feat: Java 4个对话端点注入portrait_prompt（chat/coach/butler/nutrition）

cfc-backend/src/main/java/com/etotem/cfc/controller/ai/AIChatController.java

@@ -112,6 +112,15 @@ public class AIChatController {
             inputs.put("mascot_persona", "");
         }
 
+        // 画像注入
+        String chatMemberIdStr = params.get("memberId");
+        Long chatMemberId = chatMemberIdStr != null && !chatMemberIdStr.trim().isEmpty()
+                ? Long.valueOf(chatMemberIdStr) : null;
+        String chatPortrait = portraitService.buildPortraitPrompt(userId, chatMemberId);
+        if (chatPortrait != null) {
+            inputs.put("portrait_prompt", chatPortrait);
+        }
+
         // AI记忆层注入（会话摘要+关键事实）
         inputs = aiService.enrichInputsWithMemory(userId, conversationId, inputs);
 
@@ -459,6 +468,11 @@ public class AIChatController {
             inputs.put("mascot_gender", "");
             inputs.put("mascot_persona", "");
         }
+        // 画像注入
+        String coachPortrait = portraitService.buildPortraitPrompt(userId, memberId);
+        if (coachPortrait != null) {
+            inputs.put("portrait_prompt", coachPortrait);
+        }
         Map<String, Object> resp = aiGateway.chat(query, userId, conversationId, inputs);
         String answer = resp != null ? (String) resp.getOrDefault("answer", "") : "";
         Map<String, Object> result = new LinkedHashMap<>();
@@ -491,6 +505,12 @@ public class AIChatController {
         if (params.get("focus") != null) {
             inputs.put("focus", params.get("focus").toString());
         }
+        // 画像注入
+        Long butlerMemberId = params.get("memberId") != null ? Long.valueOf(params.get("memberId").toString()) : null;
+        String butlerPortrait = portraitService.buildPortraitPrompt(userId, butlerMemberId);
+        if (butlerPortrait != null) {
+            inputs.put("portrait_prompt", butlerPortrait);
+        }
         Map<String, Object> resp = aiGateway.chat(query, userId, conversationId, inputs);
         String answer = resp != null ? (String) resp.getOrDefault("answer", "") : "";
         Map<String, Object> result = new LinkedHashMap<>();