🧪 [Testing] Add edge case test for short text parts in parse_raw_response_to_classifications

[ishaanxgupta]

🎯 What: I added an edge-case test for the condition if len(parts) < 2: inside the parse_raw_response_to_classifications method in src/utils/text.py. Since a previous check if LLM_TAB_SEPARATOR not in line: inherently guarantees standard string operations will yield len(parts) >= 2, I simulated the impossible scenario using a MockStr mock object.

📊 Coverage: The test explicitly triggers the branch that ignores lines if splitting by the separator somehow results in less than 2 parts, providing code coverage and protecting against regressions.

✨ Result: A new unit test was added, increasing test coverage for the fallback/defensive logic inside the text extraction utilities.

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PR created automatically by Jules for task 4330361933607348673 started by @ishaanxgupta

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