/**
 * @license
 * Copyright 2026 Alibaba Group Holding Limited
 * SPDX-License-Identifier: Apache-2.0
 */
export declare const SCHEMA_VERSION = 1;
export declare const LTM_FIELDS: readonly [readonly ["name", "Name"], readonly ["occupation_or_role", "Occupation/Role"], readonly ["long_term_goals", "Long-term Goals"], readonly ["routines", "Routines"], readonly ["appearance", "Appearance"], readonly ["preferences", "Preferences"], readonly ["interests", "Interests"], readonly ["relationships", "Relationships"]];
export type LtmField = (typeof LTM_FIELDS)[number][0];
export declare const LTM_FIELD_NAMES: Set<string>;
export declare const LTM_SINGLE_VALUE: Set<string>;
export declare const LTM_TRIM_ORDER: LtmField[];
export declare const SCHEMA_SQL = "\nCREATE TABLE IF NOT EXISTS library_sessions (\n  session_id TEXT PRIMARY KEY,\n  session_name TEXT,\n  first_seen_at TEXT NOT NULL,\n  last_seen_at TEXT NOT NULL,\n  n_turns INTEGER NOT NULL DEFAULT 0,\n  n_segments INTEGER NOT NULL DEFAULT 0,\n  active INTEGER NOT NULL DEFAULT 1,\n  deactivated_at TEXT,\n  deactivate_reason TEXT\n);\nCREATE INDEX IF NOT EXISTS idx_libsess_active ON library_sessions(active);\nCREATE TABLE IF NOT EXISTS turns (\n  id INTEGER PRIMARY KEY,\n  session_id TEXT NOT NULL,\n  turn_idx INTEGER NOT NULL,\n  user_text TEXT NOT NULL,\n  user_ts TEXT NOT NULL,\n  user_epoch INTEGER NOT NULL,\n  asst_text TEXT NOT NULL,\n  asst_ts TEXT NOT NULL,\n  asst_epoch INTEGER NOT NULL,\n  interrupted INTEGER NOT NULL DEFAULT 0,\n  seg_id INTEGER,\n  UNIQUE(session_id, turn_idx)\n);\nCREATE INDEX IF NOT EXISTS idx_turns_session ON turns(session_id, turn_idx);\nCREATE TABLE IF NOT EXISTS dialogue_segments (\n  id INTEGER PRIMARY KEY,\n  session_id TEXT NOT NULL,\n  turn_from INTEGER NOT NULL,\n  turn_to INTEGER NOT NULL,\n  n_turns INTEGER NOT NULL,\n  start_ts TEXT NOT NULL,\n  end_ts TEXT NOT NULL,\n  start_epoch INTEGER NOT NULL,\n  end_epoch INTEGER NOT NULL,\n  body TEXT NOT NULL,\n  cut_reason TEXT NOT NULL,\n  n_chars INTEGER NOT NULL,\n  UNIQUE(session_id, turn_from)\n);\nCREATE INDEX IF NOT EXISTS idx_seg_epoch ON dialogue_segments(start_epoch DESC);\nCREATE VIRTUAL TABLE IF NOT EXISTS dialogue_fts USING fts5(\n  index_text, seg_id UNINDEXED, tokenize='unicode61'\n);\nCREATE TABLE IF NOT EXISTS embeddings (\n  kind TEXT NOT NULL,\n  ref_id INTEGER NOT NULL,\n  dim INTEGER NOT NULL,\n  model TEXT NOT NULL,\n  vec BLOB NOT NULL,\n  created_at TEXT NOT NULL,\n  PRIMARY KEY(kind, ref_id)\n);\nCREATE TABLE IF NOT EXISTS schema_meta (k TEXT PRIMARY KEY, v TEXT);\nCREATE TABLE IF NOT EXISTS wm_snapshots (\n  id INTEGER PRIMARY KEY,\n  session_id TEXT NOT NULL,\n  seq INTEGER NOT NULL,\n  wm_json TEXT NOT NULL,\n  ops_json TEXT NOT NULL,\n  applied_json TEXT NOT NULL,\n  created_at TEXT NOT NULL,\n  UNIQUE(session_id, seq)\n);\nCREATE INDEX IF NOT EXISTS idx_wm_session ON wm_snapshots(session_id, seq DESC);\nCREATE TABLE IF NOT EXISTS ltm_entries (\n  id INTEGER PRIMARY KEY,\n  field TEXT NOT NULL,\n  content TEXT NOT NULL,\n  created_at TEXT NOT NULL,\n  updated_at TEXT NOT NULL,\n  src_session TEXT,\n  UNIQUE(field, content)\n);\nCREATE INDEX IF NOT EXISTS idx_ltm_field ON ltm_entries(field, updated_at DESC);\nCREATE TABLE IF NOT EXISTS stm_items (\n  id INTEGER PRIMARY KEY,\n  content TEXT NOT NULL,\n  status TEXT NOT NULL CHECK(status IN ('ongoing', 'upcoming')),\n  created_at TEXT NOT NULL,\n  created_ts INTEGER NOT NULL,\n  event_date TEXT,\n  expires_at TEXT,\n  src_session TEXT,\n  active INTEGER NOT NULL DEFAULT 1,\n  expired_at TEXT,\n  UNIQUE(content, created_at)\n);\nCREATE INDEX IF NOT EXISTS idx_stm_active ON stm_items(active, created_ts DESC);\nCREATE TABLE IF NOT EXISTS preload_log (\n  session_id TEXT PRIMARY KEY,\n  created_at TEXT NOT NULL,\n  payload_json TEXT NOT NULL\n);\nCREATE TABLE IF NOT EXISTS stm_env (\n  id INTEGER PRIMARY KEY,\n  content TEXT NOT NULL,\n  created_at TEXT NOT NULL,\n  created_ts INTEGER NOT NULL,\n  src_session TEXT,\n  active INTEGER NOT NULL DEFAULT 1,\n  expired_at TEXT,\n  UNIQUE(content)\n);\nCREATE INDEX IF NOT EXISTS idx_stm_env_active ON stm_env(active, created_ts DESC);\nCREATE VIRTUAL TABLE IF NOT EXISTS env_fts USING fts5(\n  index_text, env_id UNINDEXED, tokenize='unicode61'\n);\nCREATE TABLE IF NOT EXISTS updater_log (\n  session_id TEXT PRIMARY KEY,\n  created_at TEXT NOT NULL,\n  status TEXT NOT NULL,\n  attempts INTEGER NOT NULL DEFAULT 1,\n  model TEXT,\n  wm_json TEXT,\n  patch_json TEXT,\n  report_json TEXT,\n  detail TEXT\n);\nCREATE INDEX IF NOT EXISTS idx_updater_status ON updater_log(status, created_at);\n";