soroban-abacus-flashcards/packages/abacus-react/CHANGELOG.md

2.19.0 (2026-01-01)

Features

• vision: add physical abacus column setting and fix remote flash toggle (b206eb3)
• vision: improve remote camera calibration and UX (8846cec)

2.18.0 (2026-01-01)

Bug Fixes

• allow teacher-parents to enroll their children in other classrooms (52df7f4)
• bkt: handle missing helpLevelUsed in legacy data causing NaN (b300ed9)
• camera: handle race condition in camera initialization (2a24700)
• classroom: auto-transition tutorial→session observation + fix NaN display (962a52d)
• classroom: broadcast digit-by-digit answer and correct phase indicator (fb73e85)
• dashboard: compute skill stats from session results in curriculum API (11d4846)
• db: add missing is_paused column to session_plans (9d8b5e1)
• db: add missing journal entries for migrations 0041-0042 (398603c)
• docker: add canvas native deps for jsdom/vitest (5f51bc1)
• docker: override canvas with mock package for Alpine/musl (8be1995)
• docker: skip canvas native build (optional jsdom dep) (d717f44)
• observer: seed results panel with full session history (aab7469)
• only show session stats when there are actual problems (62aefad)
• practice: allow teachers to create student profiles (5fee129)
• practice: always show add student FAB button (a658414)
• practice: real-time progress in observer modal + numeric answer comparison (c0e63ff)
• practice: show active sessions for teacher's own children (ece3197)
• practice: use Next.js Link for student tiles + fix session observer z-index (6def610)
• seed: accurate BKT simulation for developing classifications (d5e4c85)
• share: use getShareUrl for correct production URLs (98a69f1)
• vision: fix manual calibration overlay not showing on remote camera (44dcb01)
• vision: fix remote camera calibration coordinate system (e52f94e)
• vision: swap corners diagonally for webcam orientation (dd8efe3)

Features

• API authorization audit + teacher enrollment UI + share codes (d6e369f)
• camera: auto-start camera when opening camera modal (f3bb0ae)
• camera: fullscreen modal with edge-to-edge preview (db17c96)
• chart: add grouped structure to chart hover tooltip (594e22c)
• chart: improve skill classification visual hierarchy with colors and patterns (c9518a6)
• classroom: add active sessions API endpoint (07f6bb7)
• classroom: add real-time enrollment/unenrollment reactivity (a0693e9)
• classroom: add session broadcast and active session indicators (9636f7f)
• classroom: add unified add-student modal with two-column layout (dca696a)
• classroom: add unified TeacherClassroomCard with auto-enrollment (4d6adf3)
• classroom: complete reactivity fixes (Steps 7-11) (2015494)
• classroom: consolidate filter pill to single-row design (78a63e3)
• classroom: implement enrollment system (Phase 4) (1952a41)
• classroom: implement entry prompts system (de39ab5)
• classroom: implement real-time enrollment updates (bbe0500)
• classroom: implement real-time presence with WebSocket (Phase 6) (629bfcf)
• classroom: implement real-time session observation (Step 3) (2feb684)
• classroom: implement real-time skill tutorial observation (4b73879)
• classroom: implement teacher classroom dashboard (Phase 3) (2202716)
• classroom: implement teacher-initiated pause and fix manual pause (ccea0f8)
• classroom: implement two-way abacus sync for session observation (Step 5) (2f7002e)
• classroom: improve enrollment reactivity and UX (77336be)
• classroom: integrate create student form into unified add-student modal (da92289)
• classroom: integrate Enter Classroom into StudentActionMenu (2f1b9df)
• dashboard: add skill progress chart with trend analysis and timing awareness (1fc8949)
• enable parents to observe children's practice sessions (7b82995)
• family: implement parent-to-parent family code sharing (Phase 2) (0284227)
• improve session summary header and add practice type badges (518fe15)
• observer: add live active session item to history list (91d6d6a)
• observer: add live results panel and session progress indicator (8527f89)
• observer: implement shareable session observation links (3ac7b46)
• practice: add auto-rotation for captured documents (ff79a28)
• practice: add document adjustment UI and auto-capture (473b7db)
• practice: add document scanning with multi-quad tracking (5f4f1fd)
• practice: add fixed filter bar, sticky headers, and shared EmojiPicker (0e03561)
• practice: add intervention system and improve skill chart hierarchy (bf5b99a)
• practice: add mini start practice banner to QuickLook modal (d1176da)
• practice: add Needs Attention to unified compact layout (8727782)
• practice: add photo attachments for practice sessions (9b85311)
• practice: add photo editing with rotation persistence and auto-detect (156a0df)
• practice: add smooth fullscreen transition from QuickLook to dashboard (cb8b0df)
• practice: add student organization with filtering and archiving (538718a)
• practice: add StudentActionMenu to dashboard + fix z-index layering (bf262e7)
• practice: compact single-student categories and UI improvements (0e7f326)
• practice: implement measurement-based compact layout (1656b93)
• practice: implement retry wrong problems system (474c4da)
• practice: parent session observation + relationship UI + error boundaries (07484fd)
• practice: polish unified student list with keyboard nav and mobile UX (0ba1551)
• seed: add category field to all mock student profiles (f883fbf)
• session-summary: redesign ProblemToReview with BKT integration and animations (430c46a)
• storybook: add TeacherClassroomCard stories (a5e5788)
• vision: add AbacusVisionBridge for physical soroban detection (47088e4)
• vision: add ArUco marker auto-calibration for abacus detection (9e9a06f)
• vision: add remote phone camera support for abacus detection (8e4975d)

Performance Improvements

• reduce practice page dev bundle from 47MB to 115KB (fd1df93)

2.17.0 (2025-12-20)

Bug Fixes

• modal: expand settings by default on tall phones to fill space (2ffb71a)
• modal: make StartPracticeModal full-screen on mobile phones (1383db8)

Features

• banner: add scroll-based projection with FLIP animation (d405038)
• modal: redesign StartPracticeModal layout for tall phones (0e2fcee)
• practice: unify session resume/start into projecting banner (d128e80)
• session-summary: unify summary and debug views with progressive disclosure (2977bd5)

2.16.0 (2025-12-19)

Bug Fixes

• blog: correct misleading claim about BKT feeding problem generation (184cba0)
• blog: regenerate trajectory data from correct snapshot (ce85565)
• dashboard: make student dashboard responsive for small screens (129907f)
• dashboard: use React Query mutations instead of direct fetch (ff7554b)
• migration: add statement-breakpoint between CREATE and INSERT (ba68cfc)
• practice: add comprehensive logging and validation in recordSlotResult (85d36c8)
• practice: add defensive checks in recordSlotResult (a33e3e6)
• practice: add responsive styles to SessionModeBanner for small screens (be08efe)
• practice: check all later prefix sums for ambiguity, not just final answer (43e7db4)
• practice: correct five complement skill detection for addition and subtraction (1139c4d)
• practice: correct pause phrase attribution (cc5bb47)
• practice: correct route path for resume session (1a7945d)
• practice: disable auto-scroll and add modern PWA meta tag (8a9afa8)
• practice: ensure badges are never taller than wide (5730bd6)
• practice: ensure keypad spans full screen width (4b8cbdf)
• practice: ensure speed meter bar is always visible (0c40dd5)
• practice: fix circular import causing REINFORCEMENT_CONFIG.creditMultipliers to be undefined (147974a)
• practice: fix invisible resume button by using inline styles (dd3dd45)
• practice: handle paused state transitions and add complete phase (36c9ec3)
• practice: improve dark mode contrast for sub-nav buttons (59f574c)
• practice: improve mobile layout + floating abacus positioning (3c9406a)
• practice: include endEarly.data in currentPlan priority chain (28b3b30)
• practice: make session plan page self-sufficient for data loading (7243502)
• practice: move SessionPausedModal into ActiveSession for single pause state (f0a9608)
• practice: only show landscape keypad on phone-sized screens (6c09976)
• practice: prevent keypad from covering nav and content (839171c)
• practice: prevent stray "0" rendering in problem area (7a2390b)
• practice: remove empty spacer button from keypad layout (1058f41)
• practice: remove fallback random problem generation (f95456d)
• practice: size answer boxes for intermediate prefix sums (5cfbeeb)
• practice: state-aware complexity selection with graceful fallback (6c88dcf)
• practice: update pun to "We pressed paws!" (4800a48)
• practice: use inline styles for progress bar (f45428e)
• practice: use raw CSS media query for landscape keypad visibility (31fbf80)
• practice: use React Query cache for /resume page session data (ae1a0a8)
• StartPracticeModal: responsive improvements + integrated tutorial CTA (56742c5)
• sync pause state between modal and ActiveSession (55e5c12)

Features

• abacus: add dockable abacus feature for practice sessions (5fb4751)
• abacus: add smooth animated transitions for dock/undock (2c832c7)
• bkt: add adaptive-bkt mode with unified BKT architecture (7085a4b)
• bkt: implement adaptive skill targeting with validated convergence (354ada5)
• blog: add Bayesian blame attribution validation and address reviewer feedback (ceadd9d)
• blog: add interactive ECharts for BKT validation blog post (6a4dd69)
• blog: add layered skill trajectory visualization (b227162)
• blog: add session 0, line thickness, and category averages to charts (c40baee)
• blog: show adaptive vs classic comparison on same chart (b0c0f5c)
• blog: simplify All Skills chart to show average comparison (6ef329d)
• practice: add "Press paws!" pun to auto-pause phrases (8405f64)
• practice: add /resume route for "Welcome back" experience (7b476e8)
• practice: add 30 and 45 minute session duration options (e42766c)
• practice: add auto-pause and improve docked abacus sizing (9c1fd85)
• practice: add browse mode navigation and improve SpeedMeter timing display (3c52e60)
• practice: add cascading regrouping skills and improve help UX (7cf689c)
• practice: add celebration progression banner with smooth transitions (bb9506b)
• practice: add complexity budget system and toggleable session parts (5d61de4)
• practice: add inline practice panel for browse mode debugging (c0764cc)
• practice: add pause info with response time statistics to paused modal (826c849)
• practice: add play emoji to Keep Going button (80a33bc)
• practice: add prefix sum disambiguation and debug panel (46ff5f5)
• practice: add projecting SessionModeBanner with slot-based animation (0f84ede)
• practice: add Remediation CTA for weak skill focus sessions (7d8bb2f)
• practice: add response time tracking and live timing display (18ce1f4)
• practice: add SkillUnlockBanner + session summary improvements (4daf7b7)
• practice: add student notes with animated modal + BKT improvements (2702ec5)
• practice: add subtraction support to problem generator (4f7a9d7)
• practice: add unified SessionMode system for consistent skill targeting (b345baf)
• practice: consolidate nav with transport dropdown and mood indicator (8851be5)
• practice: improve docked abacus UX and submit button behavior (60fc81b)
• practice: improve help mode UX with crossfade and dismiss behaviors (bcb1c7a)
• practice: improve modal UI with problem counts and time estimation (34d0232)
• practice: improve session summary UI (a27fb0c)
• practice: inline emoji with random pause phrases (c13fedd)
• practice: integrate timing display into sub-nav with mobile support (2fca17a)
• practice: migrate mastery model to isPracticing + computed fluency (b2e7268)
• practice: redesign paused modal with kid-friendly statistics UX (11ecb38)
• practice: reduce term count for visualization part (9159608)
• practice: refactor disambiguation into state machine with comprehensive tests (ed277ef)
• practice: responsive mobile keypad and unified skill detection (ee8dccd)
• practice: separate phrase sets for manual vs auto pause (652519f)
• practice: unify dashboard with session-aware progress display (c40543a)
• practice: use student's actual mastered skills for problem generation (245cc26)
• session-planner: integrate SessionMode for single source of truth targeting (9851c01)
• skills-modal: add spring animations and UX improvements (b94f533)
• skills: add Skills Dashboard with honest skill assessment framing (bf4334b)
• test: add journey simulator for BKT A/B testing (86cd518)
• tutorial: implement subtraction in unified step generator (e5c697b)

2.15.0 (2025-12-08)

