v1.1.1 — 100% Test Coverage

What's Changed

• ✅ 100% test coverage across all metrics (statements, branches, functions, lines)
• Added 3 new branch coverage tests for fhir-client.ts
• Removed unreachable optional-chaining branch in fhir-client.ts
• Collapsed dead-code conditional in GenerateAppealTool.ts
• Enforced 100% branch threshold in jest.config.ts

Test results: 105 tests, 10 suites, all passing