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Author SHA1 Message Date
jackandGitHub 820c933958 Harden PTT audio and the 1.7.1 release (#1423) 
Centralize PTT and voice audio-session ownership, harden courier/bridge/outbox delivery and recovery, correct location and delivery-state races, add privacy/release metadata, and ship reproducible universal Arti slices with Release CI coverage.

Validated by the full iOS suite, repeated audio/fragment/performance regressions, BitFoundation tests, strict lint and dead-code analysis, universal iOS Release builds, and iOS/macOS archives.
 2026-07-10 14:04:09 +02:00
jackandClaude Opus 4.5 b4a3ee5777 fix: add @MainActor to MessageDeduplicationService for thread safety 
Added @MainActor annotation to both LRUDeduplicationCache and
MessageDeduplicationService classes. This provides compile-time
enforcement of thread safety since all callers (ChatViewModel,
NostrRelayManager) are already on MainActor.

Benefits:
- Compile-time enforcement prevents future misuse
- Simpler than internal locking mechanisms
- Consistent with existing patterns in codebase

Also adds:
- @MainActor annotation to existing test suites
- 5 new concurrency tests verifying thread safety behavior

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-04 13:25:43 -10:00
jack e9dd30ccbf Extract MessageDeduplicationService from ChatViewModel 
Extract message deduplication logic into a dedicated service:
- LRUDeduplicationCache: Generic LRU cache for O(1) lookup with periodic compaction
- ContentNormalizer: Static methods for normalizing content (URL simplification, whitespace collapse, djb2 hash)
- MessageDeduplicationService: Manages content, Nostr event, and ACK deduplication

This removes ~70 lines of inline LRU management code from ChatViewModel
and adds 42 comprehensive tests covering all deduplication scenarios.

Changes to ChatViewModel:
- Add deduplicationService dependency
- Remove normalizedContentKey(), recordContentKey(), trimContentLRUIfNeeded(), popOldestContentKey()
- Remove contentLRUMap, contentLRUOrder, contentLRUHead, contentLRUCap
- Remove processedNostrEvents, processedNostrEventOrder, processedNostrEventHead, maxProcessedNostrEvents
- Remove processedNostrAcks, recordProcessedEvent(), trimProcessedNostrEventsIfNeeded(), popOldestProcessedEvent()
- Remove unused Regexes.simplifyHTTPURL
- Update all call sites to use deduplicationService methods
 2025-11-25 09:13:51 -10:00