Add integration tests for the deleteViaDaemon function that handles
client-side RPC deletion calls:
- TestDeleteViaDaemon_SuccessfulDeletion: Single issue deletion
- TestDeleteViaDaemon_CascadeDeletion: Cascade deletion through daemon
- TestDeleteViaDaemon_ForceDeletion: Force delete bypassing deps
- TestDeleteViaDaemon_DryRunMode: Preview without actual deletion
- TestDeleteViaDaemon_InvalidIssueID: Error handling for invalid IDs
- TestDeleteViaDaemon_BatchDeletion: Multiple issues at once
- TestDeleteViaDaemon_JSONOutput: JSON output validation
- TestDeleteViaDaemon_HumanReadableOutput: Human-readable formatting
- TestDeleteViaDaemon_DependencyConflict: Dependency conflict handling
- TestDeleteViaDaemon_EmptyIDs: Empty ID list handling
- TestDeleteViaDaemon_MultipleErrors: Mixed valid/invalid batch
- TestDeleteViaDaemon_DirectCall: Direct call with global client
- TestDeleteViaDaemon_DirectDryRun: Direct dry-run test
- TestDeleteViaDaemon_DirectHumanOutput: Direct human output test
- TestDeleteViaDaemon_DirectBatch: Direct batch deletion test
Coverage: 59.4% for deleteViaDaemon (remaining 40% is os.Exit paths)
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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