Analyzed test coverage across the codebase (58.7% overall).Adding coverage output files to .gitignore to prevent themfrom being accidentally committed.Key findings:- Well-tested: pkg/errors (94.6%), pkg/raw (90.9%)- Gaps: cmd/*, internal/ghmcp (0%), GitHub Actions tools (0%)- Priority improvements needed for server initialization and  critical business logic paths

Improved overall test coverage from 58.7% to 63.3% (+4.6 percentage points)by adding 1,980 lines of comprehensive tests across 4 critical packages.New test files created:- internal/ghmcp/server_test.go (588 lines)  * Server initialization and configuration testing  * API host parsing for GitHub.com, GHEC, and GHES  * Authentication transport middleware  * Read-only mode and dynamic toolsets  * Coverage: 0% → 56.2%- internal/profiler/profiler_test.go (572 lines)  * Performance profiling functionality  * Memory delta calculations with overflow handling  * Global and instance profilers  * Environment variable configuration  * Coverage: 0% → 100%- pkg/buffer/buffer_test.go (328 lines)  * Ring buffer implementation for log processing  * Small, exact, and large log handling  * Overflow scenarios and wraparound logic  * Unicode and special character support  * Coverage: 0% → 96.2%- pkg/translations/translations_test.go (492 lines)  * Translation/i18n system testing  * Environment variable and JSON config overrides  * Translation key caching  * Export functionality  * Coverage: 0% → 87.5%Test highlights:- 150+ new test cases with comprehensive edge case coverage- Table-driven tests for parameterized scenarios- Mock implementations for HTTP transports- Concurrent access and error handling scenarios- Integration with testify/assert for cleaner assertionsAll tests passing across all packages.

Increased overall coverage from 63.3% to 64.5% (+1.2 percentage points).Added 789 lines of new tests across 2 test files.New test files:- pkg/github/dynamic_tools_test.go (425 lines)  * Dynamic toolset management tests  * Enable/disable toolset functionality  * List available toolsets  * Get tools from specific toolsets  * Integration tests for toolset workflows  * Coverage for dynamic toolset features: 0% → significant improvement- pkg/github/workflow_prompts_test.go (364 lines)  * IssueToFixWorkflow prompt testing  * Argument validation (owner, repo, title, description)  * Optional parameters (labels, assignees)  * Special character handling  * Message structure validation  * Workflow guidance verification  * Coverage: workflow_prompts.go 0% → 100%Test highlights:- 30+ test cases for dynamic toolsets- 15+ test cases for workflow prompts- Table-driven tests for multiple scenarios- JSON response parsing and validation- Error handling for missing/invalid toolsets- Integration tests between multiple componentsPackage coverage improvements:- pkg/github: 69.3% → 70.8% (+1.5%)- Overall: 63.3% → 64.5% (+1.2%)All tests passing successfully.

- Achieved 98.9% coverage (up from 40.2%)- Added tests for all previously uncovered functions- Tested error handling, panics, and edge cases- Includes complete workflow integration tests

- Achieved 93.3% coverage (up from 18.1%)- Tests for NewQueryMatcher and NewMutationMatcher with strings and structs- Tests for DataResponse, ErrorResponse, and input struct conversion- Comprehensive tests for NewMockedHTTPClient with various scenarios- Tests for query construction, argument handling, and GraphQL type generation- Overall project coverage improved from 65.6% to 67.9%

- Added tests for ListWorkflowRuns (now 100% coverage)- Added tests for GetWorkflowRun (now 100% coverage)- Added tests for GetWorkflowRunLogs (now 100% coverage)- Added tests for ListWorkflowJobs (now 100% coverage)- Added tests for RerunWorkflowRun (now 100% coverage)- Added tests for RerunFailedJobs (now 100% coverage)- pkg/github coverage improved from 70.8% to 74.2%- Overall project coverage improved from 67.9% to 70.6%

- Test all GetIssueFragment query type implementations (100% coverage)- Test getIssueQueryType with all combinations (100% coverage)- Test getCloseStateReason including default cases (100% coverage)- Test AssignCodingAgentPrompt handler (100% coverage)- Test ListAvailableToolsets with toolset group- pkg/github coverage improved from 74.2% to 74.4%- Overall project coverage improved from 70.6% to 70.9%

- Added tests for nil reader (returns EOF)- Added tests for nil writer (returns ErrClosedPipe)- Added tests for reading zero bytes (no logging)- pkg/log coverage improved from 81.8% to 100.0% ⭐

- Removed accidentally duplicated test functions- Tests still pass with full coverage maintained

- pkg/buffer: Add scanner error test -> 100% coverage- pkg/errors: Add tests for nil context and uninitialized context -> 100% coverage- pkg/raw: Add tests for newRequest and GetRawContent error paths -> 100% coverage- pkg/toolsets: Add tests for EnableToolsets edge cases (98.9%, remaining unreachable)- pkg/translations: Add tests for file creation and write errors -> 93.8% coverage

- Add tests for byte slice comparison in objectsAreEqual- Add test for json.Unmarshaler field in writeQuery- Remaining 2% is unreachable json.Marshal error handling

- Add tests for json.Marshal error (channel types)- Add tests for os.MkdirAll error (file blocking directory)- Add tests for os.WriteFile error (directory blocking file)- Remaining 3.8% is unreachable jd.ReadJsonString error on valid JSON

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