feat: establish teaching feedback mini program

Connect student profiles, defaults, and feedback records to the Rust API. Configure the WeChat AppID, custom tab bar, and local development workflow for version 0.1.0.

pages/records/index.wxss

@@ -0,0 +1,108 @@
+.records-page {
+  padding-top: 44rpx;
+}
+
+.records-filter {
+  margin-top: 30rpx;
+  padding: 22rpx 24rpx;
+}
+
+.filter-label,
+.filter-value {
+  display: block;
+}
+
+.filter-label {
+  color: #718096;
+  font-size: 23rpx;
+}
+
+.filter-value {
+  margin-top: 8rpx;
+  color: #17233a;
+  font-size: 29rpx;
+  font-weight: 700;
+}
+
+.records-empty {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin-top: 24rpx;
+  padding: 64rpx 36rpx;
+  text-align: center;
+}
+
+.empty-icon {
+  color: #2b67e8;
+  font-size: 56rpx;
+}
+
+.empty-title {
+  margin: 20rpx 0 12rpx;
+  color: #17233a;
+  font-size: 36rpx;
+  font-weight: 800;
+}
+
+.empty-action {
+  width: 280rpx;
+  margin-top: 28rpx;
+}
+
+.record-list {
+  display: flex;
+  flex-direction: column;
+  gap: 18rpx;
+  margin-top: 22rpx;
+}
+
+.record-card {
+  padding: 24rpx;
+}
+
+.record-top {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 20rpx;
+}
+
+.record-profile,
+.record-date,
+.record-content {
+  display: block;
+}
+
+.record-profile {
+  color: #17233a;
+  font-size: 31rpx;
+  font-weight: 800;
+}
+
+.record-date {
+  margin-top: 6rpx;
+  color: #718096;
+  font-size: 23rpx;
+}
+
+.record-content {
+  margin-top: 20rpx;
+  padding-top: 18rpx;
+  border-top: 1rpx solid #e8eef5;
+  color: #334258;
+  font-size: 27rpx;
+  line-height: 1.65;
+  white-space: pre-wrap;
+}
+
+.delete-button {
+  margin: 0;
+  padding: 8rpx 14rpx;
+  border: 1rpx solid #f2c6c6;
+  border-radius: 10rpx;
+  background: #ffffff;
+  color: #c34343;
+  font-size: 22rpx;
+  line-height: 1.3;
+}