This provides default values for the following flags
* poll-interval
* sub-safety-margin

These flags are likely to be overridden by users, but they do not have to
be and we can provide sensible defaults rather than requiring them.

op-program: Handle pre-images that already exist

op-e2e: Add actual transactions to the FPP system test

feat(docs/op-stack): Add op-proposer

op-program: Add retrying to L1 and L2 fetchers

The exact same receipt RLP may result from different transactions in different blocks so ErrAlreadyExists must be handled when storing trie nodes.

chore(contracts-bedrock): ResourceConfig Sherlock Test

add changeset for standard bridge sdk change

Co-authored-by: Will Cory <willcory10@gmail.com>

FE-1002: supportsTokenPair should return false whenever the check catches an error

Co-authored-by: Will Cory <willcory10@gmail.com>

op-e2e: Disable TestSystemMockP2P

docs: remove outdated reset comment

op-e2e: Extract system test helpers

op-node: Reader/Writer API for marshaling code

sdk: fix withdrawal bug

contracts-bedrock: fix compiler warning