Pass available_models through to the workflow analyzer, enabling
case-sensitive relative path lookups against scanned model data.
Normalize paths for comparison while preserving letter casing.
Skip irrelevant categories (custom_nodes, configs) upfront.
Fall back gracefully when no scanner data is available.
Also ignore the tests/ directory in .gitignore.
The previous commit introduced server-side persistence for API keys and
preferences via a model_resolver_settings.json file and POST/GET routes.
This change reverts that behavior, returning to localStorage-only storage
for settings, which is simpler and avoids persisting sensitive credentials
to disk. Also removes the now-unnecessary .gitignore entry.
Dariusz L