diff --git a/package.json b/package.json
index d545f95..2e6ef61 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "lodash-es": "^4.17.21",
     "pinia": "^2.1.4",
     "reflect-metadata": "^0.1.13",
+    "tslib": "^2.6.1",
     "typeorm": "^0.3.17",
     "vue": "^3.3.4",
     "vue-router": "^4.2.4"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index da915de..f965bf8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -50,6 +50,9 @@ dependencies:
   reflect-metadata:
     specifier: ^0.1.13
     version: 0.1.13
+  tslib:
+    specifier: ^2.6.1
+    version: 2.6.1
   typeorm:
     specifier: ^0.3.17
     version: 0.3.17(ts-node@10.9.1)
diff --git a/tsconfig.json b/tsconfig.json
index 95aeffb..bea208e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,6 +12,9 @@
     "experimentalDecorators": true,
     "emitDecoratorMetadata": true,
     "resolveJsonModule": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    "noPropertyAccessFromIndexSignature": true,
     "isolatedModules": true,
     "verbatimModuleSyntax": true,
     "allowSyntheticDefaultImports": true,
@@ -19,5 +22,6 @@
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
     "strict": true,
+    "importHelpers": true
   }
 }
diff --git a/tsconfig.server.json b/tsconfig.server.json
index 936b7e0..ae37761 100644
--- a/tsconfig.server.json
+++ b/tsconfig.server.json
@@ -55,7 +55,7 @@
         "outDir": "./dist_server/", /* Specify an output folder for all emitted files. */
         // "removeComments": true,                           /* Disable emitting comments. */
         // "noEmit": true,                                   /* Disable emitting files from a compilation. */
-        // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+        "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
         // "importsNotUsedAsValues": "error",                   /* Specify emit/checking behavior for imports that are only used for types. */
         // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
         // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
@@ -89,11 +89,11 @@
         // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
         // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
         // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
-        // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+        "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
         "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
         // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
-        // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
-        // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+        "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+        "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
         // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
         // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
         /* Completeness */