chore: add more information when there is a failure connecting MCP-92

[kmruiz]

Proposed changes

This adds more information to the debug resource whenever there is an issue connecting.

Checklist

• I have signed the MongoDB CLA

[Copilot]

Pull Request Overview

This PR enhances error reporting when MongoDB connections fail by adding more detailed information to debug resources. The changes improve the debugging experience by providing authentication mechanism details and Atlas cluster information when connection errors occur.

Key changes:

• Updated connection error events to include structured error information instead of simple error strings
• Added authentication type inference and Atlas cluster details to error reporting
• Enhanced debug resource output to display inferred authentication mechanisms and Atlas cluster information

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/common/connectionManager.ts	Added connection string auth type inference and structured error reporting
src/common/session.ts	Updated event handlers to pass complete error objects instead of just error messages
src/resources/common/debug.ts	Enhanced debug output to display authentication type and Atlas cluster information
tests/unit/resources/common/debug.test.ts	Updated tests to verify new structured error information display
tests/integration/common/connectionManager.test.ts	Added integration tests for Atlas cluster connection failure scenarios

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[coveralls]

Pull Request Test Coverage Report for Build 17269549497

Details

• 26 of 27 (96.3%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.06%) to 81.92%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/resources/common/debug.ts	16	17	94.12%

Totals
Change from base Build 17268043086:	0.06%
Covered Lines:	4435
Relevant Lines:	5395

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💛 - Coveralls

[himanshusinghs]

Looks good, left a question for better understanding.