feat: Unify card fetching/parsing and pack generation into a single handleGenerate function and button.

docs/development/devlog/2025-12-17-143000_stack_view_consistency.md

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+# Stack View Consistency Fix
+
+## Objective
+Ensure the Stack View pack container has the same visual styling (background, border, shadow, header) as the List and Grid views.
+
+## User Request
+"the stacked view region graphic is not consistent with the other views, the container region is missing"
+
+## Implementation
+- Modified `src/client/src/components/PackCard.tsx`.
+- Removed the conditional ternary operators that stripped the background and border when `viewMode === 'stack'`.
+- Ensured consistent `p-4` padding for the content wrapper.
+- The `StackView` component is now rendered inside the standard slate card container.
+
+## Verification
+- Code review confirms the removal of `bg-transparent border-none` overrides.
+- This ensures the `bg-slate-800` class applied to the parent `div` is visible in all modes.