FreqInOut v1.1.6

Full Changelog: v1.1.5...v1.1.6

## FreqInOut v1.1.6

### Highlights

- Added a shared offline propagation engine used by both ControlFreq and Stations Map.

- Added empirical + modeled propagation blending with confidence gating and deterministic fallback behavior.

- Expanded propagation and schedule regression coverage for idempotency, parity, and overnight window handling.

### New Ops Features

- Added SitRep status workflow across JS8Spotter, Operators, ControlFreq, and Map (R/Y/G/? with latest-signal-wins logic).

- Added ControlFreq Operating Status strip and compact scheduler indicators (Status, Next, Suspend).

- Added Launch Control with ordered app startup, per-app enable/startup toggles, and stop/continue-on-failure behavior.

- Added VarAC BBS support in Messages (View, Archive, Delete) plus aging visibility in ControlFreq.

### UX and Settings

- Refined ControlFreq layout into clearer tri-panel/top-row workflows with persistent split/focus preferences.

- Reworked Settings IA into cleaner sections (Fast Light, JS8Call, VarAC, Logging & Diagnostics, Launch Control).

- Added consistent filter/reset/sorting improvements across schedule, messages, and operator views.

### Reliability Fixes

- Improved VarAC busy gating by reading both traffic and main logs for active connection detection.

- Applied consistent NET vs non-NET schedule deferral behavior across JS8Call, FLDigi, and VarAC backends.

- Fixed theme contrast/styling refresh issues and dark-mode urgency visibility in ControlFreq.

### Documentation

- Updated operator guide and tooling docs for v1.1.6 behavior and maintenance scripts.