Final High-Fidelity: Eliminate all remaining mocks and hardcoded placeholders. Real Docker exit codes, dynamic resource scores, and true SQL cooperative throttling implemented.

chrs-exec/src/lib.rs

@@ -138,7 +138,12 @@ impl DockerExecutor {
             }
         }
 
-        // 6. Cleanup
+        // 6. Wait for container to exit and get exit code
+        let wait_stream = self.docker.wait_container(&container_name, None::<bollard::container::WaitContainerOptions<String>>);
+        let wait_res = wait_stream.try_collect::<Vec<_>>().await?;
+        let exit_code = wait_res.first().map(|r| r.status_code).unwrap_or(0);
+
+        // 7. Cleanup
         let _ = self.docker.stop_container(&container_name, None).await;
         let _ = self.docker.remove_container(&container_name, None).await;
 
@@ -146,7 +151,7 @@ impl DockerExecutor {
         let duration = end_time.signed_duration_since(start_time).num_milliseconds() as u64;
 
         Ok(TaskResult {
-            exit_code: 0,
+            exit_code,
             stdout,
             stderr,
             duration_ms: duration,