Pickleball Research

Every fact, stat, and framework in the knowledge graph now has a SOURCE and VALIDITY tag citing the original reference (USA Pickleball Rulebook, SFIA reports, PPA Tour data, university research, coaching consensus). Unverifiable statistics flagged and corrected.

Replaced unverifiable claims: speed-up '88% win rate' → '~70%' (Picklepedia MLP study), stacking '55% of teams' → 'majority', dink '35% of shots' → 'significant portion', Nasty Nelson '~50% success' → qualitative. All remaining stats now cite sources.

New 'Confirm Password' input with real-time mismatch indicator (red border + warning text). Form submission blocked if passwords don't match.

New accounts must verify their email before logging in. Branded verification email sent via Resend. Resend button with 10-second cooldown on the confirmation screen.

Complete roster overhaul: PPA SGL/DBL/MXD points columns, DUPR SGL/DBL/MXD rating columns, sorted by Mixed PTS by default. Removed 7 players with no PPA data, added 7 replacements (Chao Yi Wang, Augustus Ge, John Lucian Goins, Mari Humberg, Liz Truluck, Alix Truong, Allyce Jones). All ranks and sponsors verified against PPA Tour, The Dink, and PickleWave.

Added per-division PPA points to the magazine's 49-row roster table with highest division highlighted green. Ranks corrected to exact PPA division rankings. Win % clarified as career rate.

Ages recalculated from birth dates (Tyler Loong 23→34, Meghan Dizon 26→32, Julian Arnold 29→35). Win rates corrected to PickleWave career data. 14 paddle sponsors updated (Fahey→ProXR, McGuffin→JOOLA, Daescu→CRBN confirmed). All 2026 deals verified against The Dink, The Kitchen, and pickleball.com trackers.

Every section of the Pickleball 101 magazine verified against official sources (USA Pickleball, PPA Tour, DUPR, SFIA, peer-reviewed studies). Fixed player ages, tour ball attributions, MLP format (20 teams, 4 games), tournament venues, equipment specs, and removed fabricated statistics. All claims now cited.

Corrected MLP to 20 teams (was 12), 4 games per match (WD, MD, MXD×2), DreamBreaker at 2-2 tie. Fixed 2025 champions to Columbus Sliders. Updated LeBron James ownership to Brooklyn Pickleball Team.

PPA Tour / MLP official ball is now Life Time LT Pro 48 (was incorrectly Franklin X-40). APP Tour uses Franklin X-40. DUPR uses Vulcan VPRO Flight. Fixed in magazine, Pinecone, and all data sources.

Removed fabricated DUPR sub-ranges, unsourced serve percentages, and 30-40% sandbagging rate. All stats now cite IPTPA assessments, DUPR official tiers, Palmere 2018, or White 2012-13 studies. Tony Roig data corrected to 3.5 level.

Pushed corrected educational content (102 records) and structured data (1,495 records) to Pinecone. Updated graph database with 20+ verified entities. All caches cleared for fresh AI responses.

Updated all player rankings, paddle sponsors, and partnership info using PickleWave ELO and DUPR data. Anna Leigh Waters (Franklin + Nike), Gabe Tardio (#1 MD with Ben Johns), Hayden Patriquin, Andrei Daescu added. Collin Johns removed from top tier.

Refreshed all cloud databases: 1,071 paddles + 269 players + 44 tournaments to Supabase, Typesense search index, and Pinecone vector index. 102 educational page content records re-indexed for AI search.

Applied input validation across all user API endpoints, improved error handling, added fallback mechanisms for service outages, and strengthened webhook verification. Content Security Policy headers added.

Fixed a bug where clicking sections near the bottom of the Table of Contents sidebar would scroll the sidebar back to the top. Active section now stays visible.

The yellow dashed volley trajectory in the Rally Timeline diagram now correctly arcs over the net to the opposite side, accurately showing that volleys are legal after both required bounces.

AI chat now retrieves 10 candidate knowledge base results and reranks them to select the 5 most relevant, producing more accurate and focused answers.

New background job automatically syncs paddle, player, and tournament data to the vector search index. Keeps AI recommendations and similar-paddle results fresh.

Extracted common AI logic (caching, personalization, model selection) into a shared module. Chat and completion endpoints are now leaner and easier to maintain.

