ci(foundry): add forge build cache + 45min timeout#123
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Foundry CI on main has been dying with exit 143 (SIGTERM) at the 'Run Forge build' step around 17min — symptoms consistent with the runner OOM-killing solc on a 220-file via-IR build. Adds an actions/cache@v4 step pinned to foundry.toml + soldeer.lock + src/test/script/dependencies hashes, restoring incremental forge build state across runs. Also pins a 45min timeout so we get a clear timeout signal instead of a generic SIGTERM if a future build genuinely runs over. If this still OOMs after the cache lands, next step is to switch to a larger runner (ubuntu-latest-l) once that's enabled for the org.
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Foundry CI has been failing on main with exit 143 (SIGTERM) at
Run Forge buildafter ~17min — symptoms of solc OOM on the 220-file via-IR compile.This adds:
actions/cache@v4keyed onfoundry.toml+soldeer.lock+src/test/script/dependenciescontent hashes, persistingcache/andout/between runs so unchanged files don't recompile.timeout-minutes: 45so future genuine timeouts surface as timeout errors rather than ambiguous SIGTERM exits.Doesn't change runner size — keeping
ubuntu-latestsince I don't know if larger runners are enabled for the org. If this still OOMs even with cache, the follow-up is to switch toubuntu-latest-lor split the build profile.