chore(master): release 5.0.1

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🤖 I have created a release beep boop

5.0.1 (2026-10-08)

Bug Fixes

• AUTHENTICATE checks the connection state before the mechanism (0747678)
• CLI startup errors and port, event streams end on graceful shutdown (d1e4d1f)
• CREATE-SPECIAL-USE answers BAD for USE entries that are not use-attr (1d7d7e7)
• deprecate the ignored xoauth2.sessionTimeout user option (953e965)
• end UID SEARCH with OK [EXPUNGEISSUED] when it holds back an EXPUNGE (ed82da8)
• ENVELOPE sends an obsolete source route as addr-adl (6363543)
• LIST patterns match full names with a prefixed personal namespace (371f99a)
• LIST treats # as a break out character that overrides the reference (99d50c2)
• METADATA and METADATA-SERVER load ENABLE (e25c9a8)
• refuse quirk presets that remove a plugin IMAP4rev2 requires (a8b13c1)
• refuse storage internal dates that are not RFC 3501 date-time values (04babcd)
• report new messages and flag changes before FETCH, STORE and SEARCH responses (41c6856)
• send RECENT after the EXISTS of new messages to IMAP4rev1 sessions (172d6be)
• STORE accepts exactly the flags PERMANENTFLAGS lists (d48a48d)

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[github-actions]

🤖 Created releases:

• v5.0.1

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