fix: improve SessionStart hook formatting and update notifications

.claude/settings.json

@@ -2,15 +2,14 @@
   "hooks": {
     "SessionStart": [
       {
-        "matcher": "startup",
         "hooks": [
           {
             "type": "command",
-            "command": "[ -f FIRST_RUN ] && echo '{\"hookSpecificOutput\":{\"hookEventName\":\"SessionStart\",\"additionalContext\":\"# 🚀 Welcome to Claudesidian!\\n\\n**This appears to be your first time using this vault.**\\n\\n## Quick Start\\n\\nRun the setup wizard:\\n\\n```\\n/init-bootstrap\\n```\\n\\n## What this will do:\\n\\n✅ Set up your personalized configuration\\n✅ Disconnect from the original repository  \\n✅ Help you import any existing Obsidian vault\\n✅ Configure your preferred workflow\\n✅ Create your PARA folder structure\\n\\nThe setup wizard will guide you through everything!\"}}' || true"
+            "command": "[ -f FIRST_RUN ] && echo '{\"hookSpecificOutput\":{\"hookEventName\":\"SessionStart\",\"additionalContext\":\"\\n\\n# 🚀 Welcome to Claudesidian!\\n\\n**This appears to be your first time using this vault.**\\n\\n## Quick Start\\n\\nRun the setup wizard:\\n\\n⬇\\n/init-bootstrap\\n⬆\\n\\n## What this will do:\\n\\n✅ Set up your personalized configuration\\n✅ Disconnect from the original repository\\n✅ Help you import any existing Obsidian vault\\n✅ Configure your preferred workflow\\n✅ Create your PARA folder structure\\n\\nThe setup wizard will guide you through everything!\\n\\n\"}}' || true"
           },
           {
             "type": "command",
-            "command": "npm run check-updates 2>/dev/null || true"
+            "command": "npm run check-updates --silent 2>/dev/null || true"
           }
         ]
       }

package.json

@@ -16,7 +16,7 @@
     "attachments:recent": "find 05_Attachments -type f -mtime -7 -exec ls -la {} \\;",
     "attachments:create-organized": "mkdir -p 05_Attachments/Organized",
     "vault:stats": ".scripts/vault-stats.sh",
-    "check-updates": "REMOTE=$(curl -s https://raw.githubusercontent.com/heyitsnoah/claudesidian/main/package.json | grep version | head -1 | sed 's/.*: \"\\(.*\\)\".*/\\1/') && LOCAL=$(grep version package.json | head -1 | sed 's/.*: \"\\(.*\\)\".*/\\1/') && if [ \"$LOCAL\" != \"$REMOTE\" ]; then echo \"{\\\"hookSpecificOutput\\\":{\\\"hookEventName\\\":\\\"SessionStart\\\",\\\"additionalContext\\\":\\\"📦 Update available! Latest: $REMOTE (you have: $LOCAL)\\\\nRun /upgrade to update.\\\"}}\"; fi"
+    "check-updates": "REMOTE=$(curl -s https://raw.githubusercontent.com/heyitsnoah/claudesidian/main/package.json | grep version | head -1 | sed 's/.*: \"\\(.*\\)\".*/\\1/') && LOCAL=$(grep version package.json | head -1 | sed 's/.*: \"\\(.*\\)\".*/\\1/') && if [ \"$LOCAL\" != \"$REMOTE\" ]; then echo -e \"📦 Update available! Latest: $REMOTE (you have: $LOCAL)\\n\\n⬇\\n/upgrade\\n⬆\\n\\n## What will this do\\n\\n✅ Update to the latest version of Claudesidian\\n✅ Get new features and improvements\\n✅ Preserve your vault content and settings\\n\\n\"; fi"
   },
   "keywords": [
     "obsidian",