diff --git a/.github/workflows/ci_frontend.yml b/.github/workflows/ci_frontend.yml
index 3f937f7..df4a2fa 100644
--- a/.github/workflows/ci_frontend.yml
+++ b/.github/workflows/ci_frontend.yml
@@ -15,12 +15,25 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Setup pnpm
-      uses: pnpm/action-setup@v2
+      uses: pnpm/action-setup@v4
     - name: Set up frontend
       uses: actions/setup-node@v4
       with:
         node-version: 20
         cache: 'pnpm'
+    - name: Get pnpm store directory
+      shell: bash
+      run: |
+        echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+    - uses: actions/cache@v4
+      name: Setup pnpm cache
+      with:
+        path: ${{ env.STORE_PATH }}
+        key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-store-
+    - name: Install dependencies
+      run: pnpm install
     - name: Run lint
       run: pnpm run lint
 
@@ -29,11 +42,51 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Setup pnpm
-      uses: pnpm/action-setup@v2
+      uses: pnpm/action-setup@v4
     - name: Set up frontend
       uses: actions/setup-node@v4
       with:
         node-version: 20
         cache: 'pnpm'
+    - name: Get pnpm store directory
+      shell: bash
+      run: |
+        echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+    - uses: actions/cache@v4
+      name: Setup pnpm cache
+      with:
+        path: ${{ env.STORE_PATH }}
+        key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-store-
+    - name: Install dependencies
+      run: pnpm install
     - name: Run test
       run: pnpm run test
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup pnpm
+      uses: pnpm/action-setup@v4
+    - name: Set up frontend
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'pnpm'
+    - name: Get pnpm store directory
+      shell: bash
+      run: |
+        echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+    - uses: actions/cache@v4
+      name: Setup pnpm cache
+      with:
+        path: ${{ env.STORE_PATH }}
+        key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-store-
+    - name: Install dependencies
+      run: pnpm install
+    - name: Run build
+      run: pnpm run build
diff --git a/frontend/repositories/combinedDefinitionRepository.ts b/frontend/repositories/combinedDefinitionRepository.ts
index c1b380c..27e6f4f 100644
--- a/frontend/repositories/combinedDefinitionRepository.ts
+++ b/frontend/repositories/combinedDefinitionRepository.ts
@@ -1,7 +1,7 @@
 import useSWR from 'swr'
 
 import { path } from '@/constants/path'
-import { CombinedDefinition, CombinedDefinitionGraphOptions, DotMetadata } from '@/models/combinedDefinition'
+import { CombinedDefinition, CombinedDefinitionOptions, DotMetadata } from '@/models/combinedDefinition'
 import { bitIdToIds } from '@/utils/bitId'
 import { stringify } from '@/utils/queryString'
 
@@ -112,7 +112,7 @@ export const fetchCombinedDefinition = async (requestPath: string): Promise<Comb
   }
 }
 
-export const stringifyCombinedDefinitionOptions = (graphOptions: CombinedDefinitionGraphOptions): string => {
+export const stringifyCombinedDefinitionOptions = (graphOptions: CombinedDefinitionOptions): string => {
   const params = {
     compound: graphOptions.compound,
     concentrate: graphOptions.concentrate,
@@ -122,7 +122,7 @@ export const stringifyCombinedDefinitionOptions = (graphOptions: CombinedDefinit
   return stringify(params)
 }
 
-export const useCombinedDefinition = (ids: number[], graphOptions: CombinedDefinitionGraphOptions) => {
+export const useCombinedDefinition = (ids: number[], graphOptions: CombinedDefinitionOptions) => {
   const requestPath = `${path.api.definitions.show(ids)}?${stringifyCombinedDefinitionOptions(graphOptions)}`
   const shouldFetch = ids.length > 0
   const { data, isLoading, mutate } = useSWR(shouldFetch ? requestPath : null, fetchCombinedDefinition)
diff --git a/frontend/repositories/moduleDefinitionRepository.ts b/frontend/repositories/moduleDefinitionRepository.ts
index af55e56..272bdf8 100644
--- a/frontend/repositories/moduleDefinitionRepository.ts
+++ b/frontend/repositories/moduleDefinitionRepository.ts
@@ -1,9 +1,9 @@
 import { path } from '@/constants/path'
-import { CombinedDefinitionGraphOptions } from '@/models/combinedDefinition'
+import { CombinedDefinitionOptions } from '@/models/combinedDefinition'
 import { fetchCombinedDefinition, stringifyCombinedDefinitionOptions } from './combinedDefinitionRepository'
 import useSWR from 'swr'
 
-export const useModuleDefinition = (moduleNames: string[], graphOptions: CombinedDefinitionGraphOptions) => {
+export const useModuleDefinition = (moduleNames: string[], graphOptions: CombinedDefinitionOptions) => {
   const requestPath = `${path.api.moduleDefinitions.show(moduleNames)}?${stringifyCombinedDefinitionOptions(graphOptions)}`
   const shouldFetch = moduleNames.length > 0
   const { data, isLoading, mutate } = useSWR(shouldFetch ? requestPath : null, fetchCombinedDefinition)
diff --git a/frontend/utils/queryString/index.ts b/frontend/utils/queryString/index.ts
index 22fd7a9..e200549 100644
--- a/frontend/utils/queryString/index.ts
+++ b/frontend/utils/queryString/index.ts
@@ -61,14 +61,14 @@ const normalizeParams = (params: Record<string, any>, name: string, v: any, dept
 
   let k: string
   let after: string
-  let start: string
+  let start: number
 
   if (!name) {
     // nil name, treat same as empty string (required by tests)
     k = after = ''
   } else if (depth === 0) {
     // Start of parsing, don't treat [] or [ at start of string specially
-    const start = name.indexOf('[', 1)
+    start = name.indexOf('[', 1)
     if (start !== -1) {
       // Start of parameter nesting, use part before brackets as key
       k = name.slice(0, start)