cognition.ai/* keys the SDK reads from _meta objects.
const CognitionMetaKey: { Abort: "cognition.ai/abort"; Actions: "cognition.ai/actions"; ActivityEnum: "cognition.ai/activityEnum"; AvailableMentionTypes: "cognition.ai/availableMentionTypes"; Background: "cognition.ai/background"; Canceled: "cognition.ai/canceled"; Chain: "cognition.ai/chain"; ClientMessageId: "cognition.ai/clientMessageId"; Command: "cognition.ai/command"; Cwd: "cognition.ai/cwd"; EventId: "cognition.ai/eventId"; EventType: "cognition.ai/eventType"; ExitCode: "cognition.ai/exitCode"; ExploreToolName: "cognition.ai/exploreToolName"; FileUpdates: "cognition.ai/fileUpdates"; FinishedOutcome: "cognition.ai/finishedOutcome"; Headline: "cognition.ai/headline"; HistorySkeleton: "cognition.ai/historySkeleton"; HttpUploadUrl: "cognition.ai/httpUploadUrl"; Impact: "cognition.ai/impact"; InferenceToolName: "cognition.ai/inferenceToolName"; InputDisabledReason: "cognition.ai/inputDisabledReason"; IsTyping: "cognition.ai/isTyping"; ListDirectory: "cognition.ai/listDirectory"; MessageSubIndex: "cognition.ai/messageSubIndex"; Overwrite: "cognition.ai/overwrite"; PermissionType: "cognition.ai/permissionType"; PrDataUpdated: "cognition.ai/prDataUpdated"; Priority: "cognition.ai/priority"; Query: "cognition.ai/query"; Questions: "cognition.ai/questions"; QueuePosition: "cognition.ai/queuePosition"; QuotedArtifacts: "cognition.ai/quotedArtifacts"; Rejected: "cognition.ai/rejected"; Replay: "cognition.ai/replay"; ReplayFilterVersion: "cognition.ai/replayFilterVersion"; RequestId: "cognition.ai/requestId"; Server: "cognition.ai/server"; Session: "cognition.ai/session"; SessionLifecycle: "cognition.ai/sessionLifecycle"; Severity: "cognition.ai/severity"; StatusEnum: "cognition.ai/statusEnum"; StatusMessage: "cognition.ai/statusMessage"; StatusReason: "cognition.ai/statusReason"; Streaming: "cognition.ai/streaming"; StreamingMessageId: "cognition.ai/streamingMessageId"; SubagentContext: "cognition.ai/subagent_context"; ThinkingDurationMs: "cognition.ai/thinkingDurationMs"; Timestamp: "cognition.ai/timestamp"; ToolArgs: "cognition.ai/toolArgs"; ToolName: "cognition.ai/toolName"; TotalCount: "cognition.ai/totalCount"; Url: "cognition.ai/url"; UserActionRequired: "cognition.ai/userActionRequired" }