docs: Update CLAUDE.md with Issue #10 and Docker deployment notes

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

CLAUDE.md

@@ -135,6 +135,7 @@ This is a fork with UX improvements. Issues are tracked on the Gitea instance ab
 | 7 | 3dfilamentprofiles Integration | ✅ DONE |
 | 8 | (see Gitea #8) | ✅ DONE |
 | 9 | Hierarchical Locations (Room/Bin) | Open |
+| 10 | Database Import/Export | ✅ DONE |
 
 ### Issue #1 Complete - Inline Creation Modals
 
@@ -241,6 +242,28 @@ Data mapping (3dfp → Spoolman):
 - Diameter defaults to 1.75mm (3dfp doesn't provide)
 - Density from material lookup table
 
+### Issue #10 Complete - Database Import/Export
+
+Full backup/restore functionality for migrating between databases (PostgreSQL ↔ SQLite).
+
+Backend (`spoolman/api/v1/backup.py`):
+- `GET /api/v1/backup/export` - Downloads all data as single JSON file
+- `POST /api/v1/backup/import` - Imports JSON with `replace` option
+- Exports: vendors, filaments, spools, spool_adjustments, settings
+- Handles ID remapping to maintain relationships
+- Requires `python-multipart` package for file uploads
+
+Frontend (`client/src/pages/settings/generalSettings.tsx`):
+- "Backup & Restore" section in Settings page
+- "Download Backup" button for export
+- File upload with "Import (Merge)" or "Import (Replace All)" options
+- Confirmation dialog for destructive replace operation
+
+Migration workflow:
+1. Export from PostgreSQL instance via Settings → Download Backup
+2. Reconfigure container for SQLite
+3. Import via Settings → Import (Replace All)
+
 ---
 
 ## Local Development Setup
@@ -292,5 +315,15 @@ The 3dfp GitHub repo only contains sample data (3 filaments). The full dataset m
 - Waiting for them to publish full JSON exports
 - Current implementation uses `sample-filaments.json` from the repo
 
-### Next Up: Issue #9 - Hierarchical Locations
+### Next Up: Docker Deployment to Unraid
+Build and deploy this fork as a Docker container on Unraid with SQLite.
+
+Steps:
+1. Build Docker image from this repo
+2. Push to registry (Docker Hub or Gitea)
+3. Deploy on Unraid with br0 network (own IP)
+4. Use SQLite (no external DB dependency)
+5. Import data via Settings → Import
+
+### Future: Issue #9 - Hierarchical Locations
 Add room/bin/shelf support for locations. See Gitea issue #9 for details.