test: broken bundle validation

[itsvks19]

Intentionally broken .klyx to validate CI error reporting

[github-actions]

❌ Validation failed

Checking ownership and validating bundles...
⚠️  Could not check KV owner for com.klyx.test/broken: HTTP Error 404: Not Found
✓ incoming/broken-test-1.0.0.klyx: new plugin (no existing owner)
❌ incoming/broken-test-1.0.0.klyx: plugin.json 'name' must not be empty
❌ incoming/broken-test-1.0.0.klyx: plugin.id must not contain '/'
❌ incoming/broken-test-1.0.0.klyx: plugin.id must start with a letter and contain only letters, digits, and dots
❌ incoming/broken-test-1.0.0.klyx: plugin.version 'abc' should follow semver (e.g. 1.0.0)
❌ incoming/broken-test-1.0.0.klyx: plugin.minAppVersion 'x.y.z' should follow semver (e.g. 4.2.0)
❌ incoming/broken-test-1.0.0.klyx: plugin.maxAppVersion must be a string or null
❌ incoming/broken-test-1.0.0.klyx: plugin.json 'description' must be a string
❌ incoming/broken-test-1.0.0.klyx: plugin.entryClass '123invalid' is not a valid fully-qualified class name
❌ incoming/broken-test-1.0.0.klyx: plugin.json contains invalid field names: ['extra_field with spaces']