优化结构

internal/config/runtime.go

@@ -19,7 +19,9 @@ import (
 var ErrConfigPathRequired = errors.New("configuration path is required")
 
 // Store owns an immutable configuration snapshot and its Viper-backed file
-// watcher.
+// watcher. It intentionally remains separate from integration/runtimeconfig.Store:
+// this store replaces the whole file-backed application snapshot, while the
+// integration store publishes database-backed provider changes by key.
 // Every accessor returns a deep copy, so readers can safely use it without
 // coordinating with a reload in another goroutine.
 type Store struct {