diff --git a/frontends/nextjs/src/lib/db/functions/comments/crud/add-comment.ts b/frontends/nextjs/src/lib/db/functions/comments/crud/add-comment.ts
index 2917b4b88..b9cfaedb5 100644
--- a/frontends/nextjs/src/lib/db/functions/comments/crud/add-comment.ts
+++ b/frontends/nextjs/src/lib/db/functions/comments/crud/add-comment.ts
@@ -17,7 +17,7 @@ export const addComment = async (comment: Comment): Promise<void> => {
       userId: comment.userId,
       content: comment.content,
       createdAt: BigInt(comment.createdAt),
-      updatedAt: comment.updatedAt ? BigInt(comment.updatedAt) : null,
+      updatedAt: comment.updatedAt !== null && comment.updatedAt !== undefined ? BigInt(comment.updatedAt) : null,
       parentId: comment.parentId,
     },
   })
diff --git a/frontends/nextjs/src/lib/db/functions/comments/crud/get-comments.ts b/frontends/nextjs/src/lib/db/functions/comments/crud/get-comments.ts
index 8e0ce3a15..3d558916c 100644
--- a/frontends/nextjs/src/lib/db/functions/comments/crud/get-comments.ts
+++ b/frontends/nextjs/src/lib/db/functions/comments/crud/get-comments.ts
@@ -19,7 +19,7 @@ export const getComments = async (): Promise<Comment[]> => {
     entityId: c.entityId,
     content: c.content,
     createdAt: Number(c.createdAt),
-    updatedAt: c.updatedAt ? Number(c.updatedAt) : undefined,
-    parentId: c.parentId || undefined,
+    updatedAt: c.updatedAt !== null && c.updatedAt !== undefined ? Number(c.updatedAt) : undefined,
+    parentId: c.parentId !== null && c.parentId !== '' ? c.parentId : undefined,
   }))
 }
diff --git a/frontends/nextjs/src/lib/db/functions/comments/crud/set-comments.ts b/frontends/nextjs/src/lib/db/functions/comments/crud/set-comments.ts
index 49a4a60bd..5ab0dc791 100644
--- a/frontends/nextjs/src/lib/db/functions/comments/crud/set-comments.ts
+++ b/frontends/nextjs/src/lib/db/functions/comments/crud/set-comments.ts
@@ -19,7 +19,7 @@ export const setComments = async (comments: Comment[]): Promise<void> => {
         userId: comment.userId,
         content: comment.content,
         createdAt: BigInt(comment.createdAt),
-        updatedAt: comment.updatedAt ? BigInt(comment.updatedAt) : null,
+        updatedAt: comment.updatedAt !== null && comment.updatedAt !== undefined ? BigInt(comment.updatedAt) : null,
         parentId: comment.parentId,
       },
     })
diff --git a/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-configs.ts b/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-configs.ts
index 0afdcd7c5..f60839e1e 100644
--- a/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-configs.ts
+++ b/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-configs.ts
@@ -5,6 +5,7 @@
 
 import { prisma } from '@/lib/config/prisma'
 import type { ComponentConfig } from './types'
+import type { JsonValue } from '@/types/utility-types'
 
