Creates a shared FDv2 data manager that owns mode resolution, debouncing, selector state, and FDv2DataSource lifecycle. Platform SDKs (browser, RN) wrap this with platform-specific config and event wiring.
Creates a shared FDv2 data manager that owns mode resolution, debouncing, selector state, and FDv2DataSource lifecycle. Platform SDKs (browser, RN) wrap this with platform-specific config and event wiring.