feat: 0.5.0 production hardening pass - #4
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Closes the four real production gaps called out before this release: multi-modal content loss in adapters, no error recovery in summarizer, unbounded embedding cache, silent fallback in meta. Plus doc polish. - New passthrough ContentBlock type. The OpenAI, Anthropic, and Vercel AI SDK adapters now wrap unrecognized blocks (images, files, audio, documents) verbatim instead of dropping them. Token counter respects passthrough.estimatedTokens with sane provider-specific defaults. - summarizer.onError config option: 'fall-back' (default), 'throw', or a custom handler function. When llmCall fails, the optimizer no longer kills the user's request. - LRU-capped embedding cache via maxCacheSize on createEmbeddingScorer. Defaults to 1000 entries. Fixes the unbounded-memory bug for long-running processes. - meta.fellBackTo surfaces when the requested strategy couldn't run cleanly. Summarizer reports 'sliding-window' for no-compressible or llmCall errors. Hybrid reports its final fallback. - README: new "Status: pre-1.0" section explaining breaking-change policy and browser bundle-size caveat. Config / meta tables updated with the new options. - playground/README: concrete vercel, netlify, and gh-pages deploy instructions. Tests: 21 -> 89 -> 101. Typecheck clean. Build clean. 14 test files.
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Closes the four real production gaps called out before this release: multi-modal content loss in adapters, no error recovery in summarizer, unbounded embedding cache, silent fallback in meta. Plus doc polish.
Tests: 21 -> 89 -> 101. Typecheck clean. Build clean. 14 test files.
Summary
Type of change
Test plan
npm run typecheckpassesnpm testpassesnpm run buildsucceedsCHANGELOG.md(for user-facing changes)