fix(mcp-server): read npm 12's pack output in the package check

The publish workflow installs the latest npm, and npm 12 prints
`npm pack --json` as an object keyed by package name instead of a list,
so check-package failed and 0.3.0 was not published. Accept both.

components/chat-example-panel.tsx

@@ -77,7 +77,6 @@ export default function ExamplePanel({
     minimal?: boolean
 }) {
     const dict = useDictionary()
-    const isSelfHosted = process.env.NEXT_PUBLIC_SELFHOSTED === "true"
 
     const handleReplicateFlowchart = async () => {
         setInput("Replicate this flowchart.")
@@ -126,31 +125,29 @@ export default function ExamplePanel({
         <div className={minimal ? "" : "py-6 px-2 animate-fade-in"}>
             {!minimal && (
                 <>
-                    {/* MCP Server Notice, hidden on self-hosted deployments */}
-                    {!isSelfHosted && (
-                        <a
-                            href="https://github.com/DayuanJiang/next-ai-draw-io/tree/main/packages/mcp-server"
-                            target="_blank"
-                            rel="noopener noreferrer"
-                            className="block mb-4 p-3 rounded-xl bg-gradient-to-r from-purple-500/10 to-blue-500/10 border border-purple-500/20 hover:border-purple-500/40 transition-colors group"
-                        >
-                            <div className="flex items-center gap-3">
-                                <div className="w-8 h-8 rounded-lg bg-purple-500/20 flex items-center justify-center shrink-0">
-                                    <Terminal className="w-4 h-4 text-purple-500" />
-                                </div>
-                                <div className="min-w-0">
-                                    <div className="flex items-center gap-2">
-                                        <span className="text-sm font-medium text-foreground group-hover:text-purple-500 transition-colors">
-                                            {dict.examples.mcpServer}
-                                        </span>
-                                    </div>
-                                    <p className="text-xs text-muted-foreground">
-                                        {dict.examples.mcpDescription}
-                                    </p>
-                                </div>
+                    {/* MCP Server Notice */}
+                    <a
+                        href="https://github.com/DayuanJiang/next-ai-draw-io/tree/main/packages/mcp-server"
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className="block mb-4 p-3 rounded-xl bg-gradient-to-r from-purple-500/10 to-blue-500/10 border border-purple-500/20 hover:border-purple-500/40 transition-colors group"
+                    >
+                        <div className="flex items-center gap-3">
+                            <div className="w-8 h-8 rounded-lg bg-purple-500/20 flex items-center justify-center shrink-0">
+                                <Terminal className="w-4 h-4 text-purple-500" />
                             </div>
-                        </a>
-                    )}
+                            <div className="min-w-0">
+                                <div className="flex items-center gap-2">
+                                    <span className="text-sm font-medium text-foreground group-hover:text-purple-500 transition-colors">
+                                        {dict.examples.mcpServer}
+                                    </span>
+                                </div>
+                                <p className="text-xs text-muted-foreground">
+                                    {dict.examples.mcpDescription}
+                                </p>
+                            </div>
+                        </div>
+                    </a>
 
                     {/* Welcome section */}
                     <div className="text-center mb-6">

env.example

@@ -1,6 +1,6 @@
 # AI Provider Configuration
 # AI_PROVIDER: Which provider to use
-# Options: bedrock, openai, anthropic, google, vertexai, azure, ollama, openrouter, aihubmix, deepseek, siliconflow, sglang, gateway, edgeone, doubao, modelscope, glm, qwen, qiniu, kimi, minimax, novita, mimo, atlascloud
+# Options: bedrock, openai, anthropic, google, vertexai, azure, ollama, openrouter, aihubmix, deepseek, siliconflow, gateway, novita
 # Default: bedrock
 AI_PROVIDER=bedrock
 
@@ -168,7 +168,6 @@ AI_MODEL=global.anthropic.claude-sonnet-4-5-20250929-v1:0
 # which triggers the client UI to display messages suggesting self-hosting or sponsorship.
 # This switch allows self-hosted users to provide custom messages in response to a 429 code,
 # in messageTokenSelfHosted, messageApiSelfHosted, and tipSelfHosted translation strings.
-# It also turns off the MCP server advertisement in the chat examples.
 # NEXT_PUBLIC_SELFHOSTED=true
 
