📄 CodeRabbit inference engine (.github/copilot-instructions.md)

**/*.{jsx,tsx}: Don't use accessKey attribute on any HTML element.
Don't set aria-hidden="true" on focusable elements.
Don't add ARIA roles, states, and properties to elements that don't support them.
Don't use distracting elements like <marquee> or <blink>.
Only use the scope prop on <th> elements.
Don't assign non-interactive ARIA roles to interactive HTML elements.
Make sure label elements have text content and are associated with an input.
Don't assign interactive ARIA roles to non-interactive HTML elements.
Don't assign tabIndex to non-interactive HTML elements.
Don't use positive integers for tabIndex property.
Don't include "image", "picture", or "photo" in img alt prop.
Don't use explicit role property that's the same as the implicit/default role.
Make static elements with click handlers use a valid role attribute.
Always include a title element for SVG elements.
Give all elements requiring alt text meaningful information for screen readers.
Make sure anchors have content that's accessible to screen readers.
Assign tabIndex to non-interactive HTML elements with aria-activedescendant.
Include all required ARIA attributes for elements with ARIA roles.
Make sure ARIA properties are valid for the element's supported roles.
Always include a type attribute for button elements.
Make elements with interactive roles and handlers focusable.
Give heading elements content that's accessible to screen readers (not hidden with aria-hidden).
Always include a lang attribute on the html element.
Always include a title attribute for iframe elements.
Accompany onClick with at least one of: onKeyUp, onKeyDown, or onKeyPress.
Accompany onMouseOver/onMouseOut with onFocus/onBlur.
Include caption tracks for audio and video elements.
Use semantic elements instead of role attributes in JSX.
Make sure all anchors are valid and navigable.
Ensure all ARIA properties (aria-*) are valid.
Use valid, non-abstract ARIA roles for elements with...

Files:

• apps/web/src/components/editor/timeline/timeline-element.tsx
• apps/web/src/components/editor/timeline/timeline-track.tsx

📄 CodeRabbit inference engine (.github/copilot-instructions.md)

**/*.{js,jsx,ts,tsx}: Don't use consecutive spaces in regular expression literals.
Don't use the arguments object.
Don't use the comma operator.
Don't write functions that exceed a given Cognitive Complexity score.
Don't use unnecessary boolean casts.
Don't use unnecessary callbacks with flatMap.
Use for...of statements instead of Array.forEach.
Don't create classes that only have static members (like a static namespace).
Don't use this and super in static contexts.
Don't use unnecessary catch clauses.
Don't use unnecessary constructors.
Don't use unnecessary continue statements.
Don't export empty modules that don't change anything.
Don't use unnecessary escape sequences in regular expression literals.
Don't use unnecessary labels.
Don't use unnecessary nested block statements.
Don't rename imports, exports, and destructured assignments to the same name.
Don't use unnecessary string or template literal concatenation.
Don't use String.raw in template literals when there are no escape sequences.
Don't use useless case statements in switch statements.
Don't use ternary operators when simpler alternatives exist.
Don't use useless this aliasing.
Don't initialize variables to undefined.
Don't use the void operators (they're not familiar).
Use arrow functions instead of function expressions.
Use Date.now() to get milliseconds since the Unix Epoch.
Use .flatMap() instead of map().flat() when possible.
Use literal property access instead of computed property access.
Don't use parseInt() or Number.parseInt() when binary, octal, or hexadecimal literals work.
Use concise optional chaining instead of chained logical expressions.
Use regular expression literals instead of the RegExp constructor when possible.
Don't use number literal object member names that aren't base 10 or use underscore separators.
Remove redundant terms from logical expressions.
Use while loops instead of for loops when you don't need initializer and update expressions.
Don't reassign const variables....

