chore: release v0.19.2

wiki/Net-Control.md

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+# Net Control
+
+**Directed-net logging** (Tools → Net) — run a directed net or round-table and
+log the whole thing at once, Log4OM-style.
+
+## How it works
+
+- **Roster** (right) — the net's registered stations, stored globally in
+  `nets.json` (shared across profiles). Add contacts with a QRZ/HamQTH prefill.
+- **On-air** (left) — the active session (in memory): put a station on the air
+  (check it in), and log the whole net when done.
+- Frequency / band / mode of each logged QSO come from **live CAT** at log time
+  (falling back to the last known values if CAT is off).
+
+## Working a net
+
+1. Open / create a net and **Open** it.
+2. Double-click a roster station (or use *Put on air*) to put it on the air —
+   this starts its QSO (time on).
+3. Double-click an on-air row to open the full QSO editor (edit any field).
+4. **Log & end** a station to write its QSO to the logbook (time off = now).
+
+## Worked-before
+
+Click a station (on air or in the roster) to see prior contacts with it in the
+**worked-before** panel below the on-air column. The panel height is adjustable
+(drag its top edge).
+
+> The active session is in-memory only — closing the app mid-net drops
+> un-logged on-air stations.