## Summary
- Updates E2E test snapshot for security review to use
`[[SYSTEM_MESSAGE]]` placeholder instead of the full system message
content
- Makes the test more stable and easier to maintain as system messages
evolve

## Test plan
- [x] Lint passes
- [x] All unit tests pass (810 tests)
- Snapshot update verified by running the E2E test that produced it

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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Co-authored-by: Will Chen <willchen90@gmail.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>