chore: remove swagger deps, parallelize CI jobs

- Remove @fastify/swagger and @fastify/swagger-ui (API docs live on GitHub Pages)
- Run typecheck, build, and docker CI jobs in parallel instead of sequentially

apps/api/src/routes/progress.ts

@@ -86,6 +86,9 @@ export async function registerProgressRoutes(
     ) => {
       const { jobId } = request.params;
 
+      // Take over the response from Fastify for SSE streaming
+      reply.hijack();
+
       // Send SSE headers via the raw Node response
       reply.raw.writeHead(200, {
         "Content-Type": "text/event-stream",