/**
 * CLEO home + project DB path resolution for `@cleocode/brain`.
 *
 * Path resolution delegates to the `@cleocode/paths` SSoT
 * ({@link getCleoHome}). Project data (tasks.db, brain.db, conduit.db) is
 * resolved via projectId → nexus.db registry lookup
 * ({@link resolveProjectByCwd} + {@link resolveCanonicalCleoDir}), with a
 * `CLEO_ROOT` / `process.cwd()` fallback for non-project contexts.
 *
 * Previously this module imported `env-paths` directly which caused a Windows
 * path mismatch with the rest of the CLEO ecosystem (the CLI used env-paths
 * returning `%LOCALAPPDATA%\cleo\Data` while brain used a bare
 * `%LOCALAPPDATA%\cleo`, looking up `nexus.db` one directory shallower than
 * where it was written). Fixed in T1874 (Closes #102, supersedes #103).
 *
 * @task T1874 (original Windows fix)
 * @task T1886 (migrated to @cleocode/paths SSoT)
 * @task T11040 (verified 2026-05-27: projectId-based resolution confirmed; 72/72 tests pass)
 */
import { getCleoHome } from '@cleocode/paths';
export { getCleoHome };
/**
 * Returns the project's `.cleo/` directory.
 *
 * Resolution order:
 * 1. {@link resolveProjectByCwd} — reads `.cleo/project-info.json` for a stable
 *    `projectId`, then resolves the canonical `.cleo/` path via
 *    {@link resolveCanonicalCleoDir} (nexus.db registry lookup).
 * 2. Fallback: `CLEO_ROOT` env var or `process.cwd()` + `'.cleo'` for
 *    non-project contexts (e.g., before `cleo init`).
 *
 * @task T11040 — migrate from CWD-walk-up to projectId-based resolution
 */
export declare function getCleoProjectDir(): string;
/** Returns the absolute path to the global nexus.db file. */
export declare function getNexusDbPath(): string;
/** Returns the absolute path to the project-scoped brain.db file. */
export declare function getBrainDbPath(): string;
/** Returns the absolute path to the project-scoped tasks.db file. */
export declare function getTasksDbPath(): string;
/** Returns the absolute path to the project-scoped conduit.db file. */
export declare function getConduitDbPath(): string;
/** Returns the absolute path to the global signaldock.db file. */
export declare function getAgentRegistryDbPath(): string;
/** Returns true when the given DB file exists on disk. */
export declare function dbExists(dbPath: string): boolean;
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