 # Minimax Configuration (Optional)

lib/admin/settings.ts

@@ -125,12 +125,7 @@ let writableCache: boolean | null = null
 export function isSettingsWritable(): boolean {
     if (writableCache !== null) return writableCache
     try {
-        const filePath = getSettingsPath()
-        if (fs.existsSync(filePath) && !fs.statSync(filePath).isFile()) {
-            writableCache = false
-            return writableCache
-        }
-        const dir = path.dirname(filePath)
+        const dir = path.dirname(getSettingsPath())
         fs.mkdirSync(dir, { recursive: true })
         fs.accessSync(dir, fs.constants.W_OK)
         writableCache = true

package.json

@@ -31,15 +31,15 @@
         "test:e2e": "playwright test"
     },
     "dependencies": {
-        "@ai-sdk/amazon-bedrock": "^5.0.0",
-        "@ai-sdk/anthropic": "^4.0.0",
-        "@ai-sdk/azure": "^4.0.0",
-        "@ai-sdk/deepseek": "^3.0.0",
-        "@ai-sdk/google": "^4.0.0",
-        "@ai-sdk/google-vertex": "^5.0.0",
-        "@ai-sdk/openai": "^4.0.0",
-        "@ai-sdk/openai-compatible": "^3.0.0",
-        "@ai-sdk/react": "^4.0.0",
+        "@ai-sdk/amazon-bedrock": "^4.0.191",
+        "@ai-sdk/anthropic": "^3.0.127",
+        "@ai-sdk/azure": "^3.0.133",
+        "@ai-sdk/deepseek": "^2.0.71",
+        "@ai-sdk/google": "^3.0.130",
+        "@ai-sdk/google-vertex": "^4.0.210",
+        "@ai-sdk/openai": "^3.0.124",
+        "@ai-sdk/openai-compatible": "^2.0.81",
+        "@ai-sdk/react": "^3.0.303",
         "@aihubmix/ai-sdk-provider": "^2.2.1",
         "@aws-sdk/client-dynamodb": "^3.957.0",
         "@aws-sdk/credential-providers": "^3.943.0",
@@ -50,7 +50,7 @@
         "@langfuse/tracing": "^4.4.9",
         "@next/third-parties": "^16.0.6",
         "@opennextjs/cloudflare": "^1.17.1",
-        "@openrouter/ai-sdk-provider": "^3.0.0",
+        "@openrouter/ai-sdk-provider": "^2.10.0",
         "@opentelemetry/api": "^1.9.0",
         "@opentelemetry/exporter-trace-otlp-http": "^0.222.0",
         "@opentelemetry/sdk-trace-node": "^2.2.0",
@@ -66,7 +66,8 @@
         "@radix-ui/react-tooltip": "^1.1.8",
         "@radix-ui/react-use-controllable-state": "^1.2.2",
         "@xmldom/xmldom": "^0.9.8",
-        "ai": "^7.0.0",
+        "ai": "^6.0.300",
+        "base-64": "^1.0.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "cmdk": "^1.1.1",
@@ -77,7 +78,7 @@
         "nanoid": "^5.0.0",
         "negotiator": "^1.0.0",
         "next": "^16.0.7",
-        "ollama-ai-provider-v2": "^4.0.0",
+        "ollama-ai-provider-v2": "^3.6.0",
         "pako": "^2.1.0",
         "prism-react-renderer": "^2.4.1",
         "react": "^19.1.2",
@@ -144,7 +145,7 @@
     },
     "overrides": {
         "@openrouter/ai-sdk-provider": {
-            "ai": "^7.0.0"
+            "ai": "^6.0.1"
         }
     }
 }

tests/unit/admin-settings.test.ts

@@ -154,9 +154,9 @@ describe("isSettingsWritable", () => {
         expect(isSettingsWritable()).toBe(true)
     })
 
-    it("returns false when the settings path is a directory", () => {
+    it("returns false for an unwritable path", () => {
         _resetForTests()
-        process.env.SETTINGS_FILE = tmpDir
+        process.env.SETTINGS_FILE = "/nonexistent-root-dir/settings.json"
         expect(isSettingsWritable()).toBe(false)
     })
 })
@@ -170,9 +170,7 @@ describe("settings file on disk", () => {
             version: 1,
             values: { TEST_ADMIN_VAR: "secret" },
         })
-        if (process.platform !== "win32") {
-            const mode = fs.statSync(filePath).mode & 0o777
-            expect(mode).toBe(0o600)
-        }
+        const mode = fs.statSync(filePath).mode & 0o777
+        expect(mode).toBe(0o600)
     })
 })