Function rotateAccount

server/index.js:3695–3773

(provider, reason = 'manual_rotation')

}

function rotateAccount(provider, reason = 'manual_rotation') {
    const pool = buildAccountPool(provider);

    if (pool.accounts.length === 0) {
        return { success: false, error: 'No accounts in pool' };
    }

    const now = Date.now();
    const available = pool.accounts.filter(acc => 
        acc.status === 'ready' || (acc.status === 'cooldown' && acc.cooldownUntil && acc.cooldownUntil < now)
    );

    if (available.length === 0) {
        return { success: false, error: 'No available accounts (all in cooldown or expired)' };
    }

    // Pick least recently used
    const next = available.sort((a, b) => a.lastUsed - b.lastUsed)[0];
    const previousActive = pool.activeAccount;

    // Activate the new account
    const activePlugin = getActiveGooglePlugin();
    const namespace = provider === 'google'
        ? ('google.antigravity')
        : provider;

    const profilePath = path.join(AUTH_PROFILES_DIR, namespace, `${next.name}.json`);
    if (!fs.existsSync(profilePath)) {
        return { success: false, error: 'Profile file not found' };
    }

    const profileData = JSON.parse(fs.readFileSync(profilePath, 'utf8'));

    // Update auth.json
    const authCfg = loadAuthConfig() || {};
    authCfg[provider] = profileData;
    if (provider === 'google') {
        authCfg[namespace] = profileData;
    }

    const cp = getConfigPath();
    const ap = path.join(path.dirname(cp), 'auth.json');
    atomicWriteFileSync(ap, JSON.stringify(authCfg, null, 2));

    // Update studio config
    const studio = loadStudioConfig();
    if (!studio.activeProfiles) studio.activeProfiles = {};
    studio.activeProfiles[provider] = next.name;
    saveStudioConfig(studio);

    // Update metadata
    const metadata = loadPoolMetadata();
    if (!metadata[namespace]) metadata[namespace] = {};
    metadata[namespace][next.name] = {
        ...metadata[namespace][next.name],
        lastUsed: now,
        usageCount: (metadata[namespace][next.name]?.usageCount || 0) + 1
    };