feat: GitPulse - Git statistics dashboard with Ollama AI summary

src/components/dashboard/git-commit-stats.tsx

@@ -0,0 +1,41 @@
+interface CommitsByDateProps {
+    commits: Array<{ date: string; count: number }>;
+    className?: string;
+  }
+  
+  export function CommitsByDateChart({ commits, className }: CommitsByDateProps) {
+    const sortedCommits = [...commits].sort(
+      (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime()
+    );
+  
+    const maxValue = Math.max(...sortedCommits.map(c => c.count), 1);
+  
+    return (
+      <div className={className}>
+        <h4 className="text-sm font-semibold mb-4">Commits par date</h4>
+        <div className="flex items-end gap-2 h-40">
+          {sortedCommits.map((commit, idx) => {
+            const height = (commit.count / maxValue) * 100;
+            const date = new Date(commit.date);
+            const label = date.toLocaleDateString("fr-FR", { day: "2-digit", month: "short" });
+            return (
+              <div key={idx} className="flex-1 flex flex-col items-center gap-1">
+                <span className="text-xs text-muted-foreground">
+                  {commit.count > 0 ? commit.count : ''}
+                </span>
+                <div
+                  className="w-full bg-emerald-500 rounded-t-sm"
+                  style={{ 
+                    height: `${height}%`,
+                    minHeight: commit.count > 0 ? '24px' : '0'
+                  }}
+                  title={`${label}: ${commit.count} commits`}
+                />
+                <span className="text-xs text-muted-foreground">{label}</span>
+              </div>
+            );
+          })}
+        </div>
+      </div>
+    );
+  }