import RAIN_FLOW_SENTINEL from V5 in IFlowV5.t.sol

[thedavidmeister]

Summary

The V5 sentinel test was importing RAIN_FLOW_SENTINEL directly from src/interface/deprecated/v4/IFlowV4.sol, bypassing the V5 re-export. A future change to V5's re-export of the sentinel would not be caught by the V5 test.

Switching the import to IFlowV5.sol makes the test exercise the documented V4 → V5 re-export chain.

Closes #419.

Test plan

• testSentinelValue passes against the V5 import

🤖 Generated with Claude Code

Summary by CodeRabbit

• Tests
  • Updated test imports to reference the current interface version, ensuring test infrastructure remains aligned with the latest codebase.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 700e59e7-2e94-4f45-b4fb-85d1b05bccc7

📥 Commits

Reviewing files that changed from the base of the PR and between ceaea3c and 4d43224.

📒 Files selected for processing (1)

• test/interface/IFlowV5.t.sol

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Walkthrough

The PR updates test/interface/IFlowV5.t.sol to import RAIN_FLOW_SENTINEL from the current v5 interface module (src/interface/IFlowV5.sol) instead of the deprecated v4 module path. The sentinel value assertion logic remains unchanged.

Changes

Import Path Correction

Layer / File(s)	Summary
V5 Sentinel Import test/interface/IFlowV5.t.sol	Import statement corrected from deprecated v4 path to v5 interface module; test assertion for sentinel value verification is preserved.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely describes the main change: updating the import source of RAIN_FLOW_SENTINEL from V4 to V5 in the test file.
Linked Issues check	✅ Passed	The PR successfully addresses issue #419 by changing the import in test/interface/IFlowV5.t.sol to import RAIN_FLOW_SENTINEL from src/interface/IFlowV5.sol instead of the deprecated V4 path.
Out of Scope Changes check	✅ Passed	All changes are directly related to the PR objective; only the import statement in IFlowV5.t.sol was modified, with no extraneous or unrelated changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch 2026-05-07-issue-419-iflowv5-test-sentinel-import

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