fix: await mapped error response promise

[MegaManSec]

Summary by CodeRabbit

• Bug Fixes
  • Fixed promise handling in response mapping to ensure correct error propagation and result processing.

[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

Run ID: e894eb94-8423-4ab9-95a7-dec2c273140d

📥 Commits

Reviewing files that changed from the base of the PR and between 169e54a and 22416bd.

📒 Files selected for processing (1)

• src/compose.ts

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Walkthrough

A bug fix in the error handling logic of mapResponse corrects the awaiting of mapped response promises. The code now properly awaits the promise result and assigns it back before updating the error reference variable.

Changes

Cohort / File(s)	Summary
Error Handling Fix src/compose.ts	Fixed incorrect promise awaiting in mapResponse error handling branch; now correctly awaits mapped response and propagates result to error reference.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 A promise awaited, but not quite right,
Now holds its value with proper might,
Error handlers skip their gentle dance,
As mep gets its moment, a second chance!
—The CodeRabbit

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: fixing the awaiting of a mapped error response promise in src/compose.ts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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