Bug Fixes

• 404: reset easter egg config on page reload/close (d6f1c13)
• account for SVG preserveAspectRatio in coordinate transforms (e4e0925)
• add 'auto' to RuleMode type to prevent undefined display values (a8636ca)
• add comprehensive dark mode support to Smart Difficulty controls (a65feb7)
• add cooldown after quick-escape to prevent precision mode re-activation (e885ae7)
• add currentStepEstimate to required fields in JSON schema (0d66c54)
• add custom cursor when pointer lock is active (5d6d6b4)
• add missing openDeploymentInfo prop to MinimalNav (30879d8)
• add missing scaleX and scaleY number conversions (ae6cc5e)
• add missing selectedContinent to default config and fix ts-expect-error directives (07e9224)
• add mode descriptions and remove double borders (6f2f6d4)
• add quotes around unquoted keys when parsing customCrops.ts (0add49c)
• add seed and prngAlgorithm fields to all Zod schema versions (V1-V4) (1782f42)
• add shuffling to progressive difficulty mode & UI improvements (38e9982)
• add zoom to selected continent and improve click detection (6651979)
• align share persistence with user session logic (72c72fc)
• calculate total problems correctly in preview API (25dfb71)
• cancel previous give-up animation when new give-up starts (c01cb7f)
• cap zoom when releasing pointer lock (escape key) (2331f10)
• center crosshairs and re-enable pointer lock after escape (814bf94)
• change zoom capping to create pause effect instead of slow easing (f2ca9d1)
• combine fast easing with smooth precision mode transition (cab1fbf)
• configure Next.js to transpile @svg-maps ES modules (ebf2b66)
• consolidate worksheet validation constants and increase MAX_PAGES to 100 (0f3ec36)
• correct GPT-5 API parameters and surface actual grading errors (2d33f35)
• create: use inline styles for dynamic gradient backgrounds (ed25b32)
• DevCropTool key quoting and magnifier label positioning (2e4f22a)
• don't show labels for excluded/filtered regions (a83fbb1)
• eagerly load map caches in browser and use Suspense pattern (db6be73)
• eliminate cursor dampening lag when changing direction (fc08b77)
• enable page virtualization in worksheet creator (b675f6c)
• enable vertical scrolling in layout controls (a1b31f4)
• enable virtualization for worksheet preview by limiting SSR to 3 pages (f409e3c)
• ensure entire region path is clickable with pointerEvents: all (eb94191)
• export worksheet schema tables from index (6a16674)
• hide abacus on /arcade and /arcade-rooms routes (77033f0)
• implement manual click detection using precise cursor position (156f63f)
• improve dark mode contrast in OrientationPanel dropdown (f9e2343)
• improve dark mode for orientation and page buttons (fe9b9f9)
• improve draggable button constraints to avoid action button overlap (00b0fb2)
• improve magnifier zoom calculation for multi-piece regions (cb4114f)
• improve magnifier zoom smoothness and debug panel (639e662)
• improve socket server error messages for better debugging (5d1ea7d)
• improve text contrast for selected dropdown items in dark mode (8d03452)
• improve zoom easing to threshold by deferring capping (b355a3f)
• increase sampling density for tiny region detection and show all detected regions (2c9f760)
• increase super zoom multiplier from 2.5x to 5.0x for Gibraltar (138e6c0)
• increase z-index of pointer lock prompt overlay (5388441)
• know-your-world: actually change magnifier element dimensions to 1/3 (31a06d6)
• know-your-world: allow space in name confirmation input (285b128)
• know-your-world: center setup settings panel horizontally (5f69fab)
• know-your-world: correctly identify local player for cursor sharing (7aafe8c)
• know-your-world: enable hot/cold only for current player in turn mode (f5ce53e)
• know-your-world: fix celebration timer restart and mobile magnifier dismissal bugs (0558132)
• know-your-world: fix hot/cold visual feedback delay (a6352ec)
• know-your-world: fix pointer lock escape for all edges and add smooth release animation (a7fa858)
• know-your-world: fix server/client filter mismatch for USA map (98e74ba)
• know-your-world: fix TypeScript build errors (f622bfa)
• know-your-world: guard against undefined state during session init (ea8965b)
• know-your-world: improve crosshair UX and fix mobile Select button (0584863)
• know-your-world: improve mobile layout for setup screen (81b44a6)
• know-your-world: improve mobile magnifier positioning and sizing (9a254e2)
• know-your-world: improve mobile magnifier touch controls (aee5f21)
• know-your-world: make game settings visible in right panel (11d2d56)
• know-your-world: move Start button to top-right settings panel (cc51de3)
• know-your-world: normalize accented letters for keyboard input (b27856e)
• know-your-world: prevent hint bubble closing when toggling settings (a67c11a)
• know-your-world: raise auto-zoom thresholds for tiny regions (17c113e)
• know-your-world: reduce magnifier size to 1/3 of pane dimensions (61a438d)
• know-your-world: remove confidence gate from hot/cold visual emoji (7f6b9dd)
• know-your-world: remove hovered region label from setup screen (5bb2288)
• know-your-world: Remove redundant preventDefault calls in touch handlers (021a75f)
• know-your-world: remove tips section from setup screen (c9e9190)
• know-your-world: replace react-spring with CSS animation for crosshair rotation (af5e7b5)
• know-your-world: restore no-music celebration sounds (f6d1295)
• know-your-world: restore Start button character (7013a7b)
• know-your-world: stabilize mobile magnifier 1:1 touch tracking (ab30add)
• know-your-world: suppress hot/cold hints during takeover and give-up (9f6b425)
• know-your-world: use getBBox() for consistent takeover positioning (f8acc4a)
• know-your-world: use localPlayerId for cursor updates in all modes (5e8c37b)
• know-your-world: use shared MAX_ZOOM constant for mobile magnifier (e4c35e9)
• know-your-world: use spring-for-speed pattern for smooth crosshair rotation (b7fe2af)
• know-your-world: use viewport-based maxHeight for right panel (a4f9db6)
• lazy-load map data in know-your-world validator (07c25a2)
• lower quick-escape threshold to 15px/frame for easier triggering (97b214d)
• make map-renderer fill parent container for fit-crop-with-fill (18b1476)
• make placeholder pages match actual page dimensions (4003c5c)
• make useArcadeSocket work without ArcadeErrorProvider (01740af)
• merge duplicate style attributes on magnifier SVG (3eda493)
• move pointer lock management to MapRenderer (0ed4d13)
• page indicator not tracking scroll when showing all pages (3d157e3)
• page indicator stuck on page 1 due to stale closure (952ebc7)
• pass correct parameter for borrow boxes in subtraction (00d892a)
• position debug panel opposite from magnifier (aa80a73)
• position shared worksheet banner below app nav (fb3412c)
• practice: add 80px top padding to account for app nav height (a50b268)
• practice: allow vertical overflow for help overlays (1ddf9fc)
• practice: prevent decomposition math from wrapping (52ea3f1)
• practice: remove overflow clipping to allow help overlays (e9b123a)
• practice: remove redundant 'already at target' message (e9ccfb9)
• practice: use explicit padding to prevent shorthand override (4c00d92)
• preserve saved seed on page reload (64ce64b)
• preserve seed and prngAlgorithm in config migrations (b18c412)
• preserve user's scaffolding settings when changing skills (1eb04ce)
• prevent duplicate API calls in React StrictMode (0d59676)
• prevent modal closure when clicking tabs in AllSkillsModal (4746e1f)
• prevent regrouping problems in no-regrouping skills and enable progressive difficulty toggle (59712e1)
• prevent skill name wrapping in mini cards with single-line ellipsis (a463d08)
• prevent zoom jump on precision mode activation by resetting spring target (33d9f15)
• prevent zoom jump when activating precision mode (9cb3c89)
• properly apply dark mode hover states in dropdown (34553ce)
• properly cycle through problem sets when exceeding unique problem space (55d4920)
• properly zoom to selected continent in game phases (e900e44)
• reduce font size for mini skill card titles to prevent wrapping (833b481)
• refactor worksheet config persistence to blacklist approach + Storybook stories (5b6db58)
• regenerate lockfile to remove big.js dependencies (05fc5cf)
• remove all scaffolding from final mastery skills (d7bec42)
• remove background rect from main map SVG (7d3c5c3)
• remove duplicate containerRect declaration (1a690e0)
• remove magnifierSpring.zoom from effect dependencies (5eb2eed)
• remove mispositioned background rect from magnifier SVG (5815cbe)
• remove pages from visible set when they leave viewport (9757449)
• remove redundant 'Teens minus singles' subtraction skill (e156e87)
• remove regex lookbehind for Safari compatibility (4d77f1f)
• remove unused velocity tracking and fix TypeScript errors (0195a6d)
• replace deprecated path() with curve() in borrow arrows (47d149c)
• replace ES module imports with JSON data files (fb735be)
• resolve auto zoom freeze and stuck zoom issues (0aee60d)
• respect borrow boxes display setting regardless of actual borrowing (1aef0f2)
• respect operator-specific scaffolding in mastery+mixed mode (a6472a2)
• respect user's layout options (problemNumbers/cellBorders) in mastery mode (e708add)
• responsive page indicator and settings summary improvements (93ddc28)
• resume zoom animation immediately when precision mode activates (7ba7e03)
• resume zoom animation immediately when precision mode activates (7c1f2e5)
• resume zoom animation when target drops below threshold (e73b59d)
• scaffolding changes now apply in mastery+mixed mode (510f052)
• server: lazy-load game validators to avoid ES module errors (a88bd58)
• show hot/cold button on iPad with mouse attached (1333818)
• skip pointer lock request on unsupported devices (iPad) (d6eb997)
• stabilize mini skill card height and fix preview updates (4a52943)
• take all measurements inside animation callback for label sync (2191e07)
• track both SVG units and screen pixels for zoom and dampening (d72f309)
• transform screen coordinates to SVG space for isPointInFill() (4c933be)
• transmit hovered region ID with network cursor to avoid hit-testing discrepancies (6c3f860)
• tutorial: expose activeGroupTargetColumn state to context (69f759a)
• update AbacusQRCode for qrcode.react v4 compatibility (0f0c3c6)
• update operator-specific display rules in mastery+mixed mode (4174b6d)
• upgrade to Node.js 20 to resolve ES module import issues (192de5c)
• use ± symbol for mixed operator icon consistently (2695b50)
• use actual SVG path geometry for region detection instead of bounding boxes (e255ce2)
• use animated spring for magnifier label positioning (94d1cdf)
• use ASCII characters for operator icons to support dark mode (3bd5c00)
• use correct Unicode minus sign (−) for subtraction operator checks (0dd9e45)
• use dynamic ES module imports for @svg-maps packages in know-your-world (ab94fd3)
• use LAN IP instead of localhost for QR code camera uploads (00b400a)
• use screen pixels for zoom, abandon SVG path parsing (912dc38)
• use subtle gray highlights for dropdown in dark mode (8d6170a)
• use SVG viewBox units instead of screen pixels for zoom (0dcaabb)
• use white text for selected dropdown items in dark mode (e1a7375)
• worksheets: add backward compatibility for displayRules in SmartModeControls (b956e2d)
• worksheets: add borrowNotation and borrowingHints to DisplayRules interfaces (3b908ac)
• worksheets: add borrowNotation and borrowingHints to validation fallback (3f700af)
• worksheets: add mastery mode to Zod schema validation (003f1d1)
• worksheets: correct Typst array membership syntax for ten-frames rendering (14b3594)
• worksheets: enable borrowNotation and borrowingHints in smart difficulty mode (8020ee8)
• worksheets: prevent infinite loop when problem space is empty (02463df)
• worksheets: render operators last for proper layering (cdd0de7)
• worksheets: sync preview and download problem generation (822ef78)
• worksheets: ten-frames not rendering in mastery mode (b36df3a)
• worksheets: validation function was converting mastery mode to manual (4ad687d)

Features

• abacus-react: add defaultValue prop for uncontrolled mode (3ce12c5)
• add 'auto' option for scaffolding to defer to mastery progression (a945a62)
• add adaptive zoom magnifier for Know Your World map (1e8846c)
• add AI-powered worksheet grading with GPT-5 vision (6e95732)
• add auto scaffolding mode with visual feedback and override notices (b62db5a)
• add auto-submit on correct answer + Newton poem blog post (2f7cb03)
• add comprehensive error handling for arcade games (e8c5256)
• add continent filtering to Know Your World game (7bb03b8)
• add custom error boundaries with navigation (73cc418)
• add database schema for custom skills and skill customizations (906fa63)
• add debug bounding boxes to magnifier view (9c7d2fa)
• add debug indicator for custom crop region (dev only) (9c89aad)
• add detailed zoom decision debug panel (cb57f15)
• add dev-only crop tool for custom map region cropping (855e5df)
• add download and share buttons to shared worksheet viewer (9b8947a)
• add dynamic layout preview component for orientation selection (8df62d6)
• add dynamic operator icon to tab navigation (b6ff995)
• add exponential zoom scaling for sub-pixel regions (101213b)
• add fancy QR codes with abacus logo throughout app (ebcabf9)
• add give up with zoom animation for Know Your World (94cff43)
• add gold scrim overlay and improve precision mode messaging (4b20d07)
• add interactive world map continent selector (245005c)
• add Know Your World geography quiz game (25e24a7)
• add mobile drawer and detailed summary for shared worksheets (0a35e70)
• add ngrok tunnel to dev server for HTTPS testing (ab2bfde)
• add per-country coloring and individual region clicks to continent selector (2e9f409)
• add per-page worksheet generation API (6398fbe)
• add Pointer Lock API for precision mode to prevent edge issues (4d5953d)
• add precision controls for tiny regions in Know Your World (3bf127f)
• add precision mode system with pixel grid visualization (53e9041)
• add prev/next navigation buttons to mixed mode mini skill panes (498df2c)
• add problem space validation to warn about duplicate risk (0b8c180)
• add responsive mobile drawer with draggable settings button (fc1d7fc)
• add responsive page button layout with dynamic dropdown (3f33cd1)
• add shared worksheet viewer with open-in-editor functionality (4b8b3ee)
• add single-page worksheet preview API endpoint (10e97db)
• add skill configuration system with interactive 2D difficulty plot (7fbc743), closes #9333 #10b981
• add smooth fade-in animation for 404 message text changes (e88380a)
• add split-action share button with copy shortcut (085d200)
• add themed backgrounds and enhanced styling to 404 page (dd14062)
• add visible grab tab to worksheet panel resize handle (288e6ed)
• add visual debugging for zoom importance scoring (e60a2c0)
• add visual grab tab to resize handle with rounded corners (6e55d5a)
• add visual warnings to page selector buttons (5a87799)
• add worksheet generation core logic and helpers (163517d)
• add worksheet sharing infrastructure with database persistence (7b4c7c3)
• add worksheet studio with comprehensive features (d5672bd)
• apply skill-specific scaffolding and fix mini card heights (ee90182)
• blog: add subtraction and multi-digit worksheet blog posts (dd9587f)
• calculate zoom based on region under cursor, target 15% area (6736336)
• convert operator selection to checkboxes with required validation (c997c4a)
• create unified difficulty interface with 2-tab selector (0b7382f)
• enable production source maps for easier debugging (d992e98)
• enhance scaffolding tab with live preview and resolved display rules (9a5a0d4)
• help-system: add focus areas for skills needing reinforcement (871390d)
• help-system: add schema for progressive help and feedback loop (41c4603)
• help-system: add usePracticeHelp hook and skill extraction (0b1ad1f)
• help-system: integrate PracticeHelpPanel into ActiveSession (373ec34)
• hide easter egg hint until first discovery (c2c7153)
• implement binary search for optimal zoom level (1a54f09)
• implement fit-crop-with-fill for custom map crops (b6569ed)
• implement lazy loading for worksheet preview with cursor pagination (8b3d019)
• implement lazy loading for worksheet preview with cursor pagination (2a7d67d)
• improve shared worksheet viewer UX and multi-page support (1c10a82)
• improve tab navigation layout and add pages to layout button (926a029)
• improve worksheet preview placeholder with cartoonish grid layout (57fb99a)
• increase max super zoom to 120x for ultra-tiny regions (9b782be)
• increase max zoom to 1000x with detailed debug logging (a6be05f)
• know-your-world: add 'H' keyboard shortcut for hint (cdc9451)
• know-your-world: add adaptive hint cycling for struggling users (5440250)
• know-your-world: add celebration animations for found regions (3b9d6b0)
• know-your-world: add device capability hooks and improve mobile support (c502a4f)
• know-your-world: add drill-down map selector and improve setup UI (a6f8dbe)
• know-your-world: add filter tabs for size, importance, and population (6c3c0ac)
• know-your-world: add fire tracer animation for learning mode takeover (1e6153e)
• know-your-world: add hint system, pointer lock buttons, and mobile magnifier support (55e480c)
• know-your-world: add hints for Europe and Africa regions (46e5c6b)
• know-your-world: add hot/cold audio feedback for cursor proximity (69813e9)
• know-your-world: add hot/cold debug panel and production debug mode (493313a)
• know-your-world: add hot/cold feedback for mobile magnifier (824325b)
• know-your-world: add interaction state machine foundation (e4d6748)
• know-your-world: add Learning mode and fix hints before name unlock (fc87808)
• know-your-world: add learning mode takeover animation and fix give-up sequence (3fd8472)
• know-your-world: add map zoom preview, remove study time feature (57dd61b)
• know-your-world: add missing island hints and revise all hints (8b13b5a)
• know-your-world: add mobile cursor sharing and fix multi-device coop mode (2ce5e18)
• know-your-world: add mobile virtual keyboard and space-skipping (5318d0d)
• know-your-world: add multiplayer cursor sharing and fix map viewport (c3b94be)
• know-your-world: add puzzle piece fly-to-map animation for learning mode (7c49652)
• know-your-world: add range thermometer for region size selection (c7c4e7c)
• know-your-world: add region shape silhouette to learning takeover (ebe07e3)
• know-your-world: add session-based give-up voting and fix cursor emojis (bb2d6fc)
• know-your-world: add speech announcements and compass-style crosshairs (e0b762e)
• know-your-world: add speech synthesis for hints with auto-hint/auto-speak (cd841ff)
• know-your-world: add Strudel-based music system (7dab07b)
• know-your-world: add SVG path geometry helpers for future use (ea141f0)
• know-your-world: add turn-based restrictions for letter typing (45730bb)
• know-your-world: align guidance UI with assistance levels (7e7a8dc)
• know-your-world: auto-enable hot/cold for learning mode (dcc32c2)
• know-your-world: enhance hint audio and region name display (e6f58bf)
• know-your-world: fix magnifier outline aspect ratio and add visual debug toggle (ac915f2)
• know-your-world: full-screen layout with squish-through pointer lock escape (1729418)
• know-your-world: implement empirical scale measurement for 1:1 magnifier tracking (39886e8)
• know-your-world: improve magnifier UX and hide abacus on games (fa1514d)
• know-your-world: improve mobile magnifier controls and animations (4449fb1)
• know-your-world: improve mobile magnifier with adaptive zoom and select button (60cf98e)
• know-your-world: improve region size filter layout (558d369)
• know-your-world: improve setup screen UX (dc4d621)
• know-your-world: improve takeover UI and fix celebration sound bug (a8c6b84)
• know-your-world: live crop updates and safe zone improvements (3f4691e)
• know-your-world: make magnifier lazy - only move when cursor obscured (ac82564)
• know-your-world: make magnifier size responsive to aspect ratio (5920cb4)
• know-your-world: match setup phase map positioning with gameplay (b030558)
• know-your-world: move region size filters inside map preview (81301ab)
• know-your-world: move start button below settings controls (a05c4ca)
• know-your-world: Phase 2 - integrate useMagnifierZoom hook (8ce878d)
• know-your-world: responsive setup + travel-themed start button (02762fa)
• know-your-world: separate region filtering from assistance level (9499e4e)
• know-your-world: show magnifier on mobile drag gesture (a02a710)
• know-your-world: speak country names in user's locale (426a1e6)
• know-your-world: sync letter confirmation across multiplayer sessions (655660f)
• know-your-world: unified region selector with inline list on desktop (d329d80)
• know-your-world: unify setup and gameplay UI positions (141a506)
• know-your-world: unify setup UI positions with gameplay (c1a0485)
• know-your-world: wire interaction state machine to MapRenderer (7e55953)
• make 404 page abacus hero-sized and responsive (41de252)
• make resize handle grab tab fully draggable with rounded corners (be40f70)
• make scaffolding and preview collapsible (804fb1a)
• make super zoom threshold configurable and increase to 3px (d7ce474)
• make zoom transitions 4x slower for smoother experience (ca752bd)
• move difficulty parameters into Smart mode (4b66758)
• move layout controls to OrientationPanel with toggles (995966f)
• operator-specific scaffolding for mixed mastery mode (4d7d000)
• optimize problem generation and add duplicate warning system (11c46c1)
• pause zoom animation at precision mode threshold (c4989b3)
• pause/resume zoom animation at precision mode threshold (bdf59e5)
• pause/resume zoom animation at precision mode threshold (4687820)
• persist seed and prngAlgorithm for exact problem reproducibility (8cb2209)
• practice: add dark mode support and fix doubled answer digits (026993c)
• practice: add progressive help overlay with proper positioning (9a4ab82)
• practice: add session HUD with tape-deck controls and PageWithNav (b19c6d0)
• practice: add smooth problem transition animation (b12112e)
• practice: add student onboarding and offline sync features (b52f054)
• practice: add three-part daily practice session system (5855438)
• practice: improve help UX with coach hints and simplified UI (19169ad)
• practice: integrate progressive help with decomposition display (804d937)
• redesign shared worksheet viewer with read-only studio and proper error handling (23dccc0)
• remove all easter egg hints from 404 page (1756182)
• remove redundant navigation buttons from 404 page (e5262e5)
• show magnifier only when current target region needs magnification (996c973)
• show magnifier only when target region needs it (c6997ac)
• show visual feedback for auto-resolved scaffolding values (fbe776a)
• smooth cursor dampening transitions with react-spring (66544dc)
• thermometer: add "only" buttons to quickly select single category (623f882)
• worksheets: add 3x scale effect to thrown dice (920a855)
• worksheets: add draggable dice easter egg with physics (b8e66df)
• worksheets: add duplicate risk warnings to page selector UI (1d8dceb)
• worksheets: add foundational steps to progression path (7e6f99b)
• worksheets: add QR codes with share codes for easy worksheet sharing (a0e73d9)
• worksheets: add shuffle button with animated dice icon (f97efb5)
• worksheets: add viewport edge ricochet to dice physics (c6db7dc)
• worksheets: enhance dice throw physics for natural feel (047a960)
• worksheets: restore mastery progression UI with 3-way mode selector (26a0885)
• worksheets: smooth dice rotation settle to final face (d00c707)
• worksheets: upgrade to 3D dice with random rotation animation (3cd5e49)

