Ticket #77 PR #32 Review: pass_audit approved Add draft status for tickets. Changes: - Added draft as initial state in Ticket model (changed from backlog) - Added confirm event: draft → backlog - Added draft scope for querying draft tickets - Updated list_tickets to filter out draft tickets by default (include_drafts parameter to include them) - Added confirm to transition_ticket MCP tool - Updated block and cancel events to allow from draft - Added backlog trait to ticket factory - Updated default factory status from backlog to draft - Added tests for confirm event and draft initial state - Added test for confirm transition in MCP spec Workflow: [Orchestrator creates ticket] → draft ↓ [Review/refine ticket] ↓ confirm → backlog → [workers can now see and claim] Acceptance criteria all met: - New tickets start in draft status (initial state) ✓ - Draft tickets don't appear in list_tickets by default ✓ - confirm event moves draft → backlog ✓ - Once confirmed, ticket behaves normally ✓ - Tests cover draft state and confirm event ✓