fix: remove unused purchaseWorkflow import and export

[Mikkelnice]

Removed purchaseWorkflow export from index.ts.

Summary

Type of change

• Bug fix
• New feature
• Breaking change
• Documentation

Test plan

• pnpm typecheck
• pnpm test
• Manual testing (describe):

Checklist

• Follows project code conventions
• TODOs reference issues where applicable
• No secrets or credentials committed

Summary by CodeRabbit

• Chores
  • Removed an outdated workflow export from the orchestrator entry point.
  • Kept the existing workflow machine and related types available through the same module.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: af1be4e6-1baf-458c-8007-3c538c6a4e91

📥 Commits

Reviewing files that changed from the base of the PR and between 69dd2c2 and edbc37b.

📒 Files selected for processing (1)

• apps/backend/orchestrator/src/index.ts

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📝 Walkthrough

Walkthrough

The orchestrator entry point stops re-exporting purchaseWorkflow and keeps exporting restorePurchaseWorkflow, PurchaseWorkflowMachine, WorkflowSnapshot, PurchaseState, and PurchaseEvent.

Changes

Purchase workflow export surface

Layer / File(s)	Summary
Export surface update apps/backend/orchestrator/src/index.ts	purchaseWorkflow is removed from the module imports and exports; restorePurchaseWorkflow remains exported alongside the existing machine and type exports.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• DelegoLabs/Delego#156 — Also changes purchase workflow exports, including replacing purchaseWorkflow with restorePurchaseWorkflow.

Poem

I hopped by the export tree, 🐇
And nibbled one old symbol free.
Restore still gleams in the moonlit air,
With machine and types kept safe and bare.
A tidy burrow, light and new,
Wiggle, wiggle—review complete too!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: removing the unused purchaseWorkflow import and export.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[drips-wave]

Hey @Mikkelnice! 👋 It looks like this PR isn't linked to any issue.

If this PR is for one of the issues assigned to you as part of a Wave, please link it to ensure your contribution is tracked properly. You can do this by adding a keyword to the PR description (e.g., Closes #123), or by clicking a button below:

Issue	Title
#113	[Gateway] Add Delegation Status Filter Validation	Link to this issue
#95	[Soroban/Escrow] Enforce Non-Zero Escrow Amount	Link to this issue
#90	[Soroban/Escrow] Add Read-Only Escrow Summary View	Link to this issue
#101	[Soroban/Permissions] Reject Permission Grants with Expired Ledger	Link to this issue

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