Fix compilation errors in RetrieveExecutor and SegmentationRenderer (… #68

Job	Run time
Validate Platform Support (platform=visionOS Simulator,name=Apple Vision Pro,OS=1.0)	22s
Test on macOS (15.2)	15s
Validate Platform Support (platform=iOS Simulator,name=iPhone 15 Pro,OS=17.2)	24s
Build Documentation	13s
Code Quality Checks	10s
Test on macOS (15.3)	9s
Validate Platform Support (platform=macOS)	26s
Security Scan	13s
CI Summary	3s
	2m 15s

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