docs: update CLAUDE.md — CRS is now required, add workflow/ subdir to structure

CLAUDE.md

@@ -20,7 +20,7 @@ This is the **CRS reference config repo** for the agent-runtimes platform. It is
 | Model scoring / selection | `agent-runtimes/lib/model_selector.py` |
 | Spec, tests, entrypoint | `agent-runtimes` only |
 
-The `harnesses/` directory in `agent-runtimes` is the local-dev fallback used before CRS is live. For production, this repo is authoritative.
+This repo is authoritative for all harness, template, workflow, and model content. `agent-runtimes` no longer ships harness/template/model content — CRS is required for any content resolution (local dev or production).
 
 ## Repository Structure
 
@@ -45,6 +45,7 @@ harnesses/
     planning-opus-repo/v1/
     ...
 task-templates/          # dispatch-task --template <name> YAML files
+  workflow/              # Typed workflow task templates (<name>@<version>.yaml)
 workflows/               # Workflow DAG definitions
 model-registry/          # Model scoring YAMLs (capability dimensions)
 models/                  # Model endpoint YAMLs (URLs, auth, parameters)