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(),
 		})