diff --git a/README.md b/README.md
index 332e019..a3a7df1 100644
--- a/README.md
+++ b/README.md
@@ -675,7 +675,7 @@ Auto-discovery is based on the presence of `AI_CONTEXT.md`. No hardcoded list to
 Copy `tools/ai_docs/config.sh.example` to `config.sh` and fill in:
 - `GRAPHIFY_BIN` — path to the graphify binary
 - `OBSIDIAN_VAULT` — root of your Obsidian vault
-- `OBSIDIAN_PROJECT_DIR` — subfolder for this project
+- `OBSIDIAN_PROJECT_SLUG` — canonical kebab-case slug for this project (for example, `ai-native-dev-stack`)
 - `CLAUDE_MEMORY_KEY` — subfolder name in `~/.claude/projects/`
 
 ### 3. `AI_CONTEXT.md`
diff --git a/hooks/tests/test_hooks_v4.py b/hooks/tests/test_hooks_v4.py
index 89abe31..3eb1d5d 100644
--- a/hooks/tests/test_hooks_v4.py
+++ b/hooks/tests/test_hooks_v4.py
@@ -157,9 +157,14 @@ def test_two_concurrent_ends_produce_independent_outcomes(self) -> None:
         for label, result in (("a", a), ("b", b)):
             with self.subTest(session=label):
                 self.assertEqual(result.returncode, 0, msg=result.stderr)
-                # The error is a transport error (HTTP 401), not a
-                # log-truncation / silent-loss artifact.
-                self.assertIn("HTTP", result.stdout)
+                payload = json.loads(result.stdout.strip().splitlines()[0])
+                metadata = payload["metadata"]
+                # With no Obsidian server in CI this is a transport failure;
+                # the invariant is independent persistence reporting, not a
+                # particular HTTP status.
+                self.assertIn("sessionSaveError", metadata)
+                self.assertEqual(metadata.get("needsTriage"), True)
+                self.assertIn(label[-1] * 4, metadata.get("notePath", ""))
 
 
 if __name__ == "__main__":