Add PHOTON app icon

Native-drawn dark squircle with a cyan aperture/spark motif matching the
console's own color palette. Menu bar icon stays a plain SF Symbol by
design (colorful icons look muddy at that size); this is the Finder/Dock/
Get Info identity.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

PHOTON.app/Contents/_CodeSignature/CodeResources

@@ -3,9 +3,22 @@
 <plist version="1.0">
 <dict>
 	<key>files</key>
-	<dict/>
+	<dict>
+		<key>Resources/PHOTON.icns</key>
+		<data>
+		oK1gZv7MQIyEvZ5Fd+eAPOKGU/Y=
+		</data>
+	</dict>
 	<key>files2</key>
-	<dict/>
+	<dict>
+		<key>Resources/PHOTON.icns</key>
+		<dict>
+			<key>hash2</key>
+			<data>
+			PRG7yYEEyNrTMFHxHptkYVUN6PJrOk2iNnfsIKmA+So=
+			</data>
+		</dict>
+	</dict>
 	<key>rules</key>
 	<dict>
 		<key>^Resources/</key>