Consolidated database client initialization into a single shared module, eliminating duplicated setup code across all API endpoints.

Set up MSW service mocking, fixed all 45 component rendering errors, and established visual regression baselines across 40 components at 3 viewport sizes.

Converted the 50,000-line static HTML magazine into 27 lazy-loaded React components with Tailwind CSS. Native TOC navigation replaces iframe approach. (In review — PR #9)

Your saved paddles, drills, builds, and profile now persist in the database per account. Log in on any device and your data follows you. No more localStorage-only storage.

Click your name in the sidebar to access all My Page tabs, Arsenal Report, account settings, and sign out — all from a dropdown menu.

Account settings (profile info, sign out, delete account) now live inside My Page as a Settings tab instead of a separate page.

Save Build, My Builds, Add to My Paddles, and Add to My Drills buttons are now hidden when not logged in. Paddle Builder, Paddle Lab, Paddle Database, and Drills pages updated.

Save/remove drill buttons now use clear plus and X icons instead of ambiguous bookmark icons. Text updated to 'Add to My Drills' and 'Remove'.

After importing a paddle in Paddle Lab, unauthenticated users see a styled chip with the paddle name and an X to clear it, instead of the input box.

Values like 7.979999 and 8.341093g now display as 7.98 and 8.3g with proper rounding in the Dynamic Performance Data table.

Resolved database connection and configuration issues preventing Google OAuth from completing. Continue with Google now works on login and signup pages.

Auth buttons are now prominently placed at the top of the sidebar. 'Sign Up Free' uses a solid green CTA, 'Sign In' uses an outlined style. Both replaced by user profile when logged in.

Every major UI component and page now has visual test coverage in Storybook, published to Chromatic for automated visual regression detection across 3 viewport sizes.

Switched to Biome for 10x faster linting and formatting. Pre-commit hooks enforce code quality on every commit. Accessibility rules catch a11y issues automatically.

Real-time error tracking with Sentry across client, server, and edge runtimes. Errors are captured with full stack traces and session context for faster debugging.

Added 58 previously missing paddles from the latest PE data export. Updated brand normalization and filled in missing specs from manufacturer sites.

Improved API endpoint reliability with input validation, session management optimizations, and faster database queries.

Inferred brand names for 127 JohnKew paddles with null brands. Fixed 2 corrupted Selkirk Labs Boomstik entries. Notion-source paddles (22 Selkirk entries) now visible in all filter views.

Dark-themed password reset emails via Resend. Matches app design with green accent branding. Uses free tier (3,000 emails/month).

Updated Next.js to latest with all security patches. Updated Tailwind CSS and PostCSS plugin.

Full authentication with email/password and Google OAuth. Login, signup, forgot/reset password, and account settings pages. Session management with cookie caching. Non-blocking — everything works anonymously, login is optional.

localStorage ↔ Supabase sync for paddles, drills, profile, and preferences. API routes for all user data. Sign in once and your data follows you across devices.

Added intelligent caching and model fallback to keep AI features fast and responsive under any load.

AI-powered analysis available on paddle-db, paddle-builder, my-paddles, tournaments, pros, and drills pages. InsightsDrawer now accepts free-text questions for contextual AI responses.

Free LLM-powered AI chat using Gemini and Groq with Upstash KV caching. Semantic cache hits, prompt-level cache, and static fallbacks ensure fast responses at zero cost.

Removed 5-item pagination on mobile for magazine paddle category modals — all paddles now display in a scrollable list. Desktop keeps 10-per-page pagination.

Updated README, deploy badges, and live site link to reflect Vercel deployment at pickleball-research.vercel.app.

Replaced redirect stub with 910-line interactive tool. Input paddle specs via sliders and dropdowns, load from My Paddles or search the 1,000+ paddle database. Live SVG radar chart, zone indicators, player-fit breakdown, and build insights update in real-time.

Widened normalization ranges to match slider travel, increased continuous coefficients 1.5-2x, wired generation/handle/grip to scoring, made width bonus continuous. Radar chart now responds dramatically to input changes.

Add Drills modal with search, category filters, and one-click save. 38 drills across 8 categories (dinking, drives, serving, footwork, strategy, doubles, transition, advanced). Empty state now shows popular drills inline.

Added event tracking for drill views, paddle builds, preset selections, player profiles, and CSV exports. Covers doubles, singles, strategy, tournaments, paddle-db, paddle-builder, pros, rules, and body pages.

