fix(tools/talis): wait-for-chain + atomic keyring + one-command driver#3303

Draft

walldiss wants to merge 11 commits intoevstack:julien/fiberfrom

walldiss:feat/talis-fibre-fixes

Commits on May 1, 2026

fix(tools/talis): wait-for-chain + atomic keyring + one-command driver
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fix(tools/talis): finalize fibre setup race fixes

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fix(fibre): bound submitter memory to avoid 64 GiB OOM under load

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feat(fibre): log per-Submit upload duration

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fix(fibre): split DA Submit batches at Fibre's 128 MiB upload cap

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fix(evnode-fibre): cap per-block data at 100 MiB to fit a Fibre upload

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fix(evnode-fibre): enforce maxBytes in inMemExecutor.FilterTxs

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