fix: make check-messages.sh hook path-agnostic for D: and C: roots

Hook now tries D:/claudetools then C:/claudetools so it works on both
Mike's machine and Howard's without either needing machine-local config.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.claude/settings.json

@@ -5,5 +5,18 @@
   "preferences": {
     "autoCompact": true,
     "verbose": false
+  },
+  "hooks": {
+    "UserPromptSubmit": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "bash -c 'for p in D:/claudetools C:/claudetools; do f=\"$p/.claude/scripts/check-messages.sh\"; [ -f \"$f\" ] && exec bash \"$f\"; done'",
+            "timeout": 15
+          }
+        ]
+      }
+    ]
   }
 }