提供商或新增",
+        "configureMultiple": "配置多個 AI 提供商並輕鬆切換",
+        "apiKeyStored": "API 金鑰儲存在您的瀏覽器本機",
+        "test": "測試",
+        "validationError": "驗證失敗",
+        "addModelFirst": "請先新增至少一個模型以進行驗證",
+        "providers": "提供商",
+        "addProviderHint": "新增提供商即可開始使用",
+        "verified": "已驗證",
+        "configuration": "配置",
+        "displayName": "顯示名稱",
+        "awsAccessKeyId": "AWS 存取金鑰 ID",
+        "awsSecretAccessKey": "AWS Secret Access Key",
+        "awsRegion": "AWS 區域",
+        "selectRegion": "選擇區域",
+        "apiKey": "API 金鑰",
+        "enterApiKey": "輸入您的 API 金鑰",
+        "enterSecretKey": "輸入您的 Secret Key",
+        "baseUrl": "基礎 URL",
+        "optional": "（可選）",
+        "baseUrlWithExample": "基礎 URL（可選，例如 {example}）",
+        "customEndpoint": "自訂端點 URL",
+        "models": "模型",
+        "customModelId": "自訂模型 ID...",
+        "allAdded": "已全部新增",
+        "suggested": "推薦",
+        "noModelsConfigured": "尚未配置模型",
+        "modelIdEmpty": "模型 ID 不能為空",
+        "modelIdExists": "此模型 ID 已存在",
+        "configureProviders": "配置 AI 提供商",
+        "selectProviderHint": "從列表中選擇提供商或新增以配置 API 金鑰和模型",
+        "deleteConfirmDesc": "確定要刪除 {name} 嗎？這將移除所有配置的模型且無法復原。",
+        "typeToConfirm": "輸入「{name}」以確認",
+        "typeProviderName": "輸入提供商名稱...",
+        "modelsConfiguredCount": "已配置 {count} 個模型",
+        "validationFailedCount": "{count} 個模型驗證失敗",
+        "cancel": "取消",
+        "delete": "刪除",
+        "clickToChange": "（點擊變更）",
+        "usingServerDefault": "使用伺服器預設模型",
+        "selectModel": "選擇模型",
+        "searchModels": "搜尋模型...",
+        "noVerifiedModels": "沒有已驗證的模型。請先測試您的模型。",
+        "noModelsFound": "未找到模型。",
+        "default": "預設",
+        "serverDefault": "伺服器預設",
+        "serverModels": "伺服器模型",
+        "userModels": "使用者模型",
+        "configureModels": "配置模型...",
+        "onlyVerifiedShown": "僅顯示已驗證的模型",
+        "showUnvalidatedModels": "顯示未驗證的模型",
+        "allModelsShown": "顯示所有模型（包括未驗證的）",
+        "unvalidatedModelWarning": "此模型尚未驗證",
+        "serverDefaultModel": "伺服器預設模型"
+    }
+}
--- a/lib/i18n/dictionaries/zh.json
+++ b/lib/i18n/dictionaries/zh.json
@@ -34,7 +34,7 @@
    "chat": {
        "placeholder": "描述您的图表或上传文件...",
        "send": "发送",
-        "sending": "发送中...",
+        "stopGeneration": "停止生成",
        "sendMessage": "发送消息",
        "clearConversation": "清除对话",
        "diagramHistory": "图表历史",
@@ -77,6 +77,8 @@
    "settings": {
        "title": "设置",
        "description": "配置您的应用程序设置。",
+        "apiKeysModels": "API 密钥和模型",
+        "apiKeysModelsDescription": "配置 AI 提供商和 API 密钥。",
        "accessCode": "访问码",
        "accessCodePlaceholder": "输入访问码",
        "accessCodeDescription": "使用此应用程序需要访问码。",
--- a/lib/system-prompts.ts
+++ b/lib/system-prompts.ts
@@ -11,6 +11,7 @@ export const DEFAULT_SYSTEM_PROMPT = `
 You are an expert diagram creation assistant specializing in draw.io XML generation.
 Your primary function is chat with user and crafting clear, well-organized visual diagrams through precise XML specifications.
 You can see images that users upload, and you can read the text content extracted from PDF documents they upload.
+ALWAYS respond in the same language as the user's last message.

 When you are asked to create a diagram, briefly describe your plan about the layout and structure to avoid object overlapping or edge cross the objects. (2-3 sentences max), then use display_diagram tool to generate the XML.
 After generating or editing a diagram, you don't need to say anything. The user can see the diagram - no need to describe it.
