callback

const (
	PhaseAgentInit     Phase = "agent_init"
	PhaseAgentThink    Phase = "agent_think"
	PhaseAgentTool     Phase = "agent_tool"
	PhaseAgentOutput   Phase = "agent_output"
	PhaseAgentComplete Phase = "agent_complete"
	PhaseAgentError    Phase = "agent_error"

	PhaseTaskStart    Phase = "task_start"
	PhaseTaskComplete Phase = "task_complete"
	PhaseTaskError    Phase = "task_error"

	PhaseCrewStart    Phase = "crew_start"
	PhaseCrewComplete Phase = "crew_complete"
	PhaseCrewError    Phase = "crew_error"

	PhaseHumanInput       Phase = "human_input"
	PhaseReviewRequired   Phase = "review_required"
	PhaseFlowStart        Phase = "flow_start"
	PhaseFlowNodeStart    Phase = "flow_node_start"
	PhaseFlowNodeComplete Phase = "flow_node_complete"
	PhaseFlowComplete     Phase = "flow_complete"

	// @sk-task production-features#T1.1: add checkpoint phases (AC-013)
	PhaseCheckpointSave Phase = "checkpoint_save"
	PhaseCheckpointLoad Phase = "checkpoint_load"
	PhaseResumeStart    Phase = "resume_start"
	PhaseResumeComplete Phase = "resume_complete"

	// @sk-task training#T4.1: add training callback phases (AC-013)
	PhaseTrainStart     Phase = "train_start"
	PhaseTrainIteration Phase = "train_iteration"
	PhaseTrainFeedback  Phase = "train_feedback"
	PhaseTrainComplete  Phase = "train_complete"
	// @sk-task dashboard-v2#T1.3: granular agent phases for dashboard streaming (AC-001, AC-003)
	PhaseAgentThinking Phase = "agent_thinking"
	PhaseAgentToolCall Phase = "agent_tool_call"
	PhaseAgentWaiting  Phase = "agent_waiting"
	PhaseCrewPaused    Phase = "crew_paused"
	PhaseCrewResumed   Phase = "crew_resumed"
	PhaseTaskInjected  Phase = "task_injected"
	// @sk-task output-streaming#T5.2: stream chunk callback phase (AC-014)
	PhaseChunkComplete Phase = "chunk_complete"
	// @sk-task unified-memory#T1.1: memory callback phases (AC-009)
	PhaseMemoryRecall   Phase = "memory_recall"
	PhaseMemoryRemember Phase = "memory_remember"
)