Fix CI type gates and add a working contract acquisition path - #4

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11d5960a326750d5838078e36cf38b85af677262, actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065, astral-sh/setup-uv@38f3f104447c67c051c4a08e39b64a148898af3a. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>08YK+agAAAABsC4+gT1xcS6n0tDHXH0+dUEhMMzBFREdFMDQxMABFZGdl

Import "langgraph.types" could not be resolved (reportMissingImports)

Import "langgraph.graph" could not be resolved (reportMissingImports)

Import "crewai" could not be resolved (reportMissingImports)

Argument missing for parameter "in" (reportCallIssue)

Argument missing for parameter "recovery_window" (reportCallIssue)

Argument missing for parameter "in" (reportCallIssue)

Argument missing for parameter "recovery_window" (reportCallIssue)

Argument missing for parameter "in" (reportCallIssue)

Argument missing for parameter "in" (reportCallIssue)

Import "langchain_core.messages" could not be resolved (reportMissingImports)

Failed to restore: Cache service responded with 400