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LangBot/tests/unit_tests
Junyan Qin 68bd786f39 fix(skill): re-inject skill index into local-agent system prompt
The contributor's original PR (#1917) appended an ``Available Skills``
index to the system prompt before the LLM saw the user message, so the
LLM could decide whether to activate a skill. ``7145447b`` removed the
text-marker activation flow and, together with it, the entire system
prompt injection — but the Tool Call replacement only put the available
skills inside the ``activate`` tool's description. In practice the LLM
ignores tool descriptions for selection and goes straight to native
tools, so user-visible skill activation silently broke.

Restore the injection, adapted for the Tool Call era:

- SkillManager regains ``get_skill_index(bound_skills)`` and
  ``build_skill_aware_prompt_addition(bound_skills)``. The addendum
  carries only ``name (display_name): description`` for each
  pipeline-visible skill plus one instruction line pointing at the
  ``activate`` tool. No SKILL.md contents — KV cache stays clean
- PreProcessor appends the addendum to the first system message (or
  inserts a new one) of ``query.prompt.messages`` for the local-agent
  runner. Handles plain-string and ContentElement[] bodies. Skips
  cleanly when no skills are visible
- 3 new test_preproc cases: injection happens, bound-skills subset
  honoured, empty addendum touches nothing. 280 passed

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-20 22:37:20 +08:00
..
2026-03-06 21:54:38 +08:00