refactor: refactor engine option naming for consistency

- Rename `EngineOption` to `Option` for consistency.
- Rename `applyEngineOptions` to `applyOptions` for consistency.
- Update function signatures to use the new `Option` type.

Signed-off-by: codiing-hui <wecoding@yeah.net>

Author: coding-hui

internal/ai/ai.go

@@ -34,8 +34,8 @@ type Engine struct {
 	Config *options.Config
 }
 
-func New(ops ...EngineOption) (*Engine, error) {
-	return applyEngineOptions(ops...)
+func New(ops ...Option) (*Engine, error) {
+	return applyOptions(ops...)
 }
 
 func (e *Engine) SetMode(m EngineMode) {

internal/ai/ai_options.go

@@ -11,27 +11,27 @@ import (
 	"github.com/coding-hui/wecoding-sdk-go/services/ai/llms/openai"
 )
 
-type EngineOption func(*Engine)
+type Option func(*Engine)
 
-func WithMode(mode EngineMode) EngineOption {
+func WithMode(mode EngineMode) Option {
 	return func(e *Engine) {
 		e.mode = mode
 	}
 }
 
-func WithConfig(cfg *options.Config) EngineOption {
+func WithConfig(cfg *options.Config) Option {
 	return func(e *Engine) {
 		e.Config = cfg
 	}
 }
 
-func WithStore(store convo.Store) EngineOption {
+func WithStore(store convo.Store) Option {
 	return func(a *Engine) {
 		a.convoStore = store
 	}
 }
 
-func applyEngineOptions(engineOpts ...EngineOption) (engine *Engine, err error) {
+func applyOptions(engineOpts ...Option) (engine *Engine, err error) {
 	engine = &Engine{
 		channel: make(chan StreamCompletionOutput),
 		running: false,