--- a/lib/url-utils.ts
+++ b/lib/url-utils.ts
@@ -1,4 +1,5 @@
 import { z } from "zod"
+import { getApiEndpoint } from "@/lib/base-path"

 export interface UrlData {
    url: string
@@ -15,7 +16,7 @@ const UrlResponseSchema = z.object({
 })

 export async function extractUrlContent(url: string): Promise<UrlData> {
-    const response = await fetch("/api/parse-url", {
+    const response = await fetch(getApiEndpoint("/api/parse-url"), {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ url }),
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
    "name": "next-ai-draw-io",
-    "version": "0.4.11",
+    "version": "0.4.12",
    "license": "Apache-2.0",
    "private": true,
    "main": "dist-electron/main/index.js",
@@ -139,7 +139,7 @@
        "vite-tsconfig-paths": "^6.0.3",
        "vitest": "^4.0.16",
        "wait-on": "^9.0.3",
-        "wrangler": "4.58.0"
+        "wrangler": "^4.60.0"
    },
    "overrides": {
        "@openrouter/ai-sdk-provider": {
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@next-ai-drawio/mcp-server",
-    "version": "0.1.13",
+    "version": "0.1.15",
    "description": "MCP server for Next AI Draw.io - AI-powered diagram generation with real-time browser preview",
    "type": "module",
    "main": "dist/index.js",
--- a/packages/mcp-server/src/http-server.ts
+++ b/packages/mcp-server/src/http-server.ts
@@ -44,6 +44,17 @@ function isLikelyMcpSessionId(sessionId: string): boolean {
    return sessionId.startsWith("mcp-") && sessionId.length <= 128
 }

+// Find the most recent active session (for auto-redirect when no sessionId provided)
+function getMostRecentSessionId(): string | null {
+    let mostRecent: { id: string; lastUpdated: Date } | null = null
+    for (const [sessionId, state] of stateStore) {
+        if (!mostRecent || state.lastUpdated > mostRecent.lastUpdated) {
+            mostRecent = { id: sessionId, lastUpdated: state.lastUpdated }
+        }
+    }
+    return mostRecent?.id || null
+}
+
 function ensureSessionStateInitialized(sessionId: string): void {
    if (!sessionId) return
    if (!isLikelyMcpSessionId(sessionId)) return
@@ -195,6 +206,17 @@ function handleRequest(

    if (url.pathname === "/" || url.pathname === "/index.html") {
        const sessionId = url.searchParams.get("mcp") || ""
+
+        // Auto-redirect to most recent session if no sessionId provided
+        if (!sessionId) {
+            const recentSessionId = getMostRecentSessionId()
+            if (recentSessionId) {
+                res.writeHead(302, { Location: `/?mcp=${recentSessionId}` })
+                res.end()
+                return
+            }
+        }
+
        ensureSessionStateInitialized(sessionId)

        res.writeHead(200, { "Content-Type": "text/html" })
@@ -375,85 +397,202 @@ function getHtmlPage(sessionId: string): string {
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Draw.io MCP</title>
+    <title>Next AI Draw.io</title>
    <style>
+        @import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&display=swap');
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html, body { width: 100%; height: 100%; overflow: hidden; }
        #container { width: 100%; height: 100%; display: flex; flex-direction: column; }
        #header {
-            padding: 8px 16px; background: #1a1a2e; color: #eee;
-            font-family: system-ui, sans-serif; font-size: 14px;
+            padding: 0 20px; height: 52px;
+            background: linear-gradient(to bottom, #ffffff, #fafbfc);
+            border-bottom: 1px solid #e8ecf0;
+            font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
            display: flex; justify-content: space-between; align-items: center;
+            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
+            position: relative; z-index: 10;
+        }
+        #header .brand {
+            display: flex; align-items: center; gap: 10px;
+        }
+        #header .logo {
+            width: 28px; height: 28px; border-radius: 6px;
+            background: #18181b;
+            display: flex; align-items: center; justify-content: center;
+            overflow: hidden;
+        }
+        #header .logo img { width: 20px; height: 20px; filter: brightness(0) invert(1); }
+        #header .title {
+            font-size: 15px; font-weight: 600; color: #1a1a2e;
+            letter-spacing: -0.3px;
+        }
+        #header .session {
+            font-size: 11px; color: #8b95a5; font-weight: 400;
+            background: #f1f3f9; padding: 3px 8px; border-radius: 4px;
+            margin-left: 12px; font-family: 'SF Mono', Monaco, monospace;
+        }
+        #header .right { display: flex; align-items: center; gap: 12px; }
+        #save-btn {
+            display: flex; align-items: center; gap: 6px;
+            padding: 7px 14px; border-radius: 8px; font-size: 13px;
+            background: linear-gradient(to bottom, #18181b, #27272a);
+            color: white; border: none; cursor: pointer;
+            font-weight: 500; font-family: inherit;
+            box-shadow: 0 1px 2px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
+            transition: all 0.15s ease;
+        }
+        #save-btn svg { width: 14px; height: 14px; }
+        #save-btn:hover {
