fix(core): resolve 'built-in' typos (#2548)

### Proposed Changes

*

### Checklist

- [ ] I have added or updated unit tests
- [ ] I have added or updated integration tests (if appropriate)
- [ ] I have added or updated documentation

### Testing Instructions

Author: jakedoublev

.github/workflows/checks.yaml

@@ -156,7 +156,7 @@ jobs:
       - run: test/service-start.bats
       - run: test/tdf-roundtrips.bats
       - run: test/policy-service.bats
-      - name: verify bultin casbin policy
+      - name: verify builtin casbin policy
         run: test/builtin-casbin.bats
       - name: create roundtrip test data and run tests
         run: go test ./service/rttests -v

service/internal/auth/casbin.go

@@ -54,7 +54,7 @@ func NewCasbinEnforcer(c CasbinConfig, logger *logger.Logger) (*Enforcer, error)
 
 	isDefaultPolicy := false
 	if c.Csv == "" {
-		// Set the Bultin Policy if provided
+		// Set the Builtin Policy if provided
 		if c.Builtin != "" {
 			c.Csv = c.Builtin
 		} else {

service/pkg/server/options.go

@@ -15,7 +15,7 @@ type StartConfig struct {
 	WaitForShutdownSignal bool
 	PublicRoutes          []string
 	IPCReauthRoutes       []string
-	bultinPolicyOverride  string
+	builtinPolicyOverride string
 	extraCoreServices     []serviceregistry.IService
 	extraServices         []serviceregistry.IService
 	casbinAdapter         persist.Adapter
@@ -85,7 +85,7 @@ func WithIPCReauthRoutes(routes []string) StartOptions {
 //		 }, "\n")),
 func WithBuiltinAuthZPolicy(policy string) StartOptions {
 	return func(c StartConfig) StartConfig {
-		c.bultinPolicyOverride = policy
+		c.builtinPolicyOverride = policy
 		return c
 	}
 }

service/pkg/server/start.go

@@ -113,8 +113,8 @@ func Start(f ...StartOptions) error {
 	}
 
 	// Set Default Policy
-	if startConfig.bultinPolicyOverride != "" {
-		cfg.Server.Auth.Policy.Builtin = startConfig.bultinPolicyOverride
+	if startConfig.builtinPolicyOverride != "" {
+		cfg.Server.Auth.Policy.Builtin = startConfig.builtinPolicyOverride
 	}
 
 	// Set Casbin Adapter