feat(markdown): integrate Markdown component for enhanced text rendering

- Added a reusable Markdown component to render markdown content with styled typography for dark mode.
- Updated KanbanCard to utilize the new Markdown component for displaying feature summaries, improving readability and presentation.
- Included the `react-markdown` library as a dependency for markdown parsing.

Modified: package.json, package-lock.json, markdown.tsx, kanban-card.tsx

app/src/components/ui/markdown.tsx

@@ -0,0 +1,48 @@
+"use client";
+
+import ReactMarkdown from "react-markdown";
+import { cn } from "@/lib/utils";
+
+interface MarkdownProps {
+  children: string;
+  className?: string;
+}
+
+/**
+ * Reusable Markdown component for rendering markdown content
+ * Styled for dark mode with proper typography
+ */
+export function Markdown({ children, className }: MarkdownProps) {
+  return (
+    <div
+      className={cn(
+        "prose prose-sm prose-invert max-w-none",
+        // Headings
+        "[&_h1]:text-xl [&_h1]:text-zinc-200 [&_h1]:font-semibold [&_h1]:mt-4 [&_h1]:mb-2",
+        "[&_h2]:text-lg [&_h2]:text-zinc-200 [&_h2]:font-semibold [&_h2]:mt-4 [&_h2]:mb-2",
+        "[&_h3]:text-base [&_h3]:text-zinc-200 [&_h3]:font-semibold [&_h3]:mt-3 [&_h3]:mb-2",
+        "[&_h4]:text-sm [&_h4]:text-zinc-200 [&_h4]:font-semibold [&_h4]:mt-2 [&_h4]:mb-1",
+        // Paragraphs
+        "[&_p]:text-zinc-300 [&_p]:leading-relaxed [&_p]:my-2",
+        // Lists
+        "[&_ul]:my-2 [&_ul]:pl-4 [&_ol]:my-2 [&_ol]:pl-4",
+        "[&_li]:text-zinc-300 [&_li]:my-0.5",
+        // Code
+        "[&_code]:text-cyan-400 [&_code]:bg-zinc-800/50 [&_code]:px-1.5 [&_code]:py-0.5 [&_code]:rounded [&_code]:text-sm",
+        "[&_pre]:bg-zinc-900/80 [&_pre]:border [&_pre]:border-white/10 [&_pre]:rounded-lg [&_pre]:my-2 [&_pre]:p-3 [&_pre]:overflow-x-auto",
+        "[&_pre_code]:bg-transparent [&_pre_code]:p-0",
+        // Strong/Bold
+        "[&_strong]:text-zinc-200 [&_strong]:font-semibold",
+        // Links
+        "[&_a]:text-blue-400 [&_a]:no-underline hover:[&_a]:underline",
+        // Blockquotes
+        "[&_blockquote]:border-l-2 [&_blockquote]:border-zinc-600 [&_blockquote]:pl-4 [&_blockquote]:text-zinc-400 [&_blockquote]:italic [&_blockquote]:my-2",
+        // Horizontal rules
+        "[&_hr]:border-zinc-700 [&_hr]:my-4",
+        className
+      )}
+    >
+      <ReactMarkdown>{children}</ReactMarkdown>
+    </div>
+  );
+}

app/src/components/views/kanban-card.tsx

@@ -50,6 +50,7 @@ import {
   formatModelName,
   DEFAULT_MODEL,
 } from "@/lib/agent-context-parser";
+import { Markdown } from "@/components/ui/markdown";
 
 interface KanbanCardProps {
   feature: Feature;
@@ -674,7 +675,7 @@ export function KanbanCard({
       {/* Summary Modal */}
       <Dialog open={isSummaryDialogOpen} onOpenChange={setIsSummaryDialogOpen}>
         <DialogContent
-          className="max-w-2xl max-h-[80vh] overflow-hidden flex flex-col"
+          className="max-w-4xl max-h-[80vh] overflow-hidden flex flex-col"
           data-testid={`summary-dialog-${feature.id}`}
         >
           <DialogHeader>
@@ -682,16 +683,16 @@ export function KanbanCard({
               <Sparkles className="w-5 h-5 text-green-400" />
               Implementation Summary
             </DialogTitle>
-            <DialogDescription className="text-sm">
-              {feature.description}
+            <DialogDescription className="text-sm" title={feature.description}>
+              {feature.description.length > 100
+                ? `${feature.description.slice(0, 100)}...`
+                : feature.description}
             </DialogDescription>
           </DialogHeader>
-          <div className="flex-1 overflow-y-auto">
-            <div className="prose prose-sm prose-invert max-w-none">
-              <pre className="whitespace-pre-wrap text-sm text-zinc-300 bg-zinc-900/50 p-4 rounded-lg border border-white/10">
-                {feature.summary || summary || agentInfo?.summary || "No summary available"}
-              </pre>
-            </div>
+          <div className="flex-1 overflow-y-auto p-4 bg-zinc-900/50 rounded-lg border border-white/10">
+            <Markdown>
+              {feature.summary || summary || agentInfo?.summary || "No summary available"}
+            </Markdown>
           </div>
           <DialogFooter>
             <Button