+            background: linear-gradient(to bottom, #27272a, #3f3f46);
+            transform: translateY(-1px);
+            box-shadow: 0 3px 8px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.1);
+        }
+        #save-btn:active { transform: translateY(0); }
+        #save-btn:disabled, #history-btn:disabled {
+            background: #e5e7eb; color: #9ca3af;
+            cursor: not-allowed; transform: none; box-shadow: none;
        }
-        #header .session { color: #888; font-size: 12px; }
-        #header .status { font-size: 12px; }
-        #header .status.connected { color: #4ade80; }
-        #header .status.disconnected { color: #f87171; }
-        #drawio { flex: 1; border: none; }
        #history-btn {
-            position: fixed; bottom: 24px; right: 24px;
-            width: 48px; height: 48px; border-radius: 50%;
-            background: #3b82f6; color: white; border: none; cursor: pointer;
-            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
-            display: flex; align-items: center; justify-content: center;
-            z-index: 1000;
+            display: flex; align-items: center; gap: 6px;
+            padding: 7px 14px; border-radius: 8px; font-size: 13px;
+            background: #f4f4f5; color: #3f3f46; border: 1px solid #e4e4e7;
+            cursor: pointer; font-weight: 500; font-family: inherit;
+            transition: all 0.15s ease;
        }
-        #history-btn:hover { background: #2563eb; }
-        #history-btn:disabled { background: #6b7280; cursor: not-allowed; }
-        #history-btn svg { width: 24px; height: 24px; }
-        #history-modal {
+        #history-btn svg { width: 14px; height: 14px; }
+        #history-btn:hover {
+            background: #e4e4e7; border-color: #d4d4d8;
+        }
+        #drawio { flex: 1; border: none; }
+        #history-modal, #save-modal {
            display: none; position: fixed; inset: 0;
-            background: rgba(0,0,0,0.5); z-index: 2000;
-            align-items: center; justify-content: center;
+            background: rgba(0,0,0,0.4); backdrop-filter: blur(4px);
+            z-index: 2000; align-items: center; justify-content: center;
        }
-        #history-modal.open { display: flex; }
+        #history-modal.open, #save-modal.open { display: flex; }
        .modal-content {
-            background: white; border-radius: 12px;
-            width: 90%; max-width: 500px; max-height: 70vh;
+            background: white; border-radius: 16px;
+            width: 90%; max-width: 480px; max-height: 70vh;
            display: flex; flex-direction: column;
+            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
+            font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
+            animation: modalIn 0.2s ease-out;
        }
-        .modal-header { padding: 16px; border-bottom: 1px solid #e5e7eb; }
-        .modal-header h2 { font-size: 18px; margin: 0; }
-        .modal-body { flex: 1; overflow-y: auto; padding: 16px; }
-        .modal-footer { padding: 12px 16px; border-top: 1px solid #e5e7eb; display: flex; gap: 8px; justify-content: flex-end; }
-        .history-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
+        @keyframes modalIn {
+            from { opacity: 0; transform: scale(0.95) translateY(-10px); }
+            to { opacity: 1; transform: scale(1) translateY(0); }
+        }
+        .modal-header {
+            padding: 20px 24px 16px; border-bottom: 1px solid #f1f3f5;
+        }
+        .modal-header h2 {
+            font-size: 17px; font-weight: 600; margin: 0; color: #18181b;
+            letter-spacing: -0.3px;
+        }
+        .modal-body { flex: 1; overflow-y: auto; padding: 20px 24px; }
+        .modal-footer {
+            padding: 16px 24px; border-top: 1px solid #f1f3f5;
+            display: flex; gap: 10px; justify-content: flex-end;
+        }
+        .history-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
        .history-item {
-            border: 2px solid #e5e7eb; border-radius: 8px; padding: 8px;
-            cursor: pointer; text-align: center;
+            border: 2px solid #e4e4e7; border-radius: 10px; padding: 10px;
+            cursor: pointer; text-align: center; transition: all 0.15s ease;
+            background: #fafafa;
+        }
+        .history-item:hover { border-color: #a1a1aa; background: white; }
+        .history-item.selected {
+            border-color: #18181b; background: white;
+            box-shadow: 0 0 0 3px rgba(24,24,27,0.1);
        }
-        .history-item:hover { border-color: #3b82f6; }
-        .history-item.selected { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.3); }
        .history-item .thumb {
-            aspect-ratio: 4/3; background: #f3f4f6; border-radius: 4px;
+            aspect-ratio: 4/3; background: #f4f4f5; border-radius: 6px;
            display: flex; align-items: center; justify-content: center;
-            margin-bottom: 4px; overflow: hidden;
+            margin-bottom: 6px; overflow: hidden;
        }
        .history-item .thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
-        .history-item .label { font-size: 12px; color: #666; }
-        .btn { padding: 8px 16px; border-radius: 6px; font-size: 14px; cursor: pointer; border: none; }