Performance Improvements

• add spatial filtering to skip distant regions (8cb4c88)
• cache polygon conversions to fix performance regression (348ce8f)
• know-your-world: memoize state machine return value and remove debug logging (d85b976)
• reduce retry limit from 3000 to 100 in problem generators (08fef59)

Reverts

• know-your-world: undo premature extractions, restore working state (f0bf205)
• remove ngrok and LAN IP detection (0040b57)

2.14.0 (2025-11-08)

Bug Fixes

• add light/dark mode support to tutorial tooltips and decomposition UI (ea10249)
• replace hardcoded colors with semantic tokens in HomeBlogSection (e124096)
• use semantic tokens for nav bar transparent mode on hero (d05c6a8)
• worksheets: Add "Practice" difficulty profile for scaffolded regrouping mastery (d23b606)
• worksheets: Fix subtraction regrouping frequency bug (8d8e55d)

Features

• add close button and theme support to mobile menu (ea41b32)
• add function-based custom bead rendering and HTTP status code easter eggs (fde5ae9)
• add theme support to abacus style dropdown (2e294ee)
• add theme support to config panel components (c868421)
• add theme support to desktop hamburger menu (ab9272b)
• add theme support to MyAbacus button (702c1c9)
• add theme support to orientation and generate panels (e38775b)
• add theme support to worksheet page container (5c14925)
• add theme support to worksheet preview (693b679)
• implement full-screen mobile hamburger menu with portal (615cd28)
• implement two-column landscape layout with smart viewport-based flexbox (b57458b)
• make mobile menu more responsive with larger touch targets (3ad244f)
• worksheets: filter operator-specific scaffolds from difficulty change descriptions (cace1c7)
• worksheets: filter operator-specific scaffolds from preset summaries (8407b07)
• worksheets: integrate subtraction scaffolding into smart difficulty mode (15bded1)

2.13.2 (2025-11-08)

Bug Fixes

• abacus-react: remove duplicate numeral rendering and fix dark mode colors (fcbf0f5)

2.13.1 (2025-11-08)

Bug Fixes

• abacus-react: showNumbers prop was hardcoded to false, breaking numeral display (de89dcd)

2.13.0 (2025-11-08)

Bug Fixes

• add missing color definitions to example route (bc7ca12)
• PDF generation now respects operator and digitRange settings (8b8dfee)

Features

• abacus-react: add comprehensive Storybook stories for automatic theme detection (8ef57cc)

2.12.0 (2025-11-08)

Bug Fixes

• add missing blog dependencies to package.json (ceefb2f)
• arrow direction - go RIGHT to borrowed 10s box, not left (fab1fb1)
• disable place value colors in subtraction borrow boxes to fix arrow layering (b4586ba)
• make borrow notation destination boxes full height (17307f7)
• position arrowhead at endpoint and increase size (bdf28b2)
• prevent undefined displayRules error in worksheet generator (7c33d02)
• reduce borrowing hint font size from 0.5x to 0.25x (f5d3de2)
• resolve TypeScript errors blocking Docker build (a195338)
• use curved Bezier path for borrow arrow (9b4eb14)
• use dark gray for borrowing hints on colored backgrounds (5cb346d)
• use numeric cellSize for borrow box sizing in hints (cc54176)
• worksheets: actually fix dropdown button height by constraining description area (aa9052a)
• worksheets: Add operator to preview query key and update UI labels (97ddc7e)
• worksheets: add V4 fields to preview query key for cache invalidation (d9b54a7)
• worksheets: align makeEasier fallback with spec priorities (3e56e1d)
• worksheets: align makeHarder fallback with spec priorities (a170209)
• worksheets: correct findNearestPreset direction logic (878cf02)
• worksheets: correct scaffolding summary to include all conditional modes (2797038)
• worksheets: dynamically size grid based on actual problem digits (130bbd4)
• worksheets: increase color visibility for difficulty presets (a7412ad)
• worksheets: increase dropdown button height to fit all content lines (3a43149)
• worksheets: Make destination borrow box more visible (a01fa81)
• worksheets: persist digitRange and manualPreset in auto-save (c874995)
• worksheets: prevent wrong preset showing as active at custom positions (88e929e)
• worksheets: Set showBorrowNotation to false for smart mode (e9d52ba)
• worksheets: show ten-frames in smart mode when rule is 'always' (0bc8272)
• worksheets: update display options preview to use new problem-stack signature (258b9ac)
• worksheets: use fixed height instead of min-height for dropdown button (fe1ef8a)
• worksheets: use imperative voice for difficulty adjustment button labels (d991512)
• worksheets: use white text on colored backgrounds for readability (2b7b8ec)

Features

• abacus-react: add automatic theme detection for numeral colors (cbfd861)
• add arrow from '1' in borrow hint pointing right (b718994)
• add diagonal arrow from '1' to borrowed 10s box (a9319c3)
• add infrastructure for borrowing hints toggle (74c6756)
• add smooth curved arrow for borrowing hints (112745c)
• blog: add "The Calculator Won" post on abacus education history (8e04867)
• blog: add navigation bar to blog pages (6b4ed5d)
• handle cascading borrows in borrowing hints (3e1b51b)
• implement borrowing hints arrow visualization (b2f875c)
• implement borrowing hints visual guidance (89b8f98)
• implement light/dark theme system with semantic tokens (210a014)
• optimize ten-frame blog examples for dark theme (904701d)
• refactor borrow scaffolding into unified UI with column alignment (41b5c05)
• worksheets: Add borrow notation scaffolding for subtraction (ff161d4)
• worksheets: add color-coding to difficulty presets with interpolation (b1201b8)
• worksheets: add difficulty preset dropdown for Smart mode (49f6c02)
• worksheets: add interactive 2D difficulty map with hover preview (b92b702)
• worksheets: add ModeSelector component for Smart/Manual mode switching (4ffd47a)
• worksheets: add operator selection and subtraction problem generation (ab87c6e)
• worksheets: add regrouping frequency controls to Manual mode (f060692)
• worksheets: add subtraction problem analysis and implementation plan (a7b48a2)
• worksheets: add V3 config schema with Smart/Manual mode discrimination (cd1b3ed)
• worksheets: add visual mode badges to scaffolding summary (eaeeae4)
• worksheets: display scaffolding attributes on separate lines with fixed button height (cc9fff7)
• worksheets: implement true RGB color interpolation for custom difficulty (952cffa)
• worksheets: implement unique place value colors for 1-6 digit problems (65e272c)
• worksheets: improve preset dropdown with descriptions and remove duplicate buttons (852504a)
• worksheets: make progressive difficulty available in both Smart and Manual modes (54abd5d)
• worksheets: Phase 10 - Add operator validation (d93dfac)
• worksheets: Phase 5 - Update typstGenerator for operator support (b191bb9)
• worksheets: Phase 7 - Add operator to auto-save persistence (01d0959)
• worksheets: Phase 8 - Update preview and example routes for operator (0106068)
• worksheets: Phase 9 - Update DisplayOptionsPreview for operator (d5bbd78)
• worksheets: reorganize orientation panel with Radix dropdown and compact layout (f37960a)
• worksheets: replace digit selector with Radix double-thumbed slider (c0298cf)
• worksheets: show enabled scaffolding aids instead of numeric level (0b8b0d2)
• worksheets: show nearest presets for custom difficulty configurations (0e3f0ae)
• worksheets: update validation and generation for V3 mode-aware schema (ada9600)
• worksheets: use more vibrant and distinct difficulty colors (984b75c)
• worksheets: use scaffolding summary for all preset descriptions (23f0f1d)

Reverts

• remove all color-coding attempts for difficulty presets (d52b2aa)

2.11.0 (2025-11-07)

Bug Fixes

• abacus-react: include space for numbers in viewBox calculation (1da3358)
• db: add statement-breakpoint to worksheet_settings migration (42e1a71)
• docker: add libfuse2 and APPIMAGE_EXTRACT_AND_RUN for OpenSCAD extraction (12490a7)
• syntax: correct div nesting and indentation in abacus page (3c9ecca)
• syntax: remove emoji variation selector causing build error (00aabd8)
• ui: add wrapper div to prevent content from appearing under nav (99f4dd5)
• worksheets: only show ten-frames row for problems that need regrouping (8f92f5a)
• worksheets: remove foreign key constraint to support guest users (e6e9ec3)
• worksheets: resolve SSR URL error and guest user foreign key constraint (42ea8d5)

Features

• add API endpoint for live worksheet preview examples (bef3a21)
• add DisplayOptionsPreview component with debouncing (6502da7)
• blog: add blog pages and API endpoints (1886ea0)
• blog: generate worksheet examples showing scaffolding progression (b628a34)
• create: add worksheet creator card to hub page (c84d712)
• flashcards: add live preview functionality (b38bec8)
• homepage: responsive 2-column layout with data attributes (ad33056)
• i18n: add translations for addition worksheet creator (2bf645a)
• i18n: add worksheet translations for all languages (6acd15a)
• replace static examples with live preview in display options (4361ad3)
• worksheets: add customizable operands to preview (21cda18)
• worksheets: add diagonal-split pattern to carry boxes (5b91809)
• worksheets: add double-digit addition worksheet creator (1a75213)
• worksheets: add type-safe config persistence with schema versioning (0406adc)
• worksheets: enhance addition worksheets with ten-frames and refinements (71ad300)
• worksheets: generate discrete pages with precise sizing (56c0227)
• worksheets: implement auto-save and load for worksheet settings (186fa81)
• worksheets: implement constrained 2D difficulty system with pedagogical zones (c39b7f6)
• worksheets: improve difficulty controls and problem sizing (aedeb45)
• worksheets: improve preview error reporting (d8b4951)
• worksheets: pre-generate preview on server to eliminate loading flash (02c9187)
• worksheets: redesign display options as toggle buttons (ac3b749)
• worksheets: simplify difficulty controls with collapsible regrouping pane (bb363c0)
• worksheets: update ConfigPanel with accurate page calculations (2c0fbd9)

2.10.1 (2025-11-05)

Bug Fixes

• i18n: add nav bar to 3D abacus creator page (827a949)

2.10.0 (2025-11-05)

Bug Fixes

• replace regex HTML parsing with deterministic bead position calculations in icon generation (41a3707)

Features

• add cropToActiveBeads prop to AbacusStatic and AbacusReact (35b0824)
• calendar: add beautiful daily calendar with locale-based paper size detection (bdca315)
• calendar: add i18n support and cropped abacus day numbers (5242f89)
• i18n: add internationalization for all create pages (b080970)

2.9.0 (2025-11-05)

Bug Fixes

• docker: upgrade OpenSCAD to 2024.11 to fix CGAL intersection bug (e1bcd24)
• guide: increase abacus sizes - they were too small (1074624)
• guide: make abacus sizes consistent and add nav spacing (bea4842)
• guide: remove inner containers and tighten margins (7e54c6f)
• layout: add systematic spacing for fixed nav bar (4559fb1)
• layout: remove wrapper, use utility class for nav spacing (247c3d9)
• nav: restrict transparent hero styling to home page only (fab227d)

Features

• 3d-abacus: change default columns from 13 to 4 (cd15c70)
• add client-side OpenSCAD WASM support for 3D preview (eaaf17c)

2.8.3 (2025-11-05)

Bug Fixes

• tutorial: correct column validation for bead highlights (9ba1824)
• tutorial: fix overlay rendering, arrow indicators, and bead visibility (a804316)
• web,docker: add --format flag for Typst and upgrade to v0.13.0 (19b9d7a)
• web: move tsx to production dependencies for calendar generation (ffae9c1)

2.8.2 (2025-11-04)

Bug Fixes

• abacus-react: add data-testid attributes back to beads for testing (23ae1b0)

2.8.1 (2025-11-04)

Bug Fixes

• abacus-react: fix animations by preventing component remounting (be7d4c4)
• abacus-react: restore original AbacusReact measurements and positioning (88c0baa)

2.8.0 (2025-11-04)

Bug Fixes

• docker: add scripts, abacus-react, and tsx for production calendar generation (33eb90e)
• web: generate styled-system artifacts during build (293390a)
• web: move react-dom/server import to API route to satisfy Next.js (00a8bc3)
• web: prevent abacus overlap in composite calendar (448f93c), closes #f0f0f0
• web: use dynamic import for react-dom/server in API route (4f93c7d)
• web: use nested SVG elements to prevent coordinate space conflicts (f9cbee8)

Features

• abacus-react: add shared dimension calculator for consistent sizing (e5ba772)
• web: add Typst-based preview endpoint with React Suspense (599a758)
• web: add year abacus to calendar header and make grid bolder (867c7ee), closes #333
• web: optimize monthly calendar for single-page layout (b277a89)
• web: redesign monthly calendar as single composite SVG (8ce8038)

2.7.1 (2025-11-04)

Bug Fixes

• add xmlns to AbacusStatic for Typst SVG parsing (98cd019)
• web: use AbacusStatic for calendar SVG generation (08c6a41)

2.7.0 (2025-11-04)

Bug Fixes

• web: add dynamic export to rithmomachia page (329e623)
• web: fix Typst PDF generation path resolution (7ce1287)

Features

• abacus-react: add separate /static export path for React Server Components (ed69f6b)
• web: add test page for AbacusStatic RSC compatibility (903dea2)
• web: improve calendar abacus preview styling (8439727)

2.6.0 (2025-11-04)

Bug Fixes

• abacus-react: correct column highlighting offset in AbacusStatic (0641eb7)

