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demo: omit delivery tag when cfg has no apply_mode (fixes MeanDiffC baseline crash)

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show_steer's header assumed vec.cfg.apply_mode, but steering-lite's own configs
(MeanDiffC persona baseline) don't have it -- only jsteer's configs do. getattr
-> None -> no tag, so the mean_diff cell in persona_steering runs again.

Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>
This commit is contained in:
wassname
2026-07-10 21:00:41 +08:00
co-authored by Claudypoo
parent 554af789e1
commit f65e39ed66
1 changed files with 6 additions and 2 deletions
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jsteer/demo.py
+6 -2
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@@ -56,9 +56,13 @@ def show_steer(jac: Jacobian, model, tok, vec, user_msg: str, *,
prompt = chat_input(tok, user_msg)
enc = tok(prompt, return_tensors="pt").to(model.device)
name = getattr(model.config, "name_or_path", "model").split("/")[-1]
# header carries name/method/delivery/prompt once; per-C blocks only vary in C
# header carries name/method/delivery/prompt once; per-C blocks only vary in C.
# steering-lite's own configs (e.g. MeanDiffC baseline) have no apply_mode, so
# only jsteer vectors show a delivery tag.
delivery = getattr(vec.cfg, "apply_mode", None)
tag = f" · delivery={delivery}" if delivery else ""
rule = "=" * 72
logger.info(f"\n\n{rule}\n{name} · method={vec.cfg.method} · delivery={vec.cfg.apply_mode}"
logger.info(f"\n\n{rule}\n{name} · method={vec.cfg.method}{tag}"
f"\nprompt: {user_msg!r}\n{rule}")
# SHOULD: C=0 is the baseline; +C tilts the lens tokens and tone toward the
# concept, -C away; all stay coherent (gibberish = coeff too large).