feat(api): Add drift detection, remediation API and modernize response format

cmd/server.go

@@ -162,6 +162,7 @@ const (
 	WebBasicAuthFlag                 = "web-basic-auth"
 	WebUsernameFlag                  = "web-username"
 	WebPasswordFlag                  = "web-password"
+	EnableDriftDetectionFlag         = "enable-drift-detection"
 	WebsocketCheckOrigin             = "websocket-check-origin"
 
 	// NOTE: Must manually set these as defaults in the setDefaults function.
@@ -646,6 +647,10 @@ var boolFlags = map[string]boolFlag{
 		description:  "Enable websocket origin check",
 		defaultValue: false,
 	},
+	EnableDriftDetectionFlag: {
+		description:  "Enable drift detection and remediation API endpoints.",
+		defaultValue: false,
+	},
 	HideUnchangedPlanComments: {
 		description:  "Remove no-changes plan comments from the pull request.",
 		defaultValue: false,

cmd/server_test.go

@@ -167,6 +167,7 @@ var testFlags = map[string]any{
 	EnablePolicyChecksFlag:           false,
 	EnableRegExpCmdFlag:              false,
 	EnableDiffMarkdownFormat:         false,
+	EnableDriftDetectionFlag:         false,
 	EnableProfilingAPI:               false,
 }