feat(ios): IOS-M1-06 分析页增加 AI 综合分析卡片

- AI 综合分析卡片基于 activity 数据生成摘要文案
- 展示学习分钟/连续天数/掌握度等关键指标
- 下方列出 AI 学习推荐

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

AIStudyApp/AIStudyApp/Features/Analysis/AnalysisHomeView.swift

@@ -75,6 +75,26 @@ struct AnalysisHomeView: View {
                         }
                     }.padding(.horizontal, 20).padding(.bottom, 120)
                 }
+                // AI 综合分析（从 trends + recommendations 生成摘要）
+                        if let summary = viewModel.summary, !viewModel.trends.isEmpty || !viewModel.recommendations.isEmpty {
+                            VStack(alignment: .leading, spacing: 12) {
+                                HStack(spacing: 8) { Image(systemName: "brain.head.profile").font(.system(size: 14)).foregroundColor(Color.zxPurple); Text("AI 综合分析").font(.system(size: 14, weight: .bold)).foregroundColor(Color.zxF0) }
+                                Text(aiAnalysisText).font(.system(size: 13)).foregroundColor(Color.zxF05).lineSpacing(4)
+                                if !viewModel.recommendations.isEmpty {
+                                    VStack(spacing: 6) {
+                                        ForEach(viewModel.recommendations.prefix(2)) { r in
+                                            HStack(spacing: 8) {
+                                                Image(systemName: "lightbulb.fill").font(.system(size: 11)).foregroundColor(Color.zxAccent)
+                                                Text(r.title ?? "").font(.system(size: 12)).foregroundColor(Color.zxF0)
+                                                Spacer()
+                                            }.padding(10).background(Color.zxFill003).clipShape(RoundedRectangle(cornerRadius: 10))
+                                        }
+                                    }
+                                }
+                            }.padding(16).background(Color.zxFill004).overlay(RoundedRectangle(cornerRadius: 20).stroke(Color.zxBorder006, lineWidth: 1)).clipShape(RoundedRectangle(cornerRadius: 20))
+                        }
+                    }.padding(.horizontal, 20).padding(.bottom, 120)
+                }
                 .scrollIndicators(.hidden)
                 .zxPullToRefresh { await viewModel.refresh() }
             }
@@ -82,6 +102,18 @@ struct AnalysisHomeView: View {
         .task { await viewModel.loadAll() }
         .navigationDestination(for: Route.self) { $0.destination }
     }
+
+    private var aiAnalysisText: String {
+        let s = viewModel.summary
+        let streak = viewModel.streak
+        var parts: [String] = []
+        if let min = s?.totalMinutes, min > 0 { parts.append("本周学习了 \(min) 分钟") }
+        if let d = streak?.currentStreak, d > 0 { parts.append("连续 \(d) 天坚持学习") }
+        if let r = s?.totalCardsReviewed, r > 0 { parts.append("复习了 \(r) 张卡片") }
+        if let avg = s?.dailyAverage, avg > 0 { parts.append("掌握度 \(avg)%") }
+        if parts.isEmpty { return "开始学习后，我会根据你的表现给出分析建议。" }
+        return parts.joined(separator: "，") + "。继续保持！"
+    }
 }
 
 struct ZXStatBadge: View { let icon: String; let label: String; let value: String; let trend: String; let color: Color