fix: remove grab_set() to allow main window interaction

UART Monitor window was modal (grab_set) preventing main window
from being used while the UART window is open. Remove grab_set
to make it modeless.

src/gui/widgets.py

@@ -800,9 +800,6 @@ class UartMonitorWindow(ctk.CTkToplevel):
         self.minsize(480, 360)
         self.protocol("WM_DELETE_WINDOW", self._on_close)
 
-        # Defer grab_set until window is viewable (avoids "window not viewable" error)
-        self.after(50, self._do_grab)
-
         self._port = port
         self._baudrate = baudrate
         self._monitor: UartMonitor | None = None
@@ -814,16 +811,9 @@ class UartMonitorWindow(ctk.CTkToplevel):
         self._build_log_area()
         self._build_status_bar()
 
-        # Try to open serial port after window is drawn
+       # Try to open serial port after window is drawn
         self.after(100, self._try_open)
 
-    def _do_grab(self) -> None:
-        """Acquire grab once window is viewable."""
-        try:
-            self.grab_set()
-        except Exception:
-            pass  # Window may have been destroyed already
-
     # ── Title Bar ──────────────────────────────────────────────
 
     def _build_title_bar(self) -> None:

vivado.jou

@@ -0,0 +1,14 @@
+#-----------------------------------------------------------
+# Vivado v2023.2 (64-bit)
+# SW Build 4029153 on Fri Oct 13 20:13:54 MDT 2023
+# IP Build 4028589 on Sat Oct 14 00:45:43 MDT 2023
+# SharedData Build 4025554 on Tue Oct 10 17:18:54 MDT 2023
+# Start of session at: Wed Jun 10 15:02:25 2026
+# Process ID: 1790665
+# Current directory: /data/work/prj/Zynq_Flasher
+# Command line: vivado -mode batch -source /tmp/zynq_jtag_check_1789776.tcl
+# Log file: /data/work/prj/Zynq_Flasher/vivado.log
+# Journal file: /data/work/prj/Zynq_Flasher/vivado.jou
+# Running On: mkb, OS: Linux, CPU Frequency: 5073.251 MHz, CPU Physical cores: 32, Host memory: 134146 MB
+#-----------------------------------------------------------
+source /tmp/zynq_jtag_check_1789776.tcl

vivado_1790122.backup.jou

@@ -0,0 +1,14 @@
+#-----------------------------------------------------------
+# Vivado v2023.2 (64-bit)
+# SW Build 4029153 on Fri Oct 13 20:13:54 MDT 2023
+# IP Build 4028589 on Sat Oct 14 00:45:43 MDT 2023
+# SharedData Build 4025554 on Tue Oct 10 17:18:54 MDT 2023
+# Start of session at: Wed Jun 10 15:01:29 2026
+# Process ID: 1790122
+# Current directory: /data/work/prj/Zynq_Flasher
+# Command line: vivado -mode batch -source /tmp/zynq_jtag_check_1789776.tcl
+# Log file: /data/work/prj/Zynq_Flasher/vivado.log
+# Journal file: /data/work/prj/Zynq_Flasher/vivado.jou
+# Running On: mkb, OS: Linux, CPU Frequency: 5069.987 MHz, CPU Physical cores: 32, Host memory: 134146 MB
+#-----------------------------------------------------------
+source /tmp/zynq_jtag_check_1789776.tcl