import type { AgentChatMode, AgentChatModeOverrides } from './config';
/**
 * Admission request mode for multi-replica deployments.
 * - `initial`: first registration after process start. When the plan limit is
 *   already reached the server evicts the oldest replica so this one can run
 *   (a rolling update's new Pod replaces the old one).
 * - `standby`: a re-request from a replica that was evicted. The server admits
 *   it only when a slot is free, and never evicts on its behalf — otherwise
 *   evicted replicas would evict each other forever.
 */
export type AdmissionMode = 'initial' | 'standby';
export interface RegisterRequest {
    agentId: string;
    hostname: string;
    os: string;
    arch: string;
    ipAddress?: string;
    capabilities?: string[];
    availableChatModes?: string[];
    activeChatMode?: string;
    /** Replica identity. Omitted by single-replica deployments. */
    instanceId?: string;
    /**
     * Process-lifetime nonce, distinct from `instanceId`: two processes can
     * legitimately report the same `instanceId` (e.g. a Kubernetes StatefulSet
     * Pod name is unique only within its own cluster, so the same token
     * deployed to two clusters produces the same Pod name in each). The server
     * uses the nonce to tell such processes apart and reject the second one
     * with `admission.reason === 'instance_id_conflict'` instead of treating
     * it as a reconnect of the first.
     */
    instanceNonce?: string;
    admissionMode?: AdmissionMode;
}
export type TransportMode = 'polling' | 'realtime';
/** Result of the replica admission check (only present when instanceId was sent). */
export interface AdmissionResult {
    accepted: boolean;
    instanceId: string;
    /** Applied limit; null means unlimited. */
    maxReplicas: number | null;
    liveReplicas: number;
    /**
     * `limit_reached`: the plan's concurrent replica limit is already
     * satisfied by other replicas.
     * `instance_id_conflict`: another process is already live under this same
     * `instanceId` (distinguished by `instanceNonce`) — most commonly the same
     * token deployed to multiple Kubernetes clusters, whose Pod names collide
     * because a Pod name is unique only within its own cluster.
     */
    reason?: 'limit_reached' | 'instance_id_conflict';
    /** The replica evicted to make room for this one. */
    evictedInstanceId?: string;
}
/**
 * Response of `POST .../agent/instances/self/release` (graceful shutdown drain,
 * phase 3). Sent once the agent has finished draining its in-flight commands so
 * the server can free the slot immediately instead of waiting for the
 * heartbeat-timeout reclaim.
 */
export interface ReleaseSelfResponse {
    released: boolean;
    reason?: 'not_found' | 'nonce_mismatch' | 'already_released';
}
/**
 * `ApiClient.releaseSelf()` never throws — failures (including ones that never
 * reached the server) are represented as additional `reason` values not sent by
 * the server itself.
 */
export type ReleaseSelfResult = ReleaseSelfResponse | {
    released: false;
    reason: 'no_replica_identity' | 'request_failed';
};
export interface RegisterResponse {
    agentId: string;
    tenantCode: string;
    projectCode?: string;
    appsyncUrl: string;
    appsyncApiKey: string;
    transportMode: TransportMode;
    wsEnabled?: boolean;
    wsUrl?: string;
    admission?: AdmissionResult;
}
export interface SystemInfo {
    platform: string;
    arch: string;
    cpuUsage: number;
    memoryUsage: number;
    uptime: number;
    /**
     * /tmp (または相当する temp dir) の使用率 (0-100)。取得失敗時は undefined。
     * agent 側で 85% を超えたら warning ログを出す。サーバ側でも閾値超過の通知に
     * 利用可能。
     */
    diskUsagePercent?: number;
}
export interface HeartbeatResponse {
    success: true;
    configHash?: string;
    /**
     * Set when this replica no longer holds a slot (it was evicted to make room
     * for a newer replica). The agent must stop serving work and go back to
     * standby, re-requesting admission until a slot frees up.
     */
    evicted?: true;
}
/**
 * チャットモード（ルーティング先）
 * - agent: 外部エージェント経由（デフォルト）
 * - builtin: サーバー内蔵エージェント
 */
export type ChatMode = 'agent' | 'builtin';
export interface AgentServerConfig {
    agentEnabled: boolean;
    /**
     * 管理画面のプロジェクト設定で「自動アップデート」が有効か。
     *
     * 省略（旧サーバー）と false を区別しないこと。自動アップデートは opt-in であり、
     * 明示的な true 以外はすべて無効として扱う（auto-update-gate.ts を参照）。
     */
    autoUpdateEnabled?: boolean;
    builtinAgentEnabled: boolean;
    builtinFallbackEnabled: boolean;
    externalAgentEnabled: boolean;
    chatMode: ChatMode;
    defaultAgentChatMode?: AgentChatMode;
    agentChatModeFallbackOrder?: AgentChatMode[];
    agentChatModeOverrides?: AgentChatModeOverrides;
    claudeCodeConfig?: {
        model?: string;
        maxTokens?: number;
        systemPrompt?: string;
        allowedTools?: string[];
        addDirs?: string[];
    };
    codexConfig?: {
        model?: string;
        systemPrompt?: string;
        addDirs?: string[];
    };
}
export interface AwsCredentials {
    accessKeyId: string;
    secretAccessKey: string;
    sessionToken?: string;
    region: string;
}
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