-        .btn-primary { background: #3b82f6; color: white; }
-        .btn-primary:disabled { background: #93c5fd; cursor: not-allowed; }
-        .btn-secondary { background: #f3f4f6; color: #374151; }
-        .empty { text-align: center; padding: 40px; color: #666; }
+        .history-item .label { font-size: 11px; color: #71717a; font-weight: 500; }
+        .btn {
+            padding: 9px 18px; border-radius: 8px; font-size: 13px;
+            cursor: pointer; border: none; font-weight: 500;
+            font-family: inherit; transition: all 0.15s ease;
+        }
+        .btn-primary {
+            background: linear-gradient(to bottom, #18181b, #27272a);
+            color: white;
+            box-shadow: 0 1px 2px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1);
+        }
+        .btn-primary:hover {
+            background: linear-gradient(to bottom, #27272a, #3f3f46);
+            transform: translateY(-1px);
+        }
+        .btn-primary:disabled {
+            background: #e4e4e7; color: #a1a1aa;
+            cursor: not-allowed; transform: none; box-shadow: none;
+        }
+        .btn-secondary {
+            background: #f4f4f5; color: #3f3f46; border: 1px solid #e4e4e7;
+        }
+        .btn-secondary:hover { background: #e4e4e7; }
+        .empty { text-align: center; padding: 40px; color: #71717a; font-size: 14px; }
+        .form-group { margin-bottom: 18px; }
+        .form-group label {
+            display: block; font-size: 13px; font-weight: 500;
+            margin-bottom: 8px; color: #3f3f46;
+        }
+        .form-group select, .form-group input {
+            width: 100%; padding: 10px 14px; border: 1px solid #e4e4e7;
+            border-radius: 8px; font-size: 14px; outline: none;
+            font-family: inherit; background: white;
+            transition: all 0.15s ease;
+        }
+        .form-group select:focus, .form-group input:focus {
+            border-color: #18181b;
+            box-shadow: 0 0 0 3px rgba(24,24,27,0.08);
+        }
+        .filename-group { display: flex; }
+        .filename-group input { border-radius: 8px 0 0 8px; border-right: none; }
+        .filename-group .ext {
+            padding: 10px 14px; background: #f4f4f5; border: 1px solid #e4e4e7;
+            border-radius: 0 8px 8px 0; font-size: 13px; color: #71717a;
+            font-family: 'SF Mono', Monaco, monospace;
+        }
    </style>
 </head>
 <body>
    <div id="container">
        <div id="header">
-            <div>
-                <strong>Draw.io MCP</strong>
-                <span class="session">${sessionId ? `Session: ${sessionId}` : "No session"}</span>
+            <div class="brand">
+                <div class="logo">
+                    <svg viewBox="0 0 1536 1536" fill="#ffffff">
+                        <g transform="translate(0,1536) scale(0.1,-0.1)">
+                            <path d="M2765 14404 c-100 -29 -181 -58 -225 -82 -227 -125 -359 -296 -431 -560 -19 -70 -19 -108 -19 -1175 0 -1068 1 -1104 20 -1172 58 -206 159 -356 319 -474 71 -53 199 -121 226 -121 9 0 26 -5 38 -12 12 -6 62 -19 112 -29 85 -17 207 -18 2219 -19 1172 0 2133 -3 2138 -8 4 -4 7 -246 6 -538 l-3 -529 -2330 -5 c-2506 -6 -2373 -3 -2470 -54 -61 -31 -150 -113 -194 -178 -87 -128 -82 -77 -90 -1025 l-6 -838 -360 -6 c-292 -4 -368 -8 -405 -21 -194 -68 -303 -177 -373 -372 l-22 -61 1 -2887 c1 -2716 2 -2890 18 -2935 56 -153 161 -276 286 -334 126 -59 0 -54 1400 -54 1394 0 1290 -4 1410 53 95 45 198 148 242 241 62 133 58 -93 58 3026 0 2992 1 2883 -40 2990 -59 156 -183 272 -360 337 -25 9 -146 14 -440 18 l-405 5 0 540 0 540 2020 3 c1111 1 2030 0 2043 -3 l22 -5 -2 -538 -3 -537 -380 -6 c-312 -4 -388 -8 -426 -21 -195 -68 -326 -204 -383 -399 -15 -51 -16 -295 -16 -2921 0 -2778 1 -2867 19 -2920 36 -104 72 -167 134 -230 75 -78 115 -105 222 -151 l50 -22 1219 -3 c672 -1 1255 1 1300 6 109 12 217 63 298 140 73 69 107 118 144 208 l29 69 3 2880 c2 2687 1 2884 -15 2945 -48 183 -188 332 -373 398 -37 13 -114 17 -430 21 l-385 6 -3 534 c-2 421 0 536 10 543 7 4 925 8 2039 8 1718 0 2028 -2 2038 -14 8 -10 11 -154 11 -531 -1 -284 -4 -523 -7 -531 -4 -12 -69 -14 -392 -14 -354 0 -391 -2 -448 -20 -168 -52 -282 -148 -353 -295 -22 -45 -40 -91 -40 -103 0 -11 -5 -33 -10 -47 -7 -18 -10 -988 -10 -2875 0 -2393 2 -2858 14 -2902 43 -167 148 -298 293 -369 57 -27 107 -44 151 -50 88 -11 2429 -11 2508 0 210 31 416 238 445 450 6 39 8 1245 7 2926 -3 2713 -4 2862 -21 2900 -41 93 -74 150 -110 191 -46 52 -149 134 -169 134 -8 0 -19 5 -24 10 -6 6 -42 19 -80 30 -63 18 -100 20 -415 20 -307 0 -348 2 -353 16 -3 9 -6 390 -6 848 0 797 -1 834 -19 886 -31 87 -50 118 -111 183 -66 70 -141 119 -221 144 -50 16 -228 18 -2389 23 l-2335 5 0 535 0 535 2165 5 c1191 3 2170 8 2176 12 6 4 35 12 65 17 201 35 435 198 539 376 55 93 82 153 110 245 19 63 20 94 20 1167 0 1047 -1 1106 -19 1180 -70 290 -275 523 -539 613 -160 54 232 50 -5028 49 -4182 0 -4856 -2 -4899 -15z"/>
+                        </g>
+                    </svg>
+                </div>
+                <span class="title">Next AI Draw.io</span>
+                ${sessionId ? `<span class="session">${sessionId.slice(-8)}</span>` : ""}
+            </div>
+            <div class="right">
+                <button id="history-btn" title="History" ${sessionId ? "" : "disabled"}>
