Teknium
26 lines
1.4 KiB
Python
26 lines
1.4 KiB
Python
"""Boundary repair for providers that stream reasoning as discrete summary parts.
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Reasoning-summary models (OpenAI gpt-5.x and Responses-API relays onto the chat wire) emit one
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``reasoning_content`` delta per *completed* summary part, each opening with a bold heading.
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The chat wire lacks the Responses API's ``summary_index`` delimiter (verified live on Nous
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Portal ``openai/gpt-5.6-sol``), so plain concatenation glues ``**One****Two**`` into one
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half-bold paragraph. The boundary is re-derived from a delta opening a bold heading, matching
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the blank-line join Hermes' own Responses adapter does.
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"""
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from __future__ import annotations
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__all__ = ["separate_glued_reasoning_blocks"]
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def separate_glued_reasoning_blocks(previous: str, delta: str) -> str:
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"""Return *delta*, prefixed with a paragraph break when it glues onto *previous*.
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A break is inserted when *delta* opens a *closed* bold heading and *previous* is mid-line
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(heading butting heading, or prose butting heading). Token-streamed reasoning is left
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alone: its deltas carry their own whitespace, and a fragment that merely opens emphasis
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(``**`` alone) is not a part boundary — summary parts carry the whole heading in one delta.
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"""
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glued = previous and delta and not previous[-1].isspace() and delta.startswith("**") and "**" in delta[2:]
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return f"\n\n{delta}" if glued else delta
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