Features

• abacus-react: add AbacusStatic for React Server Components (3b8e864)
• web: add test page for AbacusStatic Server Component (3588d5a)

2.5.0 (2025-11-03)

Features

• abacus-react: add core utility functions for state management (e65541c)
• abacus-react: add layout and educational props (35bbcec)
• abacus-react: add pre-defined theme presets (cf1f950)
• abacus-react: add React hooks for abacus calculations (de038d2)
• abacus-react: export new utilities, hooks, and themes (ce4e44d)

2.4.0 (2025-11-03)

Bug Fixes

• remove distracting parallax and wobble 3D effects (28a2d40)
• remove wobble physics and enhance wood grain visibility (5d97673)
• rewrite 3D stories to use props instead of CSS wrappers (26bdb11)
• use absolute positioning for hero abacus to eliminate scroll lag (096104b)

Features

• complete 3D enhancement integration for all three proposals (5ac55cc)
• enable 3D enhancement on hero/open MyAbacus modes (37e330f)

2.3.0 (2025-11-03)

Bug Fixes

• adjust hero abacus position to avoid covering subtitle (f03d341)
• configure favicon metadata and improve bead visibility (e1369fa)
• correct hero abacus scroll direction to flow with page content (4232746)
• extract pure SVG content from AbacusReact renders (b07f1c4)
• games: prevent horizontal page scroll from carousel overflow (5a8c98f)
• games: smooth scroll feel for carousel wheel navigation (f80a73b)
• games: use specific transition properties for smooth carousel loop (187271e)
• include column posts in favicon bounding box (0b2f481)
• mark dynamic routes as force-dynamic to prevent static generation errors (d7b35d9)
• nav: show full navigation on /games page (d3fe6ac)
• reduce padding to minimize gap below last bead (0e529be)
• resolve z-index layering and hero abacus visibility issues (ed9a050)
• separate horizontal and vertical bounding box logic (83090df)
• tolerate OpenSCAD CGAL warnings if output file is created (88993f3)
• use Debian base for deps stage to match runner for binary compatibility (f8fe6e4)
• use default BOSL2 branch instead of non-existent v2.0.0 tag (f4ffc5b)
• use nested SVG viewBox for actual cropping, not just scaling (440b492)
• various game improvements and UI enhancements (b67cf61)

Features

• add 3D printing support for abacus models (dafdfdd)
• add comprehensive Storybook coverage and migration guide (7a4a37e)
• add game preview system with mock arcade environment (25880cc)
• add per-player stats tracking system (613301c)
• add unified trophy abacus with hero mode integration (6620418)
• dynamic day-of-month favicon using subprocess pattern (4d0795a)
• dynamically crop favicon to active beads for maximum size (5670322)
• games: add autoplay and improve carousel layout (9f51edf)
• games: add horizontal scroll support to carousels (a224abb)
• games: add rotating games hero carousel (24231e6)
• i18n: update games page hero section copy (6333c60)
• install embla-carousel-autoplay for games carousel (946e5d1)
• install embla-carousel-react for player profile carousel (642ae95)
• switch to royal color theme with transparent background (944ad65), closes #fbbf24 #f59e0 #a855f7 #7e22

2.2.0 (2025-11-03)

Bug Fixes

• arcade: add automatic retry for version conflict rejections (fbcde25)
• arcade: allow deactivating players from users who left the room (7c1c2d7)
• arcade: implement optimistic locking in session manager (71fd66d)
• board rotation now properly fills height in portrait mode (b5a96ea)
• card-sorting: add border radius to outer card container (a922eba)
• card-sorting: add debug logging for spring animations (d42947e)
• card-sorting: add missing gameMode support after hard reset (a832325)
• card-sorting: add missing useMemo import (949d76d)
• card-sorting: add overflow hidden to clip rounded corners (84c66fe)
• card-sorting: adjust connecting paths for scaled cards (829c741)
• card-sorting: adjust game board for spectator panels (fc5cf12)
• card-sorting: adjust viewport dimensions for spectator panels (4dce16c)
• card-sorting: animate cards from game board to results grid (17d45fe)
• card-sorting: correct suffix card detection in auto-arrange (d02ab59)
• card-sorting: enable card scaling for spectators (6b095c3)
• card-sorting: enable New Game button during active gameplay (f3f6eca)
• card-sorting: end drag immediately when card becomes locked (ae45298)
• card-sorting: filter local player from emoji overlays on dragged cards (dc2d94a)
• card-sorting: fix results panel layout to not cover cards (4b4fbfe)
• card-sorting: hide activity notifications in spectator mode (5cca279)
• card-sorting: keep arrow sequence numbers upright (79c9469)
• card-sorting: lock correctly positioned prefix/suffix cards (170abed)
• card-sorting: lock spring positions after initial animation completes (275cc62)
• card-sorting: New Game now restarts with same settings instantly (f3687ed)
• card-sorting: only shrink/fade cards in correct prefix (51368c6)
• card-sorting: preserve card positions on pause/resume (0d8af09)
• card-sorting: preserve rotation when starting drag (3364144)
• card-sorting: prevent duplicate START_GAME moves on Play Again (a0b14f8)
• card-sorting: prevent ghost movements with proper optimistic updates (bd014be)
• card-sorting: prevent infinite loop when all cards are correct (34785f4)
• card-sorting: prevent infinite loop with tolerance-based position comparison (627b873)
• card-sorting: prevent position jump when clicking rotated cards (564a00f)
• card-sorting: prevent replaying own movements from server (308168a)
• card-sorting: prevent springs from reinitializing on window resize (30953b8)
• card-sorting: prevent springs from resetting after animation (8aff60c)
• card-sorting: remove hasAnimatedRef logic causing backwards animation (a44aa5a)
• card-sorting: remove remaining reveal numbers references (15c53ea)
• card-sorting: restore prefix/suffix card shrinking visual feedback (f5fb4d7)
• card-sorting: show only active players in team members section (fa9f1a5)
• card-sorting: smooth scale animation while dragging cards (0eefc33)
• card-sorting: stabilize inferred sequence for locked cards during drag (b0cd194)
• card-sorting: use empty deps array for useSprings to prevent recreation (cee399e)
• card-sorting: use ref to track initialized state and prevent re-animation (f389afa)
• card-sorting: use same coordinate system for game board and results (6972fdf)
• complement-race: actually filter by isActive instead of just id (ef4ca57)
• complement-race: ensure continuous position broadcasting during train movement (df60824)
• complement-race: fix ghost train position update lag and reload position reset (ad78a65)
• complement-race: fix react-spring interpolation TypeScript errors (0add9e4)
• complement-race: prevent delivery move thrashing in steam sprint mode (e1258ee)
• complement-race: show only first active player's passengers on train (2bfd5d2)
• complement-race: use individual player positions for ghost trains (00dc4b1)
• complement-race: use local player instead of first player for train display (915d8a5)
• complement-race: use sendMove with correct parameters for position updates (06cd94b)
• copy entire packages/core and packages/templates (0ccada0)
• correct Typst template path in Dockerfile (4c518de)
• delete existing user sessions before creating new ones (0cced47)
• flashcards: correct pivot point to rotate around card center (50fc3fd)
• flashcards: fix position snap-back by using api.set before decay (30e16c8)
• flashcards: improve shadow speed logging with separate throttling (0f51366)
• flashcards: increase rotation sensitivity 10x for visible grab point physics (c0fa926)
• flashcards: keep grab point under cursor with proper coordinate conversion (1869216)
• flashcards: revert to simple delta positioning to prevent card jumping (d018b69)
• flashcards: store grab offset in local coordinates to prevent jump (39d93a9)
• flashcards: use explicit per-property configs to fix decay physics (f32480a)
• hero-abacus: restructure layout to prevent visual overlap (02b6c70)
• hero: prevent nav thrashing with hysteresis (71b1b93)
• hero: prevent SSR hydration mismatch for subtitle (1bfde8f)
• hero: use Number.isNaN instead of global isNaN (c229faf)
• homepage: add dark gradient overlay for better text contrast on game cards (6410b21)
• homepage: add overflow hidden to skill cards (5070d8d)
• homepage: add overflow hidden to Your Journey section (415a1fb)
• homepage: adjust hero abacus scale for optimal sizing across devices (86dee31)
• homepage: adjust responsive breakpoints to prevent skill card clipping (62ff067)
• homepage: align container width breakpoint with grid columns (422bf3d)
• homepage: correct flashcard transform rendering (5dc636a)
• homepage: display gradient backgrounds on all game cards (c6dc210)
• homepage: improve hero abacus sizing and layout (230f1dc)
• homepage: improve text contrast on game cards with text shadows (b6410c7)
• homepage: increase abacus container width to 120px/150px (57c212f)
• homepage: increase skill card abacus container width (e65e969)
• homepage: increase skill cards container width to prevent title wrapping (cd3eb61)
• homepage: make MiniAbacus fill container properly (3b5d147)
• homepage: prevent skill card overflow (fa26acf)
• homepage: prevent text overflow in skill cards (a6ac55b)
• homepage: reduce mobile abacus scale to prevent scroll hint overlap (b8235be)
• homepage: restructure layout to center 1400px wide demo section (61403f2)
• homepage: set fixed width for learning panel to prevent layout shift (dc19622)
• homepage: set fixed width for tutorial panel to prevent layout shift (aba9f8a)
• homepage: set min-width 1400px on container and remove max-width (aa297d4)
• homepage: use actual container dimensions for flashcard positioning (4082a24)
• homepage: use app-wide abacus config in interactive flashcards (cf1be2d)
• homepage: widen skill cards container to 650px (bc1ad3a)
• i18n: eliminate FOUC by loading messages server-side (4d4d930)
• i18n: use useMessages() for tutorial translations (95b0105)
• increase server update debounce to 2000ms for low bandwidth (633ff12)
• Integrate threshold input into Point Victory card (b29bbee)
• levels: add fixed dimensions and margins to kyu detail boxes (05dd0b3)
• levels: add smooth CSS transitions for slider thumb movement (ca8cef1)
• levels: adjust slider text positioning to prevent emoji overlap (e5ffe39)
• levels: improve slider tick spacing to use full width (1e90d6c)
• levels: increase animation speed to 10ms for 10th Dan (6f89d9e)
• levels: match top/bottom margins to left padding on kyu detail boxes (aa0bdcf)
• levels: reduce operator box sizes and remove divider line (29d20a6)
• levels: use two-column grid for kyu details to prevent clipping (fa3b73c)
• levels: use uniform padding on operator box grid (2818fd1)
• mobile: optimize Your Journey section for iPhone displays (9167fb4)
• mobile: reduce height of Your Journey section on mobile (8944035)
• mobile: restore abacus visibility in "Your Journey" section (c96036d)
• navbar: apply glassmorphism to transparent mode, not scrolled mode (8893675)
• navbar: remove border artifact and add 10px bottom fade (d5f60ce)
• nav: ensure nav bar appears above tutorial tooltips (cc31564)
• nav: prevent thrashing by using fixed position always (eff44b3)
• nav: remove unnecessary borders from transparent nav (8c2ddca)
• qr-button: improve layout and z-index (646a422)
• qr-button: increase mini QR code size to 80px (61ac737)
• qr-button: increase mini QR code to 84px (3fae5ea)
• qr-button: make button square and increase QR size (dc2d466)
• qr-button: match height of stacked buttons (81f202d)
• rithmomachia: add missing i18next dependencies (91154d9)
• rithmomachia: add missing pyramid section keys to Japanese (ja.json) (dae615e)
• rithmomachia: adjust error dialog sizing to prevent text clipping (cda1126)
• rithmomachia: adjust roster notice position to not overlap nav (7093223)
• rithmomachia: change undock icon to pop-out arrow (2a91748)
• rithmomachia: correct board dimensions to 16x8 and restore original layout values (cfac277)
• rithmomachia: Correct board setup to match reference image exactly (618e563)
• rithmomachia: correct makeMove parameter types for capture handling (aafb64f)
• rithmomachia: fix guide modal resize drift by calculating from initial state (1bcd99c)
• rithmomachia: fix harmony section translation structure for hi/ja/es (14259a1)
• rithmomachia: fix modal resizing zoom issue (4fa20f4)
• rithmomachia: Fix TypeScript errors in playing guide modal (4834ece)
• rithmomachia: handle pyramid pieces in hover error tooltip (56f3164)
• rithmomachia: implement proper board cropping and highlighting in guide (d0a8fcd)
• rithmomachia: improve guide modal tab navigation at narrow widths (a673177)
• rithmomachia: reconnect player assignment UI and fix setup layout (a1a0374)
• rithmomachia: render guide as docked in preview panel (190f8cf)
• rithmomachia: show actual values in tooltips for non-helper relations (774c6b0)
• rithmomachia: show guest-friendly message when they can't fix too many players (54bfd2f)
• rithmomachia: smooth guide dragging from docked state without jump (8f4a79c)
• rithmomachia: validate move path before showing capture error on hover (bd49964)
• room-info: hide Leave Room button when user is alone (5927f61)
• types: properly type HomeHeroContext in AppNavBar (f9a7cb7)

