feat(sp40): edifabric.api_key secret wiring + dev fixture

backend/src/cyclone/secrets.py

@@ -155,4 +155,10 @@ def has_keyring() -> bool:
 # ``CYCLONE_SFTP_PASSWORD`` (env var).
 _ENV_NAME_FOR: dict[str, str] = {
     "sftp.gainwell.password": "CYCLONE_SFTP_PASSWORD",
+    # SP40: Edifabric /v2/x12/validate API key. Operator supplies a
+    # paid tier key for production; the dev/CI path reads the free
+    # ``EdiNation Developer API`` provisional key from
+    # ``tests/fixtures/edifabric_api_key.txt`` (gitignored copy in
+    # production deployments — see Task 6 plan).
+    "edifabric.api_key": "CYCLONE_EDIFABRIC_API_KEY",
 }

backend/tests/fixtures/edifabric_api_key.txt

@@ -0,0 +1,16 @@
+# SP40: dev-only public eval key for the EdiNation / Edifabric
+# /v2/x12/validate reference parser. This key has hit the public
+# evaluation docs and is documented as a "developer API" provisional
+# key — fine for local CI / smoke tests, never ship to production.
+#
+# Production deployments MUST override via the secrets layer:
+#
+#   cyclone secrets set edifabric.api_key <paid-tier-key>
+#   # or
+#   export CYCLONE_EDIFABRIC_API_KEY_FILE=/path/to/paid-key.txt
+#
+# The fixture is referenced by name so the URL-reminder route survives
+# refactors; the actual key isn't sent over the wire because every
+# test patches edifabric.set_transport_factory() and secrets.get_secret
+# before invoke.
+3ecf6b1c5cf34bd797a5f4c57951a1cf

backend/tests/test_secrets_edifabric.py

@@ -0,0 +1,49 @@
+"""SP40: tests for the edifabric.api_key secret wiring.
+
+Specifically: the ``_ENV_NAME_FOR`` table maps ``edifabric.api_key``
+to ``CYCLONE_EDIFABRIC_API_KEY`` so operators can configure via env
+var (or via file companion per ``secrets.get_secret``'s
+``<env_name>_FILE`` form) without touching the macOS Keychain.
+"""
+from __future__ import annotations
+
+from pathlib import Path
+
+
+def test_env_name_for_maps_edifabric_api_key():
+    from cyclone.secrets import _ENV_NAME_FOR
+    assert _ENV_NAME_FOR["edifabric.api_key"] == "CYCLONE_EDIFABRIC_API_KEY"
+
+
+def test_get_secret_reads_edifabric_key_from_env(monkeypatch):
+    """With the env var set, ``get_secret('edifabric.api_key')``
+    returns it without touching the Keychain."""
+    monkeypatch.setenv("CYCLONE_EDIFABRIC_API_KEY", "test-env-key-9876")
+
+    from cyclone import secrets
+    assert secrets.get_secret("edifabric.api_key") == "test-env-key-9876"
+
+
+def test_get_secret_reads_edifabric_key_from_file(monkeypatch, tmp_path):
+    """With ``<env_name>_FILE`` set, ``get_secret`` reads the key from
+    the file (no Keychain touch). Mirrors the existing SFTP password
+    file-companion pattern (SP25)."""
+    key_file = tmp_path / "edi_key"
+    key_file.write_text("file-companion-key-5555\n")
+    monkeypatch.setenv("CYCLONE_EDIFABRIC_API_KEY_FILE", str(key_file))
+
+    from cyclone import secrets
+    assert secrets.get_secret("edifabric.api_key") == "file-companion-key-5555"
+
+
+def test_dev_fixture_file_exists_and_contains_eval_key():
+    """The dev-only fixture exists at the documented path so the
+    eval key is referenceable; the CI mocks intercept before any
+    real HTTP happens."""
+    fixture = Path("tests/fixtures/edifabric_api_key.txt")
+    assert fixture.exists(), (
+        f"dev-only Edifabric API key fixture is missing at {fixture}"
+    )
+    contents = fixture.read_text().strip()
+    # Public eval key from the EdiNation API docs.
+    assert "3ecf6b1c5cf34bd797a5f4c57951a1cf" in contents