Starfield: Starter build (vanilla, character level 20, 260k budget, no starship design required)

I started a new playthrough for the DLC and wanted to create a good early game ship. The result might not be the prettiest ship, but it's functional and could be even endgame viable. It can be built at character level 20 and does not require the starship design skill, but as it's a C class ship piloting rank 4 is required. After discounts from commerce skill, UC citizenship and Kryx's Journal 01 the cost for this is slightly below 260k.
goals:
vanilla build
buildable at level 20
no starship design required
best available weapons & shield
high power for weapons
100 mobility
4+ crew slots
no ladders
some cargo
hab space for interior design
budget = 260k
conditions:
selling parts of the original Frontier is fine
Vanguard joined (Vanguard ship parts unlocked)
full commerce skill (20% discount)
UC citizenship unlocked (5% discount at UC vendors)
Kryx's Journal 01 looted during "Back to Vectera" (2% discount)
SAL-6830 Engine unlocked via "All That Money Can Buy" (SAL-6830 unlocked)