e167a6be12
- Replace interfaces array with single interface_type string (web/terminal) - Add requires_port boolean to indicate port/tunnel needs - Create Alembic migration for database schema change - Update backend model, API validation, and seed data - Update frontend types and tool workshop UI with dropdown - Add conditional port field rendering based on interface type - Update all frontend and backend tests OpenSpec change: enforce-single-tool-type-with-port-config Quality gates: frontend typecheck PASS, lint PASS, tests 37/37 PASS