fix: hide header version display

CLAUDE.md

@@ -16,7 +16,7 @@ When user says "COM":
 1. Increment version in BOTH `package.json` AND `CLAUDE.md`
 2. Run: `git add -A && git commit -m "chore: bump version to X.XXXX" && git push && npm run build && systemctl --user restart claudeman-web`
 
-**Version**: 0.1448 (must match `package.json`)
+**Version**: 0.1449 (must match `package.json`)
 
 ## Project Overview
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "claudeman",
-  "version": "0.1448",
+  "version": "0.1449",
   "description": "The missing control plane for Claude Code - run 20 autonomous agents with real-time monitoring and session persistence",
   "type": "module",
   "main": "dist/index.js",

src/web/public/styles.css

@@ -1801,12 +1801,9 @@ body {
   user-select: none;
 }
 
-/* Header version display */
+/* Header version display - hidden */
 .header-version {
-  font-family: 'SF Mono', Monaco, monospace;
-  font-size: 0.6rem;
-  color: var(--text-muted);
-  margin-left: 0.5rem;
+  display: none;
 }
 
 .toolbar-group {