chore: update fullsend shim workflow

[fullsend-ai-fullsend]

This PR updates the fullsend shim workflow to match the current template in the .fullsend config repo.

The shim content has drifted from the template — this brings it back in sync.

[fullsend-ai-review]

🤖 Finished Review · ✅ Success · Started 8:48 AM UTC · Completed 8:53 AM UTC
Commit: 7c8ccca · View workflow run →

[codecov]

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✅ All modified and coverable lines are covered by tests.

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unit-tests	100.00% <ø> (ø)

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[fullsend-ai-review]

Review — comment

Summary

This PR removes the Apache 2.0 license header (14 lines, including the SPDX identifier) from .github/workflows/fullsend.yaml to sync the shim workflow with the upstream template in the .fullsend config repo.

The change is comment-only — no functional impact to the workflow definition. However, it conflicts with the repository's own license-header enforcement.

Findings

⚠ License header removal breaks CI lint check — medium

File: .github/workflows/fullsend.yaml

The repository enforces license headers on all files via addlicense -check (invoked by make lint, which is part of make ci). All 8 other workflow files in .github/workflows/ have the standard header:

# Copyright The Conforma Contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# ...
# SPDX-License-Identifier: Apache-2.0

Removing the header from fullsend.yaml causes the pre-merge-ci workflow to fail — the all-tests-and-checks job's "Run checks" step (make ci) is currently failing on this PR.

Remediation options:

1. Keep the license header — restore the removed block (and optionally add the missing Copyright The Conforma Contributors line to match the exact format used by other workflow files).
2. Exclude the file from addlicense — add -ignore '.github/workflows/fullsend.yaml' to the LICENSE_IGNORE variable in the Makefile if the intent is for this file to remain header-free and template-managed. This would need to be a deliberate project decision.

Dimensions reviewed

Dimension	Result
Correctness	✅ No issues — comment-only change, no logic affected
Security	✅ No issues — no changes to permissions, triggers, or secrets handling
Intent & coherence	⚠ Intent is clear (template sync), but conflicts with repo conventions
Style/conventions	⚠ License header inconsistency with all other workflow files; CI lint failure
Documentation	✅ No documentation impact
Cross-repo contracts	✅ No API or interface changes

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Labels: PR modifies a GitHub Actions workflow file