diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7e4bb6..daaec8a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -116,9 +116,9 @@ jobs:
 
           docker compose --env-file .env.example --profile tools run --rm migrate
 
-          # F5.1 intentionally ends with zero operational/domain instances. The
-          # technical family and finding masters remain, but territory preload,
-          # imports, applicability links and old audits are deliberately gone.
+          # F5.1 performs the historical clean start. F6.1 then seeds only the
+          # presentation territory approved by DH: 7 Departamentos, 64 Áreas,
+          # 230 Yacimientos and 12 real Empresas.
           docker compose --env-file .env.example exec -T db \
             psql -v ON_ERROR_STOP=1 -U dhv2_owner -d dhv2 <<'SQL'
           DO $$
@@ -128,6 +128,7 @@ jobs:
             audits integer;
             applicability integer;
             territory_sources integer;
+            presentation_sources integer;
             source_installations integer;
             source_subinstallations integer;
             source_findings integer;
@@ -149,18 +150,18 @@ jobs:
             END IF;
 
             SELECT COUNT(*) INTO domain_assets FROM assets;
-            IF domain_assets <> 0 THEN
-              RAISE EXCEPTION 'F5.1 clean start must contain 0 Assets, got %', domain_assets;
+            IF domain_assets <> 313 THEN
+              RAISE EXCEPTION 'F6.1 presentation preload must contain 313 Assets, got %', domain_assets;
             END IF;
 
             SELECT COUNT(*) INTO audits FROM audit_events;
             IF audits <> 0 THEN
-              RAISE EXCEPTION 'F5.1 clean start must contain 0 audit events, got %', audits;
+              RAISE EXCEPTION 'F6.1 presentation preload must start with 0 audit events, got %', audits;
             END IF;
 
             SELECT COUNT(*) INTO applicability FROM finding_catalog_item_inventory_families;
             IF applicability <> 0 THEN
-              RAISE EXCEPTION 'F5.1 clean start must contain 0 finding applicability links, got %', applicability;
+              RAISE EXCEPTION 'Clean migration rehearsal must contain 0 finding applicability links, got %', applicability;
             END IF;
 
             SELECT COUNT(*) INTO territory_sources
@@ -170,13 +171,20 @@ jobs:
               RAISE EXCEPTION 'F5.1 must remove the old territory source preload, got % rows', territory_sources;
             END IF;
 
+            SELECT COUNT(*) INTO presentation_sources
+            FROM source_documents
+            WHERE document_number='DH-F6.1-PRESENTATION-TERRITORY-20260909';
+            IF presentation_sources <> 1 THEN
+              RAISE EXCEPTION 'F6.1 must contain exactly one presentation territory source, got %', presentation_sources;
+            END IF;
+
             SELECT COUNT(*) FILTER (WHERE level='INSTALLATION'),
                    COUNT(*) FILTER (WHERE level='SUBINSTALLATION')
             INTO source_installations,source_subinstallations
             FROM inventory_families
             WHERE is_active=true AND source_reference LIKE 'F5:final_modelov2.xlsx%';
             IF source_installations <> 14 OR source_subinstallations <> 109 THEN
-              RAISE EXCEPTION 'F5.1 must preserve technical family masters: installations %, subinstallations %', source_installations,source_subinstallations;
+              RAISE EXCEPTION 'F6.1 must preserve technical family masters: installations %, subinstallations %', source_installations,source_subinstallations;
             END IF;
 
             SELECT COUNT(*) INTO source_findings
@@ -184,7 +192,7 @@ jobs:
             JOIN finding_categories category ON category.id=item.category_id
             WHERE lower(category.code)='f5model' AND item.is_active=true;
             IF source_findings <> 177 THEN
-              RAISE EXCEPTION 'F5.1 must preserve finding master catalog, got %', source_findings;
+              RAISE EXCEPTION 'F6.1 must preserve finding master catalog, got %', source_findings;
             END IF;
 
             SELECT COUNT(*) INTO department_types
@@ -205,13 +213,13 @@ jobs:
           END $$;
           SQL
 
-          # F5.1 is intentionally one-way: production rollback is the PRE database
-          # backup, not migration:revert. Prove instead that the completed chain is
-          # idempotent and has no pending migration on a second run.
+          # Both destructive cuts are intentionally one-way: production rollback is
+          # the PRE database backup, not migration:revert. Prove the completed chain
+          # is idempotent and has no pending migration on a second run.
           rerun_log="$(mktemp)"
           docker compose --env-file .env.example --profile tools run --rm migrate 2>&1 | tee "$rerun_log"
           grep -Eq 'No pending migrations|Applied migrations: 0' "$rerun_log" || {
-            echo "ERROR: F5.1 migration chain is not idempotent." >&2
+            echo "ERROR: F6.1 migration chain is not idempotent." >&2
             cat "$rerun_log" >&2
             exit 1
           }