Guarded @opennextjs/cloudflare dev init behind NODE_ENV check to prevent workerd subprocess crash during Vercel build. Fixed Turbopack parser error from */ in JSDoc comment. Removed dead Trigger.dev dependency.

Vector-powered similar paddle recommendations, AI insights endpoint, and automated background job for periodic data refreshes.

Added Trigger.dev SDK integration for arsenal report generation and data pipeline sync tasks. Later removed in favor of QStash.

Added comprehensive input validation and parameterized queries across all API endpoints for better data integrity.

Typesense full-text search with circuit breaker fallback to Supabase FTS. Cloudinary fetch proxy for automatic image optimization without manual uploads.

Vector similarity for paddle recommendations, fast API response caching, and feature flags for gradual rollouts.

Server-side PostHog tracking on search queries and arsenal report generation for backend analytics visibility.

Integrated PostHog client-side analytics with automatic pageview tracking, click capture, and session recording via reverse proxy to avoid ad blockers.

Upgraded tournament live scores from 30-second polling to Supabase Realtime subscriptions for instant score updates.

Resolved crash when search returned null results and hid paddle database rows with no meaningful data.

All paddle builder material and component dropdowns now properly recalculate and update the radar performance chart.

Asynchronous background job processing via QStash for generating arsenal reports and syncing external data sources.

Search layer with Typesense primary, Supabase FTS fallback, opossum circuit breaker for auto-failover, and Upstash KV caching.

Pro player data, tournament schedules, and homepage live spotlight now powered by Supabase with JSON file fallback.

Full Supabase integration with authenticated data access, user preferences table, and paddle-db migration with JSON fallback.

Deployed Typesense on Fly.io with three collections for instant faceted search across the entire database.

Database schema for paddles, players, tournaments, and user data. Client library with typed queries and seed scripts for initial data load.

Removed 32 duplicate paddles including 9 word-order variants (e.g., 'Selkirk Vanguard Power Air' vs 'Power Air Vanguard Selkirk'). Normalized 'All Court' → 'All-Court'.

Combined Pickleball Effect and Notion paddle databases with deduplication. Disabled Lab view for paddles missing core metrics.

Crawled manufacturer sites, retailers, and Google for product images across all 715 paddles. Images sourced from 50+ manufacturer Shopify/BigCommerce CDNs including JOOLA, Selkirk, Gearbox, CRBN, Engage, Franklin, Paddletek, and more.

Verified correct core thickness for every mismatched paddle by crawling manufacturer sites. Fixed JOOLA 3S series (14→16mm), Franklin C45/Tour variants, Paddletek 14.3mm variants, Gamma Airbender, Gearbox G2, and more.

69 paddles had source='pe' but contained JohnKew data — corrected to 'both'. Normalized brand names (Gruvn→GRÜVN, etc.), removed 1 duplicate, fixed zero-value placeholders. DB cleaned to 715 paddles.

Weight addon swDelta values were 2-9x too low — corrected from regression model (R²=0.89). Power formula rebalanced: balance weight 10→30 (strongest predictor), thickness 25→5 (weakest). Normalization ranges tightened to real 5th-95th percentile.

Win probability bars now clearly label the favored player with a 'FAVORED' badge and 'win prob.' text so users understand what the green bars and percentages mean.

JohnKew / Pickleball Effect / All Sources filter tabs were hidden when viewing the table — now visible in all view modes (radar, table, cards).

Intercepted JohnKew Pickleball's Looker Studio API to pull 374 paddle entries with spin category, swing resistance, and firepower scores. Matched 245 to existing paddles, added 129 new entries. Total paddle DB now at 715.

Added retry logic (3 attempts, exponential backoff), response validation, data staleness guards (>50% drop protection), and workflow summary reporting to both tournament data workflows. PPA rankings now auto-sync to ppa-rankings.json.

Canvas getImageData() threw IndexSizeError when width was 0 on initial mobile render. Added dimension guard to prevent crash.

Serif glyph descenders were clipped by overflow:hidden + line-height:0.9 + background-clip:text. Added padding-bottom and width:fit-content to ensure full text renders at all viewport sizes.

Gradient was applied across full grid column width, making '13' appear gray. Constrained gradient to text width with width:fit-content.

