fix: Add matcher to SessionEnd hook

- Added matcher: "*" (required for plugin hooks)
- Added "bash" prefix to command
- This should fix the hook not triggering on /exit

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

plugins/learn/hooks/hooks.json

@@ -3,10 +3,11 @@
   "hooks": {
     "SessionEnd": [
       {
+        "matcher": "*",
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/session-end-reminder.sh",
+            "command": "bash ${CLAUDE_PLUGIN_ROOT}/scripts/session-end-reminder.sh",
             "timeout": 5
           }
         ]