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Reference
Quick reference for supported limits and keyboard behavior documented in the current code.
Chat attachments
Current backend chat validation allows up to four attachments per message and 5 MB combined. Images: PNG, JPEG, GIF, WebP. Text/source extensions are defined by the backend allowlist; the upload interface may expose a narrower set.
Project resource formats
The project resource uploader is configured for text and source-oriented formats such as TXT, Markdown, CSV, JSON, JavaScript/TypeScript, Python, HTML/CSS, SQL, and related source files. The upload picker and backend validation define the effective list.
Keyboard behavior
The chat setting controls whether Enter sends a message; Shift+Enter inserts a newline in the standard configuration. Ctrl+K opens Pixel’s command palette in the main application. Documentation search also supports Ctrl+K and the / key when focus is outside a text field.