chore: establish local platform baseline

migrations/000033_agent_quality_evidence.up.sql

@@ -0,0 +1,11 @@
+BEGIN;
+
+ALTER TABLE ops_config_evaluation
+    ADD COLUMN evidence_type varchar(32) NOT NULL DEFAULT 'GENERIC',
+    ADD CONSTRAINT ops_config_evaluation_type_check
+        CHECK (evidence_type IN ('GENERIC', 'AGENT_QUALITY_V1'));
+
+CREATE INDEX ops_config_evaluation_type_result_idx
+    ON ops_config_evaluation(tenant_id, config_version_id, evidence_type, result, evaluated_at DESC);
+
+COMMIT;