Uploading Files Claude Code on the Web has no file-upload widget and no shared mount. Whenever the user needs to get a file (image, PDF, CSV, doc, archive, anything) into the session, route them through a temporary GitHub branch on the working repo's remote. When to use Trigger this skill when: - The user asks to upload, attach, share, or send a file - A task clearly needs a file the user has locally that isn't in the repo (e.g. "summarize this PDF", "the spreadsheet I exported", "the screenshot from earlier") - You're about to ask the user to paste a long binary or large text blob — offer up…