docs: align FESA agents with minimal reference cases

.codex/skills/fesa-cpp-msvc-tdd/SKILL.md

@@ -21,7 +21,9 @@ Read these first:
 
 ## Workflow
 
-1. For planning, convert upstream documents into small ordered tasks and test ids.
+1. For planning, use the project-local `harness` skill to convert upstream documents into a
+   user-approved multi-Step draft. Create `phases/` files only after approval and never run the
+   executor without a separate explicit request.
 2. For implementation, follow `RED -> GREEN -> VERIFY`.
 3. RED: write the planned unit, integration, parser/I/O, or reference-comparison test first.
 4. RED: run the targeted test and verify the expected failure before production code.
@@ -71,6 +73,8 @@ uv run --with pytest python -m pytest -v -rs
 - Do not run Abaqus, Nastran, or any reference solver.
 - Do not generate or modify Abaqus reference CSV files.
 - Do not approve release readiness.
+- During planning, do not block on canonical reference naming, README, metadata, provenance, or
+  an unrequested reference portfolio. Require only feature-declared input/CSV files, matching, and tolerance.
 
 ## Quality Gate