fix(ENG-12551): update connection attempts URL to /hub/ path

[adefreitas]

Summary

• Update connection attempt URLs from /connect_sessions/connection_attempts to /hub/connection_attempts

Context

CloudFront's Lambda@Edge handles CORS for /hub/ paths. Moving the endpoints there avoids CORS issues without infrastructure changes. Pairs with StackOneHQ/unified-cloud-api#8037.

Test plan

• Deploy API change first, then this
• Verify polling works end-to-end from Hub embed

🤖 Generated with Claude Code

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Summary by cubic

Switch connection attempt API calls from /connect_sessions/connection_attempts to /hub/connection_attempts to use CloudFront CORS. Enables reliable server-side status polling for the Hub embed (ENG-12551).

• Migration
  • Deploy backend support for /hub/connection_attempts before this change.
  • Verify polling works end-to-end from the Hub embed.

^{Written for commit a9c7150. Summary will update on new commits.}

[claude]

Claude Code Review

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[Copilot]

Pull request overview

Updates the Integration Picker’s connection-attempt API calls to use the /hub/ path so requests benefit from CloudFront Lambda@Edge CORS handling when embedded.

Changes:

• Switched createConnectionAttempt, pollConnectionAttempt, and cancelConnectionAttempt endpoints from /connect_sessions/connection_attempts to /hub/connection_attempts.

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[cubic-dev-ai]

No issues found across 1 file

_{Requires human review: This change modifies API endpoints which requires backend coordination and could break connection attempts if deployed out of sync. API changes require human review.}