feat: add mempool integration with execution sync and error isolation #546

Job	Run time
Cargo Deny (Security)	46s
Detect Changes	7s
Clippy	1m 16s
Code Coverage	26m 14s
Build Release	5m 46s
Check	1m 12s
Test Suite (ubuntu-latest, x86_64-unknown-linux-gnu, Linux x86_64)	26m 27s
Rustfmt	5s
Test Suite (macos-latest, aarch64-apple-darwin, macOS ARM64)	24m 12s
	1h 26m 5s

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