feat(channel-monitor): 保存模板协议快照

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

backend/internal/repository/channel_monitor_repo.go

@@ -37,6 +37,7 @@ func (r *channelMonitorRepository) Create(ctx context.Context, m *service.Channe
 	builder := client.ChannelMonitor.Create().
 		SetName(m.Name).
 		SetProvider(channelmonitor.Provider(m.Provider)).
+		SetAPIMode(defaultAPIModeRepo(m.APIMode)).
 		SetEndpoint(m.Endpoint).
 		SetAPIKeyEncrypted(m.APIKey). // 调用方传入的已是密文
 		SetPrimaryModel(m.PrimaryModel).
@@ -79,6 +80,7 @@ func (r *channelMonitorRepository) Update(ctx context.Context, m *service.Channe
 	updater := client.ChannelMonitor.UpdateOneID(m.ID).
 		SetName(m.Name).
 		SetProvider(channelmonitor.Provider(m.Provider)).
+		SetAPIMode(defaultAPIModeRepo(m.APIMode)).
 		SetEndpoint(m.Endpoint).
 		SetAPIKeyEncrypted(m.APIKey).
 		SetPrimaryModel(m.PrimaryModel).
@@ -708,6 +710,7 @@ func entToServiceMonitor(row *dbent.ChannelMonitor) *service.ChannelMonitor {
 		ID:               row.ID,
 		Name:             row.Name,
 		Provider:         string(row.Provider),
+		APIMode:          defaultAPIModeRepo(row.APIMode),
 		Endpoint:         row.Endpoint,
 		APIKey:           row.APIKeyEncrypted, // 仍为密文，service 层负责解密
 		PrimaryModel:     row.PrimaryModel,
@@ -747,6 +750,13 @@ func defaultBodyModeRepo(mode string) string {
 	return mode
 }
 
+func defaultAPIModeRepo(apiMode string) string {
+	if apiMode == "" {
+		return "chat_completions"
+	}
+	return apiMode
+}
+
 func emptySliceIfNil(in []string) []string {
 	if in == nil {
 		return []string{}

backend/internal/repository/channel_monitor_template_repo.go

@@ -30,6 +30,7 @@ func (r *channelMonitorRequestTemplateRepository) Create(ctx context.Context, t
 	builder := client.ChannelMonitorRequestTemplate.Create().
 		SetName(t.Name).
 		SetProvider(channelmonitorrequesttemplate.Provider(t.Provider)).
+		SetAPIMode(defaultAPIModeRepo(t.APIMode)).
 		SetDescription(t.Description).
 		SetExtraHeaders(emptyHeadersIfNilRepo(t.ExtraHeaders)).
 		SetBodyOverrideMode(defaultBodyModeRepo(t.BodyOverrideMode))
@@ -61,6 +62,7 @@ func (r *channelMonitorRequestTemplateRepository) Update(ctx context.Context, t
 	client := clientFromContext(ctx, r.client)
 	updater := client.ChannelMonitorRequestTemplate.UpdateOneID(t.ID).
 		SetName(t.Name).
+		SetAPIMode(defaultAPIModeRepo(t.APIMode)).
 		SetDescription(t.Description).
 		SetExtraHeaders(emptyHeadersIfNilRepo(t.ExtraHeaders)).
 		SetBodyOverrideMode(defaultBodyModeRepo(t.BodyOverrideMode))
@@ -90,8 +92,11 @@ func (r *channelMonitorRequestTemplateRepository) List(ctx context.Context, para
 	if params.Provider != "" {
 		q = q.Where(channelmonitorrequesttemplate.ProviderEQ(channelmonitorrequesttemplate.Provider(params.Provider)))
 	}
+	if params.APIMode != "" {
+		q = q.Where(channelmonitorrequesttemplate.APIModeEQ(defaultAPIModeRepo(params.APIMode)))
+	}
 	rows, err := q.
-		Order(dbent.Asc(channelmonitorrequesttemplate.FieldProvider), dbent.Asc(channelmonitorrequesttemplate.FieldName)).
+		Order(dbent.Asc(channelmonitorrequesttemplate.FieldProvider), dbent.Asc(channelmonitorrequesttemplate.FieldAPIMode), dbent.Asc(channelmonitorrequesttemplate.FieldName)).
 		All(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("list monitor templates: %w", err)
@@ -122,7 +127,10 @@ func (r *channelMonitorRequestTemplateRepository) ApplyToMonitors(ctx context.Co
 		Where(
 			channelmonitor.TemplateIDEQ(id),
 			channelmonitor.IDIn(monitorIDs...),
+			channelmonitor.ProviderEQ(channelmonitor.Provider(tpl.Provider)),
+			channelmonitor.APIModeEQ(defaultAPIModeRepo(tpl.APIMode)),
 		).
+		SetAPIMode(defaultAPIModeRepo(tpl.APIMode)).
 		SetExtraHeaders(emptyHeadersIfNilRepo(tpl.ExtraHeaders)).
 		SetBodyOverrideMode(defaultBodyModeRepo(tpl.BodyOverrideMode))
 	if tpl.BodyOverride != nil {
@@ -165,6 +173,7 @@ func (r *channelMonitorRequestTemplateRepository) ListAssociatedMonitors(ctx con
 			ID:       row.ID,
 			Name:     row.Name,
 			Provider: string(row.Provider),
+			APIMode:  defaultAPIModeRepo(row.APIMode),
 			Enabled:  row.Enabled,
 		})
 	}
@@ -185,6 +194,7 @@ func entToServiceTemplate(row *dbent.ChannelMonitorRequestTemplate) *service.Cha
 		ID:               row.ID,
 		Name:             row.Name,
 		Provider:         string(row.Provider),
+		APIMode:          defaultAPIModeRepo(row.APIMode),
 		Description:      row.Description,
 		ExtraHeaders:     headers,
 		BodyOverrideMode: row.BodyOverrideMode,