Remove tonnage from pie chart labels for cleaner display

- Remove middle tonnage line from chart labels
- Keep only project name and percentage
- Tonnage still visible in legend below chart
- Reduces label clutter and improves readability

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/RechartsPortfolioPieChart.tsx

@@ -82,10 +82,10 @@ export function RechartsPortfolioPieChart({
           className="print:stroke-gray-400"
         />
 
-        {/* Three-line label text - smaller sizes */}
+        {/* Two-line label text - project name and percentage only */}
         <text
           x={lineEndX}
-          y={y - 14}
+          y={y - 6}
           textAnchor={textAnchor}
           className="fill-slate-700 print:text-[7px]"
           style={{ fontSize: '10px', fontWeight: 600 }}
@@ -94,16 +94,7 @@ export function RechartsPortfolioPieChart({
         </text>
         <text
           x={lineEndX}
-          y={y - 2}
-          textAnchor={textAnchor}
-          className="fill-slate-600 print:text-[6px]"
-          style={{ fontSize: '9px' }}
-        >
-          {tons} tons
-        </text>
-        <text
-          x={lineEndX}
-          y={y + 10}
+          y={y + 8}
           textAnchor={textAnchor}
           className="fill-slate-800 print:text-[6px]"
           style={{ fontSize: '9px', fontWeight: 700 }}