export declare const SERVER_NAME = "engram-mcp-server";
export declare const SERVER_VERSION: string;
export declare const TOOL_PREFIX = "engram";
export declare const DB_DIR_NAME = ".engram";
export declare const DB_FILE_NAME = "memory.db";
export declare const DB_VERSION = 24;
/** Maps canonical phase name strings (from task tags like `phase:planning`) to phase numbers 1-6. */
export declare const PHASE_MAP: Record<string, number>;
/** Keywords in task titles that indicate PM-heavy work and may trigger PM-Full offer. */
export declare const PM_KEYWORDS: ReadonlyArray<string>;
/** Maximum number of PM nudges that can be surfaced within a single session. */
export declare const PM_MAX_NUDGES = 5;
/** Semantic version of the bundled PM knowledge base (principles, phases, checklists). */
export declare const KNOWLEDGE_BASE_VERSION = "1.0";
export declare const MAX_FILE_TREE_DEPTH = 5;
export declare const MAX_FILE_TREE_ENTRIES = 500;
export declare const MAX_SEARCH_RESULTS = 50;
export declare const DEFAULT_SEARCH_LIMIT = 8;
export declare const MAX_GIT_LOG_ENTRIES = 50;
export declare const MAX_RESPONSE_LENGTH = 50000;
export declare const DEFAULT_PAGINATION_LIMIT = 20;
export declare const SNAPSHOT_TTL_MINUTES = 30;
export declare const COMPACTION_THRESHOLD_SESSIONS = 50;
export declare const BACKUP_DIR_NAME = "backups";
export declare const FOCUS_MAX_ITEMS_PER_CATEGORY = 15;
export declare const FILE_MTIME_STALE_HOURS = 24;
export declare const FILE_LOCK_DEFAULT_TIMEOUT_MINUTES = 30;
export declare const DEFAULT_RETENTION_DAYS = 90;
export declare const MAX_BACKUP_COUNT = 10;
export declare const EXCLUDED_DIRS: Set<string>;
/**
 * STRONG markers: unambiguous project boundaries. Found → return immediately.
 * These never appear in IDE install directories or npm global dirs.
 */
export declare const STRONG_PROJECT_MARKERS: readonly [".git"];
/**
 * SOFT markers: typically present in real projects but also in Electron/Node
 * app install dirs. Only used after strong markers are exhausted, AND only if
 * the candidate path passes the BLOCKED_PATH_PATTERNS check.
 */
export declare const SOFT_PROJECT_MARKERS: string[];
/**
 * Legacy combined list kept for any external callers.
 * Prefer STRONG_PROJECT_MARKERS + SOFT_PROJECT_MARKERS directly.
 */
export declare const PROJECT_MARKERS: string[];
/**
 * Path-segment patterns that indicate an IDE install, npm global, or OS system
 * directory. A soft-marker candidate whose normalised path matches any of these
 * is rejected so we don't mistake an IDE's own install dir for a project root.
 */
export declare const BLOCKED_PATH_PATTERNS: RegExp[];
/**
 * Returns true if the given directory is the user's home directory.
 * The home dir is never a valid project root — no one's "project" is ~/.
 * This prevents the bootstrap trap where ~/.engram/ makes HOME look like a project.
 */
export declare function isHomeDirectory(dirPath: string): boolean;
export declare const NPM_REGISTRY_URL = "https://registry.npmjs.org/engram-mcp-server/latest";
export declare const GITHUB_REPO = "keggan-std/Engram";
export declare const GITHUB_RELEASES_URL = "https://github.com/keggan-std/Engram/releases";
export declare const GITHUB_RELEASES_API_URL = "https://api.github.com/repos/keggan-std/Engram/releases/latest";
export declare const CFG_AUTO_UPDATE_CHECK = "auto_update_check";
export declare const CFG_AUTO_UPDATE_LAST_CHECK = "auto_update_last_check";
export declare const CFG_AUTO_UPDATE_AVAILABLE = "auto_update_available";
export declare const CFG_AUTO_UPDATE_CHANGELOG = "auto_update_changelog";
export declare const CFG_AUTO_UPDATE_SKIP_VERSION = "auto_update_skip_version";
export declare const CFG_AUTO_UPDATE_REMIND_AFTER = "auto_update_remind_after";
export declare const CFG_AUTO_UPDATE_NOTIFY_LEVEL = "auto_update_notify_level";
export declare const CFG_INSTANCE_ID = "instance_id";
export declare const CFG_INSTANCE_LABEL = "instance_label";
export declare const CFG_INSTANCE_CREATED_AT = "instance_created_at";
export declare const CFG_MACHINE_ID = "machine_id";
export declare const CFG_SHARING_MODE = "sharing_mode";
export declare const CFG_SHARING_TYPES = "sharing_types";
export declare const CFG_SENSITIVE_KEYS = "sensitive_keys";
export declare const CFG_HTTP_TOKEN = "http_token";
export declare const CFG_INSTANCE_VISIBLE = "instance_visible";
export declare const INSTANCE_REGISTRY_DIR = ".engram";
export declare const INSTANCE_REGISTRY_FILE = "instances.json";
export declare const HEARTBEAT_INTERVAL_MS = 60000;
export declare const STALE_THRESHOLD_MS: number;
export declare const PRUNE_THRESHOLD_MS: number;
export declare const DEFAULT_SHARING_MODE = "none";
export declare const DEFAULT_SHARING_TYPES: string[];
export declare const LAYER_PATTERNS: Record<string, RegExp[]>;
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