feat: release 2.4.0 with original cases and automatic human review

tests/unit/admin_console/test_session_usage_endpoint.py

@@ -99,6 +99,34 @@ def test_usage_flash_runner_counts_as_operator_and_has_no_tuning(tmp_path):
     assert usage["run_tuning"] is None
 
 
+def test_usage_uses_its_recorded_model_and_supports_legacy_endpoint_keys(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repo = SessionRepository(db_path)
+    _insert_session(db_path, "models", {"profile": "flash"})
+    _insert_usage(db_path, "models", "new", 1.0, {**_usage(100, 10), "model": "terra"})
+    _insert_usage(
+        db_path,
+        "models",
+        "legacy",
+        2.0,
+        {**_usage(200, 20), "source": "openai:terra:https://example.test:high"},
+    )
+    _insert_usage(
+        db_path, "models", "lens", 3.0, {**_usage(300, 30), "source": "lens:step_capsule:terra"}
+    )
+    _insert_usage(db_path, "models", "unknown", 4.0, {**_usage(300, 30), "source": "other"})
+    _insert_usage(
+        db_path,
+        "models",
+        "fallback",
+        5.0,
+        {**_usage(300, 30), "source": "lens:step_capsule:fallback"},
+    )
+    models = {item["model"]: item for item in repo.get_session_usage("models")["by_node_model"]}
+    assert models["terra"]["llm_calls"] == 3
+    assert models["unknown"]["llm_calls"] == 2
+
+
 def test_usage_for_unknown_or_empty_session_is_zeroed(tmp_path):
     db_path = tmp_path / "sessions.db"
     repo = SessionRepository(db_path)
@@ -112,6 +140,26 @@ def test_usage_for_unknown_or_empty_session_is_zeroed(tmp_path):
     assert usage["run_tuning"] is None
 
 
+def test_legacy_usage_preserves_model_colons_and_keeps_models_separate(tmp_path):
+    db_path = tmp_path / "sessions.db"
+    repo = SessionRepository(db_path)
+    _insert_session(db_path, "models", {"profile": "flash"})
+    sources = {
+        "team/model:stable": "openai:team/model:stable:https://example.test:8443/v1:high",
+        "team/model:preview": "openai:team/model:preview:http://[::1]:8080/v1:high",
+        "unknown": "openai:team/model:preview:unparseable:high",
+    }
+    for index, source in enumerate(sources.values()):
+        _insert_usage(
+            db_path, "models", str(index), float(index), {**_usage(100, 10), "source": source}
+        )
+
+    groups = {item["model"]: item for item in repo.get_session_usage("models")["by_node_model"]}
+    assert groups.keys() == sources.keys()
+    assert all(item["llm_calls"] == 1 for item in groups.values())
+    assert all(item["prompt_tokens"] == 100 for item in groups.values())
+
+
 def test_usage_route_is_registered():
     from apps.admin_console.routers import sessions