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                        <circle cx="12" cy="12" r="10"></circle>
+                        <polyline points="12 6 12 12 16 14"></polyline>
+                    </svg>
+                    History
+                </button>
+                <button id="save-btn" ${sessionId ? "" : "disabled"}>
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                        <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path>
+                        <polyline points="7 10 12 15 17 10"></polyline>
+                        <line x1="12" y1="15" x2="12" y2="3"></line>
+                    </svg>
+                    Download
+                </button>
            </div>
-            <div id="status" class="status disconnected">Connecting...</div>
        </div>
-        <iframe id="drawio" src="${normalizeUrl(DRAWIO_BASE_URL)}/?embed=1&proto=json&spin=1&libraries=1"></iframe>
+        <iframe id="drawio" src="${normalizeUrl(DRAWIO_BASE_URL)}/?embed=1&proto=json&spin=1&libraries=1&noSaveBtn=1&noExitBtn=1&saveAndExit=0"></iframe>
    </div>
-    <button id="history-btn" title="History" ${sessionId ? "" : "disabled"}>
-        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-            <circle cx="12" cy="12" r="10"></circle>
-            <polyline points="12 6 12 12 16 14"></polyline>
-        </svg>
-    </button>
    <div id="history-modal">
        <div class="modal-content">
            <div class="modal-header"><h2>History</h2></div>
@@ -467,10 +606,35 @@ function getHtmlPage(sessionId: string): string {
            </div>
        </div>
    </div>
+    <div id="save-modal">
+        <div class="modal-content">
+            <div class="modal-header"><h2>Download Diagram</h2></div>
+            <div class="modal-body">
+                <div class="form-group">
+                    <label>Format</label>
+                    <select id="save-format">
+                        <option value="drawio">Draw.io (.drawio)</option>
+                        <option value="png">PNG Image (.png)</option>
+                        <option value="svg">SVG Vector (.svg)</option>
+                    </select>
+                </div>
+                <div class="form-group">
+                    <label>Filename</label>
+                    <div class="filename-group">
+                        <input type="text" id="save-filename" value="diagram" placeholder="Enter filename">
+                        <span class="ext" id="save-ext">.drawio</span>
+                    </div>
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button class="btn btn-secondary" id="save-cancel-btn">Cancel</button>
+                <button class="btn btn-primary" id="save-confirm-btn">Save</button>
+            </div>
+        </div>
+    </div>
    <script>
        const sessionId = "${sessionId}";
        const iframe = document.getElementById('drawio');
-        const statusEl = document.getElementById('status');
        let currentVersion = 0, isReady = false, pendingXml = null, lastXml = null;
        let pendingSvgExport = null;
        let pendingAiSvg = false;
@@ -481,8 +645,6 @@ function getHtmlPage(sessionId: string): string {
                const msg = JSON.parse(e.data);
                if (msg.event === 'init') {
                    isReady = true;
-                    statusEl.textContent = 'Ready';
-                    statusEl.className = 'status connected';
                    if (pendingXml) { loadDiagram(pendingXml); pendingXml = null; }
                } else if ((msg.event === 'save' || msg.event === 'autosave') && msg.xml && msg.xml !== lastXml) {
                    // Request SVG export, then push state with SVG
@@ -491,6 +653,23 @@ function getHtmlPage(sessionId: string): string {
                    // Fallback if export doesn't respond
                    setTimeout(() => { if (pendingSvgExport === msg.xml) { pushState(msg.xml, ''); pendingSvgExport = null; } }, 2000);
                } else if (msg.event === 'export' && msg.data) {
+                    // Handle file download export (PNG/SVG only, drawio uses lastXml directly)
+                    if (pendingDownload && (pendingDownload.format === 'png' || pendingDownload.format === 'svg')) {
+                        const dl = pendingDownload;
+                        pendingDownload = null;
+                        let dataUrl = msg.data;
+                        if (!dataUrl.startsWith('data:')) {
+                            const mime = dl.format === 'png' ? 'image/png' : 'image/svg+xml';
+                            dataUrl = 'data:' + mime + ';base64,' + btoa(unescape(encodeURIComponent(msg.data)));
+                        }
+                        const a = document.createElement('a');
+                        a.href = dataUrl; a.download = dl.filename;
+                        document.body.appendChild(a); a.click(); document.body.removeChild(a);
+                        saveModal.classList.remove('open');
+                        saveConfirmBtn.disabled = false;
+                        saveConfirmBtn.textContent = 'Save';
+                        return;
+                    }
                    // Handle sync export (XML format) - server requested fresh state
                    if (pendingSyncExport && !msg.data.startsWith('data:') && !msg.data.startsWith('<svg')) {
