feat(scripts/demo): implement automated killer workflow demonstration script

scripts/run-demo.ts

@@ -0,0 +1,33 @@
+import * as fs from 'node:fs';
+import * as path from 'node:path';
+import { ProofCodeEngine } from '../src/engine/proofCodeEngine';
+import { ReportFormatter } from '../src/engine/reportFormatter';
+
+async function main() {
+  const demoRoot = path.resolve(__dirname, '../examples/demo-app');
+  console.log('\n===============================================================');
+  console.log('   🚀 PROOFCODE KILLER WORKFLOW DEMO (Next.js AI Change)       ');
+  console.log('===============================================================');
+  console.log(`Analyzing codebase at: ${demoRoot}\n`);
+
+  const engine = new ProofCodeEngine(demoRoot);
+  const report = await engine.verify();
+
+  console.log(ReportFormatter.toTerminal(report));
+
+  // Write demo report
+  const reportDir = path.join(demoRoot, '.proofcode');
+  if (!fs.existsSync(reportDir)) {
+    fs.mkdirSync(reportDir, { recursive: true });
+  }
+
+  const reportPath = path.join(reportDir, 'report.md');
+  fs.writeFileSync(reportPath, ReportFormatter.toMarkdown(report), 'utf8');
+
+  console.log(`\n📄 Generated Markdown Verification Report at:\n${reportPath}\n`);
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});