Guard against event-tap teardown crashes; log result-window display

A tap-disabled callback force-unwrapped the tap port, which could crash
the app mid-capture (no result window, dead hotkey). Guard it and log
re-enables. Result window display is now logged with the image size.

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4-flash-0731

build-app.sh

@@ -108,9 +108,9 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <key>CFBundleIconFile</key>
     <string>Icon</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.7.2</string>
+    <string>1.7.3</string>
     <key>CFBundleVersion</key>
-    <string>72</string>
+    <string>73</string>
     <key>LSUIElement</key>
     <true/>
     <key>NSHighResolutionCapable</key>