📝 docs: add ADR for staged-only Git hooks formatting

- Add ADR-0012 documenting the decision to format only staged Go files
- Update ADR README.md with new entry
- Document rationale, alternatives, and verification results
- Include future considerations for monitoring and CI/CD integration

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

pkg/bdd/testserver/server.go

@@ -12,7 +12,7 @@ import (
 )
 
 type Server struct {
-	httpServer  *http.Server
+	httpServer *http.Server
 	port       int
 	baseURL    string
 }
@@ -94,8 +94,8 @@ func createTestConfig(port int) *config.Config {
 			Timeout: 5 * time.Second,
 		},
 		Logging: config.LoggingConfig{
-			JSON:   false,
-			Level:  "trace",
+			JSON:  false,
+			Level: "trace",
 		},
 		Telemetry: config.TelemetryConfig{
 			Enabled: false,