Fix override precedence

internal/topdata/native.go

@@ -1117,14 +1117,14 @@ func pruneLockDataToActiveRows(lockData map[string]int, rows []map[string]any, r
 	}
 	pruned := 0
 	for key := range lockData {
+		if _, ok := activeKeys[key]; ok {
+			continue
+		}
 		if _, retired := retiredKeys[key]; retired {
 			delete(lockData, key)
 			pruned++
 			continue
 		}
-		if _, ok := activeKeys[key]; ok {
-			continue
-		}
 		if _, ok := referencedKeys[key]; ok {
 			continue
 		}

internal/topdata/topdata_test.go

@@ -8410,6 +8410,84 @@ func TestBuildSkillsKeyNullRemovesIdentityWithoutNullingRow(t *testing.T) {
 	}
 }
 
+func TestBuildSpellsAllowsDuplicateBaseKeyToBeSplitAcrossTwoOverrideRenames(t *testing.T) {
+	root := testProjectRoot(t)
+	mkdirAll(t, filepath.Join(root, "topdata", "data", "spells", "modules"))
+	writeFile(t, filepath.Join(root, "topdata", "base_dialog.json"), "{}\n")
+	writeFile(t, filepath.Join(root, "topdata", "data", "spells", "base.json"), `{
+  "output": "spells.2da",
+  "columns": ["Label", "Name", "SpellDesc"],
+  "rows": [
+    {"id": 443, "key": "spells:etherealness", "Label": "GreaterSanctuary", "Name": "2364", "SpellDesc": "2371"},
+    {"id": 724, "key": "spells:etherealness_83893", "Label": "Etherealness", "Name": "83893", "SpellDesc": "****"}
+  ]
+}`+"\n")
+	writeFile(t, filepath.Join(root, "topdata", "data", "spells", "lock.json"), "{}\n")
+	writeFile(t, filepath.Join(root, "topdata", "data", "spells", "modules", "ovr_fixduplicates.json"), `{
+  "overrides": [
+    {
+      "id": 443,
+      "key": "spells:greater_sanctuary"
+    },
+    {
+      "id": 724,
+      "key": "spells:etherealness"
+    }
+  ]
+}`+"\n")
+	mkdirAll(t, filepath.Join(root, "reference"))
+	writeFile(t, filepath.Join(root, "reference", "build.py"), "print('ok')\n")
+
+	datasets, err := discoverNativeDatasets(filepath.Join(root, "topdata", "data"))
+	if err != nil {
+		t.Fatalf("discoverNativeDatasets failed: %v", err)
+	}
+	if len(datasets) != 1 {
+		t.Fatalf("expected one dataset, got %d", len(datasets))
+	}
+	collectedDataset, err := collectNativeDataset(datasets[0])
+	if err != nil {
+		t.Fatalf("collectNativeDataset failed: %v", err)
+	}
+	if collectedDataset.LockData["spells:greater_sanctuary"] != 443 {
+		t.Fatalf("expected collected greater_sanctuary lock entry, got %#v", collectedDataset.LockData)
+	}
+	if collectedDataset.LockData["spells:etherealness"] != 724 {
+		t.Fatalf("expected collected etherealness to be remapped to row 724, got lock=%#v rows=%#v", collectedDataset.LockData, collectedDataset.Rows)
+	}
+	if _, ok := collectedDataset.LockData["spells:etherealness_83893"]; ok {
+		t.Fatalf("expected collected etherealness_83893 to be retired, got %#v", collectedDataset.LockData)
+	}
+
+	result, err := BuildNative(testProject(root), nil)
+	if err != nil {
+		t.Fatalf("BuildNative failed: %v", err)
+	}
+	lockRaw, err := os.ReadFile(filepath.Join(root, "topdata", "data", "spells", "lock.json"))
+	if err != nil {
+		t.Fatalf("read spells lock: %v", err)
+	}
+	lockText := string(lockRaw)
+	if !strings.Contains(lockText, `"spells:greater_sanctuary": 443`) {
+		t.Fatalf("expected greater_sanctuary lock entry, got:\n%s", lockText)
+	}
+	if !strings.Contains(lockText, `"spells:etherealness": 724`) {
+		t.Fatalf("expected etherealness to be remapped to row 724, got:\n%s", lockText)
+	}
+	if strings.Contains(lockText, `"spells:etherealness_83893"`) {
+		t.Fatalf("expected etherealness_83893 to be retired, got:\n%s", lockText)
+	}
+
+	got, err := os.ReadFile(filepath.Join(result.Output2DADir, "spells.2da"))
+	if err != nil {
+		t.Fatalf("read spells.2da: %v", err)
+	}
+	text := string(got)
+	if !strings.Contains(text, "GreaterSanctuary") || !strings.Contains(text, "Etherealness") {
+		t.Fatalf("expected both renamed rows to remain present, got:\n%s", text)
+	}
+}
+
 func TestBuildSkillsIgnoresStaleBaseSpanLockDuringInitialLoad(t *testing.T) {
 	root := testProjectRoot(t)
 	mkdirAll(t, filepath.Join(root, "topdata", "data", "skills", "modules"))