/**
 * Miscellaneous settings — imported external skills, per-thread conversation
 * mode, bootstrap message count, wait timeout, predefined prompts, guardrails
 * toggle, and the child-thread memory source env var.
 */
export declare const SKILL_TYPES: readonly ["sensorium", "claude", "copilot"];
export type SkillType = (typeof SKILL_TYPES)[number];
export interface ImportedSkill {
    path: string;
    type: SkillType;
}
export declare function isValidSkillType(v: unknown): v is SkillType;
/** All registered external skills. Malformed entries are dropped. */
export declare function getImportedSkills(): ImportedSkill[];
/** Register an external skill by path+type. Idempotent on path (updates type). */
export declare function addImportedSkill(skill: ImportedSkill): void;
/** Unregister an external skill by path. */
export declare function removeImportedSkill(path: string): void;
export type ConversationMode = "concise" | "voice";
/** Returns the conversation mode for a thread, defaulting to "concise". */
export declare function getThreadConversationMode(threadId: number): ConversationMode;
/** Persists a per-thread conversation mode. */
export declare function setThreadConversationMode(threadId: number, mode: ConversationMode): void;
/** Number of recent episodes injected into the bootstrap as "Recent Conversation". */
export declare function getBootstrapMessageCount(): number;
export declare function setBootstrapMessageCount(count: number): void;
/** Minimum cosine similarity a note must clear to enter Key Knowledge. */
export declare function getRelevanceAnchorThreshold(): number;
/** Upper bound on the number of Key Knowledge notes surfaced in the bootstrap. */
export declare function getKeyKnowledgeMax(): number;
/** How many recent conversation episodes form the relevance anchor. */
export declare function getRelevanceAnchorTailEpisodes(): number;
export declare function getReplyMaxChars(): number;
export declare function setReplyMaxChars(chars: number): void;
export declare function getWaitTimeoutMinutes(): number;
export declare function setWaitTimeoutMinutes(minutes: number): void;
export interface PredefinedPrompt {
    label: string;
    text: string;
    isStartup?: boolean;
}
/** Coerce untrusted input into a clean list of {label, text} prompts. */
export declare function normalizePredefinedPrompts(raw: unknown): PredefinedPrompt[];
export declare function getPredefinedPrompts(): PredefinedPrompt[];
export declare function setPredefinedPrompts(list: PredefinedPrompt[]): void;
/** Whether guardrail (Active Decisions) notes are injected into memory briefings. */
export declare function getGuardrailsEnabled(): boolean;
export declare function setGuardrailsEnabled(enabled: boolean): void;
/**
 * Read the MEMORY_SOURCE_THREAD_ID env var set by the parent process
 * when spawning a child thread (worker/branch). Returns the parent
 * thread ID for memory briefing, or undefined if not a child thread.
 */
export declare function getMemorySourceThreadId(): number | undefined;
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