Creating a feature like Smart Edge Actions for a Samsung Galaxy S6 Edge running on Pixel Experience involves a deep dive into Android development and device-specific software engineering. The example provided here is conceptual and serves as a starting point. Real-world implementation would require more detailed coding and debugging, potentially involving working with the device's kernel, and adjusting to the specifics of both the hardware and the custom ROM.
No custom ROM is perfect. The Samsung Galaxy S6 Edge Pixel Experience has a few quirks: samsung galaxy s6 edge pixel experience
If you don't want to void your warranty (though it's likely expired) or risk bricking your device, you can simulate the Pixel Experience using software. Creating a feature like Smart Edge Actions for