checkpoint: v3.0.2 — 自适应网格布局，容器宽度灵活可变 260-500pt，等距 16pt 间距

Ariver

2026-05-06 9e9f4d32731c1e846aca528a7080ce77edd3dc47

 Apptag/ContentView.swift

@@ -391,51 +391,54 @@
    }

    private var containerGrid: some View {
        GeometryReader { geo in
            let availableWidth = geo.size.width - 40  // padding
            let spacing: CGFloat = 16
            let containerMin: CGFloat = 320
            let colCount = max(1, Int((availableWidth + spacing) / (containerMin + spacing)))
            let cols = Array(repeating: GridItem(.flexible(), spacing: spacing), count: colCount)
            ScrollView {
                LazyVGrid(columns: cols, alignment: .leading, spacing: spacing) {
                    ForEach(groups) { group in
                        VStack(alignment: .leading, spacing: 6) {
                            // Group header
                            HStack(spacing: 0) {
                                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
                                Text(group.name)
                                    .font(.system(size: tagFontSize, weight: .semibold))
                                    .foregroundStyle(.secondary)
                                    .padding(.horizontal, 10)
                                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
                            }
                            // App grid — adaptive inside the container
                            let itemSize = iconSize + 28
                            LazyVGrid(
                                columns: [GridItem(.adaptive(minimum: itemSize, maximum: itemSize + 36), spacing: 6)],
                                spacing: 2
                            ) {
                                ForEach(group.apps) { app in
                                    AppGridItem(app: app, iconSize: iconSize, onSelect: { openApp(app) })
                                }
                            }
                        }
        let gap: CGFloat = 16
        let minCardW: CGFloat = 260
        let maxCardW: CGFloat = 500
        return ScrollView {
            LazyVGrid(
                columns: [GridItem(.adaptive(minimum: minCardW, maximum: maxCardW), spacing: gap)],
                spacing: gap
            ) {
                ForEach(groups) { group in
                    containerView(for: group)
                        .id(group.id)
                        .padding(16)
                        .background(
                            RoundedRectangle(cornerRadius: 14)
                                .fill(.ultraThinMaterial)
                        )
                        .overlay(
                            RoundedRectangle(cornerRadius: 14)
                                .stroke(Color.primary.opacity(0.08), lineWidth: 1)
                        )
                    }
                }
                .padding(20)
            }
            .padding(20)
        }
    }

    /// Single container: header + app grid inside rounded rect.
    /// Width is intrinsic (not fixed) — adapts to content and grid column.
    private func containerView(for group: TagGroup) -> some View {
        VStack(alignment: .leading, spacing: 6) {
            HStack(spacing: 0) {
                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
                Text(group.name)
                    .font(.system(size: tagFontSize, weight: .semibold))
                    .foregroundStyle(.secondary)
                    .padding(.horizontal, 10)
                Rectangle().fill(.secondary.opacity(0.25)).frame(height: 1)
            }
            let itemSize = iconSize + 28
            LazyVGrid(
                columns: [GridItem(.adaptive(minimum: itemSize, maximum: itemSize + 36), spacing: 6)],
                spacing: 2
            ) {
                ForEach(group.apps) { app in
                    AppGridItem(app: app, iconSize: iconSize, onSelect: { openApp(app) })
                }
            }
        }
        .padding(16)
        .background(
            RoundedRectangle(cornerRadius: 14)
                .fill(.ultraThinMaterial)
        )
        .overlay(
            RoundedRectangle(cornerRadius: 14)
                .stroke(Color.primary.opacity(0.08), lineWidth: 1)
        )
    }

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