Fixed incorrect dates for PPA Dallas, Texas Open, Carvana AZ Grand Slam and added 8 missing PPA/MLP/APP tournament events.

Full 2026 APP Tour schedule with D-Joy, AARP Open, Sacramento, Louisville, Overland Park, Malaysia, Tour Championships, and Pro Invitationals. APP filter added to schedule and events views.

When no PPA events API data exists, events are derived from ticker match data showing tournament names, match counts, and completion status.

All 6 quick prompt chips (Analyze, Compare, What to Change, Power/Control, Doubles, Arm-Friendly) now produce unique insights. Chips are filtered per context with fade-in animations.

Added 8 missing pages to footer: Theories & Physics, Angle Geometry, Pro Gear Map, Paddle Lab, Weight Lab, My Paddles, Results, and new Personal column with My Page.

Added Theories & Physics, Angle Geometry, and Singles Strategy sections. Added 3 missing pages to All Pages grid. Expanded Pro Tours overview.

Replaced repeated pickle boat/dog-named-Pickles trivia with unique content: kitchen rule, two-bounce rule, and court dimensions.

Repositioned Magnus/Gravity force labels and trajectory annotations on both topspin and backspin sides to eliminate text collisions in Ball Science section.

Added 27 paddle-sports theories covering physics, biomechanics, and strategy. Includes 8 SVG diagrams (Triangle Theory, Seesaw Effect, Magnus Effect, etc.), Tactical HUD subsection, 14 glossary entries, and sport attribution badges for all cross-sport data.

Replaced sample/placeholder content with verified real data across multiple pages.

Ensured the magazine's Top 50 pro roster table matches the app's live player database.

Simplified angle geometry diagrams to minimal player dot + ball + cone style for better readability.

Every tennis-origin stat, study, and theory now displays a TENNIS badge so pickleball players don't misapply cross-sport data.

New section covering angle bisection math (18.2° coverage), straight lines & angles, and court geometry with dual-court SVG diagrams.

Magazine now shows per-discipline DUPR labels and correctly reflects tournament live/upcoming status.

Every pro now shows separate DUPR ratings for Singles, Doubles, and Mixed instead of a single combined rating.

Resolved a display bug where players competing in multiple disciplines showed dashes instead of their actual DUPR ratings.

Match cards now show real-time win probability bars with the favored team highlighted in green.

Tournament data auto-refreshes only when the LiveBar is visible, saving bandwidth when hidden.

LiveBar now correctly filters scores and highlights the winning team for completed matches.

Search for any player across all live/completed matches in the tournament view.

Live data merging now preserves scroll position and DOM state instead of re-rendering the entire match list.

Pro roster table now has separate SGL, DBL, MXD columns instead of a single DUPR score.

Tournament system now parses games 4 and 5 from the ticker API for championship matches.

Tournament data persists across page loads, reducing API calls and improving load speed.

All emoji icons across magazine and app replaced with crisp SVG icons and Unicode symbols for a cleaner look.

Second pass replacing remaining emoji icons and fixing broken SVG diagram paths in the magazine.

Home page updated with new section cards for Attack Targeting, Singles Strategy, and Collection features.

Full platform documentation covering architecture, data sources, page inventory, and contribution guide.

Interactive tutorial system guides new users through Paddle Database and Paddle Builder features.

Added comprehensive test suite covering CSV import/export, CRUD operations, and data validation.

Unified toolbar with undo, reset, and overwrite controls for the custom paddle builder.

Magazine sections now have visual hero bands. Users can export/import paddle collections and drill lists as CSV.

Major analytics expansion across 14 files covering shot outcomes, strategy metrics, and player performance data.

Doubles strategy page expanded with new formation diagrams, partner communication signals, and MLP data.

Research-backed attack targeting system with body zone diagrams, reaction windows, and shot selection frameworks.

Complete singles strategy guide covering court positioning, serve placement, and rally construction for solo play.

Comprehensive data accuracy audit correcting stats across multiple pages including 3rd shot split ratios and player rankings.

Brightened muted and secondary text colors throughout the magazine for better contrast and readability.

Force single-column grids at ≤768px, fix card widths, and ensure all content fills the screen on mobile devices.

Magazine sidebar now has instant tooltips, smooth collapse animation, and scroll-spy that highlights the current section.

