Release v2.9.0 - Anonymous Evidence Submission System

- Create hash-based submission forms for crowdsourced evidence
- 9 customizable fields with optional password protection
- Auto-archiving via Wayback Machine
- Metadata extraction from submitted URLs
- Public submission page (no authentication required)
- Review and process workflow with verification scoring

- Background processing using context.waitUntil()
- Instant response (<1 second) for submissions
- 133x performance improvement (103s → 0.77s)

- Added Submission Forms to Evidence Collection menu
- Review Submissions interface for processing evidence
- Guest user support for investigations page

- Fixed investigations API to support guest users
- Cleaned demo data from production database
- Fixed submission API performance bottleneck

- Updated ROADMAP.md with Phase 3 completion
- Updated README.md with new features
- All changes tracked in version control

Production: https://researchtools.net
Date: 2025-10-13