Add start time and job state to progress endpoint

.github/workflows/buf.yaml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Buf build/lint/format/breaking/push
         uses: bufbuild/buf-action@v1

apis/workflows/v1/job.proto

@@ -33,18 +33,13 @@
   tilebox.v1.ID job_id = 1 [(buf.validate.field).required = true];
 }
 
-// GetJobProgressRequest requests the status of a jobs progress bars.
+// GetJobProgressRequest requests the status of a jobs progress bars. It returns a full job object, but only
+// partially filled with progress bars, job state and a started_at timestamp.
 message GetJobProgressRequest {
   // The ID of the job to get progress for.
   tilebox.v1.ID job_id = 1 [(buf.validate.field).required = true];
 }
 
-// JobProgressResponse is the response to a GetJobProgressRequest.
-message JobProgressResponse {
-  // The progress bars for a given job.
-  repeated ProgressBar progress_bars = 1;
-}
-
 // RetryJobRequest requests a retry of a job that has failed.
 message RetryJobRequest {
   // The job to retry.
@@ -156,7 +151,7 @@
 service JobService {
   rpc SubmitJob(SubmitJobRequest) returns (Job);
   rpc GetJob(GetJobRequest) returns (Job);
-  rpc GetJobProgress(GetJobProgressRequest) returns (JobProgressResponse);
+  rpc GetJobProgress(GetJobProgressRequest) returns (Job);
   rpc RetryJob(RetryJobRequest) returns (RetryJobResponse);
   rpc CancelJob(CancelJobRequest) returns (CancelJobResponse);
   rpc VisualizeJob(VisualizeJobRequest) returns (Diagram);