Import TaskStore, add optional taskStore property, add resurfaceDeferrals()
that clears expired email deferrals and deferred task deferUntil on each sync.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
New model types: TaskStatus, TaskSummary, LabelInfo, ItemSummary.
GRDB records: TaskRecord, LabelRecord, ItemLabelRecord, DeferralRecord.
Database migrations v3_task, v3_label, v3_deferral with indexes.
MailStore query extensions for labels, item-labels, deferrals, task cache.
TaskStore module wrapping MailStore. Tests for all v3 tables and records.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Extend IMAPClientProtocol with storeFlags, moveMessage, copyMessage,
expunge, appendMessage, capabilities methods. Implement all six in
IMAPClient actor using NIOIMAPCore typed commands. Add multi-part
command support to IMAPConnection/IMAPCommandRunner for APPEND.
MockIMAPClient tracks all write calls for testing. SyncCoordinator
detects mailbox roles from LIST attributes with name-based fallback.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
fix Package.swift: remove NIOIMAPCore product reference (only NIOIMAP is exported by swift-nio-imap)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
