feat: opus 4.6 woooo (#111)

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Reviewed-on: #111
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/lib/stores/stats.ts

@@ -10,7 +10,9 @@ export type BudgetType = "token" | "cost";
 // Model pricing (per million tokens) - keep in sync with stats.rs
 // Source: https://platform.claude.com/docs/en/about-claude/models/overview
 export const MODEL_PRICING: Record<string, { input: number; output: number }> = {
-  // Current generation (Claude 4.5)
+  // Current generation (Claude 4.6)
+  "claude-opus-4-6": { input: 5.0, output: 25.0 },
+  // Previous generation (Claude 4.5)
   "claude-opus-4-5-20251101": { input: 5.0, output: 25.0 },
   "claude-sonnet-4-5-20250929": { input: 3.0, output: 15.0 },
   "claude-haiku-4-5-20251001": { input: 1.0, output: 5.0 },