                        pendingSyncExport = false;
@@ -563,6 +742,64 @@ function getHtmlPage(sessionId: string): string {

        if (sessionId) { poll(); setInterval(poll, 2000); }

+        // Save modal
+        const saveBtn = document.getElementById('save-btn');
+        const saveModal = document.getElementById('save-modal');
+        const saveFormat = document.getElementById('save-format');
+        const saveFilename = document.getElementById('save-filename');
+        const saveExt = document.getElementById('save-ext');
+        const saveCancelBtn = document.getElementById('save-cancel-btn');
+        const saveConfirmBtn = document.getElementById('save-confirm-btn');
+        let pendingDownload = null;
+
+        const extMap = { drawio: '.drawio', png: '.png', svg: '.svg' };
+
+        saveBtn.onclick = () => {
+            if (!sessionId || !isReady) return;
+            saveModal.classList.add('open');
+            saveFilename.focus();
+            saveFilename.select();
+        };
+
+        saveFormat.onchange = () => {
+            saveExt.textContent = extMap[saveFormat.value] || '.drawio';
+        };
+
+        saveCancelBtn.onclick = () => { saveModal.classList.remove('open'); };
+        saveModal.onclick = (e) => { if (e.target === saveModal) saveCancelBtn.onclick(); };
+
+        saveConfirmBtn.onclick = () => {
+            const format = saveFormat.value;
+            const filename = (saveFilename.value.trim() || 'diagram') + extMap[format];
+            saveConfirmBtn.disabled = true;
+            saveConfirmBtn.textContent = 'Exporting...';
+
+            if (format === 'drawio') {
+                // Use lastXml directly instead of requesting export (avoids race with SVG exports)
+                let xmlData = lastXml || '';
+                if (xmlData && !xmlData.includes('<mxfile')) {
+                    xmlData = '<mxfile host="mcp"><diagram name="Page-1">' + xmlData + '</diagram></mxfile>';
+                }
+                const blob = new Blob([xmlData], { type: 'application/xml' });
+                const url = URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url; a.download = filename;
+                document.body.appendChild(a); a.click(); document.body.removeChild(a);
+                URL.revokeObjectURL(url);
+                saveModal.classList.remove('open');
+                saveConfirmBtn.disabled = false;
+                saveConfirmBtn.textContent = 'Save';
+            } else if (format === 'png') {
+                pendingDownload = { format: 'png', filename };
+                iframe.contentWindow.postMessage(JSON.stringify({ action: 'export', format: 'png', scale: 2 }), '*');
+                setTimeout(() => { saveConfirmBtn.disabled = false; saveConfirmBtn.textContent = 'Save'; pendingDownload = null; }, 5000);
+            } else if (format === 'svg') {
+                pendingDownload = { format: 'svg', filename };
+                iframe.contentWindow.postMessage(JSON.stringify({ action: 'export', format: 'svg' }), '*');
+                setTimeout(() => { saveConfirmBtn.disabled = false; saveConfirmBtn.textContent = 'Save'; pendingDownload = null; }, 5000);
+            }
+        };
+
        // History UI
        const historyBtn = document.getElementById('history-btn');
        const historyModal = document.getElementById('history-modal');
--- a/proxy.ts
+++ b/proxy.ts
@@ -31,6 +31,7 @@ export function proxy(request: NextRequest) {
    if (
        pathname.startsWith("/api/") ||
        pathname.startsWith("/_next/") ||
+        pathname.startsWith("/drawio") ||
        pathname.includes("/favicon") ||
        /\.(.*)$/.test(pathname)
    ) {
--- a/scripts/afterPack.cjs
+++ b/scripts/afterPack.cjs
@@ -1,6 +1,7 @@
 /**
 * electron-builder afterPack hook
 * Copies node_modules to the standalone directory in the packaged app
+ * and ad-hoc signs macOS apps for offline draw.io bundle compatibility
 */

 const {
@@ -12,6 +13,7 @@ const {
    statSync,
 } = require("fs")
 const path = require("path")
+const { execSync } = require("child_process")

 /**
 * Copy directory recursively, converting symlinks to regular files/directories.
@@ -80,4 +82,22 @@ module.exports = async (context) => {
                "Ensure 'npm run electron:prepare' was run before building.",
        )
    }
+
+    // Ad-hoc sign macOS apps to fix signature issues with bundled draw.io files
+    if (context.packager.platform.name === "mac") {
+        const appPath = path.join(
+            appOutDir,
+            `${context.packager.appInfo.productFilename}.app`,
+        )
+        console.log(`[afterPack] Ad-hoc signing macOS app: ${appPath}`)
+        try {
+            execSync(`codesign --force --deep --sign - "${appPath}"`, {
+                stdio: "inherit",
+            })
+            console.log("[afterPack] Ad-hoc signing completed successfully")
+        } catch (error) {
+            console.error("[afterPack] Ad-hoc signing failed:", error.message)
+            throw error
+        }
+    }
 }
--- a/tests/unit/ai-providers.test.ts
+++ b/tests/unit/ai-providers.test.ts
@@ -168,6 +168,11 @@ describe("supportsImageInput", () => {
        expect(supportsImageInput("moonshot/kimi-k2")).toBe(false)
    })

