[StuartFerguson]

Closes #847

• Configure maximum JSON request, upload, and NDJSON line sizes with documented defaults.
• Reject oversized multipart files and individual lines with HTTP 413.
• Apply request body limits before endpoint binding so oversized requests are rejected before unbounded processing.

Validation: git diff --check passed. Tests and build were not run.

[chatgpt-codex-connector]

Codex Review Summary: ✅ Completed

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-11-09T19:46:45.922362Z	3c12c90	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 3c12c90ae2

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[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

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🟢 Metrics 4 complexity

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Complexity	4

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