apps/web/package.json                                            |    5 +
 apps/web/src/components/ChatMarkdown.tsx                         |   81 ++-
 apps/web/src/components/ComposerPromptEditorTiptap.tsx           |  422 ++++++++++++--
 apps/web/src/components/chat/ComposerCodeBlockLanguagePicker.tsx |  121 ++++
 apps/web/src/components/chat/ComposerCodeBlockNodeView.tsx       |   67 +++
 apps/web/src/components/composerCodeBlockHighlight.test.ts       |  152 +++++
 apps/web/src/components/composerCodeBlockHighlight.ts            |  231 ++++++++
 apps/web/src/composer-block-shortcuts.test.ts                    |  126 ++++
 apps/web/src/composer-code-block.test.ts                         |  391 +++++++++++++
 apps/web/src/composer-code-block.ts                              |  254 ++++++++
 apps/web/src/composer-code-languages.test.ts                     |   59 ++
 apps/web/src/composer-code-languages.ts                          |   97 ++++
 apps/web/src/composer-list-continuation.test.ts                  |   19 +-
 apps/web/src/composer-list-continuation.ts                       |   21 +-
 apps/web/src/composer-list-split.test.ts                         |  265 +++++++++
 apps/web/src/composer-rich-text-doc.test.ts                      |  529 +++++++++++++++++
 apps/web/src/composer-rich-text-doc.ts                           | 1002 +++++++++++++++++++++++++++++---
 apps/web/src/index.css                                           |   84 ++-
 docs/internals/composer-editors.md                               |   15 +
 docs/user/composer.md                                            |   17 +
 pnpm-lock.yaml                                                   |   15 +
 21 files changed, 3798 insertions(+), 175 deletions(-)