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Amaury Levé
592a53008e
* skill-validator: restore 15K aggregate cap, document it as the real Copilot CLI skill-menu budget The per-plugin aggregate description cap had been raised 15,000 -> 20,000 -> 22,000 under the belief that 15K was 'a local repo policy, NOT a documented Copilot constraint'. That belief was wrong: the GitHub Copilot CLI renders the model-facing <available_skills> menu under a hard 15,000- char budget (the agent SDK's SKILL_CHAR_BUDGET, default 15e3, confirmed in CLI 1.0.36 and 1.0.61). Skills are listed alphabetically and emitted with their full <description> only until the budget is exhausted; every skill past the cut-off collapses to a bare name with no description and can no longer be reliably model-activated. Raising the validator cap merely masked this silent menu truncation — e.g. dotnet-test's run-tests and test-* skills stopped activating in plugin eval runs because they fell into the name-only overflow. Changes: - SkillProfiler.MaxAggregateDescriptionLength: 22,000 -> 15,000, with the comment rewritten to document the real Copilot CLI budget (and correct the prior 'not a documented constraint' claim). - CheckCommand aggregate now excludes skills marked 'disable-model-invocation: true' — the CLI drops those from the menu, so they do not consume the budget. This makes the cap satisfiable by hiding reference / agent-orchestrated primitives rather than only by trimming. - InvestigatingResults.md: document plugin-arm-only non-activation caused by skill-menu budget overflow, and how to fix it. Note: dotnet-test currently exceeds 15K and must be slimmed below it (via disable-model-invocation on reference/primitive skills plus description trims) before this cap can go green repo-wide. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * skill-validator: use source-generated regex for disable-model-invocation check Address review: replace Regex.IsMatch(pattern-string) with a [GeneratedRegex] partial method (AOT-friendly, no per-call cache lookup), matching FrontmatterParser's style. Runs once per skill during checks. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * skill-validator: parse disable-model-invocation via YAML to avoid block-scalar false positives The regex-based check matched any line in the frontmatter, so a block-scalar description that merely mentioned 'disable-model-invocation: true' on its own line was wrongly treated as disabling model invocation. Parse the frontmatter with the existing YAML deserializer (which correctly handles block scalars) by adding a DisableModelInvocation field to SkillFrontmatter, and drop the regex entirely. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>