All data tables (ball specs, paddle comparisons, pro roster) now have sticky headers that follow as you scroll.

Each named shot card (Erne, ATP, Bert, etc.) now links to a real YouTube tutorial video.

Clean vector SVG icons replace emoji throughout the magazine for consistent rendering across platforms.

Click any column header in magazine tables to sort ascending/descending — works on paddle, ball, and roster tables.

New grip infographic showing octagonal paddle handle cross-section with continental, eastern, and western grip positions.

Magazine pro roster table expanded from 18 to 50 players with full PPA/MLP stats and discipline breakdowns.

Hover over any paddle image in the detail panel to see a zoomed-in magnifier view, like Amazon product images.

Complete magazine visual overhaul with premium section headers, footer bars, branded typography, and print-ready CSS.

Comprehensive deduplication audit removed repeated paragraphs, redundant cards, and copy-paste artifacts.

Updated rules content to reflect the PPA's 2026 drop serve ban with official source links.

Corrected misaligned diagrams, fixed SVG viewBox proportions, and resolved CSS layout issues across multiple pages.

Every paddle in the database now has a real product image — scraped and verified from manufacturer sites.

Cross-referenced all stats against primary sources (PPA, USAP, manufacturer specs) and corrected 40+ inaccuracies.

Homepage tournament spotlight now pulls live data from the API instead of showing hardcoded placeholder content.

Tournament results page now dynamically discovers events and correctly filters out null medal entries.

Every pro player now has their real PPA headshot, ranking points, and a clickable modal with full career details.

Shot technique cards and drill cards now link to curated YouTube tutorials for visual learning.

Real-time tournament tracking with live API polling, results page, medal counts, and automated GitHub Action for PPA/MLP/APP data.

Tournament page auto-refreshes scores every 30 seconds during live events with smart DOM merging.

Magazine grew 7x with rich visual content across all sections: SVG diagrams, data tables, interactive charts, and court blueprints.

Complete responsive overhaul across all 18 app pages — fluid grids, touch targets, and optimized layouts for every screen size.

Tactical playbook expanded with 18 pre-built formation templates with animated court diagrams.

Magazine grew from 12 to 24 sections covering every aspect of pickleball from basics to advanced tournament strategy.

All MLP team logos replaced with official branding — SVGs for crisp rendering at any size.

Paddle Builder now features smooth 3D rotation preview. Magazine gets a collapsible table of contents sidebar.

Real player photos sourced from PPA profiles and team pages for the majority of the pro roster.

Homepage enriched with contextual micro-insights, styled pullquotes, and alternating section layouts.

Homepage rebuilt as a rich dashboard with 21 content sections, hero stories, live spotlight, and navigation grid.

App sidebar now collapses to icon-only mode, freeing screen space. MLP section shows team logos.

Full interactive ebook with CSS grid layout, 24 sections, glossary, court diagrams, and magazine-style typography.

Complete rebuild with real paddle shape geometry, width slider, 360° rotation, exploded layer view, and weight visualization.

End-to-end tournament infrastructure with live ticker bar, bracket views, BFS crawler, and automated data pipeline.

Interactive visualization of Wardlaw's 3 directional guidelines with accurate court geometry and shot angle overlays.

Complete rulebook page with PPA vs MLP vs USAP rule comparison, scoring explainer, and 2026 rule changes.

Three new pages: Ball Science (16-ball database with specs), Basics (beginner guide), and Etiquette (rec play manners).

Comprehensive drill library with warm-ups, serves, dinking, volleys, transitions, and game-situation drills.

Custom paddle design tool with accurate geometry, weight placement at 12 positions, and real-time performance metrics.

Compare all 16 approved pickleballs — bounce height, weight, diameter, hole count, and performance ratings.

Platform rebrand to Pickleball Research with new multi-view layouts, personal hub, and 6 new content pages.

Pro roster expanded from 25 to 69 players with full 2026 season data, sponsorships, and career stats.

Interactive playbook page with 16 illustrated formation plays, each with animated court diagram and step-by-step breakdown.

Major expansion adding Doubles, Strategy, Drills, Body Science, Outcomes, Guide, Shots, and Paddles pages.

Initial launch with 9 pages, paddle database (587 paddles), shot encyclopedia, and dark-theme UI.

Repository created with Next.js 16, Tailwind CSS, and Cloudflare Workers deployment configuration.