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Mesh robustness optimizations (#463)

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* Mesh robustness: link-aware fragmentation, relay jitter, connection budget, adaptive scanning; fix BLE queue deadlock

- Link-aware fragmentation using per-link write/notify limits
- Directed fragments for one-to-one; exclude from relays
- Add relay jitter with cancel-on-duplicate to reduce floods
- Cap central links and rate-limit connect attempts with queue
- Foreground duty-cycled scanning when connected; continuous when isolated
- Fix deadlock by avoiding sync on BLE queue when already on it
- Silence Keychain var->let warnings

* Mesh: add relay jitter; dynamic RSSI threshold; candidate scoring/backoff; fix misplaced lines in BLEService extension

* macOS UI: restore mesh peer list when geohash feature is iOS-only by moving mesh list outside iOS switch (ContentView)

* ContentView: add macOS mesh peer list under #else to fix missing People section on macOS

* Refactor People section: extract MeshPeerList and GeohashPeopleList into separate views to reduce SwiftUI type-checking complexity; integrate in ContentView

* BLE: prevent re-fragmentation loops; UI: darker mesh blue + first-row spacing in peer list

* Mesh flood/battery: probabilistic relays, adaptive TTL caps, fragment pacing + scan pause, assembly cap; enable relayed DMs with direct-first then flood fallback.

* Refactor BLEService broadcast: split pad policy, encrypted/direct-first handler, and link-aware sender; simplify broadcastPacket to delegate by type.

* Extract relay decision into RelayController with RelayDecision; simplify handleReceivedPacket to use it.

* Move RelayController and RelayDecision into their own file under Services; keep BLEService leaner.

* UI: adjust mesh blue to a darker, less purple tone; apply consistently for count and #mesh badge.

* Project: include RelayController.swift in target and sync project file changes.

---------

Co-authored-by: jack <jackjackbits@users.noreply.github.com>
This commit is contained in:
jack
2025-08-20 16:27:49 +02:00
committed by GitHub
co-authored by jack
parent 3074fa0fcb
commit 496972dcc9
8 changed files with 755 additions and 398 deletions
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bitchat.xcodeproj/project.pbxproj
+18
View File
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