continuing refactor

cmdlet/get_metadata.py

@@ -28,16 +28,16 @@ class Get_Metadata(Cmdlet):
         super().__init__(
             name="get-metadata",
             summary="Print metadata for files by hash and storage backend.",
-            usage='get-metadata [-query "hash:<sha256>"] [-store <backend>]',
+            usage='get-metadata [-query "hash:<sha256>"] [-instance <backend>]',
             alias=["meta"],
             arg=[
                 SharedArgs.QUERY,
-                SharedArgs.STORE,
+                SharedArgs.INSTANCE,
             ],
             detail=[
                 "- Retrieves metadata from storage backend using file hash as identifier.",
                 "- Shows hash, MIME type, size, duration/pages, known url, and import timestamp.",
-                "- Hash and store are taken from piped result or can be overridden with -query/-store flags.",
+                "- Hash and store are taken from piped result or can be overridden with -query/-instance flags.",
                 "- All metadata is retrieved from the storage backend's database (single source of truth).",
             ],
             exec=self.run,
@@ -124,7 +124,7 @@ class Get_Metadata(Cmdlet):
         
         Args:
             title: File or resource title
-            store: Backend store name (e.g., "hydrus", "local")
+            instance: Backend store name (e.g., "hydrus", "local")
             path: File path or resource identifier
             mime: MIME type (e.g., "image/jpeg", "video/mp4")
             size_bytes: File size in bytes
@@ -249,7 +249,7 @@ class Get_Metadata(Cmdlet):
         
         Args:
             result: Piped input (dict with optional hash/store/title/tag fields)
-            args: Command line arguments ([-query "hash:..."] [-store backend])
+            args: Command line arguments ([-query "hash:..."] [-instance backend])
             config: Application configuration dict
             
         Returns:
@@ -268,14 +268,14 @@ class Get_Metadata(Cmdlet):
 
         # Get hash and store from parsed args or result
         file_hash = query_hash or get_field(result, "hash")
-        storage_source = parsed.get("store") or get_field(result, "store")
+        storage_source = parsed.get("instance") or get_field(result, "store")
 
         if not file_hash:
             log('No hash available - use -query "hash:<sha256>"', file=sys.stderr)
             return 1
 
         if not storage_source:
-            log("No storage backend specified - use -store to specify", file=sys.stderr)
+            log("No storage backend specified - use -instance to specify", file=sys.stderr)
             return 1
 
         # Use storage backend to get metadata