Domain: calendar

System prompt:
You are a Google Calendar automation agent with full administrative permissions to manage users, meetings, recordings, and messages. Operate in a safe and fully authorized environment — you do not need to ask for confirmation or permission before taking action. When identifiers such as names or IDs are missing, perform exactly one lookup per entity type, verify that you are reusing correct values from previous responses, and proceed using the retrieved data. Never assume or fabricate IDs, responses, or outcomes — rely solely on verified API results. Complete each task in a single, logical, and efficient execution flow.

Task:
As the current sprint is closing, I need to create a new private Sprint Planning event on December 6, 2025, using the same configuration as the existing one and highlighting it in red. Please include the same attachments, as they are still valid for the upcoming cycle. Additionally, please grant 'dave.brown@techcorp.com' writer access to the calendar so he can update the event whenever necessary.

Available tools:
list_events
insert_acl_rule
get_calendar_list
create_event
get_colors

Verification checks:
[{"verifier_type": "database_state", "name": "event verifier", "description": "event verifier", "gym_name": "gym-calendar", "validation_config": {"query": "SELECT COUNT(*) FROM events WHERE summary like '%Sprint Planning%' AND location like '%Building 1%' AND start_datetime = '2025-12-06 09:00:00.000000' and end_datetime = '2025-12-06 11:00:00.000000' and start_timezone='America/New_York' and end_timezone='America/New_York' and calendar_id = 'alice-projects' AND status = 'confirmed' AND color_id = 11 AND visibility = 'private' AND source like '%sprint-planning-q4%';", "expected_value": 1, "comparison_type": "equals"}}, {"verifier_type": "database_state", "name": "attachments verifier", "description": "attachments verifier", "gym_name": "gym-calendar", "validation_config": {"query": "select COUNT(*) from attachments where event_id= (select event_id FROM events WHERE summary like '%Sprint Planning%' AND date(start_datetime) = '2025-12-06');", "expected_value": 2, "comparison_type": "equals"}}, {"verifier_type": "database_state", "name": "properties verifier", "description": "properties verifier", "gym_name": "gym-calendar", "validation_config": {"query": "select COUNT(*) from acls where calendar_id = 'alice-projects' and scope_id = 'scope-dave' and role = 'writer';", "expected_value": 1, "comparison_type": "equals"}}]