Add Repomix release smoke

scripts/smoke-repomix.mjs

@@ -0,0 +1,30 @@
+import { requireToolSuccess, runSmoke, textFrom } from "./mcp-smoke-client.mjs";
+
+runSmoke({
+  usage: "usage: node scripts/smoke-repomix.mjs <command> [args...]",
+  tmpPrefix: "context-kit-repomix-smoke-",
+  timeoutMs: 120000,
+  clientInfo: { name: "context-kit-repomix-smoke", version: "0.0.0" },
+  scenario: async client => {
+    const toolNames = await client.requireTools(["pack_codebase"]);
+
+    const pack = requireToolSuccess("pack_codebase", await client.callTool("pack_codebase", {
+      directory: process.cwd(),
+      compress: true,
+      includePatterns: "README.md,snippets/opencode.json",
+      ignorePatterns: "",
+      topFilesLength: 2,
+      style: "xml"
+    }));
+
+    const packText = textFrom(pack) || JSON.stringify(pack);
+    if (!packText.includes("Successfully packed codebase") && !packText.includes("outputId")) {
+      throw new Error(`pack_codebase returned unexpected payload: ${packText.slice(0, 500)}`);
+    }
+
+    return {
+      tools: Array.from(toolNames).sort(),
+      pack_codebase: "pass"
+    };
+  }
+});