feat: for openrouter session uses cost from metadata #9518
+58
−15
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What does this PR do?
It takes cost of the message from provider's metadata for openrouter.
If there is no cost in metadata, it calculates it in an old way based on price and used tokens.
How did you verify your code works?
log.info("***** use metadata cost: ${usage.cost}")to packages/opencode/src/session/index.ts:419bun dev webINFO 2026-01-19T22:41:13 +0ms service=session ***** use metadata cost: 0.00073491in logs (~/.local/share/opencode/log/dev.log)