Fix deserialize buffer ownership on failure

[vinzenz]

Summary

• Correct buffer ownership handling when SQLite deserialization fails.
• Report unavailable deserialization APIs with a clear exception.
• Add regression coverage for memory retention and connection usability.
• Remove the outdated CodeRabbit badge from the README.

Testing

• Added FailingDeserializeThrowsCatchablyAndRetainsNoMemory regression test.
• Verifies failed deserialization does not leak or retain the image buffer.
• Verifies the destination connection remains usable after failure.

[coderabbitai]

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Run ID: b177cf01-fd3a-49f6-9446-335725794252

📥 Commits

Reviewing files that changed from the base of the PR and between d8a2ba1 and 0654008.

📒 Files selected for processing (2)

• src/sqlite/serialization.cpp
• tests/test_serialization.cpp

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[vinzenz]

@codex review this

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-10T17:03:59.589135Z	0654008	Manual request

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Another round soon, please!

Reviewed commit: 0654008c22

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

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[vinzenz]

@deslopify

[vinzenz]

@deslopify rerun

[deslopify]

Review request received. The standard review is completed. Use @deslopify rerun to request a new attempt once this one finishes.