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Adds two boolean/numeric feature flags on each 14th-gen plan: - cpu_premium: chassis supports the Platinum 8280 CPU upgrade (R440/R540 false; R640/R740/R740xd true) - max_ram_gb: maximum RAM the chassis can physically host (16-DIMM chassis cap at 1 TB; 24-DIMM at 1.5 TB) These drive the route-level config-option filters in routes/marketing.php so customers never see Platinum CPU on R440 or the 1.5 TB RAM tier on a 16-slot chassis. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>