fix: Handle temporal dict format for revenue_cagr_3yr in analyzer

The metric was being passed as {value: X, end_date: Y} dict but
the formatter expected a scalar float. Added proper type checking.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/nodes/analyzer.py

@@ -759,8 +759,12 @@ def _format_metrics_for_prompt(extracted: dict, is_financial: bool = False) -> s
         elif isinstance(revenue, (int, float)):
             lines.append(f"- Revenue: ${revenue:,.0f}")
 
-        if fin.get("revenue_cagr_3yr"):
-            lines.append(f"- Revenue CAGR (3yr): {fin['revenue_cagr_3yr']:.1f}%")
+        cagr = fin.get("revenue_cagr_3yr")
+        if cagr:
+            if isinstance(cagr, dict) and cagr.get("value") is not None:
+                lines.append(f"- Revenue CAGR (3yr): {cagr['value']:.1f}%")
+            elif isinstance(cagr, (int, float)):
+                lines.append(f"- Revenue CAGR (3yr): {cagr:.1f}%")
 
         # Net margin with fiscal period
         net_margin = fin.get("net_margin", {})