feat(auth): allow anonymous download for global skills

[myml]

Update handleDownload to bypass the authentication requirement when the
namespace is 'global'. This enables unauthenticated users to download
public global skills, consistent with the publicly accessible route.

[gemini-code-assist]

Code Review

This pull request modifies the handleDownload function in skill-detail.tsx to allow users to download content without being logged in if the namespace is set to 'global'. The review feedback identifies a need for stricter type checking by using the !== operator and suggests improving code readability by adding spaces around operators, aligning with standard TypeScript practices.

[gemini-code-assist]

The comparison uses the non-strict inequality operator != and lacks spaces, which is inconsistent with the rest of the file and violates standard TypeScript idioms. Use the strict inequality operator !== and add spaces around the operator for better readability and consistency.

Suggested change

	if (namespace!='global' && !user) {
	if (namespace !== 'global' && !user) {

References

1. Always use === and !== instead of == and != to avoid type coercion issues and maintain consistency, as recommended by the Google TypeScript Style Guide. ^(link)