102 task add GridCell model #273

Job	Run time
ruff	9s
mypy	25s
unit (ubuntu-latest, 3.11, highest)	2m 19s
unit (windows-latest, 3.13, lowest-direct)	2m 39s
unit (ubuntu-latest, 3.12, highest)	2m 29s
unit (windows-latest, 3.13, highest)	3m 0s
unit (windows-latest, 3.11, highest)	2m 46s
unit (windows-latest, 3.12, lowest-direct)	2m 54s
unit (ubuntu-latest, 3.13, lowest-direct)	2m 45s
unit (ubuntu-latest, 3.11, lowest-direct)	2m 18s
unit (windows-latest, 3.12, highest)	2m 38s
unit (macos-latest, 3.12, highest)	1m 39s
unit (macos-latest, 3.13, lowest-direct)	1m 57s
unit (macos-latest, 3.12, lowest-direct)	1m 46s
unit (ubuntu-latest, 3.13, highest)	2m 28s
unit (ubuntu-latest, 3.12, lowest-direct)	2m 23s
unit (macos-latest, 3.13, highest)	1m 31s
unit (macos-latest, 3.11, highest)	2m 30s
unit (macos-latest, 3.11, lowest-direct)	2m 5s
unit (windows-latest, 3.11, lowest-direct)	2m 52s
coverage	10s
	43m 43s

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