huge refactor of the entire codebase, with the goal of improving maintainability, readability, and extensibility. This commit includes changes to almost every file in the project, including:

Provider/vimm.py

@@ -37,15 +37,15 @@ class Vimm(TableProviderMixin, Provider):
           2) Each row carries explicit selection args: `['-url', '<full-url>']`.
              Using an explicit `-url` flag avoids ambiguity during argument
              parsing (some cmdlets accept positional URLs, others accept flags).
-          3) The CLI's expansion logic places selection args *before* provider
-             source args (e.g., `-provider vimm`) so the first positional token is
-             the intended URL (not an unknown flag like `-provider`).
+             3) The CLI's expansion logic places selection args *before* plugin
+                 source args (e.g., `-plugin vimm`) so the first positional token is
+                 the intended URL (not an unknown flag like `-plugin`).
 
       - Why this approach? Argument parsing treats the *first* unrecognized token
-        as a positional value (commonly interpreted as a URL). If a provider
-        injects hints like `-provider vimm` *before* a bare URL, the parser can
-        misinterpret `-provider` as the URL, causing confusing attempts to
-        download `-provider`. By using `-url` and ensuring the URL appears first
+        as a positional value (commonly interpreted as a URL). If a plugin
+        injects hints like `-plugin vimm` *before* a bare URL, the parser can
+        misinterpret `-plugin` as the URL, causing confusing attempts to
+        download `-plugin`. By using `-url` and ensuring the URL appears first
         we avoid that class of bugs and make `@N` -> `download-file`/`add-file`
         flows reliable.
 
@@ -56,7 +56,7 @@ class Vimm(TableProviderMixin, Provider):
     URL_DOMAINS = ("vimm.net",)
 
     def get_source_command(self, args_list: List[str]) -> Tuple[str, List[str]]:
-        return "search-file", ["-provider", self.name]
+        return "search-file", ["-plugin", self.name]
 
     REGION_CHOICES = [
         {"value": "1", "text": "Argentina"},
@@ -807,7 +807,7 @@ class Vimm(TableProviderMixin, Provider):
 
 # Minimal provider registration
 try:
-    from SYS.result_table_adapters import register_provider
+    from SYS.result_table_adapters import register_plugin
     from SYS.result_table_api import ResultModel, title_column, metadata_column
 
     def _convert_search_result_to_model(sr):
@@ -857,7 +857,7 @@ try:
         return ["-title", row.title or ""]
 
 
-    register_provider(
+    register_plugin(
         "vimm",
         _adapter,
         columns=_columns_factory,