Separate Storybook category in code analysis + monthly auto-update workflow (#327)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Starefossen <968267+Starefossen@users.noreply.github.com>
Co-authored-by: Hans Kristian Flaatten <hans@flaatten.org>

Author: Copilot

.github/workflows/monthly-code-analysis.yml

@@ -0,0 +1,93 @@
+name: Monthly Code Analysis
+
+on:
+  schedule:
+    # Run on the 1st of every month at 00:00 UTC
+    - cron: '0 0 1 * *'
+  workflow_dispatch: # Allow manual triggering
+
+jobs:
+  update-code-analysis:
+    name: Update Code Analysis
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.24.0
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run code analysis
+        run: pnpm run analyze-code
+
+      - name: Get current date
+        id: date
+        run: echo "date=$(date +'%B %d, %Y')" >> $GITHUB_OUTPUT
+
+      - name: Update CODE_ANALYSIS.md with current date
+        run: |
+          # Update the generation date in the document
+          sed -i "s/\*\*Generated:\*\* .*/\*\*Generated:\*\* ${{ steps.date.outputs.date }}/" docs/CODE_ANALYSIS.md
+
+      - name: Check for changes
+        id: git-check
+        run: |
+          git diff --exit-code docs/CODE_ANALYSIS.md || echo "changed=true" >> $GITHUB_OUTPUT
+
+      - name: Create Pull Request
+        if: steps.git-check.outputs.changed == 'true'
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: 'docs: update monthly code analysis (${{ steps.date.outputs.date }})'
+          title: 'Monthly Code Analysis Update - ${{ steps.date.outputs.date }}'
+          body: |
+            ## 📊 Automated Monthly Code Analysis Update
+
+            This PR contains the automated monthly update of the code analysis report.
+
+            ### Changes
+            - Updated `docs/CODE_ANALYSIS.md` with current codebase statistics
+            - Analysis run date: ${{ steps.date.outputs.date }}
+
+            ### Review
+            Please review the changes to ensure:
+            - Statistics look reasonable compared to previous month
+            - New categories or significant shifts are expected
+            - Documentation accurately reflects the current state
+
+            ---
+            *This PR was automatically generated by the Monthly Code Analysis workflow.*
+          branch: automated/code-analysis-update
+          delete-branch: true
+          labels: |
+            documentation
+            automated