feat: Add a foundational set of BMM, BMB, TEA, and Core workflows, agent definitions, and supporting templates.

_bmad/tea/workflows/testarch/automate/workflow-plan.md

@@ -0,0 +1,20 @@
+    # Workflow Plan: testarch-automate
+
+    ## Create Mode (steps-c)
+    - step-01-preflight-and-context.md
+
+- step-02-identify-targets.md
+- step-03-generate-tests.md
+- step-04-validate-and-summarize.md
+
+  ## Validate Mode (steps-v)
+  - step-01-validate.md
+
+  ## Edit Mode (steps-e)
+  - step-01-assess.md
+  - step-02-apply-edit.md
+
+  ## Outputs
+  - {test_artifacts}/automation-summary.md
+
+- Test files under {project-root}/tests