Files:

• apps/web/src/components/editor/timeline/timeline-element.tsx
• apps/web/src/types/timeline.ts
• apps/web/src/components/editor/timeline/timeline-track.tsx
• apps/web/src/stores/keybindings-store.ts
• apps/web/src/stores/timeline-store.ts

📄 CodeRabbit inference engine (.github/copilot-instructions.md)

**/*.{ts,tsx}: Don't use primitive type aliases or misleading types.
Don't use empty type parameters in type aliases and interfaces.
Don't use any or unknown as type constraints.
Don't return a value from a function with the return type 'void'.
Don't use the TypeScript directive @ts-ignore.
Don't use TypeScript enums.
Don't export imported variables.
Don't add type annotations to variables, parameters, and class properties that are initialized with literal expressions.
Don't use TypeScript namespaces.
Don't use non-null assertions with the ! postfix operator.
Don't use parameter properties in class constructors.
Don't use user-defined types.
Use as const instead of literal types and type annotations.
Use either T[] or Array<T> consistently.
Initialize each enum member value explicitly.
Use export type for types.
Use import type for types.
Make sure all enum members are literal values.
Don't use TypeScript const enum.
Don't declare empty interfaces.
Don't let variables evolve into any type through reassignments.
Don't use the any type.
Don't misuse the non-null assertion operator (!) in TypeScript files.
Don't use implicit any type on variable declarations.
Don't merge interfaces and classes unsafely.
Don't use overload signatures that aren't next to each other.
Use the namespace keyword instead of the module keyword to declare TypeScript namespaces.
Use consistent accessibility modifiers on class properties and methods.
Use function types instead of object types with call signatures.
Don't use void type outside of generic or return types.

**/*.{ts,tsx}: Don't use TypeScript enums.
Don't export imported variables.
Don't add type annotations to variables, parameters, and class properties that are initialized with literal expressions.
Don't use TypeScript namespaces.
Don't use non-null assertions with the ! postfix operator.
Don't use parameter properties in class constructors.
Don't use user-defined types.
Use as const instead of literal types and...

Files:

• apps/web/src/components/editor/timeline/timeline-element.tsx
• apps/web/src/types/timeline.ts
• apps/web/src/components/editor/timeline/timeline-track.tsx
• apps/web/src/stores/keybindings-store.ts
• apps/web/src/stores/timeline-store.ts

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.402Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Don't export empty modules that don't change anything.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.402Z
Learning: Applies to **/*.{ts,tsx} : Don't use the TypeScript directive ts-ignore.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .cursor/rules/ultracite.mdc:0-0
Timestamp: 2025-07-27T22:15:27.748Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Don't import next/document outside of pages/_document.jsx in Next.js projects.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.402Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Don't use __dirname and __filename in the global scope.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.402Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Don't use configured elements.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .cursor/rules/ultracite.mdc:0-0
Timestamp: 2025-07-27T22:15:27.748Z
Learning: Applies to **/*.{test,spec}.{js,jsx,ts,tsx} : Don't use export or module.exports in test files.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.403Z
Learning: Applies to **/*.test.{js,jsx,ts,tsx} : Don't use disabled tests.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.403Z
Learning: Applies to **/*.test.{js,jsx,ts,tsx} : Don't use export or module.exports in test files.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.403Z
Learning: Applies to **/*.{jsx,tsx} : Don't use `<head>` elements in Next.js projects.

Applied to files:

• .dockerignore

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-27T22:14:46.402Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Use Date.now() to get milliseconds since the Unix Epoch.

Applied to files:

• apps/web/src/stores/timeline-store.ts

Learnt from: CR
Repo: OpenCut-app/OpenCut PR: 0
File: .cursor/rules/ultracite.mdc:0-0
Timestamp: 2025-07-27T22:15:27.748Z
Learning: Applies to **/*.{jsx,tsx} : Include caption tracks for audio and video elements.

Applied to files:

• apps/web/src/stores/timeline-store.ts

apps/web/src/constants/timeline-constants.ts (2)

• TIMELINE_CONSTANTS (72-79)
• snapTimeToFrame (99-103)

apps/web/src/types/timeline.ts (1)

• canElementGoOnTrack (139-150)

apps/web/src/types/timeline.ts (1)

• TimelineTrack (83-91)

apps/web/src/lib/utils.ts (1)

• generateUUID (18-49)