🌍 Enhanced Locale Detection Debug (v2.3 - STABLE):
Server: "en" → Client: "en-us" (85% confidence)
Browser: "en-US" | Languages: [en-US]
Timezone: "UTC" | Accept-Lang: "en-US"
Formats: Number=US, Date=US, Currency=USD-US
Form ID: "S2LQPA" → "S2LQPA" (UNCHANGED)
Methods: [accept-lang-sim, currency-us, currency-gbp-uk, number-us, date-us...] (9 total)
Loading: Single coordinated loading with form ID "S2LQPA"