Catalog snapshot components

Component	Responsibility
Product records	Hold nine reviewed identifiers, names, observed price evidence, source URLs, and local asset paths.
Catalog package	Parse records, expose product lookup, and reject unknown product identifiers.
Local product assets	Serve only repository-reviewed images; no runtime AliExpress fetch occurs.
Source-evidence record	Explain why nine products—not the requested twelve—were defensible.

See AliExpress catalog evidence for provenance and limitations.