Fix inventory icons and material badges display

- Add support for boja_hex field from database
- Fix vakum/otvoreno detection to properly show inventory badges
- Update all filaments in database with correct hex color codes
- Remove duplicate text in material modifier badges
- Fix storage condition detection for Da/Ne values
- Exclude .claude directory from security checks

src/types/filament.ts

@@ -5,6 +5,7 @@ export interface Filament {
   finish: string;
   boja: string;
   bojaHex?: string;
+  boja_hex?: string;  // Alternative field name from import
   refill: string;
   vakum: string;
   otvoreno: string;