BREAKING CHANGE(core): rebrand from smarts3 to smartstorage

- Package renamed from @push.rocks/smarts3 to @push.rocks/smartstorage
- Class: Smarts3 → SmartStorage, Interface: ISmarts3Config → ISmartStorageConfig
- Method: getS3Descriptor → getStorageDescriptor
- Rust binary: rusts3 → ruststorage
- Rust types: S3Error→StorageError, S3Action→StorageAction, S3Config→SmartStorageConfig, S3Server→StorageServer
- On-disk file extension: ._S3_object → ._storage_object
- Default credentials: S3RVER → STORAGE
- All internal S3 branding removed; AWS S3 protocol compatibility fully maintained

npmextra.json

@@ -10,14 +10,15 @@
     "module": {
       "githost": "code.foss.global",
       "gitscope": "push.rocks",
-      "gitrepo": "smarts3",
-      "description": "A Node.js TypeScript package to create a local S3 endpoint for simulating AWS S3 operations using mapped local directories for development and testing purposes.",
-      "npmPackagename": "@push.rocks/smarts3",
+      "gitrepo": "smartstorage",
+      "description": "A Node.js TypeScript package to create a local S3-compatible storage server using mapped local directories for development and testing purposes.",
+      "npmPackagename": "@push.rocks/smartstorage",
       "license": "MIT",
       "projectDomain": "push.rocks",
       "keywords": [
-        "S3 Mock Server",
-        "Local S3",
+        "smartstorage",
+        "S3 Compatible",
+        "Local Storage Server",
         "Node.js",
         "TypeScript",
         "Local Development",
@@ -26,8 +27,8 @@
         "File Storage",
         "AWS S3 Compatibility",
         "Development Tool",
-        "S3 Endpoint",
-        "S3 Simulation",
+        "Storage Endpoint",
+        "Storage Simulation",
         "Bucket Management",
         "File Upload",
         "CI/CD Integration",