feat: 所有数据解析完全后台进行以解决页面未响应的问题；优化了头像渲染逻辑以提升渲染速度

fix: 修复了虚拟机上无法索引到wxkey的问题；修复图片密钥扫描的问题；修复年度报告错误；修复了年度报告和数据分析中的发送者错误问题；修复了部分页面偶发的未渲染名称问题；修复了头像偶发渲染失败的问题；修复了部分图片无法解密的问题

src/pages/AnalyticsWelcomePage.scss

@@ -0,0 +1,119 @@
+.analytics-welcome-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    height: 100%;
+    padding: 40px;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    animation: fadeIn 0.4s ease-out;
+
+    .welcome-content {
+        text-align: center;
+        max-width: 600px;
+
+        .icon-wrapper {
+            width: 80px;
+            height: 80px;
+            margin: 0 auto 24px;
+            background: rgba(7, 193, 96, 0.1);
+            border-radius: 20px;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            color: #07c160;
+
+            svg {
+                width: 40px;
+                height: 40px;
+            }
+        }
+
+        h1 {
+            font-size: 28px;
+            margin-bottom: 12px;
+            font-weight: 600;
+        }
+
+        p {
+            color: var(--text-secondary);
+            margin-bottom: 40px;
+            font-size: 16px;
+            line-height: 1.6;
+        }
+
+        .action-cards {
+            display: grid;
+            grid-template-columns: 1fr 1fr;
+            gap: 20px;
+            margin-top: 20px;
+
+            button {
+                display: flex;
+                flex-direction: column;
+                align-items: center;
+                padding: 30px 20px;
+                background: var(--bg-secondary);
+                border: 1px solid var(--border-color);
+                border-radius: 12px;
+                cursor: pointer;
+                transition: all 0.2s ease;
+                text-align: center;
+
+                &:hover:not(:disabled) {
+                    transform: translateY(-2px);
+                    border-color: #07c160;
+                    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.1);
+
+                    .card-icon {
+                        color: #07c160;
+                        background: rgba(7, 193, 96, 0.1);
+                    }
+                }
+
+                &:disabled {
+                    opacity: 0.6;
+                    cursor: not-allowed;
+                    filter: grayscale(100%);
+                }
+
+                .card-icon {
+                    width: 50px;
+                    height: 50px;
+                    border-radius: 12px;
+                    background: var(--bg-tertiary);
+                    display: flex;
+                    align-items: center;
+                    justify-content: center;
+                    margin-bottom: 16px;
+                    color: var(--text-secondary);
+                    transition: all 0.2s ease;
+                }
+
+                h3 {
+                    font-size: 18px;
+                    margin-bottom: 8px;
+                    color: var(--text-primary);
+                }
+
+                span {
+                    font-size: 13px;
+                    color: var(--text-tertiary);
+                }
+            }
+        }
+    }
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}