Stable v2.8.21

• style(ui): full EdgeGuard teal — flip primary to #00D4AA, neutralize rainbow palettes
• fix(ui): make all remaining tables horizontally scrollable on mobile
• fix(sites): resource usage — handle unlimited limits, consistent mobile typography
• feat(sites): revamp website view — status-aware tiles, doctor ring, resource bars
• fix(reports): satisfy golangci-lint in monthly-email renderer
• feat(reports): finish v1 — live RAM, monthly auto-email, full 15-language translation
• feat(reports): reseller access for client reports
• docs(reports): add client-reports guide, what's-new note and gitignore pycache
• feat(reports): white-label client reports per subscription
• refactor(dashboard): make "What's new" auto by default, curated as per-version override
• feat(dashboard): auto-maintain the "What's new" box at stable release
• chore(ui): drop redundant !important overrides covered by theme tokens