♻️ (gatherings): extract inline duplication-copy logic into reusable Gathering#copy_structure_to method

♻️ Introduce EmailHelper to centralise email rendering

Replaces scattered ERB + Premailer boilerplate with a single helper that handles template rendering, layout wrapping and CSS inlining. Simplifies preview and production code alike while keeping behaviour identical.

🚚 Rename cursor commands for clarity and consistency

🚸 Move mobile-only nav styles into partial to skip view-transition flash

💄 (app.scss): adjust responsive breakpoint from 992px to 768px for earlier tablet layout

💄 (app.scss): scope view-transition styles to desktop (≥992px) to prevent unwanted animations on mobile

🎨 (app.scss): assign unique view-transition-name to header and sidebar

💄 Add action-link and outline-primary label styles

💄 (app.scss): add view-transition rules for smoother SPA-like navigation
♿️ (app.scss): respect prefers-reduced-motion by disabling transitions when requested
💄 (accounts.rb): remove @hide_right_nav flag to keep right nav visible on auth pages

Remove comment about Set intersection time complexity in cache model

⚡️ Replace select with slice for faster participant filtering

⚡️ (account_recommendation_cache): batch queries and use Set intersection to speed up recommendations

♻️ (activity.rb): add inverse_of option to events_as_feedback_activity association to improve ORM consistency

🐛 Fix feedback queries to include events from events_as_feedback_activity

💄 (events/_sidebar.erb): add select_tickets_outro paragraph below purchase button

💄 (events/_sidebar.erb): display select_tickets_intro text above the purchase button

🎨 (events/_grid.erb): add empty-state message when no events exist

✨ (events/_grid): add “show more” toggle to hide excess event blocks
🌱 (seeds): increase seeded events from 4 to 9 to test pagination

🔥 Remove Farcaster integration from accounts

⬆️ (open_router.rb): upgrade Gemini models from 2.5-flash to 3-flash-preview
♻️ (open_router.rb): merge DEFAULT_PROVIDERS and DEFAULT_CONTEXT_WINDOW_SIZES into unified MODELS hash