Introduce a mechanism for blueprint-provided defaults #10814

Job	Run time
cpp-paths-filter	4s
docs-paths-filter	6s
python-paths-filter	4s
rust-paths-filter	6s
web-paths-filter	6s
Checks / Check if running codegen would produce any changes	1m 18s
Checks / Rerun lints	25s
Checks / Test Python Docs	26s
Checks / Lint markdown	18s
Checks / Misc formatting	26s
Checks / Check links	18s
Checks / Spell Check	8s
Update PR Body / Update PR body	15s
C++ tests	0s
Python Checks	0s
Deploy Landing Preview	0s
Build web viewer / Build web viewer	3m 0s
Build rerun_js / Build rerun_js	3m 10s
Rust Checks / Rust lints (fmt, check, clippy, tests, doc)	7m 0s
Rust Checks / Test on macOS and Windows	0s
Minimum CLI Build / Set Config (linux-x64)	7s
Minimum CLI Build / Build rerun-cli (ubuntu-latest-16-cores)	3m 59s
Upload Web / Upload web build to google cloud (wasm32 + wasm-bindgen)	8s
Save PR Summary / Create HTML summary for PR	35s
Minimum Wheel Build / Set Config (linux-x64)	2s
Minimum Wheel Build / Build Wheels (ubuntu-latest-16-cores)	2m 2s
Minimum Wheel Test / Set Config (linux-x64)	4s
Minimum Wheel Test / Test Wheels (ubuntu-latest-16-cores)	2m 37s
	26m 44s

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