Bryan Helmkamp 681791db3f Improve Sessions API schema: discriminated turns, date-time formats, consistent naming ... - Refactor SessionTurn into discriminated union (UserTurn, AssistantTurn, ToolTurn) using oneOf + discriminator so invalid states are unrepresentable - Add format: date-time to all timestamp fields for proper codegen types - Rename CreateSessionRequest.prompt to .content for consistency with SendMessageRequest - Change sendSessionMessage from 200 to 202 (async processing via SSE) - Extract inline response to SendMessageResponse schema - Add updated_at to SessionListItem for sort-by-activity support - Extract SessionId parameter to components/parameters (DRY) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-03-06 08:33:51 -05:00
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arc-api.yaml	Improve Sessions API schema: discriminated turns, date-time formats, consistent naming	2026-03-06 08:33:51 -05:00