WW-5413 Avoid writing small in-memory multipart uploads to disk#1805

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WW-5413-inmemory-upload-optimization

Commits on Jul 22, 2026

WW-5413 docs(core): design for in-memory multipart upload optimization

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claude
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WW-5413 docs(core): implementation plan for in-memory upload optimization

lukaszlenart
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claude
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WW-5413 feat(core): add UploadedFile.getInputStream() streaming accessor

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claude
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WW-5413 feat(core): add lazily-materializing StrutsInMemoryUploadedFile

lukaszlenart
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claude
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WW-5413 fix(core): make StrutsInMemoryUploadedFile serializable and thread-safe
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WW-5413 refactor(core): drop eager temp-file write for in-memory uploads
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WW-5413 test(core): cover deferred-write behavior for in-memory uploads

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claude
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WW-5413 perf(core): avoid materializing in-memory uploads during interceptor validation
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WW-5413 chore(core): clean up partial materialization and cover isMissing()
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WW-5413 docs(core): sync design/plan with interceptor fix and deviations

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claude
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WW-5413 chore(core): deprecate now-unused STRUTS_MESSAGES_INVALID_CONTENT_TYPE_KEY

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WW-5413 test(core): cover materialization failure and getInputStream default branches

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WW-5413 fix(core): address SonarCloud and Copilot review findings

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