refactor: 移除佣金比例字段，将developer统一为admin

backend/internal/router/developer/agent_apps.go

@@ -137,7 +137,6 @@ func handleGetAgentApps(c *gin.Context) {
 		AgentEmail    string             `json:"agent_email"`
 		ApplicationID uint               `json:"application_id"`
 		AppName       string             `json:"app_name"`
-		Commission    float64            `json:"commission"`
 		Discount      float64            `json:"discount"`
 		Status        string             `json:"status"`
 		CardTypes     []CardTypeResponse `json:"card_types"`
@@ -181,7 +180,6 @@ func handleGetAgentApps(c *gin.Context) {
 			AgentEmail:    agentEmail,
 			ApplicationID: aa.ApplicationID,
 			AppName:       appName,
-			Commission:    aa.Commission,
 			Discount:      aa.Discount,
 			Status:        aa.Status,
 			CardTypes:     cardTypes,
@@ -496,7 +494,6 @@ func handleApproveRequest(c *gin.Context) {
 		AgentID:       req.AgentID,
 		ApplicationID: req.ApplicationID,
 		DeveloperID:   userID,
-		Commission:    0.1,
 		Discount:      1.0,
 		Status:        "active",
 		IsReceived:    true,
@@ -606,7 +603,6 @@ func handleGetAgentAppDetail(c *gin.Context) {
 		AgentEmail    string             `json:"agent_email"`
 		ApplicationID uint               `json:"application_id"`
 		AppName       string             `json:"app_name"`
-		Commission    float64            `json:"commission"`
 		Discount      float64            `json:"discount"`
 		Status        string             `json:"status"`
 		CardTypes     []CardTypeResponse `json:"card_types"`
@@ -629,7 +625,6 @@ func handleGetAgentAppDetail(c *gin.Context) {
 		AgentName:     agent.Username,
 		ApplicationID: agentApp.ApplicationID,
 		AppName:       application.Name,
-		Commission:    agentApp.Commission,
 		Discount:      agentApp.Discount,
 		Status:        agentApp.Status,
 		CardTypes:     cardTypes,
@@ -648,7 +643,6 @@ func handleUpdateAgentApp(c *gin.Context) {
 	agentAppID := c.Param("id")
 
 	var reqBody struct {
-		Commission *float64 `json:"commission"`
 		Discount   *float64 `json:"discount"`
 		Status     *string  `json:"status"`
 	}
@@ -664,9 +658,6 @@ func handleUpdateAgentApp(c *gin.Context) {
 	}
 
 	updates := make(map[string]interface{})
-	if reqBody.Commission != nil {
-		updates["commission"] = *reqBody.Commission
-	}
 	if reqBody.Discount != nil {
 		updates["discount"] = *reqBody.Discount
 	}