+    it("returns true for Kimi K2.5 models (supports vision)", () => {
+        expect(supportsImageInput("kimi-k2.5")).toBe(true)
+        expect(supportsImageInput("moonshotai/kimi-k2.5")).toBe(true)
+    })
+
    it("returns false for DeepSeek text models", () => {
        expect(supportsImageInput("deepseek-chat")).toBe(false)
        expect(supportsImageInput("deepseek-coder")).toBe(false)
Author	SHA1	Message	Date
dayuan.jiang	1d3a498306	fix: improve Kimi K2.5 image support logic and add tests - Only block kimi-k2 specifically, not all Kimi models - Add unit test for kimi-k2.5 image support	2026-02-02 00:05:50 +09:00
dayuan.jiang	2712f6d67c	fix: enable image support for Kimi K2.5 model Kimi K2.5 supports image input but was incorrectly blocked by the supportsImageInput check that excluded all Kimi models without "vision" in the name. Updated the condition to only exclude the older K2 model while allowing K2.5.	2026-02-01 23:14:56 +09:00
Dayuan Jiang	b84b156c8c	chore: update Volcengine referral link to new year campaign (#666 ) Update the Volcengine referral URL from console.volcengine.com to the new year referral campaign URL across all documentation and code files.	2026-01-30 14:05:16 +09:00
Dayuan Jiang	c6eab07622	Merge pull request #660 from broBinChen/feat/add-stop-generation-button feat: add stop button to cancel AI generation	2026-01-30 11:22:53 +09:00
xiaobin	c382d3c0f4	fix(i18n): remove dict.chat.sending key from i18n	2026-01-30 09:40:32 +08:00
broBinChen	e065d4b727	Merge branch 'DayuanJiang:main' into feat/add-stop-generation-button	2026-01-30 09:34:45 +08:00
Dayuan Jiang	b2b9614404	Merge pull request #657 from shibamudi/fix/path-handling-with-basepath Fix: path handling with basepath	2026-01-30 00:42:25 +09:00
shibamudi	1b96325fea	Adds pathname to effect dependencies Ensures the effect hook updates correctly when the pathname changes, improving synchronization with route-based state changes.	2026-01-30 00:02:26 +09:00
shibamudi	19dd4e287f	Uses dynamic API endpoint for URL parsing Replaces hardcoded API path with a dynamic endpoint resolver to support flexible deployments and ensure correct API routing in different environments.	2026-01-30 00:02:26 +09:00
shibamudi	699767f392	Uses dynamic API base path for model fetch Replaces the hardcoded API endpoint with a function that retrieves the correct base path for server model requests. Improves compatibility with deployments where the API is not served from the root path.	2026-01-30 00:02:26 +09:00
shibamudi	feeb9ec0c5	Refactors image component to support ref forwarding Enables ref forwarding for improved integration with parent components and libraries that require direct DOM access. Enhances flexibility and maintainability by switching to a forwardRef implementation.	2026-01-30 00:02:26 +09:00
十八亩地	f1a3044224	Update components/image-with-basepath.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
十八亩地	71a1d02e28	Update components/chat-panel.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
十八亩地	2d17963b2a	Update components/image-with-basepath.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
十八亩地	3721b16d18	Update components/image-with-basepath.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
十八亩地	cbde35fb54	Update import path for getAssetUrl function	2026-01-30 00:02:26 +09:00
十八亩地	f098e557fc	Update components/image-with-basepath.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
十八亩地	a245dcb150	Update components/image-with-basepath.tsx Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-30 00:02:26 +09:00
shibamudi	f2f5ac907d	fix: update image imports to use custom Image component with base path handling	2026-01-30 00:02:26 +09:00
shibamudi	0a79536002	fix(chat-panel): update path handling with usePathname for URL management When `basePath` is set, using `window.location.pathname` causes the `basePath` to be duplicated.	2026-01-30 00:02:25 +09:00
Biki Kalita	f2c8fea58d	i18n: localize stop button aria-label with `chat.stopGeneration` key across dictionaries	2026-01-29 19:10:25 +05:30
Dayuan Jiang	31fffcc52d	Merge pull request #664 from DayuanJiang/fix/ollama-client-base-url Supports client-provided base URL for Ollama	2026-01-29 21:57:05 +09:00
Dayuan Jiang	0a03ac9f45	Merge pull request #663 from DayuanJiang/fix/ollama-allowed-client-provider Adds Ollama to allowed client providers list	2026-01-29 21:57:00 +09:00
Dayuan Jiang	6dad6ab147	Merge pull request #662 from DayuanJiang/fix/ollama-ssrf-exception Adds Ollama to SSRF protection exception list	2026-01-29 21:56:54 +09:00
dayuan.jiang	8781520ebb	Supports client-provided base URL for Ollama Previously, Ollama only used the OLLAMA_BASE_URL environment variable. Now client-provided base URL from settings takes priority, allowing users to configure custom Ollama endpoints (e.g., remote servers). Fixes #652	2026-01-29 21:25:20 +09:00
dayuan.jiang	67196225f0	Adds Ollama to allowed client providers list Allows users to select Ollama as a provider from client settings. Previously, Ollama was blocked with "Invalid provider" error even though the UI supported it. Fixes #652	2026-01-29 21:24:48 +09:00
dayuan.jiang	09a5774cba	Adds Ollama to SSRF protection exception list Ollama is a local/self-hosted model that doesn't require API keys. The SSRF protection was incorrectly blocking Ollama connections when users provided a custom base URL without an API key. Fixes #652	2026-01-29 21:24:09 +09:00
