fix(app): dedupe tree object counts

apps/desktop/src/lib/schemaTreeCache.ts

@@ -1,7 +1,7 @@
 export const SCHEMA_TREE_CACHE_TTL_MS = 15 * 60 * 1000;
 
 export interface SchemaTreeCacheEnvelope<T> {
-  version: 1;
+  version: 2;
   cachedAt: string;
   children: T;
 }
@@ -13,7 +13,7 @@ export interface DecodedSchemaTreeCache<T> {
 
 export function encodeSchemaTreeCache<T>(children: T, nowMs = Date.now()): SchemaTreeCacheEnvelope<T> {
   return {
-    version: 1,
+    version: 2,
     cachedAt: new Date(nowMs).toISOString(),
     children,
   };
@@ -31,7 +31,7 @@ export function decodeSchemaTreeCache<T>(
   if (!payload || typeof payload !== "object") return null;
 
   const envelope = payload as Partial<SchemaTreeCacheEnvelope<unknown>>;
-  if (envelope.version !== 1 || !Array.isArray(envelope.children) || typeof envelope.cachedAt !== "string") {
+  if (envelope.version !== 2 || !Array.isArray(envelope.children) || typeof envelope.cachedAt !== "string") {
     return null;
   }
 

apps/desktop/src/lib/tableTree.ts

@@ -96,10 +96,15 @@ export function buildGroupedObjectTreeNodes({
   objects: ObjectInfo[];
 }): TreeNode[] {
   const buckets = new Map<string, ObjectInfo[]>();
+  const seen = new Set<string>();
   for (const obj of objects) {
     const name = normalizeDatabaseObjectName(obj.name);
     if (!name) continue;
     const t = normalizeObjectType(obj.object_type);
+    const objectSchema = obj.schema ? normalizeDatabaseObjectName(obj.schema) : schema || "";
+    const key = `${t}\0${objectSchema.toLowerCase()}\0${name.toLowerCase()}`;
+    if (seen.has(key)) continue;
+    seen.add(key);
     const arr = buckets.get(t) ?? [];
     arr.push({ ...obj, name, schema: obj.schema ? normalizeDatabaseObjectName(obj.schema) : obj.schema });
     buckets.set(t, arr);