feat: migrate project to Bun runtime with comprehensive configuration updates

- Updated Dockerfile to use Bun 1.0.26 as base image
- Replaced npm/yarn scripts with Bun equivalents in package.json
- Modernized .dockerignore with expanded file and directory exclusions
- Simplified jest.config.cjs to use Bun's native testing framework
- Added new ha-analyzer-cli.ts and health-check.ts utility scripts
- Configured package manager to use Bun 1.0.26

src/health-check.ts

@@ -0,0 +1,16 @@
+const check = async () => {
+    try {
+        const response = await fetch('http://localhost:3000/health');
+        if (!response.ok) {
+            console.error('Health check failed:', response.status);
+            process.exit(1);
+        }
+        console.log('Health check passed');
+        process.exit(0);
+    } catch (error) {
+        console.error('Health check failed:', error);
+        process.exit(1);
+    }
+};
+
+check();