return primaryPath === legacyPath ? [primaryPath] : [primaryPath, legacyPath];

}

function isSessionFileName(file: string): boolean {

return file.startsWith("session-") && file.endsWith(".json");

}

function readSessionStateFile(file: string): { filePath: string; state: SessionState } {

const filePath = path.join(getSessionDir(), file);

const data = fs.readFileSync(filePath, "utf-8");

return { filePath, state: JSON.parse(data) as SessionState };

}

/** Load a saved session, rejecting expired or mismatched appId entries. */

export function loadSession(accountId: string, expectedAppId?: string): SessionState | null {

try {

);

}

}

/** Load all saved sessions from disk. */

export function getAllSessions(): SessionState[] {

const sessions = new Map<string, SessionState>();

try {

const sessionDir = getSessionDir();

if (!fs.existsSync(sessionDir)) {

return [];

}

const files = fs.readdirSync(sessionDir);

for (const file of files) {

if (isSessionFileName(file)) {

try {

const { state } = readSessionStateFile(file);

if (typeof state.accountId !== "string" || !state.accountId) {

continue;

}

const existing = sessions.get(state.accountId);

if (!existing || (state.savedAt ?? 0) >= (existing.savedAt ?? 0)) {

sessions.set(state.accountId, state);

}

} catch {}

}

}

} catch {}

return [...sessions.values()];

}

/** Remove expired session files from disk. */

export function cleanupExpiredSessions(): number {

let cleaned = 0;

try {

const sessionDir = getSessionDir();

if (!fs.existsSync(sessionDir)) {

return 0;

}

const now = Date.now();

const files = fs.readdirSync(sessionDir);

for (const file of files) {

if (isSessionFileName(file)) {

const filePath = path.join(sessionDir, file);

try {

const { state } = readSessionStateFile(file);

if (now - state.savedAt > SESSION_EXPIRE_TIME) {

fs.unlinkSync(filePath);

cleaned++;

debugLog(`[session-store] Cleaned expired session: ${file}`);

}

} catch {

try {

fs.unlinkSync(filePath);

cleaned++;

} catch {}

}

}

}

} catch {}

return cleaned;

}