create mode 100644 apps/web/src/components/chat/ComposerPromptLengthValidation.test.tsx
 create mode 100644 apps/web/src/components/chat/ComposerPromptLengthValidation.tsx
 create mode 100644 apps/web/src/components/chat/composerSubmission.test.ts
 create mode 100644 apps/web/src/components/chat/composerSubmission.ts
 create mode 100644 docs/user/composer.md