Message

export type Message = {
  // required
  content: JSONType
  id: string
  sessionId: string
  sessionSeq: number
  type: string
  // optional
  subpath?: string
  threadId?: string
  threadSeq?: number
}

type Info = {
  id: string & Brand<"Session.Message.ID">
  metadata?: { readonly [x: string]: unknown }
  time:
    | { readonly created: Utc }
    | {
        readonly created: Utc
        readonly streamed?: Utc | undefined
        readonly completed?: Utc | undefined
      }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc; readonly completed?: Utc | undefined }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
    | { readonly created: Utc }
  type:
    | "agent-switched"
    | "assistant"
    | "compaction"
    | "idle"
    | "location-switched"
    | "model-switched"
    | "shell"
    | "skill"
    | "synthetic"
    | "system"
    | "user"
}

type SessionStoreEntry = {
  timestamp?: string
  type: string
  uuid?: string
}

type SessionMessage = {
  createdAt?: Date
  id: string
  metadata?: unknown
  parts: SessionMessagePart[]
  role: string
}

type MastraDBMessage = {
  content: MastraMessageContentV2
  createdAt: Date
  id: string
  resourceId?: string
  role: "assistant" | "signal" | "system" | "user"
  threadId?: string
  type?: string
}

type AgentInputItem = {
  id?: string
  providerData?: Record<string, any>
  type?:
    | "apply_patch_call"
    | "apply_patch_call_output"
    | "compaction"
    | "computer_call"
    | "computer_call_result"
    | "function_call"
    | "function_call_result"
    | "hosted_tool_call"
    | "message"
    | "program"
    | "program_output"
    | "reasoning"
    | "shell_call"
    | "shell_call_output"
    | "tool_search_call"
    | "tool_search_output"
    | "unknown"
}

type ThreadItemEntry = {
  completedAtMs: number | null
  item: ThreadItem
  startedAtMs: number | null
  turnId: string
}

type UIMessage = {
  id: string
  metadata?: unknown
  parts: UIMessagePart<UIDataTypes, UITools>[]
  role: "assistant" | "system" | "user"
}