Count repeated hedged claims

[mmaxjr]

Closes #7

Summary

• count every hedge occurrence instead of stopping after the first match per pattern
• add a regression test for the same hedge appearing three times

Verification

• python -m pytest tests/test_agentrace.py::test_repeated_hedged_claims_are_counted -q
• python -m pytest -q
• python -m py_compile agentrace\checks.py tests\test_agentrace.py

[royalpinto007]

Merged, thanks @mmaxjr. Dropping the break is exactly right, and the regression test for the same hedge appearing three times is the part I would have forgotten. Verified locally: 18 tests pass.

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