Description

Fixes error handling when an AI gateway fails.

• f2937ea OnStepFinished() lifecycles now run after response handling. Before Gateways #1962, the response from an SDK contained everything we would need to build appropriate traces. Following Gateways #1962, gateway requests are made during handling of opcodes, meaning we must wait for them to be fully handled before writing any spans
• 1dac722 Sets a more compliant userland error when the gateway fails, making sure it's in the proper format and parseable by the UI too
• 2808d84 Use the same new userland error to save to state, making sure what we see in the UI lines up with what the SDK sees

Type of change (choose one)

• Chore (refactors, upgrades, etc.)
• Bug fix (non-breaking change that fixes an issue)
• Security fix (non-breaking change that fixes a potential vulnerability)
• Docs
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality not to work as expected)

Checklist

• I've linked any associated issues to this PR.
• I've tested my own changes.

Related

• Gateways #1962

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