starknet_os: os resources test - l1 handler tx calldata factor

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• starknet_os: os resources test - l1 handler tx calldata factor #14152 👈 (View in Graphite)
• starknet_os: os resources test - deploy account tx calldata factor #14151
• starknet_os: os resources test - invoke tx calldata factor #14150
• starknet_os: os resources test - l1 handler tx constant factor #14149
• starknet_os: os resources test - deploy account tx constant factor #14148
• starknet_os: os resources test - declare tx #14147
• starknet_os: os resources test - invoke tx constant factor #14146 : 1 other dependent PR (#14415 )
• starknet_os: os resources test - extract setup_test_builder #14145
• starknet_os: os resources test - add secp syscalls #14144 : 1 other dependent PR (#14255 )
• starknet_os: os resources test - add send_message_to_l1 #14143 : 1 other dependent PR (#14153 )
• starknet_os: os resources test - add replace_class #14142
• starknet_os: os resources test - support virtual builtins, add sha256 #14141
• starknet_os: define sha256 batch resources constants #14140
• starknet_os: os resources test - add keccak #14139
• starknet_os: os resources test - add 3 more syscalls #14138
• starknet_os: os resources test - remove all fee transfer syscalls #14137
• starknet_os: os resources test - add emit event #14136
• starknet_os: os resources test - add meta tx #14135
• starknet_os: os resources test - measure linear factor, add deploy #14134
• starknet_os: os resources test - library call #14129
• starknet_os: initial test, measure call contract resources #14128
• blockifier_test_utils: add option to deploy from zero in test accounts #14258
• starknet_os_flow_tests: helper function to declare explicit classes #14257
• starknet_os: os resources test - create fixed deployable account #14173
• main

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PR Summary

Low Risk
Test-only change to OS resource regression measurement and expected versioned-constants snapshot; no production execution path changes.

Overview
Extends test_execute_txs_inner_resources so L1 handler OS overhead is measured with base vs. extra calldata, not a single aggregate.

Adds a second L1 handler tx (one extra calldata element), bumps N_TXS to 7, and splits trace overhead into l1_handler_base and l1_handler_extra. Versioned constants for TransactionType::L1Handler now set constant to the base overhead and calldata_factor to Unscaled(extra − base), removing the prior TODO. The test still snapshots the latest VC JSON via expect_file!.

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