broBinChen	fdd4be6463	fix(i18n): add missing translation keys in zh-Hant.json (#659 ) * fix(i18n): add missing translation keys in zh-Hant.json * fix(security): update next to fix high severity vulnerabilities --------- Co-authored-by: dayuan.jiang <jdy.toh@gmail.com>	2026-01-29 20:33:03 +09:00
xiaobin	f8a0ebd149	feat: add stop button to cancel AI generation	2026-01-29 12:40:40 +08:00
broBinChen	c9dd54dad7	fix(i18n): add missing translation keys in zh-Hant.json	2026-01-29 12:33:15 +08:00
Marvelous Ikponmwosa	1258f98478	feat: Add "API Keys & Models" link in Settings Dialog for better discoverability (#645 ) * added api key and model in settings dialog * added aria-label * removed configure option from model-selector.tsx	2026-01-28 22:36:54 +09:00
yujinze	f6f693ee8d	Merge pull request #650 from DayuanJiang/feat/add-zh-hant-locale feat(i18n): add Traditional Chinese (zh-Hant) locale	2026-01-27 20:02:02 +09:00
Jinze Yu	9398117368	feat(i18n): add Traditional Chinese (zh-Hant) locale Add full Traditional Chinese support for Hong Kong/Taiwan users by creating a zh-Hant dictionary and registering the locale across the web app, metadata, and Electron desktop menu system.	2026-01-27 13:22:33 +09:00
Dayuan Jiang	cb0c0fbcda	Revert "fix(electron): prevent beforeunload prompt by using autosave (#642 )" (#646 ) This reverts commit `e7c29fb410`. The PR introduced an IndexedDB error: 'Failed to execute transaction on IDBDatabase: The database connection is closing.'	2026-01-27 09:20:42 +09:00
Dayuan Jiang	e7c29fb410	fix(electron): prevent beforeunload prompt by using autosave (#642 ) * fix(electron): prevent beforeunload prompt by using autosave - Enable draw.io autosave and handle autosave events to update chartXML - Clear modified state after autosave to avoid beforeunload prompts - Disable confirmExit in draw.io configuration - Set modified=false and keepmodified=false URL parameters - Fix session save condition to also save when only diagram exists * fix: persist diagram-only saves and ref typing * fix: harden persistence checks and export timeout	2026-01-26 22:04:41 +09:00
Subhajeetch	f0dd199cd1	feat(prompt): add language-aware response rules with english fallback (#641 ) * feat(prompt): add language-aware response rules with english fallback Added language handling rules for user interactions. * refactor(prompt): simplify language matching instruction	2026-01-26 15:32:07 +09:00
Dayuan Jiang	7656b64018	chore: switch to release signing policy for Windows builds (#639 )	2026-01-24 20:47:44 +09:00
Dayuan Jiang	c3f88e54fe	chore: bump version to 0.4.12 (#638 )	2026-01-24 19:25:47 +09:00
Dayuan Jiang	a55ef7adf9	feat(electron): bundle draw.io for offline support (#629 ) * feat(electron): bundle draw.io for offline support - Download draw.io static files during CI build (v29.3.5) - Detect Electron and use local draw.io files instead of CDN - Add offline=1 parameter to disable external service calls - Skip /drawio path from i18n middleware redirect - Add public/drawio/ to .gitignore (downloaded during build) This allows the Electron app to work completely offline. * chore: bump version to 0.4.12-beta.3 for offline test * fix(electron): ad-hoc sign macOS app for bundled draw.io compatibility * chore: bump version to 0.4.12-beta.4 for ad-hoc sign test * fix(electron): disable electron-builder signing to use custom ad-hoc signing * chore: bump version to 0.4.12-beta.5	2026-01-24 12:47:51 +09:00
Dayuan Jiang	984eaae04d	feat(mcp): update UI with project logo and modern dialog styles (#636 ) * feat(mcp): update UI with project logo and modern dialog styles - Replace Next.js logo with project favicon-white.svg - Modernize modal dialogs with backdrop blur, animations, and DM Sans font - Update button styles to match header design - Change title to "Next AI Draw.io" - Rename "Save" to "Download" for clarity - Bump version to 0.1.15 * chore: remove dead code (unused download helpers and pendingManualSave)	2026-01-24 12:43:39 +09:00
Dayuan Jiang	0ed06360aa	fix(mcp): auto-redirect to active session when no sessionId provided (#634 ) Fixes #633 - browser showing infinite loading spinner when accessing the MCP server URL without the session parameter. When users access http://localhost:6002 directly (without ?mcp=xxx), the page now auto-redirects to the most recent active session instead of showing "No session" with an infinite loading spinner.	2026-01-24 11:03:58 +09:00
Biki Kalita	b0313eb2dc	feat: implement collapsible view for extracted URL content in chat (#616 ) * feat: implement collapsible view for extracted URL content in chat * Apply suggestion from @Copilot Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Apply suggestion from @Copilot Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * refactor: simplify iconColor ternary by removing redundant url condition --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-24 10:44:11 +09:00
Dayuan Jiang	dc37ce7fb1	fix: upgrade wrangler to ^4.60.0 to address CVE-2026-0933 (#628 ) Upgrade wrangler from 4.58.0 to ^4.60.0 to fix the command injection vulnerability (CWE-78) in the --commit-hash parameter of wrangler pages deploy command. Fixes #627	2026-01-23 08:38:07 +09:00