diff --git a/docs/agentic-os-architecture.svg b/docs/agentic-os-architecture.svg
index 7ff1bf9..c70ca24 100644
--- a/docs/agentic-os-architecture.svg
+++ b/docs/agentic-os-architecture.svg
@@ -10,7 +10,7 @@
     </linearGradient>
     <linearGradient id="dashGrad" x1="0" y1="0" x2="1" y2="0">
       <stop offset="0%" stop-color="#6c5ce7" stop-opacity="0.3"/>
-      <stop offset="0.5" stop-color="#6c5cev" stop-opacity="0.6"/>
+      <stop offset="0.5" stop-color="#6c5ce7" stop-opacity="0.6"/>
       <stop offset="1" stop-color="#6c5ce7" stop-opacity="0.3"/>
     </linearGradient>
     <linearGradient id="opencodeGrad" x1="0" y1="0" x2="0" y2="1">
diff --git a/install.sh b/install.sh
index 3fea13a..de32e91 100755
--- a/install.sh
+++ b/install.sh
@@ -67,9 +67,9 @@ mkdir -p backups audit
 if [ ! -d .git ]; then
     echo "Initializing git repository..."
     git init
-    echo "audit/*" >> .gitignore
-    echo "backups/*.tar.gz" >> .gitignore
-    echo "data/settings.json" >> .gitignore
+    grep -qxF "audit/*" .gitignore || echo "audit/*" >> .gitignore
+    grep -qxF "backups/*.tar.gz" .gitignore || echo "backups/*.tar.gz" >> .gitignore
+    grep -qxF "data/settings.json" .gitignore || echo "data/settings.json" >> .gitignore
 fi
 
 echo ""