update caldav

QUICKSTART.md

@@ -109,7 +109,7 @@ Before asking Claude to use Nextcloud:
 ### "Calendar not found" or "Tasks not found"
 - Check that you have at least one calendar created
 - Verify the Tasks app is installed and has a task list
-- See customization section in README for different calendar names
+- Use `list_calendars` to discover exact calendar names/hrefs
 
 ### Claude doesn't show Nextcloud tools
 - Verify Claude Desktop config file syntax (use a JSON validator)
@@ -120,10 +120,54 @@ Before asking Claude to use Nextcloud:
 ## 🎯 Next Steps
 
 Once working:
-1. Customize calendar/task list names in `src/index.ts` if needed
+1. Use `list_calendars`, then call `get_calendar_events` with `calendar` or `calendars` when you want specific calendars
 2. Add more tools as needed for your workflow
 3. Check out the full README.md for advanced features
 
+## 🔍 CalDAV Quick Debug (curl)
+
+List calendars:
+```bash
+curl -u "$NEXTCLOUD_USERNAME:$NEXTCLOUD_PASSWORD" \
+  -X PROPFIND \
+  -H "Depth: 1" \
+  -H "Accept: application/xml" \
+  -H "Content-Type: application/xml; charset=utf-8" \
+  --data '<?xml version="1.0" encoding="UTF-8"?>
+<d:propfind xmlns:d="DAV:" xmlns:c="urn:ietf:params:xml:ns:caldav">
+  <d:prop>
+    <d:displayname />
+    <d:resourcetype />
+    <c:supported-calendar-component-set />
+  </d:prop>
+</d:propfind>' \
+  "$NEXTCLOUD_URL/remote.php/dav/calendars/$NEXTCLOUD_USERNAME/"
+```
+
+Query events:
+```bash
+curl -u "$NEXTCLOUD_USERNAME:$NEXTCLOUD_PASSWORD" \
+  -X REPORT \
+  -H "Depth: 1" \
+  -H "Accept: application/xml" \
+  -H "Content-Type: application/xml; charset=utf-8" \
+  --data '<?xml version="1.0" encoding="UTF-8"?>
+<c:calendar-query xmlns:c="urn:ietf:params:xml:ns:caldav" xmlns:d="DAV:">
+  <d:prop>
+    <d:getetag />
+    <c:calendar-data />
+  </d:prop>
+  <c:filter>
+    <c:comp-filter name="VCALENDAR">
+      <c:comp-filter name="VEVENT">
+        <c:time-range start="20260201T000000Z" end="20260301T000000Z"/>
+      </c:comp-filter>
+    </c:comp-filter>
+  </c:filter>
+</c:calendar-query>' \
+  "$NEXTCLOUD_URL/remote.php/dav/calendars/$NEXTCLOUD_USERNAME/personal/"
+```
+
 ## 📚 Example Use Cases
 
 **Task Management**: