feat(supply-system): add models field and agnes-2.5-flash model

- Add 'models' TEXT column to supply_system table (migration 89)
- Update SupplySystem entity with models field
- Sync schema.sql
- Fix duplicate familyId field in CommissionRecord.java
- Create Agnes AI supplier with agnes-image-2.0-flash + agnes-2.5-flash

cfc-backend/src/main/java/com/etotem/cfc/config/DatabaseInitializer.java

@@ -5264,6 +5264,7 @@ try {
         runMigration82();
         runMigration86();
         runMigration88();
+        runMigration89();
     }
 
     private void runMigration81() {
@@ -5650,4 +5651,10 @@ try {
         // commission_records 加 family_id 列
         ensureColumn("commission_records", "family_id", "BIGINT COMMENT '归属家庭 ID'");
     }
+
+    private void runMigration89() {
+        // 迁移 89: supply_system表添加models字段（AI模型供应商配置）
+        ensureColumn("supply_system", "models", "TEXT COMMENT 'AI模型列表JSON，如[\"agnes-image-2.0-flash\",\"agnes-2.5-flash\"]'");
+        log.info("已添加models列到supply_system表");
+    }
 }

cfc-backend/src/main/java/com/etotem/cfc/entity/CommissionRecord.java

@@ -42,8 +42,6 @@ public class CommissionRecord implements Serializable {
     // 提现时间
     private Date withdrawnAt;
 
-    private Long familyId;
-
     private String remark;
 
     private Long familyId;      // 归属家庭ID（家庭级推广体系）

cfc-backend/src/main/java/com/etotem/cfc/entity/SupplySystem.java

@@ -19,6 +19,7 @@ public class SupplySystem implements Serializable {
     private BigDecimal platformProfitRate;
     private String description;
     private String status;
+    private String models;
     private Date createdAt;
     private Date updatedAt;
 }

cfc-backend/src/main/resources/schema.sql

@@ -2243,6 +2243,7 @@ CREATE TABLE IF NOT EXISTS supply_system (
     settlement_period_days INT NOT NULL DEFAULT 30 COMMENT '账期（天）',
     platform_profit_rate DECIMAL(5,2) NOT NULL DEFAULT 0 COMMENT '平台留利比例(%)',
     description TEXT COMMENT '描述',
+    models TEXT COMMENT 'AI模型列表JSON，如["agnes-image-2.0-flash","agnes-2.5-flash"]',
     status VARCHAR(20) NOT NULL DEFAULT 'active' COMMENT '状态: active/disabled',
     created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,