/**
 * Internal domain model — the reconstructed shape of one opencode turn,
 * decoupled from both the opencode event/message wire format (source/types.ts)
 * and the OTEL span output. This is the seam the event source produces and the
 * span emitter consumes; it is intentionally identical in spirit to the
 * weave-codex model so the entire spans/ emit half ports over unchanged.
 */
/** Normalized token usage for a single model call or a turn total. */
export interface NormalizedUsage {
    inputTokens: number;
    outputTokens: number;
    cachedInputTokens: number;
    reasoningOutputTokens: number;
}
export type ToolKind = 'function' | 'web_search' | 'mcp';
/** A tool execution → one `execute_tool` span. */
export interface ToolCall {
    callId: string;
    name: string;
    kind: ToolKind;
    startTime: Date;
    endTime: Date;
    arguments?: string;
    result?: string;
    error?: string;
    mcpServer?: string;
}
/** A tool the model requested within a chat (for that chat's output.messages). */
export interface ChatToolRef {
    callId: string;
    name: string;
    arguments?: string;
}
/** A single model round-trip → one `chat` span. */
export interface ChatCall {
    startTime: Date;
    endTime: Date;
    text?: string;
    reasoning?: string;
    toolCalls: ChatToolRef[];
    usage?: NormalizedUsage;
    finishReason: string;
}
/** One completed user→agent turn → one trace rooted at an `invoke_agent` span. */
export interface ReconstructedTurn {
    sessionId: string;
    turnId: string;
    conversationId: string;
    /** opencode is multi-provider; provider drives gen_ai.provider.name. */
    provider?: string;
    model: string;
    startTime: Date;
    endTime: Date;
    cwd?: string;
    cliVersion?: string;
    /** Set when this turn belongs to a spawned subagent (child) session. */
    parentSessionId?: string;
    userMessage?: string;
    finalAssistantMessage?: string;
    chats: ChatCall[];
    tools: ToolCall[];
    usageTotal: NormalizedUsage;
}