imports rules

Validate the imports field in package.json — condition ordering, pattern matching, and format checks.

Rules (6)

Rule	Description	Severity	Fixable
default-last	Check that "default" is the last key in imports condition maps	🔴 error	🔧
module-esm-only	Check that "module" condition in imports points to ESM content	🟡 warning
module-before-require	Check that "module" comes before "require" in imports condition maps	🟡 warning	🔧
fallback-array	Warn against fallback arrays in imports	🟡 warning
glob-matched-files	Validate that wildcard patterns in imports match at least one file	🟡 warning
no-deprecated-subpath	Warn on trailing "/" in imports keys (use /* instead)	🟡 warning