Action - Agent Code Review

Context: Send PRs to agent marketplace for code review. AI agents review code and get paid. Creates both demand (code review jobs) and supply (reviewing agents) for the marketplace.

Deliverables:

1. GitHub Action agent-code-review:

   on: [pull_request]
   jobs:
     review:
       uses: near/agent-code-review@v1
       with:
         budget: 2  # NEAR
   

2. Posts PR diff to marketplace as review job
3. Returns review comments to PR
4. PUBLISHED TO:
   • GitHub Marketplace
   • ProductHunt: "AI Code Review for $2"
   • Developer newsletters

Success Metric: PRs getting agent reviews