import type { MemoryPromptBudget } from "../context/memory-prompt-budget.ts";
import type { ToolDefinition } from "../extensions/types.ts";
export type MemorySurface = "context" | "routing" | "tooling" | "parametric";
/** Where raw memory queries are processed. Omitted classifications fail closed as external. */
export type MemoryProviderEgress = "local" | "external";
export interface MemoryCapabilities {
    surfaces: MemorySurface[];
}
export interface MemoryLifecycleContext {
    agentDir: string;
    cwd: string;
    isChildSession: boolean;
}
export interface MemoryProvider {
    readonly name: string;
    readonly egress?: MemoryProviderEgress;
    isAvailable(): boolean | Promise<boolean>;
    getCapabilities(): MemoryCapabilities;
    initialize(sessionId: string, ctx: MemoryLifecycleContext): Promise<void>;
    shutdown(): Promise<void>;
    systemPromptBlock?(budget?: MemoryPromptBudget): string;
    prefetch?(query: string): Promise<string>;
    syncTurn?(user: string, assistant: string): Promise<void>;
    onPreCompress?(): Promise<string>;
    onSessionEnd?(): Promise<void>;
    getToolDefinitions?(): ToolDefinition[];
    getContextMarkers?(): string[];
}
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