feat(verify): cross-reference SoC records against Wikipedia lists

Confirm a chip only when the heading matches and two independent specs agree.
A launch year, a process node, or a GPU name cannot confirm on its own.

Author: Seungpyo1007

.gitignore

@@ -51,3 +51,6 @@ coverage.xml
 # GSMArena backfill local index, resume cache, and dry-run reports.
 # Never lives in the TechAPI data checkout.
 .gsmarena-backfill/
+
+# Local Wikipedia SoC backfill cache and reports (never commit)
+.wikipedia-soc-backfill/