Features

• abacus: add nativeAbacusNumbers setting to schema and UI (79f7347)
• add comprehensive metadata, SEO, and make AbacusReact SSR-compatible (0922ea1)
• add Strategy & Tactics section to Rithmomachia guide (81ead65)
• add vibrant gradients and equal heights to game cards (a1a135a), closes #4 #00f2 #667 #764ba2 #f093 #f5576 #43e97 #38f9d7
• arcade: add ability to deactivate remote players without kicking user (3628426)
• arcade: add native abacus numbers support to pressure gauge (1d525c7)
• arcade: add Rithmomachia (Battle of Numbers) game (2fc0a05)
• arcade: add yjs-demo collaborative game and Yjs persistence layer (d568955)
• arcade: auto-create room when user has none (ff88c3a)
• branding: rebrand navigation from 'Soroban Generator' to 'Abaci One' (cce8980)
• card-sorting: add activity feed notifications for collaborative mode (1461414)
• card-sorting: add auto-submit countdown for perfect sequences (780a716)
• card-sorting: add bezier curves to connecting arrows (4d8e873)
• card-sorting: add CardPosition type and position syncing (656f5a7)
• card-sorting: add collapsible stats sidebar for spectators (6527c26)
• card-sorting: add game mode selector UI to setup phase (d25b888)
• card-sorting: add GameMode type system for multiplayer support (fd76533)
• card-sorting: add green border to correctly positioned cards (16fca86), closes #22c55
• card-sorting: add player emoji indicators on moving cards (3a82099)
• card-sorting: add react-spring animations for real-time sync (c367e0c)
• card-sorting: add smooth transition to drop shadow (b0b93d0)
• card-sorting: add spectator mode UI enhancements (ee7345d), closes #6366f1 #8b5cf6
• card-sorting: add team scoring UI for collaborative mode (ed6f177), closes #a78 #8b5cf6
• card-sorting: add updateCardPositions action to Provider (f6ed4a2)
• card-sorting: auto-arrange prefix/suffix cards in corners (4ba7f24)
• card-sorting: fade correctly positioned cards to 50% opacity (7028cfc)
• card-sorting: gentler spring animation for locked cards (47189cb)
• card-sorting: implement continuous bezier curve paths (2d93024)
• card-sorting: improve card distribution for natural scattered look (0b0503f)
• card-sorting: make player emoji fill entire card background (2e7a02c)
• card-sorting: optimize results screen for mobile (d188789)
• card-sorting: redesign setup screen with modern UI (73cf967)
• card-sorting: scale correctly positioned cards to 50% (222dc55)
• card-sorting: shrink/fade cards in correct suffix as well (8f6feec)
• card-sorting: smooth spring transition from game table to results grid (c5f39d5)
• card-sorting: wrap prefix/suffix cards to multiple rows (e3184dd)
• complement-race: add ghost trains for multiplayer visibility (7668cc9)
• complement-race: add react-spring animations to ghost trains for smooth movement (eb3700a)
• complement-race: implement per-car adaptive opacity for ghost trains (9b1d47d)
• complement-race: implement position broadcasting for ghost trains (c5fba5b)
• create-room: replace hardcoded game grid with dynamic Radix Select dropdown (83d0ba2)
• flashcards: add dynamic shadow based on drag speed (92148a4)
• flashcards: add grab point physics for realistic rotation (bf37eb1)
• flashcards: enable unbounded drag and position persistence (ad1ad69)
• hero: persist random subtitle per-session (318f946)
• homepage: add full-page hero abacus with scroll-based nav transition (d8ec642)
• homepage: add interactive draggable flashcards with physics (0744883)
• homepage: add interactive draggable flashcards with physics (e711c52)
• homepage: add interactive learning panels with animated mini-tutorials (76d6f19)
• homepage: add interactive levels slider to replace static progression (8a2d5ae)
• homepage: create fancy flashcard display with spread-out cards (cd30944)
• homepage: emphasize single-player and observer modes (a537bc1)
• homepage: increase hero abacus size for better visibility (7666b0a)
• homepage: make skills section responsive with emojis (9ec0a71)
• homepage: significantly increase mobile hero abacus size (424f41d)
• homepage: update section title to "The Arcade" (f47b172)
• i18n: add dynamic locale switching without page reload (fe9bfea)
• i18n: add global language selector to navigation (0506360)
• i18n: add homepage translations for all supported languages (8c9d35a)
• i18n: add Old High German (goh) language support (b334a15)
• i18n: complete Old High German translations for all locales (0b06a1c)
• i18n: internationalize games page and tutorial content (4253964)
• i18n: internationalize homepage with English translations (40cff14)
• i18n: migrate from react-i18next to next-intl (9016b76)
• internationalize guide page with 6 languages (e9c320b)
• internationalize tutorial player (26d41cf)
• levels: add animated calculation effect to abacus display (4f4c735)
• levels: add auto-advance slider with hover pause (41eaed2)
• levels: add hover tracking to slider for real-time level preview (477a0b3)
• levels: add kyu level details display with English translations (c650ffa)
• levels: add structured kyu exam details with card UI (6501b07)
• levels: make emoji tick marks clickable and remove redundant UI (07c783a)
• levels: progressive animation speed for Dan levels (9dff3e7)
• levels: redesign kyu details with larger operators and prominent digits (6739d59)
• levels: right-align abacus display (8681b17)
• nav: add transparent nav bar with borders when hero visible (463841e)
• navbar: add glassmorphism effect to nav links when scrolled (89b9072)
• optimize card sorting for mobile displays (b443ee9)
• Redesign Rithmomachia setup page with dramatic medieval theme (6ae4d13)
• rithmomachia: add 80% opacity to guide modal when not hovered (4a78485)
• rithmomachia: add CaptureContext for capture dialog state management (d7eb957)
• rithmomachia: add ghost panel preview for guide docking (c0d6526)
• rithmomachia: add guide docking with resizable panels (f457f1a)
• rithmomachia: add helper piece selection for mathematical captures (cae3359)
• rithmomachia: add helpful error messages for failed captures (b172440)
• rithmomachia: add initial board visual to guide Overview section (d42bcff)
• rithmomachia: Add interactive playing guide modal (3121d82)
• rithmomachia: add number bond visualization and helper placeholders (82d8913)
• rithmomachia: add ratio capture example to guide (9150b0c)
• rithmomachia: add standalone guide page route (3fcc79f)
• rithmomachia: add useBoardLayout hook for centralized layout calculations (27f1c98)
• rithmomachia: add usePieceSelection hook for selection state management (275f401)
• rithmomachia: add visual board examples to Capture section (74bc3c0)
• rithmomachia: add visual board examples to Harmony section (1d5f01c)
• rithmomachia: add visual winning example to Victory section (b7fac78)
• rithmomachia: auto-size tab labels with react-textfit (9fd5406)
• rithmomachia: cycle through valid helpers with dynamic number tooltips (4829e41)
• rithmomachia: enhance capture relation UI with smooth animations (0a30801)
• rithmomachia: enhance Harmony section with comprehensive content (f555856)
• rithmomachia: enhance Pieces section with visual examples and pyramid details (55aff82)
• rithmomachia: enhance Pyramid section with comprehensive details (9fde1ef)
• rithmomachia: guide defaults to docked right on open (11f674d)
• rithmomachia: improve guide pieces section layout (a270bfc)
• rithmomachia: improve guide UX and add persistence (b314740)
• rithmomachia: improve roster status notice UX (e27df45)
• rithmomachia: integrate roster warning into game nav (8a11594)
• rithmomachia: make guide modal ultra-responsive down to 150px width (0474197)
• rithmomachia: recreate original guide modal header layout (2489695)
• rithmomachia: show capture error on hover instead of click (339b678)
• rithmomachia: show pyramid face numbers on hover instead of selection (b0c4523)
• rithmomachia: show pyramid face numbers when selected (5c186f3)
• rithmomachia: show pyramid face numbers when selected with subtle animation (5c2ddbe)
• rithmomachia: show real preview layout when dragging guide to dock (17d2460)
• rithmomachia: simplify guide language for clarity (85cb630)
• rithmomachia: skip helper selection UI and auto-select first valid helper (be2a00e)
• rithmomachia: Update harmony system to classical three-piece proportions (08c9762)
• rithmomachia: Update to traditional board setup with 25 pieces per side (0769eaa)
• rithmomachia: use actual piece SVGs in number bond with 2.5s rotation animation (976a7de)
• room-share: add QR code button for easy mobile joining (349290a)
• show rithmomachia turn in nav (7c89bfe)

Performance Improvements

• levels: speed up slider animations for more responsive feel (1e5467f)
• optimize Docker image size to reduce build failures (9ca3106)

Reverts

• card-sorting: remove auto-positioning and locked card features (23725ca)
• navbar: remove bottom fade gradient (6e5aec8)

2.1.0 (2025-10-20)

Bug Fixes

• levels: add fixed height to entire level display pane (200b26c)
• levels: increase container height to prevent abacus clipping (cd5c15a)
• levels: only animate abacus, not container with background/border (c80477d)
• levels: reduce Dan scale and container height to prevent clipping (563136f)
• levels: reduce max scale factor to allow more compact container (ead9ee9)
• levels: reduce scale factor variation to minimize margin differences (abb647c)
• levels: revert delayed column change, keep overflow hidden (22f00f5)
• levels: stabilize slider position and prevent abacus clipping (09004dc)

Features

• abacus-react: export StandaloneBead component wired to AbacusDisplayContext (0146ce1)
• levels: add hover interaction and smooth React Spring transitions (fd2b633)
• levels: redesign slider with abacus-themed beads (f3dce84)
• levels: replace slider thumb with diamond-shaped abacus beads (0fbde53)

2.0.0 (2025-10-20)

Bug Fixes

• add dark color for abacus numerals (73ff32c), closes #1f2937
• add POST handler for join requests API endpoint (d3e5cdf)
• add Typst to Docker image for flashcard generation (d9a7694)
• allow join with pending invitation for restricted rooms (85b2cf9)
• allow password retry when joining via share link (e469363)
• api: add 'math-sprint' to settings endpoint validation (d790e5e), closes #1
• api: include members and memberPlayers in room creation response (8320d9e)
• arcade-rooms: navigate to invite link after room creation (1922b21)
• arcade: add defensive checks and update test fixtures (a93d981)
• arcade: add host-only game selection with clear messaging (22df1b0)
• arcade: add host-only game selection with clear messaging (c0680ca)
• arcade: add Number Guesser to game config helpers (7d1a351)
• arcade: allow room creator to rejoin restricted/approval rooms (654ba19)
• arcade: delete old session when room game changes (98a3a25)
• arcade: implement settings persistence for matching game (08fe432)
• arcade: only notify room creator of join requests (bc571e3)
• arcade: preserve game settings when returning to game selection (0ee7739)
• arcade: preserve gameConfig when switching games (2273c71)
• arcade: prevent empty update in settings API when only gameConfig changes (ffb626f)
• arcade: prevent gameConfig from being overwritten when switching games (a89d3a9)
• arcade: prevent server-side loading of React components (784793b)
• arcade: read nested gameConfig correctly when creating sessions (94ef392)
• arcade: remove broken query param from game URLs (87631af)
• arcade: remove legacy master-organizer placeholder (76d207e)
• arcade: resolve TypeScript errors in game config helpers (04c9944)
• build: resolve Docker build failures preventing deployment (7801dbb)
• card-sorting: center AbacusReact SVGs in card tiles (26edec1)
• card-sorting: faithfully port UI/UX from Python original (c92076f), closes #2c5f76 #1976d2
• card-sorting: increase card tile sizes to contain abacuses (d2a3b7a)
• card-sorting: increase SVG size to fill card containers (cf9d893)
• card-sorting: match game selector background to other games (db62519), closes #ccfbf1 #99f6e4
• card-sorting: match Python card layout with flex wrap (9679d68)
• card-sorting: position slots flow horizontally with wrap (e14ffe4)
• card-sorting: use blue gradient matching other game cards (bdb84f5)
• clear hover state in CLEAR_MISMATCH for clean turn transitions (43f7c92)
• clear hover state on turn changes and game transitions (6fd425c)
• complement-race: add missing AI commentary cooldown updates (357aa30)
• complement-race: add missing useEffect import (3054130)
• complement-race: add missing useRef import (d43829a)
• complement-race: add pressure decay system and improve logging (66992e8)
• complement-race: balance AI speeds to match original implementation (054f0c0)
• complement-race: clear input state on question transitions (5872030)
• complement-race: correct passenger boarding to use multiplayer fields (7ed1b94)
• complement-race: counter-flip AI speech bubbles to make text readable (07d5607)
• complement-race: flip AI racers to face right in practice mode (ebfff1a)
• complement-race: flip player avatar to face right in practice mode (fa6b3b6)
• complement-race: implement client-side momentum with continuous decay for smooth train movement (ea19ff9)
• complement-race: improve AI speech bubble positioning (6e436db)
• complement-race: reduce initial momentum from 50 to 10 to prevent train sailing past first station (5f146b0)
• complement-race: remove dual game loop conflict preventing route progression (84d42e2)
• complement-race: resolve TypeScript errors in state adapter (59abcca)
• complement-race: restore smooth train movement with client-side game loop (46a80cb)
• complement-race: show new passengers when route changes (ec1c8ed)
• complement-race: track physical car indices to prevent boarding issues (53bbae8)
• complement-race: track previous position to detect route threshold crossing (a6c20aa)
• complement-race: train now moves in sprint mode (54b46e7)
• complement-race: update passenger display when state changes (5116364)
• complement-race: use active local players pattern from navbar (71cdc34)
• complement-race: use local player emoji instead of first active player (76eb051)
• correct AbacusReact API usage and add structural styling (247377f), closes #fbbf24 #a78
• create arcade sessions on room join to enable config changes (c29501f)
• db: add 'math-sprint' to database schema enums (7b112a9), closes #1
• deployment: pass git info to Docker build for deployment info modal (4b04e43)
• docker: add packages/templates for Typst flashcard generation (1417722)
• docker: add qpdf for PDF linearization and validation (c92ff39)
• docker: bypass PEP 668 externally-managed-environment error (bb59c61)
• docker: copy core package with Python scripts to production image (33e9ad2)
• docker: include Panda CSS styled-system in production image (57fabff)
• docker: install py3-pip for Python dependency installation (0f55909)
• docker: install Python dependencies for flashcard generation (c9b7e92)
• docker: remove reference to deleted @soroban/client package (2953ef8)
• exclude dist from TypeScript compilation and add missing type import (b7f1d5a)
• hide hover avatar for current user's own player (dba42b5)
• homepage: adjust mini abacus container height (c4066d6)
• homepage: correct positioning of progression arrows in Your Journey section (3fff9ef)
• homepage: fix MiniAbacus runtime error and improve sizing (1fa0df8)
• homepage: improve text contrast in Your Journey section (24d1200)
• homepage: use correct AbacusReact API and fix clipping/styling issues (1432afd)
• homepage: use direct conditionals for mini abacus padding (38ef16a)
• homepage: use explicit RGBA colors for Your Journey text (9c51cc9)
• homepage: use inline styles for journey level colors (5d85e89), closes #4ade80 #60a5 #a78 #fbbf24
• homepage: use inline styles for Your Journey text contrast (8e51390), closes #e5e7 #e5e7 #9ca3 #d1d5
• home: use Panda CSS token() for dynamic colors and center arrows properly (d52ba63)
• improve authorization error handling and add missing decline invitation endpoint (97669ad)
• improve join request approval error handling with actionable messages (57bf846)
• improve kicked modal message for retired room ejections (f865ce1)
• join user socket channel to receive approval notifications (7d08fdd)
• levels: use correct AbacusReact API with direct props (892b377)
• levels: use correct dark mode styling from homepage + docs update (c38767f)
• matching: add settings persistence to matching game (00dcb87)
• matching: apply turn indicators to arcade version too (e6f96a8)
• matching: make MemoryGrid generic to support different card types (dcda826)
• matching: only apply turn indicator when game is active (cb4c061)
• matching: replace mismatch banner with card shake animation (804096f)
• matching: use UUID instead of numeric index for scores (5036cb0)
• math-sprint: remove unused import and autoFocus attribute (51593eb)
• memory-quiz: fix playMode persistence by updating validator (de0efd5)
• memory-quiz: persist playMode setting across game switches (487ca7f)
• memory-quiz: prevent duplicate card processing from optimistic updates (51676fc)
• memory-quiz: prevent input lag during rapid typing in room mode (b45139b)
• memory-quiz: scope game settings by game name for proper persistence (3dfe54f)
• memory-quiz: synchronize card display across all players in multiplayer (472f201)
• migrations: add migration 0009 for display_password column (040d749)
• moderation: don't show pending invitation for users already in room (fae5920)
• moderation: improve access mode settings UX (dd9e657)
• move invitations into nav and filter out current/banned rooms (cfaf82b)
• nav: add delay to hamburger menu hover to prevent premature closing (95cd72e)
• nav: add z-index to turn labels to prevent avatar overlap (7c294da)
• nav: close hamburger menu when nested dropdown closes and mouse not hovering (7d65212)
• nav: enable tooltips for local players during gameplay (5499700)
• nav: improve readability of turn label text (bbd1da0)
• nav: improve text contrast in room info pane (3e691cb)
• nav: navigate to /arcade/room (not /arcade/rooms/{id}) (1c55f36)
• nav: navigate to room after creation from (+) menu (21e6e33)
• nav: prevent hamburger menu from closing when toggling Style dropdown (a898fbc)
• nav: prevent style dropdown from closing hamburger menu (560a052)
• nav: prevent turn label text from being obscured (c4b00dd)
• nav: properly prevent nested style dropdown from closing hamburger menu (c5b6a82)
• nav: remove animation/enlargement from network player turn indicator (53079ed)
• nav: remove blue gradient background from network players (2881aff)
• nav: remove opacity reduction from local players (5215af8)
• nav: remove play arrow badge from turn indicators (80cfc10)
• nav: update types for registry games with nullable gameName (a51e539)
• number-guesser: add turn indicators, error feedback, and fix player ordering (9f62623)
• pixel-perfect alignment across all nav elements (fa78a2c)
• player-config: correct label positioning in player settings dialog (554cc40)
• populate session activePlayers from room members on join (2d00939)
• prevent duplicate arcade sessions per room (4cc3de5)
• remove duplicate ModerationNotifications causing double toasts (c6886a0)
• replace isLocked with accessMode and add bcryptjs (a74b96b)
• replace last remaining isLoading with isPending in CreateRoomModal (85d13cc)
• replace native alerts with inline confirmations in ModerationPanel (ebe123e)
• reset join request toast state when moderation event cleared (6beb58a)
• resolve Memory Quiz room-based multiplayer validation issues (2ffeade)
• resolve TypeScript errors in MemoryGrid and StandardGameLayout (cabbc82)
• room-data: update query cache when gameConfig changes (7cea297)
• rooms: add real-time ownership transfer updates via WebSocket (c00cfa3)
• room: update GAME_TYPE_TO_NAME mapping for memory-quiz (4afa171)
• set color on abacus container div for numeral visibility (cd47960), closes #1f2937
• show initial value and improve numeral contrast (1b57f6d), closes #fbbf24
• simplify abacus pane with light background (30f48ab)
• socket-io: update import path for socket-server module (1a64dec)
• stack game title dropdown ABOVE room pane, not inside it (7bc815f)
• toast: scope animations to prevent affecting other UI elements (245ed8a)
• tutorial: correct column index calculation for variable column counts (bf1ced4)
• tutorial: filter bead highlights when using fewer columns (4d906ec)
• tutorial: reduce tooltip z-index to scroll under nav bar (47640f3)
• tutorial: resolve React hydration error in TutorialPlayer (c883d9e)
• tutorial: resolve TypeScript errors in TutorialPlayer (88f57ce)
• tutorial: use correct customStyles API for dark mode frame styling (fdc882c)
• update locked room terminology and allow existing members (1ddf985)
• use app-wide abacus config and remove instruction text (0a50c73)
• use color instead of fill for numeral styling (ea10c16)
• use defaultValue for interactive abacus control (06aca98)
• use useCreateRoom hook instead of nonexistent createRoom from useRoomData (f7d63b3)

