fix: add cache clearing and hook verification scripts

- post-update.sh now clears plugin cache automatically
- verify-hooks.sh checks ALL locations for prompt hooks
- Prevents cached old hooks from overriding fixed hooks

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

scripts/verify-hooks.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Verify all hooks are command type (not prompt)
+# Run this after any plugin update
+
+echo "=== HOOK VERIFICATION ==="
+echo ""
+
+FAILED=0
+
+# Check ALL hooks.json files in .claude directory
+for f in $(find ~/.claude -name "hooks.json" 2>/dev/null); do
+    if grep -q '"type": "prompt"' "$f" || grep -q '"type":"prompt"' "$f"; then
+        echo "❌ PROMPT HOOK FOUND: $f"
+        FAILED=1
+    fi
+done
+
+# Check cache specifically
+if [ -d ~/.claude/plugins/cache/leo-claude-mktplace ]; then
+    echo "❌ CACHE EXISTS: ~/.claude/plugins/cache/leo-claude-mktplace"
+    echo "   Run: rm -rf ~/.claude/plugins/cache/leo-claude-mktplace/"
+    FAILED=1
+fi
+
+# Verify installed hooks are command type
+for plugin in doc-guardian code-sentinel projman pr-review project-hygiene; do
+    HOOK_FILE=~/.claude/plugins/marketplaces/leo-claude-mktplace/plugins/$plugin/hooks/hooks.json
+    if [ -f "$HOOK_FILE" ]; then
+        if grep -q '"type": "command"' "$HOOK_FILE" || grep -q '"type":"command"' "$HOOK_FILE"; then
+            echo "✓ $plugin: command type"
+        else
+            echo "❌ $plugin: NOT command type"
+            FAILED=1
+        fi
+    fi
+done
+
+echo ""
+if [ $FAILED -eq 0 ]; then
+    echo "✓ All hooks verified OK"
+else
+    echo "❌ ISSUES FOUND - fix before using"
+    exit 1
+fi