fix(opencode): add session-level token fallback for OpenCode 1.16.0+ - #88
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OpenCode 1.16.0 introduced session-level token tracking (tokens_input, tokens_output, etc. on the session table) for GitHub Copilot token-based billing. The tool previously only read per-message data JSON, missing sessions where token data lives only at the session level. - Query the session table as a fallback when per-message tokens sum to zero - Filter sessions by model.providerID matching github-copilot - Replace zero-token message records with a single session-level aggregate record - Add 7 tests covering the fallback behavior - Update test fixtures to include the session table
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What changed
sessiontable as a fallback when per-message tokens sum to zerojson_extract(model, '$.providerID') = 'github-copilot'sinceMsfiltering, compaction detectionsessiontable andtime_createdcolumn onmessageContext
OpenCode 1.16.0 introduced session-level token tracking for GitHub Copilot (token-based billing). For some Copilot sessions, token data may only exist on the
sessiontable (tokens_input, tokens_output, etc.) rather than in per-messagedataJSON. The tool previously only queriedFROM message, returning zero usage for these sessions.Resolves #87
Test plan
npx vitest run— all 144 tests passnpx tsc --noEmit— clean