The detail pages showed a 'map coming later' placeholder. Add a read-only Neshan web map (Leaflet SDK) showing the facility marker when NeshanMapKey is set, plus a 'مسیریابی در نشان' directions link; falls back to coordinates when no key. New _NeshanMap shared partial loads the SDK and inits #facmap. Shift/Job Details models now expose MapKey via SettingsService. Coordinates are emitted with InvariantCulture so the decimal point/digits don't break JS. The facility registration picker already used Neshan; this reuses the same key.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>