fix: harden long conversation continuity

mindspace-workspace-sync.test.mjs

@@ -106,6 +106,12 @@ test('syncUserWorkspace imports new workspace files into asset library', async (
             );
             return [space ? [space] : []];
           }
+          if (sql.includes('FROM h5_assets') && sql.includes('FOR UPDATE')) {
+            const asset = state.assets.find(
+              (item) => item.id === params[0] && item.user_id === params[1],
+            );
+            return [asset ? [asset] : []];
+          }
           if (sql.includes('INSERT INTO h5_assets')) {
             state.assets.push({
               id: params[0],
@@ -123,18 +129,53 @@ test('syncUserWorkspace imports new workspace files into asset library', async (
             return [[]];
           }
           if (sql.includes('INSERT INTO h5_asset_versions')) {
+            const storageKey = sql.includes('VALUES (?, ?, 1')
+              ? params[2]
+              : params[3];
+            if (state.versions.some((item) => item.storage_key === storageKey)) {
+              const error = new Error(`Duplicate storage key ${storageKey}`);
+              error.code = 'ER_DUP_ENTRY';
+              throw error;
+            }
             state.versions.push({
               id: params[0],
               asset_id: params[1],
-              storage_key: params[2],
+              storage_key: storageKey,
               scan_status: params[7],
             });
             return [[]];
           }
+          if (sql.includes('UPDATE h5_assets') && sql.includes('SET size_bytes =')) {
+            const asset = state.assets.find(
+              (item) => item.id === params[8] && item.user_id === params[9],
+            );
+            asset.size_bytes = params[0];
+            asset.checksum = params[1];
+            asset.mime_type = params[2];
+            asset.asset_type = params[3];
+            asset.risk_level = params[4];
+            asset.status = params[5];
+            asset.workspace_relative_path = params[6];
+            return [[]];
+          }
+          if (sql.includes('UPDATE h5_asset_versions')) {
+            const version = state.versions.find(
+              (item) => item.id === params[6] && item.asset_id === params[7],
+            );
+            version.size_bytes = params[0];
+            version.checksum = params[1];
+            version.mime_type = params[2];
+            version.scan_status = params[4];
+            return [[]];
+          }
           if (sql.includes('used_bytes = used_bytes +')) {
             state.spaces[0].used_bytes += params[0];
             return [[]];
           }
+          if (sql.includes('used_bytes = GREATEST')) {
+            state.spaces[0].used_bytes += params[0];
+            return [[]];
+          }
           if (sql.includes('COALESCE(MAX(version_no)')) {
             return [[{ max_version: 0 }]];
           }
@@ -203,6 +244,16 @@ test('syncUserWorkspace imports new workspace files into asset library', async (
     'writeManifestForSession',
     { userId: 'user-1', sessionId: 'session-1' },
   ]);
+
+  await fs.writeFile(path.join(workspace, 'oa', 'memo.txt'), 'updated workspace\n');
+  const updated = await sync.syncUserWorkspace('user-1', {
+    categoryCode: 'oa',
+    sourceSessionId: 'session-1',
+    sourceMessageId: 'message-2',
+  });
+  assert.equal(updated.updated, 1);
+  assert.equal(state.versions.length, 1);
+  assert.equal(state.assets[0].size_bytes, Buffer.byteLength('updated workspace\n'));
 });
 
 test('syncUserWorkspace imports sandboxable public html as warned ready asset', async () => {