chore: import upstream snapshot with attribution

tools/mcp/github-artifacts/test-github_issue_attachments.js

@@ -0,0 +1,141 @@
+// Test script for github_issue_attachments tool
+// Run with: node test-github_issue_attachments.js
+// Make sure GITHUB_TOKEN is set in environment
+
+import { spawn } from "child_process";
+import fs from "fs/promises";
+import path from "path";
+import { fileURLToPath } from "url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+const extractFolder = path.join(__dirname, "test-extracts");
+
+const server = spawn("node", ["server.js"], {
+  stdio: ["pipe", "pipe", "inherit"],
+  env: { ...process.env }
+});
+
+// Send initialize request
+const initRequest = {
+  jsonrpc: "2.0",
+  id: 1,
+  method: "initialize",
+  params: {
+    protocolVersion: "2024-11-05",
+    capabilities: {},
+    clientInfo: { name: "test-client", version: "1.0.0" }
+  }
+};
+
+server.stdin.write(JSON.stringify(initRequest) + "\n");
+
+// Send list tools request
+setTimeout(() => {
+  const listToolsRequest = {
+    jsonrpc: "2.0",
+    id: 2,
+    method: "tools/list",
+    params: {}
+  };
+  server.stdin.write(JSON.stringify(listToolsRequest) + "\n");
+}, 500);
+
+// Send call tool request - test with PowerToys issue that has ZIP attachments
+setTimeout(() => {
+  const callToolRequest = {
+    jsonrpc: "2.0",
+    id: 3,
+    method: "tools/call",
+    params: {
+      name: "github_issue_attachments",
+      arguments: {
+        owner: "microsoft",
+        repo: "PowerToys",
+        issueNumber: 39476,  // Has PowerToysReport_*.zip attachment
+        extractFolder: extractFolder,
+        maxFiles: 20
+      }
+    }
+  };
+  server.stdin.write(JSON.stringify(callToolRequest) + "\n");
+}, 1000);
+
+// Track summary
+let summary = { zips: 0, files: 0, extractPath: "" };
+let buffer = "";
+
+// Read responses
+server.stdout.on("data", (data) => {
+  buffer += data.toString();
+  
+  // Try to parse complete JSON objects from buffer
+  const lines = buffer.split("\n");
+  buffer = lines.pop() || ""; // Keep incomplete line in buffer
+  
+  for (const line of lines) {
+    if (!line.trim()) continue;
+    try {
+      const response = JSON.parse(line);
+      console.log("\n=== Response ===");
+      console.log("ID:", response.id);
+      if (response.result?.tools) {
+        console.log("Tools:", response.result.tools.map(t => t.name));
+      } else if (response.result?.content) {
+        for (const item of response.result.content) {
+          if (item.type === "text") {
+            // Truncate long file contents for display
+            const text = item.text;
+            if (text.startsWith("---") && text.length > 500) {
+              console.log(text.substring(0, 500) + "\n... [truncated]");
+            } else {
+              console.log(text);
+            }
+            
+            // Track stats
+            if (text.includes("ZIP attachment")) {
+              const match = text.match(/Found (\d+) ZIP/);
+              if (match) summary.zips = parseInt(match[1]);
+            }
+            if (text.includes("extracted to:")) {
+              summary.extractPath = text.match(/extracted to: (.+)/)?.[1] || "";
+            }
+            if (text.includes("Files:")) {
+              summary.files = (text.match(/  /g) || []).length;
+            }
+          }
+        }
+      } else {
+        console.log("Result:", JSON.stringify(response.result, null, 2));
+      }
+    } catch (e) {
+      // Likely incomplete JSON, will be in next chunk
+    }
+  }
+});
+
+// Exit after 60 seconds (ZIP download may take time)
+setTimeout(() => {
+  console.log("\n" + "=".repeat(50));
+  console.log("=== Test Summary ===");
+  console.log("=".repeat(50));
+  console.log(`ZIP files found: ${summary.zips}`);
+  console.log(`Files extracted: ${summary.files}`);
+  if (summary.extractPath) {
+    console.log(`Extract location: ${summary.extractPath}`);
+  }
+  console.log("=".repeat(50));
+  console.log("Cleaning up extracted files...");
+  fs.rm(extractFolder, { recursive: true, force: true })
+    .then(() => {
+      console.log("Cleanup done.");
+    })
+    .catch((err) => {
+      console.log(`Cleanup failed: ${err.message}`);
+    })
+    .finally(() => {
+      console.log("Test complete!");
+      server.kill();
+      process.exit(0);
+    });
+}, 60000);