fix: 6 bugs (timeline path value, seer SSE cursor, erasure checksum, subtle compare, build status code, dead WorkerName branch)

internal/api/handlers/forge.go

@@ -70,7 +70,7 @@ func (h *ForgeHandler) TriggerBuild(w http.ResponseWriter, r *http.Request) {
 
 	builds, err := h.Pipeline.BuildAll(req.Public)
 	if err != nil {
-		auth.JSON(w, http.StatusOK, map[string]any{
+		auth.JSON(w, http.StatusInternalServerError, map[string]any{
 			"ok":      false,
 			"message": err.Error(),
 		})

internal/api/handlers/seer.go

@@ -36,10 +36,15 @@ func (h *SeerHandler) Stream(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Cache-Control", "no-cache")
 	w.Header().Set("Connection", "keep-alive")
 
+	// Send last 20 events as backlog, track the most recent timestamp as cursor.
+	var cursor string
 	events, _ := h.Store.ListSeerEvents(20)
 	for _, ev := range events {
 		payload, _ := json.Marshal(ev)
 		fmt.Fprintf(w, "data: %s\n\n", payload)
+		if ev.CreatedAt > cursor {
+			cursor = ev.CreatedAt
+		}
 	}
 	flusher.Flush()
 
@@ -51,13 +56,18 @@ func (h *SeerHandler) Stream(w http.ResponseWriter, r *http.Request) {
 		case <-r.Context().Done():
 			return
 		case <-ticker.C:
-			events, err := h.Store.ListSeerEvents(5)
+			newEvents, err := h.Store.ListSeerEventsSince(cursor, 50)
 			if err != nil {
 				continue
 			}
-			for _, ev := range events {
+			for _, ev := range newEvents {
 				payload, _ := json.Marshal(ev)
 				fmt.Fprintf(w, "data: %s\n\n", payload)
+				if ev.CreatedAt > cursor {
+					cursor = ev.CreatedAt
+				}
+			}
+			if len(newEvents) > 0 {
 				flusher.Flush()
 			}
 		}