Xubin Ren a2f4090e41 fix(msteams): secure inbound defaults and ref persistence
Default Microsoft Teams inbound auth validation to enabled, update the README to match, and prevent denied senders from persisting conversation refs before allowlist checks pass.

Made-with: Cursor
2026-04-16 13:22:07 +08:00
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2026-04-15 16:51:02 +08:00