Teach agents to validate calls before fan-out

Author: Grace Lee Rui Yue

.agents/skills/jacobian-math/SKILL.md

@@ -48,6 +48,8 @@ known. When discovery exposes recovery paths, follow those fields (for example,
 `remove_unknown_domain_filter`, `remove_filters`, or `reformulate_query`) before
 treating absence as final. After invalid input, correct the reported constraint
 and retry within the task resource bounds as further errors appear. If one
+payload shape will be repeated in parallel, run one canary call first; fan out
+only after it succeeds. If one
 provider is unavailable, continue with other installed routes that can produce
 the outcome. Treat timeouts as non-conclusions. Accept only a completed result
 whose scope covers the input, and carry forward the smallest decisive value,

npm/skills/jacobian-math/SKILL.md

@@ -48,6 +48,8 @@ known. When discovery exposes recovery paths, follow those fields (for example,
 `remove_unknown_domain_filter`, `remove_filters`, or `reformulate_query`) before
 treating absence as final. After invalid input, correct the reported constraint
 and retry within the task resource bounds as further errors appear. If one
+payload shape will be repeated in parallel, run one canary call first; fan out
+only after it succeeds. If one
 provider is unavailable, continue with other installed routes that can produce
 the outcome. Treat timeouts as non-conclusions. Accept only a completed result
 whose scope covers the input, and carry forward the smallest decisive value,

tests/unit/tooling/test_codex_visibility.py

@@ -197,10 +197,11 @@ def test_codex_skill_routes_exact_outcomes_without_catalog_projection() -> None:
         "composing already-known supporting operations remains allowed",
         "follow those fields",
         "retry within the task resource bounds",
+        "run one canary call first; fan out only after it succeeds",
         "continue with other installed routes",
         "completeness, and open obligations",
     ):
-        assert guidance in skill
+        assert guidance in skill_flat
 
 
 def test_visibility_classification_records_adoption_without_grading_shell(