make registry protocol compatible

pyproject.toml

@@ -40,6 +40,7 @@ path = "src/banks/__about__.py"
 dependencies = [
   "coverage[toml]>=6.5",
   "pytest",
+  "pytest-cov",
   "mkdocs-material",
   "mkdocstrings[python]",
   "simplemma",

src/banks/registries/directory.py

@@ -49,7 +49,8 @@ def _scan(self):
             self._index.files.append(pf)
         self._index_path.write_text(self._index.model_dump_json())
 
-    def get(self, *, name: str, version: str = DEFAULT_VERSION) -> "PromptFile":
+    def get(self, *, name: str, version: str | None = None) -> "PromptFile":
+        version = version or DEFAULT_VERSION
         for pf in self._index.files:
             if pf.name == name and pf.version == version and pf.path.exists():
                 return pf
@@ -84,9 +85,10 @@ def set(
         name: str,
         prompt: Prompt,
         meta: dict | None = None,
-        version: str = DEFAULT_VERSION,
+        version: str | None = None,
         overwrite: bool = False,
     ):
+        version = version or DEFAULT_VERSION
         meta = {**(meta or {}), "created_at": time.ctime()}
 
         pf = self._create_pf(name=name, prompt=prompt, version=version, overwrite=overwrite, meta=meta)

src/banks/registry.py

@@ -15,4 +15,12 @@ class InvalidTemplateError(Exception): ...
 class TemplateRegistry(Protocol):
     def get(self, *, name: str, version: str | None = None) -> "Prompt": ...
 
-    def set(self, *, name: str, prompt: Prompt, version: str | None = None, overwrite: bool = False): ...
+    def set(
+        self,
+        *,
+        name: str,
+        prompt: Prompt,
+        meta: dict | None = None,
+        version: str | None = None,
+        overwrite: bool = False,
+    ): ...