🚀 feat: make random ports default for BDD tests to prevent conflicts

features/BDD_TAGS.md

@@ -84,6 +84,72 @@ GODOG_TAGS="@jwt && ~@todo" go test ./features/...
 DLC_DATABASE_HOST=localhost GODOG_TAGS="@wip" go test ./features/jwt/...
 ```
 
+### Random Port Selection (Default Behavior)
+
+By default, BDD tests use **random ports** (10000-19999) to prevent port conflicts during parallel execution. This ensures tests can run reliably in CI/CD pipelines and when executed multiple times.
+
+**Benefits:**
+- ✅ No port conflicts in parallel test execution
+- ✅ Safe for repeated test runs
+- ✅ Better for CI/CD environments
+
+**Disable random ports (not recommended):**
+```bash
+FIXED_TEST_PORT=true go test ./features/...
+```
+
+**Force specific port (debugging only):**
+```bash
+# Create a test config file with fixed port
+echo "server:
+  port: 9191" > test-config.yaml
+FEATURE=debug FIXED_TEST_PORT=true go test ./features/...
+```
+
+### Test Validation Process
+
+To ensure test suite stability, follow this validation process:
+
+**Validation Command:**
+```bash
+# Clean cache and run all tests 20 times
+echo "🧪 Validating test suite stability..."
+for i in {1..20}; do
+    echo "Run $i/20..."
+    go clean -testcache
+    if ! go test ./... > /dev/null 2>&1; then
+        echo "❌ Test run $i failed"
+        go test ./... -v
+        exit 1
+    fi
+done
+echo "✅ All 20 test runs passed successfully!"
+```
+
+**Failure Handling:**
+- If any test fails during validation, mark it as `@wip` and investigate
+- Use `@flaky` tag for intermittently failing tests
+- Document the issue in the test scenario comments
+
+**Success Criteria:**
+- ✅ 100% pass rate across 20 consecutive runs
+- ✅ No undefined/pending steps
+- ✅ No race conditions or port conflicts
+- ✅ Consistent execution time
+
+**CI/CD Integration:**
+```yaml
+- name: Validate Test Suite
+  run: |
+    echo "🧪 Running 20 validation runs..."
+    for i in {1..20}; do
+      echo "Run $i/20"
+      go clean -testcache
+      go test ./... || exit 1
+    done
+    echo "✅ Test suite validated successfully"
+```
+
 ### Stop On Failure Control
 You can control whether tests stop on first failure using the `GODOG_STOP_ON_FAILURE` environment variable.