diff --git a/plugins/claude-code/hooks/hooks.json b/plugins/claude-code/hooks/hooks.json
index 538a0b0..a31b1ed 100644
--- a/plugins/claude-code/hooks/hooks.json
+++ b/plugins/claude-code/hooks/hooks.json
@@ -2,13 +2,11 @@
   "hooks": {
     "SessionStart": [
       {
-        "matcher": "startup|resume|clear|compact",
         "hooks": [
           {
             "type": "command",
             "command": "${CLAUDE_PLUGIN_ROOT}/hooks/session-start.sh",
-            "timeout": 30,
-            "async": false
+            "timeout": 30
           }
         ]
       }
diff --git a/plugins/claude-code/hooks/session-start.sh b/plugins/claude-code/hooks/session-start.sh
index db0f2d6..f8218f2 100644
--- a/plugins/claude-code/hooks/session-start.sh
+++ b/plugins/claude-code/hooks/session-start.sh
@@ -30,6 +30,7 @@ escape_for_json() {
 using_oac_escaped=$(escape_for_json "$using_oac_content")
 
 # Build skill catalogue from skills directory
+# Use real newlines (not literal \n) so escape_for_json encodes them correctly as \n in JSON
 skill_catalogue=""
 if [ -d "${PLUGIN_ROOT}/skills" ]; then
     for skill_dir in "${PLUGIN_ROOT}/skills"/*/; do
@@ -39,9 +40,9 @@ if [ -d "${PLUGIN_ROOT}/skills" ]; then
             # Extract description from frontmatter
             description=$(grep -m1 '^description:' "$skill_file" 2>/dev/null | sed 's/^description: *//;s/^"//;s/"$//' || echo "")
             if [ -n "$description" ]; then
-                skill_catalogue="${skill_catalogue}\n- oac:${skill_name} — ${description}"
+                skill_catalogue="${skill_catalogue}"$'\n'"- oac:${skill_name} — ${description}"
             else
-                skill_catalogue="${skill_catalogue}\n- oac:${skill_name}"
+                skill_catalogue="${skill_catalogue}"$'\n'"- oac:${skill_name}"
             fi
         fi
     done