flomni_loop_settings: fzp_ff_priority as own signal (new loop setting, flOMNI scan_modes.md 2026-10-26)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017KicuVBRC7jB1TLG5hLZwx

csaxs_bec/devices/omny/flomni_loop_settings.py

@@ -43,6 +43,7 @@ SETTINGS = (
     "interferometer_threshold_rot",
     "sample_hold_fzp_V", "sample_hold_err_um", "sample_hold_zero",
     "target_shaper_scale", "jump_max_um_x", "jump_max_um_y",      # group motion, scan-mode profiles (2026-10-26)
+    "fzp_ff_priority",                                            # FZP feedforward priority (2026-10-26)
 )
 
 RETRY_AFTER_FAILURE_S = 60.0    # web HMI not reachable: no new attempt for this long (a tomogram does not wait each time)