Add an opt-in frontend preflight check suite

Fix model pages, redirects, developer pages, and charts for folded model ids

refactor(model-resolution-rework): drop client-side identity logic, use view-layer

Resilience + linux gate: connection-failure reset + pre-push DuckDB read-path gate

Fix DuckDB generation config projection

Document Group F route-id tests as intentionally red (TODO: align upstream)

Fix stale clean-hierarchy tests to match current impl

WIP: v2 cleanup checkpoint before merging origin/main

Restructure model details + extend cleanHierarchy for split families and aggregator dedup

Refactor to align on benchmark hierarchy

Update with datafix v2

Swap backend data (#3)

Deploy DuckDB-backed frontend to

Add three-tier test infrastructure for migration safety

Add DuckDB shadow-read backend with source-metadata fix

unit tests added