added prompt ingestion

tests/registry/ingest/test_document.py

@@ -102,6 +102,27 @@ class TestMarkdownDocument:
 
             assert doc.skill_slug is None
 
+    class TestPromptSlugProperty:
+        """Covers prompt_slug derivation from document relative paths."""
+
+        def test_returns_slug(self) -> None:
+            """Ensures prompt_slug returns the slug for valid prompt paths."""
+            doc = MarkdownDocument(relpath=PurePosixPath("prompts/demo/PROMPT.md"), content="#")
+
+            assert doc.prompt_slug == "demo"
+
+        def test_none_for_non_prompt(self) -> None:
+            """Ensures prompt_slug is None for non-prompt paths."""
+            doc = MarkdownDocument(relpath=PurePosixPath("docs/index.md"), content="#")
+
+            assert doc.prompt_slug is None
+
+        def test_none_for_incomplete_prompt(self) -> None:
+            """Ensures prompt_slug is None for incomplete prompt paths."""
+            doc = MarkdownDocument(relpath=PurePosixPath("prompts/demo"), content="#")
+
+            assert doc.prompt_slug is None
+
 
 class TestWalkResources:
     """Covers recursive resource walking and markdown filtering behavior."""