Gracefully handle Engine Drop with termination request

[EricLBuehler]

No description provided.

[github-actions]

Code Metrics Report

  ===============================================================================
 Language            Files        Lines         Code     Comments       Blanks
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 C Header                2           35           28            0            7
 Dockerfile              1           34           25            0            9
 Happy                   1          442          369            0           73
 JSON                   12          105          104            0            1
 Python                 46         2018         1718           62          238
 TOML                   20          620          546           11           63
 YAML                    2           21           19            2            0
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 Jupyter Notebooks       4            0            0            0            0
 |- Markdown             2           77           32           31           14
 |- Python               2          196          169            1           26
 (Total)                            273          201           32           40
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 Markdown               29         2072            0         1575          497
 |- BASH                 5          101           98            0            3
 |- JSON                 1           12           12            0            0
 |- Python               5           92           82            0           10
 |- Rust                 7          441          395           22           24
 |- TOML                 2           75           63            0           12
 (Total)                           2793          650         1597          546
-------------------------------------------------------------------------------
 Rust                  199        62325        56605         1143         4577
 |- Markdown           103          947           13          882           52
 (Total)                          63272        56618         2025         4629
===============================================================================
 Total                 317        67672        59414         2793         5465
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