feat: add inline SVG favicon to dashboard

Amber bar-chart icon on rounded square, matching the dashboard accent
color. Embedded as a data URI so no extra file is needed.

Made-with: Cursor

Author: OhadPerryBoomi

reports/interactive_report.py

@@ -31,6 +31,7 @@ def build_interactive_report(
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>Engineering Velocity — Complexity Analyzer</title>
+  <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='7' fill='%23b45309'/%3E%3Crect x='5' y='18' width='5' height='9' rx='1.5' fill='%23fff' opacity='.85'/%3E%3Crect x='13.5' y='11' width='5' height='16' rx='1.5' fill='%23fff'/%3E%3Crect x='22' y='5' width='5' height='22' rx='1.5' fill='%23fff' opacity='.85'/%3E%3C/svg%3E">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500&family=IBM+Plex+Mono:wght@400;500&display=swap" rel="stylesheet">