Migrate reference pages to declaration-line storage and rebuild the
13-column index.
Add qualified member lookup plus regression and end-to-end coverage.
Mirror docs/tsl/codegen into the bundled tsl-api-reference skill and rebuild the function index.
Remove invalid duplicate API entries for cb_delistedbydate, createhttpsession, exportJsonString, and Anova_Bartlett so exact lookup returns the canonical entries.