Update Graph data model

context-graph/actions-graph/src/actions_graph/connector.py

@@ -88,7 +88,6 @@ def _on_session_start(self, event: SessionStartEvent) -> None:
                 started_at=event.timestamp,
                 model=event.model,
                 working_directory=event.working_directory,
-                tags=event.tags,
                 metadata=self._metadata(event),
             )
         )

context-graph/actions-graph/src/actions_graph/models.py

@@ -110,7 +110,6 @@ class Session:
         total_output_tokens: Total output tokens generated
         working_directory: Working directory for the session
         git_branch: Git branch at start of session
-        tags: Optional tags for categorization
         metadata: Additional session metadata
         parent_session_id: ID of parent session if forked
     """
@@ -125,7 +124,6 @@ class Session:
     total_output_tokens: int = 0
     working_directory: str | None = None
     git_branch: str | None = None
-    tags: list[str] = field(default_factory=list)
     metadata: dict[str, Any] = field(default_factory=dict)
     parent_session_id: str | None = None
 

context-graph/actions-graph/tests/test_connector.py

@@ -48,15 +48,13 @@ def test_records_session_start():
             timestamp="2026-01-01T00:00:00+00:00",
             model="gpt-5",
             working_directory="/repo",
-            tags=["local"],
             source_sdk="codex",
         )
     )
 
     session = graph.sessions["session-1"]
     assert session.model == "gpt-5"
     assert session.working_directory == "/repo"
-    assert session.tags == ["local"]
     assert session.metadata["source_sdk"] == "codex"
 
 

context-graph/actions-graph/tests/test_e2e.py

@@ -50,15 +50,13 @@ def test_create_and_get_session(self, graph: ActionsGraph):
             session_id="test-session-001",
             model="claude-sonnet-4-20250514",
             working_directory="/test/project",
-            tags=["test", "e2e"],
         )
         graph.create_session(session)
 
         retrieved = graph.get_session("test-session-001")
         assert retrieved is not None
         assert retrieved.session_id == "test-session-001"
         assert retrieved.model == "claude-sonnet-4-20250514"
-        assert "test" in retrieved.tags
 
     def test_end_session(self, graph: ActionsGraph):
         """Test ending a session."""
@@ -83,11 +81,10 @@ def test_list_sessions(self, graph: ActionsGraph):
         for i in range(3):
             session = Session(
                 session_id=f"list-test-{i}",
-                tags=["list-test"],
             )
             graph.create_session(session)
 
-        sessions = graph.list_sessions(tag="list-test")
+        sessions = graph.list_sessions()
         assert len(sessions) == 3
 
     def test_forked_session(self, graph: ActionsGraph):

context-graph/actions-graph/tests/test_hooks.py

@@ -98,10 +98,9 @@ async def test_message_subagent_permission_notification_and_stop_hooks():
 def test_create_tracking_hooks_creates_session_and_hook_map():
     graph = FakeActionsGraph()
 
-    hooks = create_tracking_hooks(graph, "session-1", session_kwargs={"tags": ["test"]})
+    hooks = create_tracking_hooks(graph, "session-1", session_kwargs={})
 
     assert graph.sessions[0].session_id == "session-1"
-    assert graph.sessions[0].tags == ["test"]
     assert set(hooks) == {
         "PreToolUse",
         "PostToolUse",

context-graph/actions-graph/tests/test_models.py

@@ -37,13 +37,11 @@ def test_create_session_with_all_fields(self):
             model="claude-sonnet-4-20250514",
             working_directory="/path/to/project",
             git_branch="main",
-            tags=["test", "demo"],
             metadata={"key": "value"},
         )
         assert session.model == "claude-sonnet-4-20250514"
         assert session.working_directory == "/path/to/project"
         assert session.git_branch == "main"
-        assert session.tags == ["test", "demo"]
         assert session.metadata == {"key": "value"}
 
     def test_invalid_session_id(self):

context-graph/agent-context-graph/src/agent_context_graph/adapters/claude.py

@@ -68,7 +68,6 @@ def __init__(
                     source_sdk=_SOURCE,
                     model=kw.get("model"),
                     working_directory=kw.get("working_directory"),
-                    tags=kw.get("tags", []),
                     metadata=kw.get("metadata", {}),
                 )
             )

context-graph/agent-context-graph/src/agent_context_graph/adapters/openai.py

@@ -70,7 +70,6 @@ def __init__(
                     source_sdk=_SOURCE,
                     model=kw.get("model"),
                     working_directory=kw.get("working_directory"),
-                    tags=kw.get("tags", []),
                     metadata=kw.get("metadata", {}),
                 )
             )

context-graph/agent-context-graph/src/agent_context_graph/events.py

@@ -60,7 +60,6 @@ class SessionStartEvent(Event):
     event_type: EventType = field(default=EventType.SESSION_START, init=False)
     model: str | None = None
     working_directory: str | None = None
-    tags: list[str] = field(default_factory=list)
 
 
 @dataclass

context-graph/agent-context-graph/tests/test_link.py

@@ -96,7 +96,7 @@ def test_auto_session_emits_session_start(self):
         ClaudeAdapter(
             link,
             "s-test",
-            session_kwargs={"model": "claude-sonnet-4-20250514", "tags": ["test"]},
+            session_kwargs={"model": "claude-sonnet-4-20250514"},
         )
 
         assert len(rec.events) == 1