Implement governance workflows and close WP-0008

projects/coulomb-pricing/tests/test_api.py

@@ -33,6 +33,9 @@ def test_dashboard_payload_contains_live_ledger_totals() -> None:
     assert payload["provider_publication"]["provider"] == "stripe"
     assert payload["provider_publication"]["model_id"] == "flat-899-eur-monthly"
     assert payload["provider_publication"]["plan"]["summary"].startswith("stripe:")
+    assert payload["governance"]["policy"]["policy_id"] == "coulomb-governance-v1"
+    assert payload["governance"]["publication_assessment"]["decision"] == "approval_required"
+    assert payload["governance"]["safe_tuning_contracts"]
     assert len(payload["boundary_validation"]["model_results"]) == 3
     assert payload["boundary_validation"]["policy"]["target_margin_pct"] == "15"
     assert any(
@@ -40,6 +43,7 @@ def test_dashboard_payload_contains_live_ledger_totals() -> None:
         for result in payload["boundary_validation"]["model_results"]
     )
     assert payload["recommendations"]
+    assert all("confidence" in item and "governance" in item for item in payload["recommendations"])
 
 
 def test_payload_json_is_valid() -> None:

projects/coulomb-pricing/tests/test_governance.py

@@ -0,0 +1,48 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from observatory.api import build_dashboard_payload
+
+DATA_DIR = Path(__file__).resolve().parent.parent / "data"
+
+
+def test_governance_payload_contains_policy_health_and_audit_surfaces() -> None:
+    payload = build_dashboard_payload(DATA_DIR, "2026-06")
+    governance = payload["governance"]
+
+    assert governance["policy"]["policy_id"] == "coulomb-governance-v1"
+    assert governance["publication_assessment"]["decision"] == "approval_required"
+    assert governance["audit_surface"]["provider"] == "stripe"
+    assert governance["audit_surface"]["revision_count"] == 0
+    assert any(
+        check["id"] == "provider-execution-health" and check["status"] == "warn"
+        for check in governance["health_checks"]
+    )
+
+
+def test_safe_tuning_contract_stays_pilot_only_and_hides_customer_visibility() -> None:
+    payload = build_dashboard_payload(DATA_DIR, "2026-06")
+    contract = next(
+        item
+        for item in payload["governance"]["safe_tuning_contracts"]
+        if item["model_id"] == "membership-plus-overage"
+    )
+
+    assert contract["mode"] == "pilot_only"
+    assert contract["customer_visible"] is False
+    assert any(example["outcome"] == "accepted" for example in contract["examples"])
+    assert all(example["visible_to_customer"] is False for example in contract["examples"])
+
+
+def test_recommendations_include_governed_execution_gate() -> None:
+    payload = build_dashboard_payload(DATA_DIR, "2026-06")
+    execution_gate = next(
+        item for item in payload["recommendations"] if item["id"] == "execution-governance-gate"
+    )
+
+    assert execution_gate["recommendation_type"] == "execution"
+    assert execution_gate["governance"]["decision"] == "approval_required"
+    assert execution_gate["confidence"] == "0.88"
+    assert execution_gate["risks"]
+    assert execution_gate["supporting_observations"]