fix(llm): correct mispriced model cost table#13
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usage.ts priced Haiku 4.5 at Haiku-3 rates (25/125 micro-cents/1k = $0.25/$1.25 per MTok) — actual Haiku 4.5 is $1/$5 per MTok. Opus was at 1500/7500 ($15/$75) — actual Opus 4.7/4.8 is $5/$25. The Settings usage dashboard computes cost from this table at read time, so it was understating extraction spend ~4x and overstating any Opus use ~3x. Corrected to per-MTok×100 micro-cents/1k: Haiku 100/500, Opus 500/2500; added the claude-haiku-4-5 alias and a claude-opus-4-8 row. Updated tests.
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This was referenced Jun 11, 2026
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Problem
src/lib/llm/usage.tshad wrong per-token costs, so the Settings usage/cost dashboard (which computes cost from this table at read time) was materially off:25/125micro-cents per 1k = $0.25/$1.25 per MTok. Actual Haiku 4.5 is $1/$5 per MTok. → extraction/review/process spend understated ~4×.1500/7500(= $15/$75 per MTok). Actual Opus 4.7/4.8 is $5/$25 per MTok. → any Opus use overstated ~3×.300/1500= $3/$15) was already correct.Fix
Per-1k micro-cents = (USD per MTok) × 100: Haiku 4.5 →
100/500(+claude-haiku-4-5alias), Opus 4.7 →500/2500, addedclaude-opus-4-8. Updated unit tests (they pinned the old Haiku numbers) + added an Opus case.Test plan
vitest run src/lib/llm/__tests__/usage.test.ts→ 4 passtsc --noEmit→ 0 errorsFirst slice of Phase 1.
withAuth()and the structured-outputs migration are coming as separate focused PRs. Generated Supabase types and the migrations-dir reorg are deferred (both need the Supabase CLI/credentials).