Add F9/F10 screenshots, fix duplicate widget ID in motor screen

Generate motor.svg and survey.svg for the new TUI screens. Fix
MotorScreen bug: two Horizontal widgets shared id="motor-usals-inputs",
causing MountError. Replaced with classes="usals-input-row" since both
rows need the same styling. Regenerated all 13 screenshots.

site/src/content/docs/tools/tui.mdx

@@ -214,6 +214,8 @@ LNB power control, DiSEqC switching, and modulation/FEC configuration — all th
 
 DiSEqC 1.2 positioner motor control with three-column layout: jog/halt controls, stored positions, and USALS GotoX calculator. A live signal bar at the bottom provides real-time SNR, power, lock status, and motor position feedback for hands-free dish alignment.
 
+![Motor control](../../../assets/tui/motor.svg)
+
 - Continuous jog (east/west) with keyboard arrows or button controls
 - 3x3 stored position grid for quick satellite recall
 - USALS GotoX calculator with observer longitude input and satellite presets (QO-100, Galaxy 19, AMC-1)
@@ -235,6 +237,8 @@ The motor continues to drive until explicitly halted or the 30-second safety tim
 
 Automated carrier survey with two tabs: Full Band sweep across the entire IF range, and a QO-100 DATV tab with parameters optimized for the Es'hail-2 wideband transponder.
 
+![Carrier survey](../../../assets/tui/survey.svg)
+
 <Tabs>
   <TabItem label="Full Band">
     Six-stage survey pipeline: coarse sweep, peak detection, fine sweep, blind scan, TS sample, and catalog assembly. Results display as a spectrum plot and frequency table showing detected carriers with their symbol rate, modulation, lock status, and service names.