app/core/config.py:42:    MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN: int = 10
app/api/routers/campaigns.py:154:    elif len(data.account_ids) > cfg.MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN:
app/api/routers/campaigns.py:155:        errors.append(f"Max {cfg.MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN} accounts per campaign")
app/api/routers/campaigns.py:696:                   "max_accounts": cfg.MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN,
app/api/routers/campaigns.py:756:        elif len(data["account_ids"]) > cfg.MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN:
app/api/routers/campaigns.py:757:            errors.append(f"Max {cfg.MAX_GMAIL_ACCOUNTS_PER_CAMPAIGN} accounts")
static/gmail-accounts.html:23:      <p class="sub">Connect up to <span id="maxAcc">10</span> authenticated Gmail accounts via Google OAuth 2.0. Tokens are encrypted at rest.</p>