Add CLA workflow, CONTRIBUTING note, and align copyright header format

scripts/deploy-managed-agent.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2026 Anthropic PBC.
+# Copyright 2026 Anthropic PBC
 # SPDX-License-Identifier: Apache-2.0
 # Deploy a managed-agent template to POST /v1/agents.
 #

scripts/lint-tool-scope.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2026 Anthropic PBC.
+# Copyright 2026 Anthropic PBC
 # SPDX-License-Identifier: Apache-2.0
 """Assert orchestrator `agent.yaml` files ship with scoped tool configs.
 

scripts/orchestrate.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2026 Anthropic PBC.
+# Copyright 2026 Anthropic PBC
 # SPDX-License-Identifier: Apache-2.0
 """Reference event loop for cross-agent handoffs between managed agents.
 

scripts/test-cookbooks.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2026 Anthropic PBC.
+# Copyright 2026 Anthropic PBC
 # SPDX-License-Identifier: Apache-2.0
 # Dry-run every managed-agent cookbook and assert the resolved POST /v1/agents
 # bodies are well-formed: valid JSON, depth-1, non-empty system prompts, no

scripts/validate.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright 2026 Anthropic PBC.
+# Copyright 2026 Anthropic PBC
 # SPDX-License-Identifier: Apache-2.0
 """Harness-side schema validation for managed-agent worker output.