All language JSON files (ar, br, cs, da, de, el, es, fi, fr, hu, it, no, pl, pt, ro, ru, se, tr, uk) were missing commandocentrum.* and radio.* keys that were only present in en.json and nl.json.
Added the missing keys with English values as placeholders. All 21 languages now have 305/305 keys (100%). Filament vendor PHP translations were already 100% complete.
- New 5-step RadioWizardController with session-based wizard flow
- Enhanced RadioStreamService with Shoutcast/Icecast/ AzureCast auto-detection
- Connection test functionality for stream, now-playing, and listeners
- Wizard views for all 5 steps with step indicator navigation
- All 21 language files updated with wizard translation keys (NL/EN + placeholders)
- Wizard link added to existing radio setup page
- Routes registered under /admin/radio/wizard/*
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