📝 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/steps/steps.go

@@ -48,14 +48,14 @@ func (sc *StepContext) iRequestTheHealthEndpoint() error {
 func (sc *StepContext) theResponseShouldBe(arg1, arg2 string) error {
 	// The regex captures the full JSON from the feature file, including quotes
 	// We need to extract just the key and value without the surrounding quotes and backslashes
-	
+
 	// Remove the surrounding quotes and backslashes
 	cleanArg1 := strings.Trim(arg1, `"\`)
 	cleanArg2 := strings.Trim(arg2, `"\`)
-	
+
 	// Build the expected JSON string
 	expected := fmt.Sprintf(`{"%s":"%s"}`, cleanArg1, cleanArg2)
-	
+
 	return sc.client.ExpectResponseBody(expected)
 }
 
@@ -70,7 +70,7 @@ func (sc *StepContext) theServerIsRunningWithV2Enabled() error {
 	if err := sc.client.Request("GET", "/api/ready", nil); err != nil {
 		return err
 	}
-	
+
 	// Check if v2 endpoint is available (should return 405 Method Not Allowed for GET, which means endpoint exists)
 	// If v2 is disabled, this will return 404
 	resp, err := sc.client.CustomRequest("GET", "/api/v2/greet", nil)
@@ -78,13 +78,13 @@ func (sc *StepContext) theServerIsRunningWithV2Enabled() error {
 		return err
 	}
 	defer resp.Body.Close()
-	
+
 	// If we get 405, v2 is enabled (endpoint exists but doesn't allow GET)
 	// If we get 404, v2 is disabled
 	if resp.StatusCode == 404 {
 		return fmt.Errorf("v2 endpoint not available - v2 feature flag not enabled")
 	}
-	
+
 	return nil
 }
 

pkg/bdd/testserver/client.go

@@ -23,7 +23,7 @@ func NewClient(server *Server) *Client {
 
 func (c *Client) Request(method, path string, body interface{}) error {
 	url := c.server.GetBaseURL() + path
-	
+
 	var reqBody io.Reader
 	if body != nil {
 		// Handle different body types
@@ -42,12 +42,12 @@ func (c *Client) Request(method, path string, body interface{}) error {
 			return fmt.Errorf("unsupported body type: %T", body)
 		}
 	}
-	
+
 	req, err := http.NewRequest(method, url, reqBody)
 	if err != nil {
 		return fmt.Errorf("failed to create request: %w", err)
 	}
-	
+
 	// Set content type for JSON bodies
 	if body != nil && reqBody != nil {
 		req.Header.Set("Content-Type", "application/json")
@@ -70,7 +70,7 @@ func (c *Client) Request(method, path string, body interface{}) error {
 
 func (c *Client) CustomRequest(method, path string, body interface{}) (*http.Response, error) {
 	url := c.server.GetBaseURL() + path
-	
+
 	var reqBody io.Reader
 	if body != nil {
 		// Handle different body types
@@ -89,12 +89,12 @@ func (c *Client) CustomRequest(method, path string, body interface{}) (*http.Res
 			return nil, fmt.Errorf("unsupported body type: %T", body)
 		}
 	}
-	
+
 	req, err := http.NewRequest(method, url, reqBody)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create request: %w", err)
 	}
-	
+
 	// Set content type for JSON bodies
 	if body != nil && reqBody != nil {
 		req.Header.Set("Content-Type", "application/json")
@@ -104,7 +104,7 @@ func (c *Client) CustomRequest(method, path string, body interface{}) (*http.Res
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
-	
+
 	// Don't close the body here - let the caller handle it
 	c.lastResp = resp
 	c.lastBody, err = io.ReadAll(resp.Body)
@@ -123,7 +123,7 @@ func (c *Client) ExpectResponseBody(expected string) error {
 	actual := string(c.lastBody)
 	// Trim trailing newline if present (common in JSON responses)
 	actual = strings.TrimSuffix(actual, "\n")
-	
+
 	if actual != expected {
 		return fmt.Errorf("expected response body %q, got %q", expected, actual)
 	}

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,