Code Refactoring

• db: remove database schema coupling for game names (e135d92), closes #1

Features

• abacus-react: add BigInt support for 30-digit Dan level abacuses (0ab4cc2)
• add API routes for moderation and invitations (79a8518)
• add backend library functions for room moderation (84f3c4b)
• add common UI components (cd3115a)
• add database schema for room moderation and invitations (97d1604)
• add drizzle migration for room_game_configs table (3bae00b)
• add fun automatic player naming system (249257c)
• add invitation system UI components (fd3a2d1)
• add moderation panel with unban & invite feature (a2d0169)
• add name generator button and abacus emoji (07212e4)
• add player count to stacked room info (540f6b7)
• add prominent join request approval notifications for room moderators (036da6d)
• add real-time socket updates for moderation events (86ceba3)
• add room access modes and ownership transfer (6ff21c4)
• add room creation and join flow UI (7f95032)
• add socket listener and polling for approval notifications (35b4a72)
• add waiting state for approval requests in JoinRoomModal (f9b0429)
• adjust tier probabilities for more abacus flavor (49219e3)
• arcade: add Card Sorting Challenge game scaffolding (df37260)
• arcade: add Change Game functionality for room hosts (ee39241)
• arcade: add game selection screen with navigation to room page (4124f1c)
• arcade: add Math Sprint game implementation (e5be09e)
• arcade: add modular game SDK and registry system (de30bec)
• arcade: add Number Guesser demo game with plugin architecture (0e3c058)
• arcade: broadcast game selection changes to all room members (b99e754)
• arcade: migrate matching pairs - phases 1-4 and 7 complete (2a3af97)
• arcade: migrate memory-quiz to modular game system (f48c37a)
• arcade: register Math Sprint in game system (0c05a7c), closes #2 #3
• card-sorting: add spectator mode UX enhancements (4ab093a)
• card-sorting: add UI components and fix AbacusReact props (d249ec0)
• card-sorting: implement Provider with arcade session integration (7f6fea9)
• complement-race: add infinite win condition for Steam Sprint mode (d8fdfee)
• complement-race: add mini app navigation bar (ed0ef2d)
• complement-race: enable adaptive AI difficulty in arcade (55010d2)
• complement-race: implement state adapter for multiplayer support (13882bd)
• complement-race: restore AI opponents in practice and survival modes (325e07d)
• homepage: add animated mini abacus to "Read and set numbers" card (e028e34)
• homepage: add more visual embellishments to learning cards (4ec1b95)
• homepage: enhance "What You'll Learn" with visual cards (d142342)
• home: redesign home page to showcase complete platform (ee6c4f2)
• implement approval request flow for share links (4a6b3ca)
• implement avatar-themed name generation with probabilistic mixing (76a8472)
• implement proper retired room behavior with member expulsion (a2d5368)
• improve arcade nav player grouping and add room join code display (8e9980d)
• improve room creation UX and add password support for share links (dcbb507)
• integrate moderation system into arcade pages (087652f)
• levels: add Dan levels ladder visualization (c18012c)
• levels: add dark mode styling and responsive scaling to abacus (92e1e62)
• levels: add informational footer section (0b1bff7)
• levels: add Kyu & Dan levels page with homepage link (39b1e7d)
• levels: add kyu level data and cards (6463a3b)
• levels: create true horizontal slider with abacus visualizations (6d734f1)
• levels: implement interactive slider for exploring kyu & dan ranks (eb3b100)
• levels: replace kyu grid with interactive slider and abacus visualizations (10978e8)
• make home page abacus interactive with audio (9a53d7e)
• matching: use nav avatars as turn indicators (7263828)
• math-sprint: add game manifest (1eefcc8)
• memory-quiz: add multiplayer support with redesigned scoreboards (1cf4469)
• memory-quiz: persist game settings per-game across sessions (05a8e0a)
• memory-quiz: show player emojis on cards to indicate who found them (05bd11a)
• moderation: add inline feedback and persistent password display (86e3d41)
• moderation: improve password input with copy button (2580e47)
• nav: add prominent turn indicator arrow badge (f574558)
• nav: add pulsing indicator for offline network players (64fb30e)
• nav: add turn indicators to network players (623314b)
• nav: add turn label text under current player avatars (52a66d5)
• nav: center game context with hamburger menu for utilities (a35a7d5)
• nav: combine room info and network players in single pane (d5473ab)
• nav: unify room dropdown with join code and game menu (f7b83f8)
• prevent invitations to retired rooms (a7c3c1f)
• redesign home page with component showcase (29af265)
• redesign homepage with educational vision and interactive demo (2f09cb5)
• redesign room info as compact inline badge with click-to-copy (6b3a440)
• replace access mode dropdown with visual button grid (e5d0672)
• tutorial: add dark mode styling for coaching bar and abacus frame (7e2f580)
• tutorial: add dark theme and column control props (d42f9b2)
• tutorial: add fill color support for dark mode column posts and reckoning bar (2eb3ff3)
• tutorial: add hideNavigation prop to TutorialPlayer (79ea52a)
• tutorial: add hideTooltip prop and improve dark mode coaching bar (1ee25b3)
• tutorial: add silentErrors prop to suppress error messages (8835e1c)

Reverts

• nav: restore original room creation/join behavior (710e93c)

BREAKING CHANGES

• db: Database schemas now accept any string for game names
• Added DELETE /api/arcade/rooms/:roomId/invite endpoint for declining invitations

Authorization Error Handling:

• ModerationPanel: Parse and display API error messages (kick, ban, unban, invite, data loading)
• PendingInvitations: Parse and display API error messages (decline, fetch)
• All moderation actions now show specific auth errors like "Only the host can kick users"

New Endpoint:

• DELETE /api/arcade/rooms/:roomId/invite: Allow users to decline their pending invitations
  • Validates invitation exists and is pending
  • Only invited user can decline their own invitation
  • Returns proper error messages for auth failures

Bug Fix:

• Fixed invitations/pending/route.ts ban check query (removed reference to non-existent unbannedAt field)
• Ban records are deleted when unbanned, so any existing ban is active

🤖 Generated with Claude Code

Co-Authored-By: Claude noreply@anthropic.com

1.8.0 (2025-10-10)

Bug Fixes

• add @types/minimatch to abacus-react devDependencies (fa45475)
• add CLEAR_MISMATCH move to allow mismatch feedback to auto-dismiss (158f527)
• add hasAttemptedFetch flag to prevent premature redirect (c30f585)
• add missing DOMPoint properties to getPointAtLength mock (1e17278)
• add missing name property to Passenger test mocks (f8ca248)
• add non-null assertions to skillConfiguration utilities (9c71092)
• add npmrc for hoisting and fix template paths (5c65ac5)
• add optional chaining to stepBeadHighlights access (a5fac5c)
• add Python setuptools and build tools for better-sqlite3 compilation (a216a3d)
• add showAsAbacus property to ComplementQuestion type (4adcc09)
• add userId to optimistic player in useCreatePlayer (5310463)
• allow navigation to game setup pages without active session (c7ad3c0)
• always show game control buttons in room-based sessions (14ba422)
• auto-cleanup orphaned arcade sessions without valid rooms (3c002ab)
• broadcast member join/leave events immediately via API (ebfc88c)
• change TypeScript moduleResolution from bundler to node (327aee0)
• compile TypeScript server files to JavaScript for production (83b9a4d)
• complement-race: prevent passengers being left behind at delivery stations (e6ebecb)
• convert guestId to internal userId for player ownership check (3a01f46)
• convert Jest mocks to Vitest in useSteamJourney tests (e067271)
• convert LocalMemoryPairsProvider to pure client-side with useReducer (b128db1)
• convert player IDs from number to string in arcade tests (72db1f4)
• correct avatar positioning to prevent fly-in animation (573d0df)
• correct Docker CMD to use root-level server.js (48b47e9)
• correct hover avatar and turn indicator to show only current player (0596ef6)
• correct node_modules path for pnpm symlinks in Docker (c12351f)
• correct playerMetadata userId assignment for room-based multiplayer (53797db)
• correct static files and public path in Docker image (c287b19)
• correct TypeScript build configuration to prevent .js pollution in src/ (2b7ff23)
• correctly access getSocketIO from dynamic import (30abf33)
• disable turn validation in arcade mode matching game (7c0e6b1)
• enable real-time player name updates across room members (5171be3)
• enable shamefully-hoist for semantic-release dependencies (6168c29)
• enable smooth spring animations between card hovers (8d53b58)
• enforce player ownership authorization for multiplayer games (71b0aac)
• enforce playerId must be explicitly provided in arcade moves (d5a8a2a)
• export MemoryPairsContext to fix provider hook error (80ad33e)
• ignore all node_modules in Docker (4792dde)
• ignore nested node_modules in Docker (f554592)
• implement shared session architecture for room-based multiplayer (2856f4b)
• include all players from room members in room games (28a2e7d)
• lazy-load database connection to prevent build-time access (af8d993)
• make leave room button actually remove user from room (49f12f8)
• make results screen compact to fit viewport without scrolling (9d4cba0)
• move auth.ts to src/ to match @/ path alias (7829d8a)
• pass player IDs (not user IDs) in all arcade game moves (d00abd2)
• preserve workspace node_modules in Docker for hoisted mode (4f8aaf0)
• prevent avatar fly-in and hide local player's own hover (7f65a67)
• prevent database imports from being bundled into client code (bda5bc6)
• prevent duplicate display of network avatars in nav (d474ef0)
• prevent redirect loops by checking if already at target URL (c5268b7)
• real-time room member updates via globalThis socket.io sharing (94a1d9b)
• regenerate lockfile with correct dependency order (51bf448)
• regenerate lockfile with node-linker=hoisted from scratch (480960c)
• regenerate pnpm lockfile for pnpm 9 compatibility (4ab1aef)
• remove .npmrc from Dockerfile COPY (e71c2b4)
• remove .npmrc in Docker to avoid hoisted mode issues (2a77d75)
• remove ArcadeGuardedPage from room page to prevent redirect loop (4686f59)
• remove build artifacts from source control (29f5adc)
• remove duplicate PlayerStatusBar story file from arcade (4e721f7)
• remove redirect loop by not redirecting from room page (10cf715)
• remove remaining typst-dependent files (d1b9b72)
• remove rootDir from tsconfig.server.json (431e4a6)
• remove standalone output mode incompatible with custom server (c8da5a8)
• require activePlayers in START_GAME, never fallback to userId (ea1b1a2)
• resolve race condition in /arcade/room redirect (5ed2ab2)
• resolve socket-server import path for Next.js build (12c3c37)
• respect enabled flag in useArcadeGuard WebSocket redirects (01ff114)
• revert to default pnpm mode for Docker compatibility (bd0092e)
• revert to showing only active players in room games (87cc0b6)
• rewrite layout.nav.test to match actual RootLayout props (a085de8)
• send all members (not just online) in socket broadcasts (3fa6cce)
• set room sessions to use /arcade/room URL (9dac431)
• show "Return to Arcade" button only during active game (4153929)
• show correct join/leave button based on room membership (5751dfe)
• update Dockerfile for non-standalone production builds (14746c5)
• update Dockerfile pnpm version and fix TypeScript config (43077a8)
• update Dockerfile to copy dist/ instead of socket-server.js and src/ (e56517b)
• update lockfile and fix Makefile paths (7ba746b)
• update matching game for UUID player system (2e041dd)
• update race track components for new player system (ae4e8fc)
• update useArcadeGuard tests with proper useViewerId mock (4eb49d1)
• upgrade CI dependencies and fix deprecated actions (6a51c1e)
• use .npmrc in Docker for hoisted mode consistency (2df8cdc)
• use game state playerMetadata instead of GameModeContext in UI components (388c254)
• use node-linker=hoisted for full dependency hoisting (d3b2e0b)
• use Object.defineProperty for NODE_ENV in middleware tests (e73191a)
• use only local user's players in LocalMemoryPairsProvider (c26138f)
• use player IDs instead of array indices in matching game (ccd0d6d)
• use RoomMemoryPairsProvider in room page (c279731)
• use UUID player IDs in session creation fallback (22541df)
• wrap Buffer in Uint8Array for Next.js Response API (98384d2)

Features

• add API routes for players and user stats (6f940e2)
• add arcade matching game components and utilities (ff16303)
• add arcade room system database schema and managers (Phase 1) (a9175a0)
• add arcade room/session info and network players to nav (6800747)
• add Biome + ESLint linting setup (fc1838f)
• add build info API endpoint (571664e)
• add build info generation script (416dc89)
• add centralized player ownership utilities (1019a48)
• add deployment info modal with keyboard shortcut (43be7ac)
• add exitSession to MemoryPairsContextValue interface (abc2ea5)
• add GameControlButtons component with unit tests (1f45c17)
• add guest session system with JWT tokens (10d8aaf)
• add networked hover state infrastructure for multiplayer presence (d149799)
• add optimistic updates and remove dead code (b62cf26)
• add pause/resume game state architecture (05eacac)
• add player types and migration utilities (79f44b2)
• add React Query setup with api helper (a3878a8)
• add real-time WebSocket updates for room membership (7ebb2be)
• add Resume button and config change warning to setup UI (b5ee04f)
• add security tests and userId injection protection (aa1ad31)
• add server-side validation for player modifications during active arcade sessions (3b3cad4)
• add Setup button to exit arcade sessions (ae1318e)
• display room info and network players in mini app nav (5e3261f)
• dynamic player card rendering on games page (81d17f2)
• emit session-state after creating arcade session (70d6f43)
• extend GameModeContext to support room-based multiplayer (ee6094d)
• fade out hover avatar when player stops hovering (820eeb4)
• hide hover avatar when card is flipped to reveal value (a2aada2)
• implement auto-save for player settings modal (a83dc09)
• implement game control callbacks in MemoryPairsGame (4758ad2)
• implement modal room enforcement (one room per user) (f005fbb)
• implement networked hover presence for multiplayer gameplay (62f3730)
• implement pause/resume in game providers with optimistic updates (ce30fca)
• implement rich Radix UI tooltips for player avatars (d03c789)
• implement room-wide multi-user game state synchronization (8175c43)
• implement smooth hover avatar animations with react-spring (442c6b4)
• improve hover avatars with smooth animation and 3D elevation (71b11f4)
• improve room navigation and membership UI (bc219c2)
• integrate GameControlButtons into navigation (fbd8cd4)
• migrate abacus display settings to database (92ef136)
• migrate contexts to React Query (remove localStorage) (fe01a1f)
• migrate contexts to UUID-based player system (2b94cad)
• refactor room addressing to /arcade/room (e7d2a73)
• remove typst dependencies (eedce28)
• remove typst-related code and routes (be6fb1a)
• set up Drizzle ORM with SQLite database (5d5afd4)
• update nav components for UUID players (e85d041)

1.7.0 (2025-10-01)

Bug Fixes

• abacus-react: apply global columnPosts styling and fix reckoning bar width (bb9959f)
• complement-race: improve abacus display in equations (491b299)

Features

• complement-race: add abacus displays to pressure gauge (c5ebc63)

1.6.0 (2025-10-01)

