Add HTML message format support with stable idempotency for ExchangeOnline OOF#177

Merged

blindzero merged 9 commits intomainfrom

copilot/support-oof-formatted-messages

Feb 10, 2026

Commits on Feb 10, 2026

Initial plan
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Add MessageFormat support and HTML normalization for OOF messages

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blindzero
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Update documentation with HTML OOF message examples

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Address code review feedback on normalization comments

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blindzero
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Add FromFile pattern for loading HTML messages from external files

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blindzero
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Remove global FromFile pattern to fix backward compatibility issue

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blindzero
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Apply suggestions from code review

blindzero
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Copilot
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Remove short-circuit checks to make idempotency checks truly independent

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blindzero
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Make whitespace normalization more conservative to avoid false negatives

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blindzero
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