fix: enhance permissions in settings and update .gitignore for local config

.claude/settings.local.json

@@ -1,7 +1,11 @@
 {
   "permissions": {
     "allow": [
-      "Bash(npm update:*)"
+      "Bash(npm update:*)",
+      "WebFetch(domain:ai-sdk.dev)",
+      "mcp__ide__getDiagnostics",
+      "Bash(npx tsc:*)",
+      "WebFetch(domain:sdk.vercel.ai)"
     ],
     "deny": [],
     "ask": []

.gitignore

@@ -40,3 +40,4 @@ yarn-error.log*
 *.tsbuildinfo
 next-env.d.ts
 push-via-ec2.sh
+.claude/settings.local.json

app/api/chat/route.ts

@@ -3,8 +3,6 @@ import { openai } from '@ai-sdk/openai';
 import { google } from '@ai-sdk/google';
 import { smoothStream, streamText, convertToModelMessages } from 'ai';
 import { createOpenRouter } from '@openrouter/ai-sdk-provider';
-import { readFileSync } from 'fs';
-import { resolve } from 'path';
 import { createGoogleGenerativeAI } from '@ai-sdk/google';
 import { createOpenAI } from '@ai-sdk/openai';
 
@@ -13,18 +11,16 @@ import { replaceXMLParts } from "@/lib/utils";
 
 export const maxDuration = 60
 const openrouter = createOpenRouter({ apiKey: process.env.OPENROUTER_API_KEY });
-// Read the XML guide from file
+
 export async function POST(req: Request) {
-  const body = await req.json();
+  try {
+    const { messages, xml } = await req.json();
 
-  // Extract messages and xml directly from the body
+    const systemMessage = `
-  const { messages, xml } = body;
+You are an expert diagram creation assistant specializing in draw.io XML generation.
-  const guide = readFileSync(resolve('./app/api/chat/xml_guide.md'), 'utf8');
+Your primary function is crafting clear, well-organized visual diagrams through precise XML specifications.
-
-  // Read and escape the guide content
-  const systemMessage = `
-You are an expert diagram creation assistant specializing in draw.io XML generation. Your primary function is crafting clear, well-organized visual diagrams through precise XML specifications.
 You can see the image that user uploaded.
+When you need to generate diagram about aws architecture, use AWS 2025 icons.
 You utilize the following tools:
 ---Tool1---
 tool name: display_diagram
@@ -60,16 +56,17 @@ When using edit_diagram tool:
 - Example GOOD edit: {"search": "  <mxCell id=\"2\" value=\"Old Text\">", "replace": "  <mxCell id=\"2\" value=\"New Text\">"}
 - Example BAD edit: Including 10+ unchanged lines just to change one attribute
 - For multiple changes, use separate edits: [{"search": "line1", "replace": "new1"}, {"search": "line2", "replace": "new2"}]
-
-here is a guide for the XML format: ${guide}
 `;
 
-  const lastMessage = messages[messages.length - 1];
+    const lastMessage = messages[messages.length - 1];
 
-  // Extract text from the last message parts
+    // Extract text from the last message parts
-  const lastMessageText = lastMessage.parts?.find((part: any) => part.type === 'text')?.text || '';
+    const lastMessageText = lastMessage.parts?.find((part: any) => part.type === 'text')?.text || '';
 
-  const formattedContent = `
+    // Extract file parts (images) from the last message
+    const fileParts = lastMessage.parts?.filter((part: any) => part.type === 'file') || [];
+
+    const formattedTextContent = `
 Current diagram XML:
 """xml
 ${xml || ''}
@@ -79,99 +76,118 @@ User input:
 ${lastMessageText}
 """`;
 
-  // Convert UIMessages to ModelMessages and add system message
+    // Convert UIMessages to ModelMessages and add system message
-  const modelMessages = convertToModelMessages(messages);
+    const modelMessages = convertToModelMessages(messages);
-  let enhancedMessages = [...modelMessages];
+    let enhancedMessages = [...modelMessages];
 
-  // Update the last message with formatted content if it's a user message
+    // Update the last message with formatted content if it's a user message
-  if (enhancedMessages.length >= 1) {
+    if (enhancedMessages.length >= 1) {
-    const lastModelMessage = enhancedMessages[enhancedMessages.length - 1];
+      const lastModelMessage = enhancedMessages[enhancedMessages.length - 1];
-    if (lastModelMessage.role === 'user') {
+      if (lastModelMessage.role === 'user') {
-      enhancedMessages = [
+        // Build content array with text and file parts
-        ...enhancedMessages.slice(0, -1),
+        const contentParts: any[] = [
-        { ...lastModelMessage, content: formattedContent }
+          { type: 'text', text: formattedTextContent }
-      ];
+        ];
+
+        // Add image parts back
+        for (const filePart of fileParts) {
+          contentParts.push({
+            type: 'image',
+            image: filePart.url,
+            mimeType: filePart.mediaType
+          });
+        }
+
+        enhancedMessages = [
+          ...enhancedMessages.slice(0, -1),
+          { ...lastModelMessage, content: contentParts }
+        ];
+      }
     }
-  }
 
-  console.log("Enhanced messages:", enhancedMessages);
+    console.log("Enhanced messages:", enhancedMessages);
 