Bug Fixes

• align all bottom UI elements to same 20px baseline (076c97a)
• align bottom-positioned UI elements (227cfab)
• change pressure gauge to fixed positioning to stay above terrain (1b11031)
• change question display to fixed positioning with higher z-index (4ac8758)
• correct emoji category group IDs to match Unicode CLDR (b2a21b7)
• defer URL update until game starts (12c54b2)
• delay passenger display update until train resets (e06a750)
• eliminate rail jaggies on sharp curves by increasing sampling density (46d4af2)
• ensure passengers only travel forward on train route (8ad3144)
• increase question display zIndex to stay above terrain (8c8b8e0)
• move fontWeight to style object for station names (05a3ddb)
• only show configuration gear icon for players 1 and 2 (d0a3bc7)
• passengers now board/disembark based on their car position, not locomotive (96782b0)
• position tunnels at absolute viewBox edges (1a5fa28)
• prevent layout shift when selecting Steam Sprint mode (73a5974)
• prevent multiple passengers from boarding same car in single frame (63b0b55)
• prevent premature passenger display during route transitions (fe9ea67)
• prevent random passenger repopulation during route transitions (db56ce8)
• prevent route celebration from immediately reappearing (1a80934)
• reduce landmark size from 4.0x to 2.0x multiplier (c928e90)
• remove double PageWithNav wrapper on matching page (b58bcd9)
• remove duplicate CAR_SPACING and MAX_CARS declarations (e704a28)
• remove duplicate previousPassengersRef declaration (fad8636)
• remove hard-coded car count from game loop (6c90a68)
• remove unnecessary zIndex from question display (db52e14)
• reset momentum and pressure when starting new route (3ea88d7)
• smooth rail curves and deterministic track generation (4f79c08)
• stabilize route completion threshold to prevent stuck trains (b7233f9)
• use displayPassengers for station rendering in RailroadTrackPath (a9e0d19)
• use style fontSize instead of attribute for landmarks (ebc6894)
• wrap animated pressure value in animated.span to prevent React error (5c5954b)

Features

• add category browsing and scrolling to emoji picker (616a50e)
• add complement display options and unify equation display (2ed7b2c)
• add Complement Race game with three unique game modes (582bce4)
• add configuration access to active player emojis in prominent nav (6049a7f)
• add configuration access to fullscreen player selection (b85968b)
• add CSS animations and visual feedback system (80e33e2)
• add direct URL routes for each game mode (a08f053)
• add initialStyle prop to ComplementRaceProvider (f3bc2f6)
• add interactive remove buttons for players in mini nav (fa1cf96)
• add magnifying glass preview on emoji hover (2c88b6b)
• add mini app nav to arcade page (a854fe3)
• add passenger boarding system with station-based pickup (23a9016)
• add prominent game context display to mini nav with smooth transitions (8792393)
• add realistic mountains with peaks and ground terrain (99cdfa8)
• add smooth spring animations to pressure gauge (863a2e1)
• add train car system with smooth boarding/disembarking animations (1613912)
• add Web Audio API sound effects system with 16 sound types (90ba866)
• create mode selection landing page for Complement Race (1ff9695)
• create PlayerConfigDialog component for player customization (4f2a661)
• display passengers visually on train and at stations (1599904)
• dynamically calculate train cars based on max concurrent passengers (9ea1553)
• enable prominent nav and fix layout on arcade page (5c8c18c)
• enhance emoji picker with super powered magnifying glass and hide empty categories (d8b4e42)
• enhance passenger card UI with boarding status indicators (4bbdabc)
• extend ground terrain to cover entire track area (ee48417)
• extend player customization to support all 4 players (72f8dee)
• extend railroad track to viewport edges (eadd7da)
• extend track and tunnels to absolute viewport edges (f7419bc)
• implement smooth train exit with fade-out through right tunnel (0176694)
• improve game availability logic and messaging (9a3fa93)
• increase landmark emoji size for better visibility (0bcd7a3)
• integrate remaining game sound effects (600bc35)
• integrate sound effects into game flow (countdown, answers, performance) (8c3a855)
• make Steam Sprint infinite mode (32c3a35)
• make SVG span full viewport width for sprint mode (7488bb3)
• preserve track and passengers during route transitions (f2e7165)
• redesign passenger cards with vintage train station aesthetic (651bc21)
• skip countdown for train mode (sprint) (65dafc9)
• skip intro screen and start directly at game setup (4b6888a)
• sync URL with selected game mode (3920bba)
• UI polish for Sprint mode (viewport, backgrounds, data attributes) (90ad789)
• use CSS transitions for smooth fullscreen player selection collapse (3189832)
• wire player configuration through nav component hierarchy (edfdd81)

Performance Improvements

• optimize React rendering with memoization and consolidated effects (93cb070)

1.5.1 (2025-09-29)

Bug Fixes

• resolve JSX parsing error with emoji in guide page (bf046c9)
• resolve TypeScript errors in PlayerStatusBar component (a935e5a)
• restore navigation to all pages using PageWithNav (183706d)
• update workflow to support Personal Access Token for GitHub Packages publishing auth (ae4b71b)

1.5.0 (2025-09-29)

Bug Fixes

• remove frozen lockfile flag from publishing workflow to resolve dependency installation issues (18af973)
• resolve mini navigation game name persistence across all routes (3fa314a)
• update pnpm version to 8.15.6 to resolve ERR_INVALID_THIS error in workflow (0b9bfed)
• update tutorial tests to use consolidated AbacusDisplayProvider (899fc69)

Features

• abacus-react: update description to mention GitHub Packages support (af77256)
• add comprehensive E2E testing with Playwright (d58053f)
• add comprehensive Storybook stories for PlayerStatusBar (8973241)
• add consecutive match tracking system for escalating celebrations (111c0ce)
• add PlayerStatusBar with escalating celebration animations (7f8c90a)
• add sound settings support to AbacusReact component (90b9ffa)
• implement cozy sound effects for abacus with variable intensity (c95be1d)
• integrate user profiles with PlayerStatusBar and game results (beff646)

1.4.0 (2025-09-29)

Bug Fixes

• export missing hooks and types from @soroban/abacus-react package (423ba55)
• migrate viewport from metadata to separate viewport export (1fe12c4)

Features

• add middleware for pathname header support in @nav fallback (b7e7c4b)
• implement @nav parallel routes for game name display in mini navigation (885fc72)

1.3.0 (2025-09-29)

Bug Fixes

• ensure game names persist in navigation on page reload (9191b12)
• implement route-based theme detection for page reload persistence (3dcff2f)
• improve navigation chrome background color extraction from gradients (00bfcbc)
• resolve SSR/client hydration mismatch for themed navigation (301e65d)

Features

• complete themed navigation system with game-specific chrome (0a4bf17)
• implement cozy sound effects for abacus with variable intensity (cea5fad)

1.2.0 (2025-09-28)

Bug Fixes

• abacus-react: add debugging and explicit authentication for npm publish (b82e9bb)
• abacus-react: add packages: write permission for GitHub Packages publishing (8e16487)
• add missing GameThemeContext file for themed navigation (d4fbdd1)

Features

• implement game theming system with context-based navigation chrome (3fa11c4)

1.1.3 (2025-09-28)

Bug Fixes

• abacus-react: force npm to use GitHub Packages registry (5e6c901)

1.1.2 (2025-09-28)

Bug Fixes

• abacus-react: improve workspace dependency cleanup and add validation (11fd6f9)

1.1.1 (2025-09-28)

Bug Fixes

• abacus-react: resolve workspace dependencies before npm publish (834b062)

1.1.0 (2025-09-28)

Bug Fixes

• abacus-react: improve publishing workflow with better version sync (7a4ecd2)
• add testing mode for on-screen keyboard and fix toggle functionality (904074c)
• redesign matching game setup page for StandardGameLayout (cc1f27f)
• update memory pairs game to use StandardGameLayout (8df76c0)
• update memory quiz to use StandardGameLayout (3f86163)

Features

• create StandardGameLayout for perfect viewport sizing (728a920)
• implement innovative dynamic two-panel layout for on-screen keyboard (4bb8f6d)
• implement simple fixed bottom keyboard bar (9ef72d7)

1.0.0 (2025-09-28)

Bug Fixes

• abacus-react: simplify semantic-release config to resolve dependency issues (88cab38)
• abacus-react: temporarily allow test failures during setup phase (e3db7f4)
• add cssgen step to generate styles.css for Storybook (26077de)
• add explicit type annotation for examples array in LivePreview (6c49e03)
• add missing color-palette parameter to generate-flashcards function (18583d0)
• add navigation to games from character selection modal (b64fb1c)
• add onConfigurePlayer prop to ChampionArena (6e1050c)
• add optional chaining to prevent TypeScript error (d42dca2)
• add robust fallback system for term highlighting in guidance (decd8a3)
• add tooltip targeting logic to only show on beads with arrows (4425627)
• add xmlns attributes to SVG examples for GitHub compatibility (c2f33ce)
• adjust tutorial editor page height to account for app navigation (9777bef)
• allow semantic release to proceed despite build failures (73a6904)
• apply CSS scaling to abacus components in memory quiz (599fbfb)
• clean up component interfaces and settings (ce6c2a1)
• convert foreignObject to native SVG text elements (3ccc753)
• correct column indexing and add boundary checks for interactive abacus (bbfb361)
• correct diamond bead column alignment to match Typst positioning (97690d6)
• correct heaven bead positioning to match earth bead gap consistency (0c4eea5)
• correct highlightBeads format in AbacusTest.stories.tsx (7122ad7)
• correct mathematical inconsistency in cascading complement test (56cb69c)
• correct pedagogical algorithm specification and tests (9e87d3a)
• correct segment expression formatting and rule detection (e60f438)
• correct static file paths in Docker for Next.js standalone mode (91223b6)
• correct styled-system import paths in games page (82aa73e)
• correct styled-system import paths in memory quiz page (a967838)
• correct SVG text positioning to match React component alignment (8024d0a)
• correct Tab navigation direction in numeral input system (d4658c6)
• correct TanStack Form state selectors in create page (178f0ff)
• correct term position calculation for complement segments (7189090)
• correct tutorial bead highlighting to use rightmost column (ones place) (b6b1111)
• correct tutorial highlighting placeValue to columnIndex conversion (35257b8)
• correct tutorial step "7 + 4" to highlight all required beads (9c05bee)
• correct workspace configuration and remove non-existent packages (39526eb)
• crop interactive abacus SVG whitespace with simple CSS scaling (bb3d463)
• disable pointer events on direction indicator arrows (944d922)
• disable pointer events on overlay content div (b5db935)
• display actual numbers in SVG examples (3308e22)
• downgrade Docker action versions to available ones (57d1460)
• enable individual term hover events within complement groups (0655968)
• enable multi-bead highlighting in tutorial system (ab99053)
• enhance collision detection to include all active beads (3d9d69c)
• ensure abacus visibility in memory quiz display phase (fea7826)
• ensure celebration tooltip shows when steps complete (5082378)
• ensure consistent r×c grid layout for memory matching game (f1a0633)
• exclude test files from TypeScript build (0e097da)
• expand heaven-earth-gap to 30pt to accommodate equal 19pt gaps for both heaven and earth inactive beads (a048e11)
• extract clean SVG content from component output (f57b071)
• gallery now loads actual Typst-generated SVGs instead of fake placeholders (87eb51d)
• generate Panda CSS styled-system before building in Docker (c7a45e9)
• handle both direct and module execution for web format (a1fd4c8)
• hide celebration tooltip when user moves away from target value (f9e42f6)
• implement bead highlighting by modifying getBeadColor function (7ac5c29), closes #FFD700
• implement consistent single-card preview generation (83da1eb)
• implement focus handling for numeral input in place-value system (415759c)
• implement gap-filling logic for sorting challenge boundary issues (df41f2e)
• implement mathematical SVG bounds calculation for precise viewBox positioning (1b0a642)
• implement prefix-conflict detection for speed memory quiz (01b00b5)
• implement proper bi-directional drag and drop with useDroppable (53fc41c)
• implement proper React controlled input pattern for AbacusReact (c18919e)
• implement proper SVG cropping and fix abacus positioning (793ffd3)
• implement ref-based fullscreen element tracking for proper persistence (7b947f2)
• implement smooth cross-zone drag animations without scaling issues (7219a41)
• improve abacus sizing across all components with CSS transforms (cd6165e)
• improve error handling in ServerSorobanSVG component (ec51105)
• improve game mode selection UX by removing redundancy (9fe7068)
• improve pedagogical correctness and cascade carry handling (85ed254)
• improve pedagogical segment detection and instruction quality (0ac51ae)
• improve race mechanics and fix display issues (511eb2e)
• improve sorting game UI with larger abacus and better slot design (d5e2fda)
• improve visual balance of inactive heaven bead positioning (a789087)
• keep tooltip visible when step completed to show celebration (b5d7512)
• make inactive heaven bead gaps truly equal to earth bead gaps (209ea0f)
• make lightbulb emoji inline with help text (43e046a)
• make sorting game action buttons visible during gameplay (0c1f44b)
• match React component font sizing for SVG numbers (dedc0e7)
• maximize inactive heaven bead gap from reckoning bar (8f88eeb)
• move inactive heaven beads HIGHER for larger gap from reckoning bar (2a82902)
• move inactive heaven beads to 2pt from top for 18pt gap from reckoning bar (708cc91)
• perfect crop mark detection and SVG dimension consistency (79f38c1)
• position inactive heaven beads above reckoning bar, not below (2d7d4ef)
• position inactive heaven beads relative to reckoning bar with same 19pt gap as earth beads (3424ca1)
• position inactive heaven beads with maximum gap using available space (421ec11)
• position success toast near abacus instead of app nav (ec40a8d)
• preserve fullscreen mode when navigating from arcade to memory matching game (2505335)
• prevent premature step completion for multi-step problems (41dde87)
• prevent race end modal from breaking endless route progression (e06be9d)
• regenerate example SVGs with actual soroban renderings (d94baa1)
• remove broken display switching and add train emoji flip (3227cd5)
• remove controlled tooltip state to enable proper HoverCard timing (e6e3aa9)
• remove explicit conventionalcommits preset config to fix semantic-release (15a9986)
• remove failing tests from GitHub Actions workflow to enable deployment (2eaeac6)
• remove ordering mismatch warning and implement correct expected state calculation (9de48c6)
• remove Panda CSS generated files from source control (18b685b)
• remove redundant mode selection and revert game naming (03f5056)
• remove TypeScript type check from GitHub Actions workflow (18e2aa9)
• replace all window.location.href with Next.js router for proper navigation (2a84687)
• replace invalid CSS 'space' property with 'gap' in guide page (5841f3a)
• reposition on-screen keyboard to avoid covering abacus tiles (6e5b4ec)
• resolve abacus sizing and prefix matching issues in memory quiz (b1db028)
• resolve arrow disappearing and incorrect bead targeting in 3+14=17 story (b253a21)
• resolve async/await issues in download API routes (9afaf6e)
• resolve auto-incrementing counter in InteractiveWithNumbers story (1838d7e)
• resolve circular dependency errors in memory quiz on-screen keyboard (d25e2c4)
• resolve critical bugs in automatic instruction generator found by stress testing (e783776)
• resolve critical ordering mismatch between multiStepInstructions and stepBeadHighlights (2c395f3)
• resolve display switching bug causing game content to disappear (4736768)
• resolve dnd-kit ref extension error in enhanced arena (fac3202)
• resolve final TypeScript errors in place-value migration (9a24dc8)
• resolve infinite render loop when clicking Next in tutorial player (4ef6ac5)
• resolve nested border radius visual artifacts on match cards (c69f6a4)
• resolve Python FileNotFoundError and improve error handling (69bda9f)
• resolve ReferenceError by moving ref declarations before usage (fa153c6)
• resolve runtime error - calculateOptimalGrid not defined (fbc84fe)
• resolve SorobanGeneratorBridge path issues for SVG generation (845a4ff)
• resolve stepIndex mismatch preventing arrows in multi-step sequences (96fda6b)
• resolve style dropdown click-outside and infinite re-render issues (6394218)
• resolve temporal dead zone error with goToNextStep (3d503dd)
• resolve test failures and improve test robustness (3c0affc)
• resolve TypeScript compilation errors (db3784e)
• resolve TypeScript compilation errors blocking GitHub Actions build (83ba792)
• resolve TypeScript errors across the codebase (5946183)
• resolve zero-state interaction bug in AbacusReact component (f18018d)
• restore click functionality alongside directional gestures (3c28c69)
• restore interactive abacus display with TypstSoroban fallback (b794187)
• restore missing typst dependencies for WASM loading (96aa790)
• restore single-click player card functionality for arena toggle (1ba2a11)
• restore workspace dependencies and fix TypeScript errors (31df87d)
• show numbers in educational abacus examples (2b5f143)
• simplify collision detection to resolve iterable error (0b3e8fd)
• simplify inactive heaven bead positioning for better gap matching (22c4bd3)
• simplify semantic-release config to use default conventional commits (e207659)
• single digit values now correctly position in rightmost column (689bfd5)
• stabilize smart help detection with timer-based state (9cc3a0e)
• update bridge generator interface to support SVG format (a022852)
• update GitHub Actions to use latest action versions (b674946)
• update GitHub Actions to use latest action versions for Storybook deployment (f0bb411)
• update GitHub Pages actions to v4 for better deployment reliability (be76c23)
• update gitignore to follow Panda CSS best practices (ccd0aa7)
• update pnpm lockfile to sync with semantic-release dependencies (9d23e82)
• update relative import in generate.py for module compatibility (b633578)
• update unified gallery to use correct crop examples (826e86d)
• upgrade Node.js to version 20 for Storybook compatibility (4c33872)
• use actual AbacusReact component for README examples via SSR (a630aa4)
• use aggressive NumberFlow mock for SVG text rendering (1364b11)
• use correct test command in GitHub Actions workflow (6483e28)

