[fix](trx-server): accept CW tone range up to 10 kHz

Expand server-side CW tone command clamping to 100-10000 Hz to match
frontend controls and picker behavior.

Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

src/trx-server/src/rig_task.rs

@@ -393,7 +393,7 @@ async fn process_command(
             return snapshot_from(ctx.state);
         }
         RigCommand::SetCwToneHz(tone_hz) => {
-            ctx.state.cw_tone_hz = tone_hz.clamp(300, 1200);
+            ctx.state.cw_tone_hz = tone_hz.clamp(100, 10_000);
             let _ = ctx.state_tx.send(ctx.state.clone());
             return snapshot_from(ctx.state);
         }