diff --git a/app/src/plugins/index.ts b/app/src/plugins/index.ts
index 4eceeb1e..f1a11967 100644
--- a/app/src/plugins/index.ts
+++ b/app/src/plugins/index.ts
@@ -122,7 +122,10 @@ for (const t of CHART_TYPES) {
 }
 
 // 2. Validate compatibleWith references actual connector types.
-const KNOWN_CONNECTORS = new Set(["neo4j", "postgresql"]);
+// Uses the canonical CONNECTOR_TYPES from the connection package
+// so new connectors are automatically recognized.
+import { CONNECTOR_TYPES as KNOWN_CONNECTOR_LIST } from "@neoboard/connection";
+const KNOWN_CONNECTORS = new Set<string>(KNOWN_CONNECTOR_LIST);
 for (const type of pluginRegistry.getTypes()) {
   const plugin = pluginRegistry.get(type);
   if (plugin?.compatibleWith) {
diff --git a/cli/src/lib/manifest.ts b/cli/src/lib/manifest.ts
index 2cf1b924..95eb9fd4 100644
--- a/cli/src/lib/manifest.ts
+++ b/cli/src/lib/manifest.ts
@@ -5,6 +5,7 @@
  * concurrent processes or crashes mid-write.
  */
 
+import { randomUUID } from "node:crypto";
 import {
   readFileSync,
   writeFileSync,
@@ -27,10 +28,7 @@ type ManifestKey = "plugins" | "connectors";
  * Rename is atomic on POSIX and near-atomic on Windows.
  */
 function atomicWriteJson(filePath: string, data: unknown): void {
-  const tmpPath = join(
-    dirname(filePath),
-    ".tmp-" + Date.now() + "-" + Math.random().toString(36).slice(2),
-  );
+  const tmpPath = join(dirname(filePath), ".tmp-" + randomUUID());
   try {
     writeFileSync(tmpPath, JSON.stringify(data, null, 2) + "\n");
     renameSync(tmpPath, filePath);
diff --git a/component/src/charts/circle-packing-chart.tsx b/component/src/charts/circle-packing-chart.tsx
index 7d7f061c..7d0c79a6 100644
--- a/component/src/charts/circle-packing-chart.tsx
+++ b/component/src/charts/circle-packing-chart.tsx
@@ -81,7 +81,7 @@ function CirclePackingChart({
 
     // Build d3 hierarchy and run circle packing layout
     const h = hierarchy(root)
-      .sum((d) => d.value ?? 0)
+      .sum((d) => (d.children?.length ? 0 : (d.value ?? 0)))
       .sort((a, b) => (b.value ?? 0) - (a.value ?? 0));
 
     const size = Math.min(width, height);
diff --git a/connection/src/generalized/connector-plugin.ts b/connection/src/generalized/connector-plugin.ts
index 4e732999..6d7b9b7c 100644
--- a/connection/src/generalized/connector-plugin.ts
+++ b/connection/src/generalized/connector-plugin.ts
@@ -136,6 +136,7 @@ export function createConnectorRegistry(): ConnectorRegistry {
                 '": formField missing key/label/type:',
               field,
             );
+            continue; // Skip duplicate check for invalid fields
           }
           if (keys.has(field.key)) {
             console.warn(