## Task\n\nImplement TPM extended handlers:\n- `get_feature_info`\n- `register`\n- `unregister`\n- `finish`\n- `deinit`\n\nAdd TPM2_Startup test helper for E2E command execution coverage. Fix panic on invalid MessageID. Add unit tests for all extended handlers.\n\n## Files\n- `ec-service-lib/src/services/tpm.rs`\n\n## PR\n- #58\n\n## Parent\nPart of #60
Task\n\nImplement TPM extended handlers:\n-
get_feature_info\n-register\n-unregister\n-finish\n-deinit\n\nAdd TPM2_Startup test helper for E2E command execution coverage. Fix panic on invalid MessageID. Add unit tests for all extended handlers.\n\n## Files\n-ec-service-lib/src/services/tpm.rs\n\n## PR\n- #58\n\n## Parent\nPart of #60