T-119: TestCatalogPage with search, filters (source/platform/severity), template cards grid, and pagination
T-120: TestFromTemplateForm modal with pre-filled fields from template, required field validation, and redirect on creation
T-121: Integrate Available Test Templates section in TechniqueDetailPage with Run This Test buttons; fix missing testStateBadgeColors for new states
Also: add backend entrypoint.sh for automatic Alembic migrations + seed on container startup, add curl to Dockerfile for healthcheck
Kitos
fd7f855008