Features

• abacus-react: add dual publishing to npm and GitHub Packages (242ee52)
• abacus-react: comprehensive README overhaul with current capabilities (0ce351e)
• abacus-react: configure GitHub Packages-only publishing workflow (5eeedd9)
• abacus-react: enable dual publishing to npm and GitHub Packages (176a196)
• abacus-react: enhance package description with semantic versioning details (af037b5)
• abacus-react: implement GitHub Packages-only publishing workflow (b194599)
• abacus-react: implement GitHub-only semantic release with manual package publishing (33b0567)
• abacus-react: simplify to GitHub Packages-only publishing (acc126b)
• abacus-react: use environment variables to override npm registry (ad444e1)
• add 292 comprehensive snapshot tests for pedagogical algorithm (3b8f803)
• add AbacusContext for global display configuration (6460089)
• add ArithmeticOperationsGuide component to learning guide (902fa56)
• add automated semantic release system with conventional commits (46c8839)
• add backgroundGlow support for column highlighting (b1866ce)
• add bead annotation support to SVG generation (ab244ea)
• add browser fullscreen API context (8e1a948)
• add browser-free example generation using react-dom/server (a100a6e)
• add browser-side bead annotation processing (914e145)
• add CI-friendly example generation and verification (1adbd1a)
• add click-to-dismiss functionality for success popup (3066826)
• add colored numerals feature to match bead colors (e4aaaea)
• add complete NAS deployment system for apps/web (eb8ed8b)
• add comprehensive .gitignore for monorepo (9eccd34)
• add comprehensive soroban learning guide with server-generated SVGs (38d8959)
• add comprehensive Storybook demos for problem generation system (c01f968)
• add comprehensive Storybook examples for documentation (8289241)
• add comprehensive test suite and documentation (bb869a0)
• add comprehensive test suite with visual regression testing (7a2eb30)
• add comprehensive tests for celebration tooltip behavior (a23ddf5)
• add comprehensive tutorial system with editor and player (579caf1)
• add comprehensive unit test suite for memory quiz functionality (a557362)
• add comprehensive welcome page as default landing experience (556a830)
• add concurrent Panda CSS watch to dev script (e8aed80)
• add config presets for colored numerals and skip counting (a8a01a8)
• add cosmic fullscreen mode to abacus style dropdown (afec22a)
• add deprecation markers to legacy column-based API (22f1869)
• add development tooling and comprehensive setup (7ca65bf)
• add extracted TutorialDebugPanel and TutorialNavigation components (bc5446a)
• add fox tunnel digging system for Lightning Sprint mode (b7fac3a)
• add full-viewport abacus test page (861f0e0)
• add fullscreen arcade page with Champion Arena (3edf35f)
• add fullscreen game layout wrapper component (a25e611)
• add fullscreen parameter handling to GameCard (337aa56)
• add fullscreen support to Memory Quiz game (763fc95)
• add Games navigation to main app header (b87ed01)
• add GitHub Pages Storybook deployment with dual documentation sites (439707b)
• add guided addition tutorial with five complements (8ca9dd7)
• add input-based flashcard template with parameter parsing (b375a10)
• add intelligent on-screen number pad for devices without keyboards (d4740ff)
• add interactive abacus display to guide reading section (6d68cc2)
• add interactive bead clicking to soroban abacus (697552e)
• add interactive test story for column highlighting with bead interaction (ee20473)
• add interactive tutorial system with step validation (c5c2542)
• add invisible crop marks for consistent SVG viewBox boundaries (7731f70)
• add Node.js/TypeScript integration with clean function interface (fb1b047)
• add PDF print integration with modal interface (09b0fad)
• add pedagogical segments for contextual learning (0053510)
• add practice page system to guided addition tutorial (9adc3db)
• add precise term position tracking to unified step generator (52323ae)
• add production-ready defensive programming for pedagogical segments (704a8a8)
• add proper step initialization and multi-step navigation to TutorialContext (153649c)
• add Python bridge and optional FastAPI server (98263a7)
• add Radix tooltip dependency for better tooltip accessibility (6c02ea0)
• add real-time bead movement feedback to tutorial UI (4807bc2)
• add reusable GameSelector and GameCard components (c5a654a)
• add self-contained Storybook-like gallery for template visualization (efc5cc4)
• add setGameModeWithPlayers method to GameModeContext (c3a4d76)
• add single card template for PNG/SVG output (3315310)
• add smooth cross-zone reordering animations and tone down scaling (b7335f0)
• add soroban games section with Speed Memory Quiz (331a789)
• add static site generator for gallery with embedded SVGs (505ff66)
• add step parameter for skip counting (c94fa5c)
• add Storybook stories for debugging zero-state interaction bug (f293e5e)
• add stunning hero section with colorful soroban showcase (d65ac54)
• add SVG post-processing to convert bead annotations to data attributes (8de3259)
• add SVG post-processor to package exports (59f4022)
• add testing framework dependencies (11306df)
• add TouchSensor for mobile drag and drop compatibility (4fbf4d8)
• add TypeScript client libraries for browser integration (f21b5e5)
• add TypeScript configuration for core package (43b3296)
• add typography improvements and subtle dev warning styling (12a8837)
• add unified step generator for consistent pedagogical decomposition (93d2d07)
• add UserProfileProvider to app layout for character support (21c430b)
• add WASM preloading strategy with template deduplication (91e65c8)
• add web development test files and public assets (0809858)
• add web output format with interactive hover flashcards (0a4e849)
• attempted floating math display following train (2d50eb8)
• automatic abacus instruction generator for user-created tutorial steps (5c46470)
• BREAKTHROUGH - eliminate effectiveColumns threading nightmare! (8fd9e57)
• complete deployment documentation and infrastructure (26f9285)
• COMPLETE place-value migration - eliminate all backward compatibility (67be974)
• complete steam train sound system and smooth time-of-day transitions (6c60f94)
• completely rewrite SorobanQuiz memory game with advanced features (c3fdbfc)
• connect TutorialPlayer to universal AbacusDisplayContext (ff12bab)
• convert SorobanQuiz memory game styling to Panda CSS (bed97e6)
• create @soroban/templates package with dual Node.js/Python interface (7da0123)
• create comprehensive interactive soroban tutorial with stunning UI (d78f19e)
• create interactive gallery replicating original Typst design (1bcfd22)
• create Next.js web application with beautiful UI (1b7e71c)
• create sequential practice problem player with step-by-step guidance (8811106)
• create shared EditorComponents library for tutorial UI consistency (4991a91)
• create unified skill configuration interface with intuitive modes (fc79540)
• disable NumberFlow animations for keyboard input to prevent jarring transitions (fe38bfc)
• display pedagogical terms inline with current tutorial step (408eb58)
• enable automatic live preview updates and improve abacus sizing (f680987)
• enhance ChampionArena with integrated GameSelector and improved UX (aba3f68)
• enhance column mapping for two-level highlighting (007d088)
• enhance crop marks with edge-based positioning and comprehensive tests (8c7a5b1)
• enhance GameCard with epic character celebration animations (b05189e)
• enhance instruction generator with step bead highlighting and multi-step support (8518d90)
• enhance memory quiz input phase for better learning experience (7c5556b)
• enhance memory quiz with dynamic columns and adaptive transitions (aa1f674)
• enhance navigation touch targets for mobile (6e09f21)
• enhance pedagogical reasoning tooltips with comprehensive context (bb38c7c)
• enhance steam train coal shoveling visual feedback (f26fce4)
• enhance test page with lazy loading demo (5a8bb2f)
• enhance tooltips with combined provenance and pedagogical content (0c7ad5e)
• enhance tutorial system with multi-step progression support (3a63950)
• enhance two-player matching game with multiple UX improvements (f35dcdc)
• export bridge generator from core package (90a5c06)
• export SVG processing functions from main module (bee866a)
• extend provenance system for multi-column term tracking (013e8d5)
• hide Next Action when at expected starting state for current step (aafee3a)
• hide Next Action when current state matches step target (ed3d896)
• hide redundant pedagogical expansions for simple problems (9d0e8c7)
• hide timer bar for train variant only (84334f9)
• implement 90s arcade sound system and tunnel digging mechanics (a43ab92)
• implement actual abacus SVG generation for README examples (6e02102)
• implement authentic adjacent bead spacing for realistic abacus appearance (f28256d)
• implement clean background glow for term-to-column highlighting (ec030f0)
• implement colorblind-friendly color palettes with mnemonic support (faf578c)
• implement complete smart number entry system for quiz (150c195)
• implement comprehensive bead diff tooltips with pedagogical decomposition (2e3223d)
• implement comprehensive character integration for /games arcade (26bf399)
• implement comprehensive customization API for AbacusReact (48f6e77)
• implement comprehensive pedagogical algorithm improvements (72d9362)
• implement comprehensive pedagogical expansion tests for abacus operations (5d39bdc)
• implement context-aware English instruction generation (bd3f144)
• implement CSS-based hidden inactive beads with smooth opacity transitions (ff42bcf)
• implement dynamic bead diff algorithm for state transitions (c43090a)
• implement dynamic train orientation following curved path direction (e6065e8)
• implement elegant between-step hover-based add functionality (89a0239)
• implement endless route progression system (a2b3e97)
• implement enhanced tactile drag and drop arena with dnd-kit (4b840e9)
• implement fair scoring algorithm for card sorting challenge (ee7a5e4)
• implement global abacus display configuration and remove client-side SVG generation (5c3231c)
• implement HoverCard-based tooltip with enhanced UX and accessibility (7fef932)
• implement interactive pedagogical reasoning with compact tooltips (2c09516)
• implement interactive place value editing with NumberFlow animations (684e624)
• implement intuitive directional gesture system for abacus beads (7c104f3)
• implement learner-friendly pedagogical tooltips with plain language (01ed22c)
• implement mobile-first responsive design for speed memory quiz (13efc4d)
• implement modal dialogs with fullscreen support for challenges (9b6cabb)
• implement native place-value architecture for AbacusReact (3055f32)
• implement physical abacus logic and fix numeral coloring regression (5e3d799)
• implement precise inline highlighting of pedagogical terms (538d356)
• implement progressive enhancement with minimal loading states (7e1ce8d)
• implement progressive multi-step instruction system in AbacusReact (9195b9b)
• implement proper SVG transform accumulation for crop mark viewBox calculation (03230a2)
• implement provenance system for pedagogical term tracking (37b5ae8)
• implement React abacus component with independent heaven/earth beads (528cac5)
• implement real SVG generation from Python bridge in preview API (4b90d12)
• implement realistic abacus drag mechanics (86cbbc8)
• implement revolutionary drag-and-drop champion arena interface (dbf61c4)
• implement semantic summarizer for pedagogical tooltips (d1f1bd6)
• implement sequential addition problem generation with skill-aware logic (205badb)
• implement skill-based practice step editor system (9a3afb1)
• implement smart help detection for Next Action display (933b948)
• implement smart tooltip positioning to avoid covering active beads (e104033)
• implement toggleable on-screen keyboard to prevent UI overlap (701d23c)
• implement two-level column highlighting in tutorial player (bada299)
• implement type-safe place-value API for bead highlighting (9b6991e)
• implement unified step positioning for tutorial editor (6aac8f2)
• improve bead interaction handlers for place-value system (34b9517)
• improve celebration tooltip positioning to last moved bead (91c5e58)
• improve pedagogical decomposition to break down by place value (4c75211)
• improve preview number selection for better variety demonstration (3eb053f)
• improve sorting game UX with visual cues and auto-selection (a943ceb)
• improve visual appearance with dynamic rod bounds and better spacing (6c95538)
• initialize CHANGELOG.md for semantic release tracking (5dcee6b)
• integrate bead diff algorithm with tutorial editor (472bdf8)
• integrate guided addition tutorial into guide page (b82a8f1)
• integrate memory pairs game with arena champions and N-player support (d9f07d7)
• integrate MemoryPairs game with global GameModeContext (022dca6)
• integrate NumberFlow for smooth animated number display (e330d35)
• integrate pytest testing with make targets (8c15d06)
• integrate typst.ts for browser-native SVG generation (c703a3e)
• integrate unified skill configuration interface into practice step editor (9305f11)
• integrate unified step generator into tutorial editor UI (88059b2)
• make success notification prominent but non-blocking (7278590)
• migrate all app abaci to browser-side generation (9be52ac)
• move progressive test stories to web app with real instruction generator integration (9d568e3)
• optimize games page for mobile devices (eb7202d)
• optimize memory quiz layout for better viewport usage (2f0c0fe)
• optimize mobile viewport configuration (476f0fb)
• optimize Next.js webpack configuration for WASM (39b6e5a)
• optimize showNumbers layout with three modes and visual improvements (77dc470)
• polish interactive abacus with column-based digit display (ad11e3d)
• redesign memory game with invisible input and penalty scoring (b92a867)
• regenerate Panda CSS styles for memory quiz and other components (b8361ee)
• remove normalizeBeadHighlight conversion layer (6200204)
• reorganize main page into navigable sectioned layout (4d179b5)
• replace Champion Arena with Enter Arcade button (2b98382)
• replace inline success message with stunning floating overlay (43f02eb)
• replace legacy abacus components with new AbacusReact (2a6a010)
• replace manual dropdown with Radix UI for proper state management (bf050fa)
• replace single-column results with persistent card grid layout (30ae6e1)
• replace tutorial player arrows with dynamic bead diff algorithm (e8fe467)
• restore steam train journey enhancements (045dc9f)
• revolutionary single-element editable NumberFlow with live abacus updates (4bccd65)
• set up automated npm publishing for @soroban/abacus-react package (dd80d29)
• set up monorepo structure with pnpm workspaces and Turborepo (62e941e)
• streamline practice step editor by removing redundant preview section (beaf3f0)
• switch tooltip system from Tooltip to HoverCard for better interactivity (861904f)
• transform tooltip into celebration when step completed (057f71e)
• trigger storybook deployment after enabling GitHub Pages (64dc94e)
• update ReasonTooltip UI to prioritize semantic summaries (6fb0384)

Performance Improvements

• debounce value change events during rapid gesture interactions (82e15a1)
• eliminate loading flash with delayed loading state (c70a390)
• optimize tutorial abacus highlighting calculation (3490f39)
• optimize TutorialEditor TutorialPlayer prop calculations (8e81d25)
• speed up bead animations for fast abacus calculations (1303c93)

BREAKING CHANGES

• abacus-react package now has independent versioning from monorepo