Validation, Documentation & Final Demo Release

[AmmarOkla12772]

Finalize the Device Monitor Demo through long-duration validation testing and documentation updates.

Goals:

• Execute extended hardware validation.
• Verify memory pool stability and stack usage behavior.
• Update README documentation.
• Record final validation metrics and example console output.

DoD:

• System operates continuously for at least 1 hour on hardware.
• No crashes, hangs, or unexpected resets occur.
• Memory usage remains stable.
• Stack usage remains within expected bounds.
• Documentation accurately reflects the final implementation and validation results.