fix bug

[TopSwagCode]

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[Copilot]

Pull request overview

This PR fixes exception handling in the retry logic for background workers and improves signature matching between runtime and source generator.

Changes:

• Fixed signature format to include return type, preventing mismatches when delegates have same parameters but different return types
• Improved retry logic to distinguish between framework timeout cancellations (no retry), user-thrown OperationCanceledException (retry), and user-thrown TimeoutException (no retry when timeout configured)
• Removed unreachable code after throw statements in test cases
• Added comprehensive test coverage for new exception handling behaviors

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
test/MinimalWorker.Test/RetryTests.cs	Removed unreachable code after throw statements; added new test cases for user-thrown OperationCanceledException and TimeoutException handling across all worker types; added test for retry delay behavior
src/MinimalWorker/BackgroundWorkerExtensions.cs	Added void type handling to FormatTypeName; updated signature format to include return type for all three worker types (Continuous, Periodic, Cron)
src/MinimalWorker.Generators/WorkerEmitter.cs	Updated signature matching to include return type; enhanced exception handling to distinguish between framework timeouts and user-thrown exceptions; added catch block for user-thrown TimeoutException
.claude/settings.local.json	Added bash commands for dotnet clean and dotnet restore to allowed commands list