feat: cc.billing — exact, cache-tier, per-call token attribution (OPIK-6873)#21

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jverre merged 10 commits into

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jacques/OPIK-6873-cumulative-lane-accounting

Jun 11, 2026

Commits on Jun 11, 2026

feat: billing-weighted lane accounting — cumulative tokens, per-turn counts (OPIK-6873)

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fix: usage double-count across multi-block entries + 2.1.173 cc_builtin row

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feat: cc.billing — per-call cache-tier attribution, exact to API usage

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refactor: SQL-first shape for cc.billing — lane-keyed map with fixed paths

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refactor: consolidate the payload — cc.billing is the product schema

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refactor: rename billing field fresh -> input (matches the API's input_tokens)

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feat: count_tokens anchoring — exact piece sizes via the free API endpoint

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fix: remove call-1 residual self-calibration for cc_builtin

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feat: itemize static_overhead — environment carve-out, deferred-name split, components table

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feat: stamp model on cc.billing for tier-column pricing

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