feat: AI 意图路由/草稿存储 + Prompts 模块化 + UI 视觉统一 + AI 同意门 + 资源更新

后端:
- 新增 ai_intent_router 意图路由
- 新增 AiEntryDraft 草稿存储 + EF 迁移
- 新增 Prompts 模块化（global/modules/rag/router）
- AI Agent handlers 扩展

前端:
- 新增 AI 同意门 (ai_consent_gate/provider/details_page)
- HealthMetricVisuals 视觉统一
- 设备扫描/管理页面优化
- agent 插图替换 + 趋势指标图标

配置:
- DeepSeek 模型改 deepseek-v4-flash
- .gitignore 加 artifacts/audit
- build.gradle.kts 签名配置调整

backend/tests/Health.Tests/prompt_manager_tests.cs

@@ -1,47 +1,69 @@
 using Health.Infrastructure.AI;
-using Health.Domain.Enums;
 
 namespace Health.Tests;
 
 public sealed class PromptManagerTests
 {
-    [Fact]
-    public void UnifiedPrompt_DistinguishesQuestionsFromEntryRequests()
-    {
-        var prompt = new PromptManager().GetSystemPrompt(AgentType.Unified);
+    private readonly PromptManager _prompts = new();
 
-        Assert.Contains("先判断用户是在咨询数值，还是希望记录数据", prompt);
-        Assert.Contains("血氧98%是不是太高了", prompt);
-        Assert.Contains("先回答问题，不调用 record_health_data", prompt);
-        Assert.Contains("帮我记录血压116/89", prompt);
+    [Fact]
+    public void RouterPrompt_DistinguishesEntryConsultationAndDraftContinuation()
+    {
+        var prompt = _prompts.GetIntentRouterPrompt();
+
+        Assert.Contains("只负责识别意图，不回答用户问题", prompt);
+        Assert.Contains("帮我记录血压 116/89", prompt);
+        Assert.Contains("血压 116/89 正常吗", prompt);
+        Assert.Contains("同时包含 health_entry 和 medical_consultation", prompt);
+        Assert.Contains("存在草稿不代表所有后续消息都必须继续草稿", prompt);
     }
 
     [Fact]
-    public void UnifiedPrompt_RequiresFreshToolsForPersonalStatusAndKeepsArchiveReadOnly()
+    public void HealthEntryPrompt_RequiresWholeBatchDraftAndOneConfirmationCard()
     {
-        var prompt = new PromptManager().GetSystemPrompt(AgentType.Unified);
+        var prompt = _prompts.ComposeForIntents(["health_entry"]);
 
-        Assert.Contains("必须先调用对应只读工具", prompt);
-        Assert.Contains("当前工具结果是最高优先级", prompt);
-        Assert.Contains("聊天中不修改健康档案", prompt);
-        Assert.DoesNotContain("健康档案查询/修改", prompt);
+        Assert.Contains("113/86、113-86、113—86", prompt);
+        Assert.Contains("多指标属于同一录入批次", prompt);
+        Assert.Contains("record_health_data_batch", prompt);
+        Assert.Contains("每个录入批次只调用一次", prompt);
+        Assert.Contains("先根据后端结果追问缺失或错误部分", prompt);
+        Assert.Contains("全部补齐后再生成整批确认卡", prompt);
+        Assert.Contains("只有后端明确提供的待补充草稿", prompt);
+        Assert.DoesNotContain("医学知识库使用规则", prompt);
     }
 
     [Fact]
-    public void UnifiedPrompt_UsesACommonTemporalIntentModelForPlanQueries()
+    public void EntryPrompts_DoNotInventRequiredPlanFields()
     {
-        var prompt = new PromptManager().GetSystemPrompt(AgentType.Unified);
+        var medication = _prompts.ComposeForIntents(["medication_entry"]);
+        var exercise = _prompts.ComposeForIntents(["exercise_entry"]);
 
-        Assert.Contains("时间意图 + 业务对象", prompt);
-        Assert.Contains("某一天的任务", prompt);
-        Assert.Contains("计划所处的生命周期", prompt);
-        Assert.Contains("不依赖某一句固定问法或某个单独关键词", prompt);
-        Assert.Contains("scope=\"upcoming_plans\"", prompt);
-        Assert.Contains("scope=\"ended_plans\"", prompt);
-        Assert.Contains("scope=\"inactive_plans\"", prompt);
-        Assert.Contains("scope=\"scheduled_date\"", prompt);
-        Assert.Contains("复查使用同一语义映射", prompt);
-        Assert.Contains("scope 必须明确传入", prompt);
-        Assert.DoesNotContain("患者背景只包含当前日期范围内的部分计划", prompt);
+        Assert.Contains("药品名称、每次剂量、频率、具体服药时间、开始日期", medication);
+        Assert.Contains("不自行新增药品、猜测剂量", medication);
+        Assert.Contains("运动项目、每天运动时长、持续天数、开始日期和具体提醒时间", exercise);
+        Assert.Contains("当前产品不自动补默认", exercise);
+    }
+
+    [Fact]
+    public void RagRules_AreOnlyComposedForMedicalKnowledgeModules()
+    {
+        var consultation = _prompts.ComposeForIntents(["medical_consultation"]);
+        var query = _prompts.ComposeForIntents(["personal_query"]);
+        var chat = _prompts.ComposeForIntents(["general_chat"]);
+
+        Assert.Contains("医学知识库使用规则", consultation);
+        Assert.DoesNotContain("医学知识库使用规则", query);
+        Assert.DoesNotContain("医学知识库使用规则", chat);
+    }
+
+    [Fact]
+    public void MixedIntentPrompt_ComposesBothEntryAndConsultationRules()
+    {
+        var prompt = _prompts.ComposeForIntents(["health_entry", "medical_consultation"]);
+
+        Assert.Contains("健康指标录入模块", prompt);
+        Assert.Contains("医疗咨询与健康建议模块", prompt);
+        Assert.Contains("医学知识库使用规则", prompt);
     }
 }