Cluster T1.b — first wave of no-unsafe-type-assertion fixes across agent provider and MCP test files. Clears all type-aware lint errors in 6 files; remaining 4 files (class-mock patterns) deferred to T1.b2.
Cluster T1.b — first wave of no-unsafe-type-assertion fixes across agent provider and MCP test files. Clears all type-aware lint errors in 6 files; remaining 4 files (class-mock patterns) deferred to T1.b2.