feat(ci): add RAML 1.0 package generation pipeline

- Add generate:openapi, generate:raml, package:raml scripts to package.json
- Add archiver dependency for creating tar.gz archives
- Create scripts/generate-openapi.js to fetch merged OpenAPI spec from running server
- Create scripts/package-raml.js to build versioned RAML tar.gz archive
- Create .spectral.yml with minimal OpenAPI linting rules
- Add /api/swagger.json endpoint to server/app.js for serving merged spec
- Extend swagger job in ci.yml with RAML generation steps
- Upload raml-package artifact to CI with 14-day retention

server/app.js

@@ -189,6 +189,11 @@ function createApp({ skipRateLimits = false } = {}) {
     ]
   }));
 
+  // Serve the raw OpenAPI spec as JSON
+  app.get('/api/swagger.json', (req, res) => {
+    res.json(swaggerSpec);
+  });
+
   // API routes
   app.use('/api', apiLimiter);
   app.use('/api/auth', authRoutes);