/** SDK-owned platform module. This implementation is maintained in goodvibes-sdk. */
/**
 * ToolEvent, discriminated union covering all tool execution lifecycle events.
 *
 * Covers tool execution lifecycle events for the runtime event bus.
 */
/**
 * Structured summary of a tool result, avoids leaking raw `unknown` payloads
 * into the event stream while still providing enough context for observability.
 */
export interface ToolResultSummary {
    /** Discriminant for the result shape (e.g. 'text', 'json', 'error', 'binary'). */
    kind: string;
    /** Approximate byte size of the raw result. */
    byteSize: number;
    /** Optional short preview (first N chars, no credentials). */
    preview?: string | undefined;
}
export type ToolEvent = 
/** A tool call request was received from the LLM. */
{
    type: 'TOOL_RECEIVED';
    callId: string;
    turnId: string;
    tool: string;
    args: Record<string, unknown>;
}
/** Tool call arguments passed schema validation. */
 | {
    type: 'TOOL_VALIDATED';
    callId: string;
    turnId: string;
    tool: string;
}
/** Pre-execution hooks have run for this tool call. */
 | {
    type: 'TOOL_PREHOOKED';
    callId: string;
    turnId: string;
    tool: string;
}
/** Permission check completed; call may proceed. */
 | {
    type: 'TOOL_PERMISSIONED';
    callId: string;
    turnId: string;
    tool: string;
    approved: boolean;
}
/** Tool is actively executing. */
 | {
    type: 'TOOL_EXECUTING';
    callId: string;
    turnId: string;
    tool: string;
    startedAt: number;
}
/** Tool result has been mapped/transformed for the provider. */
 | {
    type: 'TOOL_MAPPED';
    callId: string;
    turnId: string;
    tool: string;
}
/** Post-execution hooks have run for this tool call. */
 | {
    type: 'TOOL_POSTHOOKED';
    callId: string;
    turnId: string;
    tool: string;
}
/** Tool call completed successfully. */
 | {
    type: 'TOOL_SUCCEEDED';
    callId: string;
    turnId: string;
    tool: string;
    durationMs: number;
    result?: ToolResultSummary;
}
/** Tool call failed with an error. */
 | {
    type: 'TOOL_FAILED';
    callId: string;
    turnId: string;
    tool: string;
    error: string;
    durationMs: number;
    result?: ToolResultSummary;
}
/** Tool results were synthesized to reconcile unresolved calls. */
 | {
    type: 'TOOL_RECONCILED';
    turnId: string;
    count: number;
    callIds: string[];
    toolNames: string[];
    reason: string;
    timestamp: number;
    isMalformed?: boolean | undefined;
}
/** Tool call was cancelled before completion. */
 | {
    type: 'TOOL_CANCELLED';
    callId: string;
    turnId: string;
    tool: string;
    reason?: string | undefined;
}
/**
 * A runtime budget was exceeded and the phase pipeline was terminated.
 * The `reason` discriminant distinguishes the type of budget breached:
 *  - BUDGET_EXCEEDED_MS,    wall-clock execution time limit
 *  - BUDGET_EXCEEDED_TOKENS, token consumption limit
 *  - BUDGET_EXCEEDED_COST,  cost limit in USD
 */
 | {
    type: 'BUDGET_EXCEEDED_MS';
    callId: string;
    turnId: string;
    tool: string;
    phase: string;
    limitMs: number;
    elapsedMs: number;
} | {
    type: 'BUDGET_EXCEEDED_TOKENS';
    callId: string;
    turnId: string;
    tool: string;
    phase: string;
    limitTokens: number;
    usedTokens: number;
} | {
    type: 'BUDGET_EXCEEDED_COST';
    callId: string;
    turnId: string;
    tool: string;
    phase: string;
    limitCostUsd: number;
    usedCostUsd: number;
};
/** All tool event type literals as a union. */
export type ToolEventType = ToolEvent['type'];
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