chore: apply code formatting and linting

- format long import statements with consistent line wrapping
- apply consistent indentation across client and server modules
- remove generated tsconfig.tsbuildinfo file

server/test/session.controller.spec.ts

@@ -141,7 +141,9 @@ describe("SessionController", () => {
     });
 
     it("returns 404 for unknown id", async () => {
-      await request(app.getHttpServer()).delete("/sessions/00000000-0000-0000-0000-000000000001").expect(404);
+      await request(app.getHttpServer())
+        .delete("/sessions/00000000-0000-0000-0000-000000000001")
+        .expect(404);
     });
 
     it("returns 400 for non-numeric id", async () => {