Merged in feature/track-filesize (pull request #200)

track file sizes for all documents in system

* feature complete

needs dev testing

cmd/docInitRunner/main.go

@@ -24,6 +24,7 @@ import (
 	documentinit "queryorchestration/internal/document/init"
 	"queryorchestration/internal/server/runner"
 	"queryorchestration/internal/serviceconfig/build"
+	"queryorchestration/internal/serviceconfig/objectstore"
 	documentsyncc "queryorchestration/internal/serviceconfig/queue/documentsync"
 
 	_ "github.com/lib/pq"
@@ -32,6 +33,7 @@ import (
 type DocInitConfig struct {
 	runner.BaseConfig[docinitrunner.Body]
 	documentsyncc.DocSyncConfig
+	objectstore.ObjectStoreConfig // Provides GetStoreClient() for S3 access to measure file size
 }
 
 func main() {
@@ -57,6 +59,12 @@ func main() {
 		os.Exit(1)
 	}
 
+	// Initialize S3 client for file size measurement AFTER runner.New() parses env vars
+	if err := cfg.SetStoreClient(ctx); err != nil {
+		slog.Error("failed to initialize S3 client", "error", err)
+		os.Exit(1)
+	}
+
 	// optional add shutdown metrics
 	defer func() {
 		err = cfg.GetMetrics().RecordLifecycleEvent(1.0, "shutdown", "main")