Add Datacenter Monitor recipe

[khushishelat]

Adds Datacenter Monitor — a live map of 2,800+ U.S. datacenters, discovered / enriched / monitored end-to-end on Parallel's Task and Monitor APIs.

• Live demo: https://datacenter-map-demo.vercel.app
• Repo: https://github.com/khushishelat/datacenter-map-demo

Submitting as an external/community-style recipe (like Competitive Analysis) — the app lives in its own repo, so this PR only registers it in the two required places:

• Row under Scheduled Research & Webhooks in README.md
• Entry in website/cookbook.json (validated against the schema)

Why it's worth a spot

The distinctive, reusable technique is iterative dataset discovery: a single "find all US datacenters" Task plateaus ~50 results, so the app shards by state and paginates with previous_interaction_id (loop-until-dry) to enumerate ~2,800 facilities across the long tail. From there:

• 25-field enrichment per facility via Task Groups, with output.basis powering per-cell reasoning + citations
• an AI-impact classification pass (water / grid / community)
• 31 event-stream monitors + 200 daily snapshot monitors (field-level diffs, each with its own basis), delivered via webhooks + SSE
• a weekly brief written by the Task API, every claim linked to a source

The repo's README documents the full pipeline and includes the discovery script (build_datacenters_iterative.py).

Checklist

• Live demo reachable
• No secrets committed (.env.local.example only; keys read from env)
• LICENSE (MIT) in the source repo
• Lockfile committed in the source repo
• Registered in both README.md and website/cookbook.json
• imageUrl set to null for now — happy to add an OG image if preferred

Marked as draft — open to moving it to Community Examples or a different category, and to creators/repo-owner changes if you'd rather it live under parallel-web.

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