Tidy CSV Helper

What you asked for 11 of 11 checked and working

• R1: Helper is for the product owner only, with a notice that visitors cannot run Muse Code tasks. Works Notice says helper is for owner only and visitors cannot run tasks.
• R2: Owner can paste a messy CSV of made-up test data as text. Works Textarea shows pasted messy CSV with names and dates.
• R3: Owner can say what to fix in plain words alongside the pasted CSV. Works Textarea shows plain-words fix request about spaces and dates.
• R4: A real Muse Code coding agent runs the task in a private workspace. Works Run screen says Muse Code started in private temporary workspace.
• R5: Product shows the agent steps as it works until the task finishes. Works Numbered list shows 8 agent steps through to finished.
• R6: Product hands back the cleaned CSV as a file to download. Works Cleaned CSV section shows preview and Download cleaned.csv button.
• R7: Product hands back the script the agent wrote as a file to download. Works Files list shows dedupe.js script written by agent.
• R8: Product uses Muse Code sessions for the coding agent. Works Run text references Muse Code private temporary workspace session.
• R9: Owner can move between input, running task, and results screens and start a new cleanup. Works Tabs for New cleanup and Task progress plus Start a new cleanup link.
• R10: Empty state shows a sample messy test CSV and example fix request before anything is pasted. Works Empty input shows Sample test CSV and example fix request.
• R11: Error state explains bad CSV, unclear request, or failed or timed out Muse Code task and how to retry. Works Red message says request too short and says what to fix.