 /**
  * Get all component configs
@@ -17,11 +18,11 @@ export const getComponentConfigs = async (): Promise<Record<string, ComponentCon
     result[config.id] = {
       id: config.id,
       componentId: config.componentId,
-      props: JSON.parse(config.props),
-      styles: JSON.parse(config.styles),
-      events: JSON.parse(config.events),
-      conditionalRendering: config.conditionalRendering
-        ? JSON.parse(config.conditionalRendering)
+      props: JSON.parse(config.props) as Record<string, JsonValue>,
+      styles: JSON.parse(config.styles) as Record<string, JsonValue>,
+      events: JSON.parse(config.events) as Record<string, string>,
+      conditionalRendering: config.conditionalRendering !== null && config.conditionalRendering !== ''
+        ? JSON.parse(config.conditionalRendering) as { condition: string; luaScriptId?: string }
         : undefined,
     }
   }
diff --git a/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-hierarchy.ts b/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-hierarchy.ts
index 6e6cbcc37..e145c75b8 100644
--- a/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-hierarchy.ts
+++ b/frontends/nextjs/src/lib/db/functions/components/hierarchy/get-component-hierarchy.ts
@@ -17,8 +17,8 @@ export const getComponentHierarchy = async (): Promise<Record<string, ComponentN
     result[node.id] = {
       id: node.id,
       type: node.type,
-      parentId: node.parentId || undefined,
-      childIds: JSON.parse(node.childIds),
+      parentId: node.parentId !== null && node.parentId !== '' ? node.parentId : undefined,
+      childIds: JSON.parse(node.childIds) as string[],
       order: node.order,
       pageId: node.pageId,
     }
diff --git a/frontends/nextjs/src/lib/github/parse-workflow-run-logs-options.ts b/frontends/nextjs/src/lib/github/parse-workflow-run-logs-options.ts
index 607df16fc..259f948c3 100644
--- a/frontends/nextjs/src/lib/github/parse-workflow-run-logs-options.ts
+++ b/frontends/nextjs/src/lib/github/parse-workflow-run-logs-options.ts
@@ -14,10 +14,11 @@ export function parseWorkflowRunLogsOptions(search: string | URLSearchParams): W
   const params = typeof search === 'string' ? new URLSearchParams(search) : search
   const tailLinesParam = params.get('tailLines')
   const jobLimitParam = params.get('jobLimit')
+  const runNameParam = params.get('runName')
   return {
     tailLines: tailLinesParam !== null ? parseInt(tailLinesParam) : undefined,
     failedOnly: params.get('failedOnly') === 'true',
-    runName: params.get('runName') || undefined,
+    runName: runNameParam !== null && runNameParam !== '' ? runNameParam : undefined,
     includeLogs: params.get('includeLogs') === 'true',
     jobLimit: jobLimitParam !== null ? parseInt(jobLimitParam) : undefined,
   }
diff --git a/frontends/nextjs/src/lib/github/resolve-github-repo.ts b/frontends/nextjs/src/lib/github/resolve-github-repo.ts
index bc2296b36..b70c1edeb 100644
--- a/frontends/nextjs/src/lib/github/resolve-github-repo.ts
+++ b/frontends/nextjs/src/lib/github/resolve-github-repo.ts
@@ -10,11 +10,16 @@ export interface GitHubRepo {
 export function resolveGitHubRepo(params: URLSearchParams | string): GitHubRepo {
   if (typeof params === 'string') {
     const [owner, repo] = params.split('/')
-    return { owner: owner || '', repo: repo || '' }
+    return { 
+      owner: owner !== null && owner !== undefined && owner !== '' ? owner : '', 
+      repo: repo !== null && repo !== undefined && repo !== '' ? repo : '' 
+    }
   }
   
+  const ownerParam = params.get('owner')
+  const repoParam = params.get('repo')
   return {
-    owner: params.get('owner') || '',
-    repo: params.get('repo') || '',
+    owner: ownerParam !== null && ownerParam !== '' ? ownerParam : '',
+    repo: repoParam !== null && repoParam !== '' ? repoParam : '',
   }
 }
diff --git a/frontends/nextjs/src/types/monaco-editor-react.d.ts b/frontends/nextjs/src/types/monaco-editor-react.d.ts
index 0a775cb8b..1aa382092 100644
--- a/frontends/nextjs/src/types/monaco-editor-react.d.ts
+++ b/frontends/nextjs/src/types/monaco-editor-react.d.ts
@@ -30,5 +30,4 @@ declare module '@monaco-editor/react' {
   export default Editor
 
   export function useMonaco(): Monaco | null
-  export function loader(): Promise<Monaco>
 }