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human handoffs

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This commit is contained in:
debu-2 2026-10-06 01:51:23 +05:30
parent 79188e0f59
commit 36a55930f9
35 changed files with 4039 additions and 139 deletions
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16
backend/app/services/subject_normalize.py Normal file
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import re
_PREFIX_PATTERN = re.compile(
r"^(?:(?:re|fw|fwd)\s*(?:\[\d+\])?\s*:\s*)+",
flags=re.IGNORECASE,
)
def normalize_subject(subject: str | None) -> str:
value = (subject or "").strip()
while True:
next_value = _PREFIX_PATTERN.sub("", value, count=1).strip()
if next_value == value:
break
value = next_value
return re.sub(r"\s+", " ", value).strip().lower()