Fix 5 hidden edge cases: IPP decode, settings race, PreviewScreen state sync, burst timeout leak, and logger spam

src/screens/CameraScreen.tsx

@@ -96,6 +96,7 @@ export default function CameraScreen({
   const expoCameraRef = useRef<any>(null);
   const burstTimerRef = useRef<any>(null);
   const countdownTimerRef = useRef<any>(null);
+  const completionTimerRef = useRef<any>(null);
   const isCancelledRef = useRef<boolean>(false);
 
   // Reanimated countdown pulse animation
@@ -162,6 +163,7 @@ export default function CameraScreen({
     return () => {
       if (burstTimerRef.current) clearTimeout(burstTimerRef.current);
       if (countdownTimerRef.current) clearTimeout(countdownTimerRef.current);
+      if (completionTimerRef.current) clearTimeout(completionTimerRef.current);
     };
   }, []);
 
@@ -207,6 +209,7 @@ export default function CameraScreen({
     isCancelledRef.current = true;
     if (burstTimerRef.current) clearTimeout(burstTimerRef.current);
     if (countdownTimerRef.current) clearTimeout(countdownTimerRef.current);
+    if (completionTimerRef.current) clearTimeout(completionTimerRef.current);
     
     // Clean up any temp files from a partially completed burst
     for (const uri of burstUris) {
@@ -362,12 +365,12 @@ export default function CameraScreen({
         setBurstIndex(0);
         setBurstUris([]);
         // Short delay prevents Android expo-camera crash on immediate unmount
-        setTimeout(() => {
+        completionTimerRef.current = setTimeout(() => {
           onBurstComplete(newUris);
         }, 400);
       } else {
         // Single shot mode
-        setTimeout(() => {
+        completionTimerRef.current = setTimeout(() => {
           onPhotoCaptured(capturedUri);
         }, 400);
       }
@@ -443,6 +446,22 @@ export default function CameraScreen({
                 >
                   {welcomeText}
                 </Text>
+
+                {/* White Outline Layers */}
+                {[
+                  { t: -2, l: -2 }, { t: -2, l: 0 }, { t: -2, l: 2 },
+                  { t: 0, l: -2 },                   { t: 0, l: 2 },
+                  { t: 2, l: -2 },  { t: 2, l: 0 },  { t: 2, l: 2 }
+                ].map((pos, index) => (
+                  <Text 
+                    key={`outline-${index}`}
+                    style={[styles.headerTitleBase, { position: 'absolute', color: 'white', top: pos.t, left: pos.l }]}
+                    adjustsFontSizeToFit
+                    numberOfLines={1}
+                  >
+                    {welcomeText}
+                  </Text>
+                ))}
                 
                 {/* Gradient Text Layer over the shadow layer */}
                 <MaskedView