Update CLAUDE.md: clear known bugs, document version upload fix

- Set known bugs to "None currently known"
- Added documentation for version upload fix (attachment_id handling)
- Session history updated with all bug fixes from pre-v0.0.10

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

CLAUDE.md

@@ -34,13 +34,12 @@ This project is proudly **"vibe-coded"** using Claude.AI - the entire codebase w
 
 ### Known Bugs
 
-- Version uploads not appearing in list (under investigation - may require plugin reactivation to ensure database tables exist)
+None currently known.
 
 ### Version 0.0.10
 
 - Add a license related form section to the orders form in the admin area
 - Make license domains editable in the backend
-- Investigate checkout block integration improvements if issues persist
 
 ## Technical Stack
 
@@ -513,3 +512,18 @@ Full API documentation available in `openapi.json` (OpenAPI 3.1 specification).
 - License generation now triggers on `completed`, `processing`, and `payment_complete` hooks
 - Fixed `LicenseManager::generateLicense()` to properly check product type with `is_type()`
 - Classic checkout (`woocommerce_after_order_notes`) still works for stores using classic checkout
+
+**Additional bug fix:**
+
+- Fixed: Version uploads not appearing in list after creation
+
+**Modified files:**
+
+- `src/Product/VersionManager.php` - Fixed null `attachment_id` handling in `createVersion()`
+- `src/Admin/VersionAdminController.php` - Added product validation and error logging
+
+**Technical notes:**
+
+- `$wpdb->insert()` now only includes `attachment_id` field when it has a valid value
+- Added error logging for version creation failures to aid debugging
+- Improved meta box visibility logic for new products