🧪 test: fix BDD step registration and update CI/CD workflow

- Fix step pattern escaping in pkg/bdd/steps/steps.go:80
- Update CI/CD workflow to use run-bdd-tests.sh script
- Enhance run-bdd-tests.sh for both local and CI environments
- Add strict validation for undefined/pending/skipped steps
- Update BDD testing documentation with pattern requirements

The CI/CD pipeline now properly validates BDD tests and fails on any
undefined, pending, or skipped steps. All 22 BDD scenarios are passing
with correct step pattern registration.

.vibe/skills/bdd-testing/references/GODOG_PATTERNS.md

@@ -87,4 +87,10 @@ Godog's step matching is **very specific by design**:
 - It provides exact patterns to ensure consistency
 - Following its suggestions guarantees your steps will be recognized
 
-**Remember**: The "undefined" warnings are Godog telling you exactly how to fix your step definitions!
+**Remember**: The "undefined" warnings are Godog telling you exactly how to fix your step definitions!
+## Critical Pattern Fix
+
+**File:** `pkg/bdd/steps/steps.go`
+**Line:** 80
+**Issue:** Step pattern must use double escaping (4 backslashes + quote) not single escaping (2 backslashes + quote)
+**Pattern:** `^the response should be "{\\"([^"]*)\\":\\"([^"]*)\\"}"$`