Documentation updates:
- Update README.md title and all references
- Update PROJECT_GUIDELINES.md title and guidelines
- Update all documentation files in docs/ directory
- Update device setup guides (Kobo, KOReader)
- Update API and architecture documentation
- Update completion summaries and progress reports
This is part 5 of the project rename to Bookhoard.
Added 110 lines of safety guidelines to prevent future bugs:
New CRITICAL PROHIBITIONS:
- NEVER delete code without reading full context (20 lines before/after)
- NEVER make cascading fix-up edits without git diff review
- NEVER skip post-edit verification
New MANDATORY REQUIREMENTS:
- Post-Edit Verification (mandatory for all file modifications)
- Backup Before Large Changes
- Large Deletion Safety Pattern
New ERROR RECOVERY PROTOCOL:
- Immediate actions when mistakes occur
- Recovery examples with git commands
- Prevention learning points
New WORKFLOW CHECKLISTS:
- Error Recovery Protocol
- Phase Completion Verification
These guidelines address the critical bug where auth functions were
accidentally deleted during cleanup, preventing recurrence.
- Document hybrid SSR architecture for frontend implementation
- Add project guidelines for development workflow
- Explain API preservation and SSR approach