feat(tags): Add database schema and tags module (v1.3.0 Phase 1)

Implements tag/category system backend following microformats2 p-category specification.

Database changes:
- Migration 008: Add tags and note_tags tables
- Normalized tag storage (case-insensitive lookup, display name preserved)
- Indexes for performance

New module:
- starpunk/tags.py: Tag management functions
  - normalize_tag: Normalize tag strings
  - get_or_create_tag: Get or create tag records
  - add_tags_to_note: Associate tags with notes (replaces existing)
  - get_note_tags: Retrieve note tags (alphabetically ordered)
  - get_tag_by_name: Lookup tag by normalized name
  - get_notes_by_tag: Get all notes with specific tag
  - parse_tag_input: Parse comma-separated tag input

Model updates:
- Note.tags property (lazy-loaded, prefer pre-loading in routes)
- Note.to_dict() add include_tags parameter

CRUD updates:
- create_note() accepts tags parameter
- update_note() accepts tags parameter (None = no change, [] = remove all)

Micropub integration:
- Pass tags to create_note() (tags already extracted by extract_tags())
- Return tags in q=source response

Per design doc: docs/design/v1.3.0/microformats-tags-design.md

Generated with Claude Code

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

docs/design/v1.1.1/hotfix-validation-script.md

@@ -0,0 +1,160 @@
+# Hotfix Validation Script for v1.1.1-rc.2
+
+## Quick Validation Commands
+
+Run these commands after applying the hotfix to verify it works:
+
+### 1. Check Route Registration
+```python
+# In Flask shell (uv run flask shell)
+from starpunk import create_app
+app = create_app()
+
+# List all admin routes
+for rule in app.url_map.iter_rules():
+    if 'admin' in rule.endpoint:
+        print(f"{rule.endpoint:30} -> {rule.rule}")
+
+# Expected output:
+# admin.dashboard               -> /admin/
+# admin.metrics_dashboard       -> /admin/metrics-dashboard
+# admin.metrics                 -> /admin/metrics
+# admin.health_diagnostics      -> /admin/health
+# (plus CRUD routes)
+```
+
+### 2. Test URL Resolution
+```python
+# In Flask shell
+from flask import url_for
+with app.test_request_context():
+    print("Notes dashboard:", url_for('admin.dashboard'))
+    print("Metrics dashboard:", url_for('admin.metrics_dashboard'))
+
+# Expected output:
+# Notes dashboard: /admin/
+# Metrics dashboard: /admin/metrics-dashboard
+```
+
+### 3. Simulate Production Environment (No Monitoring Module)
+```bash
+# Temporarily rename monitoring module if it exists
+mv starpunk/monitoring.py starpunk/monitoring.py.bak 2>/dev/null
+
+# Start the server
+uv run flask run
+
+# Test the routes
+curl -I http://localhost:5000/admin/  # Should return 302 (redirect to auth)
+curl -I http://localhost:5000/admin/metrics-dashboard  # Should return 302 (not 500!)
+
+# Restore monitoring module if it existed
+mv starpunk/monitoring.py.bak starpunk/monitoring.py 2>/dev/null
+```
+
+### 4. Manual Browser Testing
+
+After logging in with IndieAuth:
+
+1. Navigate to `/admin/` - Should show notes list
+2. Click "Metrics" in navigation - Should load `/admin/metrics-dashboard`
+3. Click "Dashboard" in navigation - Should return to `/admin/`
+4. Create a new note - Should redirect to `/admin/` after creation
+5. Edit a note - Should redirect to `/admin/` after saving
+6. Delete a note - Should redirect to `/admin/` after deletion
+
+### 5. Check Error Logs
+```bash
+# Monitor Flask logs for any errors
+uv run flask run 2>&1 | grep -E "(ERROR|CRITICAL|ImportError|500)"
+
+# Should see NO output related to route conflicts or import errors
+```
+
+### 6. Automated Test Suite
+```bash
+# Run the admin route tests
+uv run python -m pytest tests/test_admin_routes.py -v
+
+# All tests should pass
+```
+
+## Production Verification
+
+After deploying to production:
+
+### 1. Health Check
+```bash
+curl https://starpunk.thesatelliteoflove.com/health
+# Should return 200 OK
+```
+
+### 2. Admin Routes (requires auth)
+```bash
+# These should not return 500
+curl -I https://starpunk.thesatelliteoflove.com/admin/
+curl -I https://starpunk.thesatelliteoflove.com/admin/metrics-dashboard
+```
+
+### 3. Monitor Error Logs
+```bash
+# Check production logs for any 500 errors
+tail -f /var/log/starpunk/error.log | grep "500"
+# Should see no new 500 errors
+```
+
+### 4. User Verification
+1. Log in to admin panel
+2. Verify both dashboards accessible
+3. Perform one CRUD operation to verify redirects
+
+## Rollback Commands
+
+If issues are discovered:
+
+```bash
+# Quick rollback to previous version
+git checkout v1.1.1-rc.1
+systemctl restart starpunk
+
+# Or if using containers
+docker pull starpunk:v1.1.1-rc.1
+docker-compose up -d
+```
+
+## Success Indicators
+
+✅ No 500 errors in logs
+✅ Both dashboards accessible
+✅ All redirects work correctly
+✅ Navigation links functional
+✅ No ImportError in logs
+✅ Existing functionality unchanged
+
+## Report Template
+
+After validation, report:
+
+```
+HOTFIX VALIDATION REPORT - v1.1.1-rc.2
+
+Date: [DATE]
+Environment: [Production/Staging]
+
+Route Resolution:
+- /admin/ : ✅ Shows notes dashboard
+- /admin/metrics-dashboard : ✅ Loads without error
+
+Functionality Tests:
+- Create Note: ✅ Redirects to /admin/
+- Edit Note: ✅ Redirects to /admin/
+- Delete Note: ✅ Redirects to /admin/
+- Navigation: ✅ All links work
+
+Error Monitoring:
+- 500 Errors: None observed
+- Import Errors: None observed
+- Flash Messages: Working correctly
+
+Conclusion: Hotfix successful, ready for production
+```