✅ Complete Preeti Mapping (Full Industry-Grade Table)

• Every consonant, vowel, matra, symbol, conjunct, halanta rules ,  Includes fixing “ि” position, halant stacking, combined consonants,  Supports typing + pasting

✅ Auto-Detect Input Type:  Roman → Unicode + Preeti   |   Unicode → Preeti   |  Preeti → Unicode
(And switches modes dynamically!)

1️⃣ Preeti 2014 (Classic Preeti) Most used in Nepal, Basis for most Nepali government offices, Legacy font encoding (ASCII-based), Works with majority of old Preeti documents    

2️⃣ Preeti 2019 (Unicode-friendly Preeti) Updated mapping,  New conjunct rules,  Slightly different matra handling