config-loader: normalize data paths to ensure consistent behavior

packages/config-loader/src/lib/schema/compile.ts

@@ -56,7 +56,11 @@ export function compileConfigSchemas(
           return false;
         }
         if (visibility) {
-          visibilityByPath.set(dataPath, visibility);
+          const normalizedPath = dataPath.replace(
+            /\['?(.*?)'?\]/g,
+            (_, segment) => `.${segment}`,
+          );
+          visibilityByPath.set(normalizedPath, visibility);
         }
         return true;
       };

packages/config-loader/src/lib/schema/filtering.test.ts

@@ -40,18 +40,18 @@ const data = {
 
 const visiblity = new Map<string, ConfigVisibility>(
   Object.entries({
-    '.arr[0]': 'frontend',
-    '.arr[1]': 'backend',
-    '.arr[2]': 'secret',
+    '.arr.0': 'frontend',
+    '.arr.1': 'backend',
+    '.arr.2': 'secret',
     '.obj.f': 'frontend',
     '.obj.b': 'backend',
     '.obj.b.s': 'secret',
-    '.objArr[0].f': 'frontend',
-    '.objArr[0].b': 'backend',
-    '.objArr[0].s': 'secret',
-    '.objArr[1].f': 'frontend',
-    '.objArr[1].b': 'backend',
-    '.objArr[1].s': 'secret',
+    '.objArr.0.f': 'frontend',
+    '.objArr.0.b': 'backend',
+    '.objArr.0.s': 'secret',
+    '.objArr.1.f': 'frontend',
+    '.objArr.1.b': 'backend',
+    '.objArr.1.s': 'secret',
     '.arrF': 'frontend',
     '.arrB': 'backend',
     '.arrS': 'secret',

packages/config-loader/src/lib/schema/filtering.ts

@@ -49,7 +49,7 @@ export function filterByVisibility(
       const arr = new Array<JsonValue>();
 
       for (const [index, value] of jsonVal.entries()) {
-        const out = transform(value, `${path}[${index}]`);
+        const out = transform(value, `${path}.${index}`);
         if (out !== undefined) {
           arr.push(out);
         }