export type TalkTopicKind = "chat" | "todo" | "workflow" | "other";
export type TalkTopicState = "active" | "warm" | "cool" | "closed";
export interface TalkTopicObjectAnchor {
    kind: string;
    id: string;
    label?: string;
    relation?: string;
}
/** Durable semantic memory for one strand of a Talk conversation. */
export interface TalkTopic {
    id: string;
    talkSessionId: string;
    ordinal: number;
    kind: TalkTopicKind;
    state: TalkTopicState;
    label: string;
    objectAnchors: TalkTopicObjectAnchor[];
    goal: string;
    verifiedState: string;
    decisions: string[];
    unresolvedQuestions: string[];
    retrievalAnchors: string[];
    /** Bulky evidence is expendable; every field above is a commitment. */
    rawDetails: string[];
    transient: boolean;
    createdAt: number;
    updatedAt: number;
    closedAt: number | null;
    revision: number;
}
export interface TalkTopicNavigation {
    talkSessionId: string;
    currentTopicId: string | null;
    history: string[];
    lastCandidateIds: string[];
    credentialGeneration: number;
    screenRevision: number;
    updatedAt: number;
}
export interface TopicResolutionInput {
    reference: string;
    topics: readonly TalkTopic[];
    currentTopicId?: string;
    navigationHistory?: readonly string[];
    lastCandidateIds?: readonly string[];
    now?: number;
}
export type TopicResolution = {
    status: "resolved";
    topic: TalkTopic;
    reason: string;
    confidence: number;
} | {
    status: "ambiguous";
    candidates: TalkTopic[];
    reason: "multiple-matches";
} | {
    status: "none";
    reason: "below-threshold";
};
export interface TopicCollectionStats {
    compactedTopics: number;
    expiredTopics: number;
    rawDetailItems: number;
}
export interface TopicCollectionResult {
    topics: TalkTopic[];
    compactedIds: string[];
    expiredIds: string[];
    stats: TopicCollectionStats;
}
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