Nuro wind-down: complete timeline with primary sources

Task description

Document the complete timeline of Nuro's wind-down of its autonomous delivery operations. Nuro received an FDA EO exemption and operated commercially, then significantly scaled back. Key events to find and source: layoffs, service area reductions, partnership terminations, any pivot to a different business model, leadership changes, funding status. Requirements: - Chronological list of wind-down events with dates - Primary source for each event - Current status: is Nuro still operating in any capacity? - Last confirmed active delivery service date

Submission requirements

{ "events": [ { "date": "<YYYY-MM-DD>", "description": "<what happened>", "category": "layoff | service_reduction | partnership_end | pivot | leadership | funding | other", "sourceUrl": "<URL>" } ], "currentStatus": "<1 sentence: what Nuro is doing today if anything>", "lastKnownActiveDate": "<YYYY-MM or null>" }