🤖 fix: include step providerMetadata in liveUsage for cache creation display #864
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…display During streaming, liveUsage (context window display) showed 0 cache creation tokens because it wasn't receiving providerMetadata. The cache creation token count is Anthropic-specific and only available in providerMetadata.anthropic. cacheCreationInputTokens, not in the standard LanguageModelV2Usage. Thread step-level providerMetadata from backend through IPC to frontend, mirroring the existing pattern for cumulative provider metadata. _Generated with mux_
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…tion Cover the fix to prevent regression: - StreamingMessageAggregator: test step providerMetadata storage/retrieval/clear - displayUsage: test cacheCreationInputTokens extraction from providerMetadata _Generated with mux_
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Codex Review: Didn't find any major issues. More of your lovely PRs please. ℹ️ About Codex in GitHubCodex has been enabled to automatically review pull requests in this repo. Reviews are triggered when you
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During streaming,
liveUsage(context window display) showed 0 cache creation tokens because it wasn't receivingproviderMetadata. The cache creation token count is Anthropic-specific and only available inproviderMetadata.anthropic.cacheCreationInputTokens, not in the standardLanguageModelV2Usage.Thread step-level
providerMetadatafrom backend through IPC to frontend, mirroring the existing pattern for cumulative provider metadata.The bug was masked after message completion because the UI falls back to
lastContextUsage(from persisted metadata) whenliveUsageis undefined.Generated with
mux