diff --git a/apps/client/src/features/base/hooks/use-base-table.ts b/apps/client/src/features/base/hooks/use-base-table.ts
index 227663fa..f09a71e0 100644
--- a/apps/client/src/features/base/hooks/use-base-table.ts
+++ b/apps/client/src/features/base/hooks/use-base-table.ts
@@ -181,6 +181,12 @@ export function buildViewConfigFromTable(
   base: ViewConfig | undefined,
   overrides: Partial<ViewConfig> = {},
 ): ViewConfig {
+  // Guard against corrupted persisted configs — if `base` ever comes
+  // back as something other than a plain object (e.g. a jsonb-stored
+  // string `"{}"` from a buggy seed), spreading it would iterate its
+  // characters into keys `0`, `1`, … and poison the config forever.
+  const safeBase =
+    base && typeof base === "object" && !Array.isArray(base) ? base : {};
   const state = table.getState();
 
   const sorts = state.sorting.map((s) => ({
@@ -200,7 +206,7 @@ export function buildViewConfigFromTable(
     .map(([id]) => id);
 
   return {
-    ...base,
+    ...safeBase,
     sorts,
     propertyWidths,
     propertyOrder,
diff --git a/apps/server/src/scripts/seed-base-rows.ts b/apps/server/src/scripts/seed-base-rows.ts
index 5b485920..5bd96d42 100644
--- a/apps/server/src/scripts/seed-base-rows.ts
+++ b/apps/server/src/scripts/seed-base-rows.ts
@@ -196,7 +196,7 @@ async function createBase(workspaceId: string, spaceId: string, creatorId: strin
       name: def.name,
       type: def.type,
       position: propPosition,
-      type_options: def.typeOptions ? JSON.stringify(def.typeOptions) : null,
+      type_options: def.typeOptions ?? null,
       is_primary: def.isPrimary ?? false,
       workspace_id: workspaceId,
       created_at: new Date(),
@@ -219,7 +219,7 @@ async function createBase(workspaceId: string, spaceId: string, creatorId: strin
     name: 'Table View 1',
     type: 'table',
     position: generateJitteredKeyBetween(null, null),
-    config: JSON.stringify({}),
+    config: {},
     workspace_id: workspaceId,
     creator_id: creatorId,
     created_at: new Date(),