Demo: introduce ShellCheck violation

[Daniel-Lopez246]

Introduce a demo function that intentionally violates ShellCheck rules to illustrate potential issues in the script. This serves as a learning tool for improving shell script quality.

[gemini-code-assist]

Summary of Changes

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This pull request introduces a demo function designed to intentionally trigger a ShellCheck violation within a test script. The primary objective is to provide a practical, hands-on example for understanding and addressing common shell scripting pitfalls, thereby contributing to better script quality and developer education.

Highlights

• Intentional ShellCheck Violation: A new function, demo_shellcheck_break, was introduced in Backend/test/smoke_test.sh with the explicit purpose of violating ShellCheck rules.
• Educational Demonstration: This intentional violation serves as a learning tool to illustrate common issues in shell scripts and aid in improving script quality.

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[gemini-code-assist]

Code Review

This pull request introduces a new shell function, demo_shellcheck_break, to Backend/test/smoke_test.sh. The function assigns a string to a local variable and then echoes it. Feedback suggests that using printf instead of echo for variable output would be more robust and predictable, aligning with common ShellCheck recommendations.

[gemini-code-assist]

The use of echo with a variable can lead to unexpected behavior if the variable's content starts with a hyphen (e.g., -n) or contains backslash escape sequences. For robust and predictable output, especially when dealing with variable content, printf is generally preferred over echo.

This change aligns with common ShellCheck recommendations for safer string output.

Suggested change

	echo "$name"
	printf '%s\n' "$name"