-  const result = streamText({
+    const result = streamText({
-    // model: google("gemini-2.5-flash-preview-05-20"),
+      // model: google("gemini-2.5-flash-preview-05-20"),
-    // model: google("gemini-2.5-pro"),
+      // model: google("gemini-2.5-pro"),
-    // model: bedrock('anthropic.claude-sonnet-4-20250514-v1:0'),
+      // model: bedrock('anthropic.claude-sonnet-4-20250514-v1:0'),
-    system: systemMessage,
+      system: systemMessage,
-    model: bedrock('global.anthropic.claude-sonnet-4-5-20250929-v1:0'),
+      model: bedrock('global.anthropic.claude-sonnet-4-5-20250929-v1:0'),
-    // model: openrouter('moonshotai/kimi-k2:free'),
+      // model: openrouter('moonshotai/kimi-k2:free'),
-    // model: model,
+      // model: model,
-    // providerOptions: {
+      // providerOptions: {
-    //   google: {
+      //   google: {
-    //     thinkingConfig: {
+      //     thinkingConfig: {
-    //       thinkingBudget: 128,
+      //       thinkingBudget: 128,
-    //     },
+      //     },
-    //   }
+      //   }
-    // },
+      // },
-    // providerOptions: {
+      // providerOptions: {
-    //   openai: {
+      //   openai: {
-    //     reasoningEffort: "minimal"
+      //     reasoningEffort: "minimal"
-    //   },
+      //   },
-    // },
+      // },
-    messages: enhancedMessages,
+      messages: enhancedMessages,
-    tools: {
+      tools: {
-      // Client-side tool that will be executed on the client
+        // Client-side tool that will be executed on the client
-      display_diagram: {
+        display_diagram: {
-        description: `Display a diagram on draw.io. You only need to pass the nodes inside the <root> tag (including the <root> tag itself) in the XML string.
+          description: `Display a diagram on draw.io. You only need to pass the nodes inside the <root> tag (including the <root> tag itself) in the XML string.
-        For example:
+          For example:
-        <root>
+          <root>
-          <mxCell id="0"/>
+            <mxCell id="0"/>
-          <mxCell id="1" parent="0"/>
+            <mxCell id="1" parent="0"/>
-          <mxGeometry x="20" y="20" width="100" height="100" as="geometry"/>
-          <mxCell id="2" value="Hello, World!" style="shape=rectangle" parent="1">
             <mxGeometry x="20" y="20" width="100" height="100" as="geometry"/>
-          </mxCell>
+            <mxCell id="2" value="Hello, World!" style="shape=rectangle" parent="1">
-        </root>`,
+              <mxGeometry x="20" y="20" width="100" height="100" as="geometry"/>
-        inputSchema: z.object({
+            </mxCell>
-          xml: z.string().describe("XML string to be displayed on draw.io")
+          </root>`,
-        })
+          inputSchema: z.object({
-      },
+            xml: z.string().describe("XML string to be displayed on draw.io")
-      edit_diagram: {
+          })
-        description: `Edit specific parts of the current diagram by replacing exact line matches. Use this tool to make targeted fixes without regenerating the entire XML. 
+        },
-        
+        edit_diagram: {
+          description: `Edit specific parts of the current diagram by replacing exact line matches. Use this tool to make targeted fixes without regenerating the entire XML.
 IMPORTANT: Keep edits concise:
 - Only include the lines that are changing, plus 1-2 surrounding lines for context if needed
 - Break large changes into multiple smaller edits
 - Each search must contain complete lines (never truncate mid-line)
 - First match only - be specific enough to target the right element`,
-        inputSchema: z.object({
+          inputSchema: z.object({
-          edits: z.array(z.object({
+            edits: z.array(z.object({
-            search: z.string().describe("Exact lines to search for (including whitespace and indentation)"),
+              search: z.string().describe("Exact lines to search for (including whitespace and indentation)"),
-            replace: z.string().describe("Replacement lines")
+              replace: z.string().describe("Replacement lines")
-          })).describe("Array of search/replace pairs to apply sequentially")
+            })).describe("Array of search/replace pairs to apply sequentially")
-        })
+          })
+        },
       },
-    },
+      temperature: 0,
-    temperature: 0,
+    });
-  });
 
-  // Error handler function to provide detailed error messages
+    // Error handler function to provide detailed error messages
+    function errorHandler(error: unknown) {
+      if (error == null) {
+        return 'unknown error';
+      }
 
-  function errorHandler(error: unknown) {
+      if (typeof error === 'string') {
-    if (error == null) {
+        return error;
-      return 'unknown error';
+      }
+
+      if (error instanceof Error) {
+        return error.message;
+      }
+
+      return JSON.stringify(error);
     }
 
-    if (typeof error === 'string') {
+    return result.toUIMessageStreamResponse({
-      return error;
+      onError: errorHandler,
-    }
+    });
-
+  } catch (error) {
-    if (error instanceof Error) {
+    console.error('Error in chat route:', error);
-      return error.message;
+    return Response.json(
-    }
+      { error: 'Internal server error' },
-
+      { status: 500 }
-    return JSON.stringify(error);
+    );
   }
-
-  return result.toUIMessageStreamResponse({
-    onError: errorHandler,
-  });
 }