refactor: make coordinator the main workflow agent

.codex/skills/fesa-io-contract/SKILL.md

@@ -13,10 +13,11 @@ Read these first:
 
 - `AGENTS.md`
 - `docs/SOLVER_AGENT_DESIGN.md`
-- `docs/io-definitions/README.md`
-- `docs/requirements/<feature-id>.md`
-- `docs/formulations/<feature-id>-formulation.md`
-- Numerical review and reference model documents when present
+- `docs/<feature-id>/requirements.md`
+- `docs/<feature-id>/research.md`
+- `docs/<feature-id>/formulation.md`
+- `docs/<feature-id>/numerical-review.md`
+- `docs/<feature-id>/reference-model.md`
 
 ## Workflow
 
@@ -34,7 +35,7 @@ Read these first:
 
 ## Output Contract
 
-Produce or revise `docs/io-definitions/<feature-id>-io.md` with:
+Produce or revise `docs/<feature-id>/io.md` with:
 
 - Abaqus Input Scope
 - Syntax Policy
@@ -63,7 +64,8 @@ Produce or revise `docs/io-definitions/<feature-id>-io.md` with:
   deterministic matching, and missing/extra/duplicate/nonfinite prechecks. Never match by row order alone.
 - Unsupported Abaqus input is explicit: unsupported, ignored-with-warning, or requires user decision.
 - The I/O contract is compatible with requirements, formulation, and reference comparison needs.
+- The final HDF5 projection maps every approved logical quantity and source identity from `docs/<feature-id>/reference-model.md` to deterministic dataset and CSV component identities.
 
 ## Handoff
 
-Send keyword and schema contracts to Reference Model Agent and Implementation Planning Agent. Send HDF5 dataset paths, reference CSV row schemas, ID matching, and tolerance-source constraints to Reference Verification Agent.
+Return `docs/<feature-id>/io.md`, status, evidence summary, and blockers to Coordinator Agent. Route the final HDF5 projection, parser/schema contracts, exact CSV paths, source-ID/component matching, row prechecks, and tolerance-source constraints to Implementation Planning Agent through Coordinator Agent.