diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 082f7d3..0a6b237 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -34,7 +34,7 @@ jobs:
       RSPM: ${{ matrix.config.rspm }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2
         with:
@@ -82,7 +82,7 @@ jobs:
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@main
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
           path: check
diff --git a/.github/workflows/claude-code-review.yaml b/.github/workflows/claude-code-review.yaml
new file mode 100644
index 0000000..9d02933
--- /dev/null
+++ b/.github/workflows/claude-code-review.yaml
@@ -0,0 +1,40 @@
+name: Claude Code Review
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  claude-review:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+      issues: read
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code Review
+        id: claude-review
+        uses: anthropics/claude-code-action@v1
+        with:
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          prompt: |
+            REPO: ${{ github.repository }}
+            PR NUMBER: ${{ github.event.pull_request.number }}
+
+            Please review this pull request and think hard about correctness,
+            edge cases, and consistency with the rest of the codebase. Use the
+            repository's CLAUDE.md for guidance if available.
+            Focus on:
+            - Code quality and R package best practices
+            - Potential bugs or logic issues
+            - Test coverage
+            - Documentation (roxygen2) completeness
+            - Consistency with the existing codebase
+          claude_args: '--model claude-opus-4-7 --allowed-tools "mcp__github_inline_comment__create_inline_comment,Bash(gh issue view:*),Bash(gh search:*),Bash(gh issue list:*),Bash(gh pr comment:*),Bash(gh pr diff:*),Bash(gh pr view:*),Bash(gh pr list:*)"'
diff --git a/.github/workflows/claude.yaml b/.github/workflows/claude.yaml
new file mode 100644
index 0000000..2da55d5
--- /dev/null
+++ b/.github/workflows/claude.yaml
@@ -0,0 +1,38 @@
+name: Claude Code
+
+on:
+  issue_comment:
+    types: [created]
+  pull_request_review_comment:
+    types: [created]
+  issues:
+    types: [opened, assigned]
+  pull_request_review:
+    types: [submitted]
+
+jobs:
+  claude:
+    if: |
+      (github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
+      (github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
+      (github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+      issues: read
+      id-token: write
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 1
+
+      - name: Run Claude Code
+        id: claude
+        uses: anthropics/claude-code-action@v1
+        with:
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+          claude_args: '--model claude-opus-4-7'
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index fee112e..f3f4307 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -14,7 +14,7 @@ jobs:
       CURL_SSL_BACKEND: "openssl"
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2
         with:
diff --git a/.github/workflows/pr-commands.yaml b/.github/workflows/pr-commands.yaml
index 0d3cb71..02066fc 100644
--- a/.github/workflows/pr-commands.yaml
+++ b/.github/workflows/pr-commands.yaml
@@ -10,11 +10,11 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
-      - uses: r-lib/actions/pr-fetch@master
+      - uses: actions/checkout@v5
+      - uses: r-lib/actions/pr-fetch@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
       - name: Install dependencies
         run: Rscript -e 'install.packages(c("remotes", "roxygen2"))' -e 'remotes::install_deps(dependencies = TRUE)'
       - name: Document
@@ -23,7 +23,7 @@ jobs:
         run: |
           git add man/\* NAMESPACE
           git commit -m 'Document'
-      - uses: r-lib/actions/pr-push@master
+      - uses: r-lib/actions/pr-push@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
   style:
@@ -33,11 +33,11 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
-      - uses: r-lib/actions/pr-fetch@master
+      - uses: actions/checkout@v5
+      - uses: r-lib/actions/pr-fetch@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
       - name: Install dependencies
         run: Rscript -e 'install.packages("styler")'
       - name: Style
@@ -46,6 +46,6 @@ jobs:
         run: |
           git add \*.R
           git commit -m 'Style'
-      - uses: r-lib/actions/pr-push@master
+      - uses: r-lib/actions/pr-push@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index d3eaeac..8a1bcd5 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -16,7 +16,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2
 
diff --git a/inst/extdata/config/network_complete_mean-start-conc/flows_in_out.csv b/inst/extdata/config/network_complete_mean-start-conc/flows_in_out.csv
index f62660a..bcb10fd 100644
--- a/inst/extdata/config/network_complete_mean-start-conc/flows_in_out.csv
+++ b/inst/extdata/config/network_complete_mean-start-conc/flows_in_out.csv
@@ -96,7 +96,7 @@ H08;WW_BEE_lind;Wasserwerk Beelitzhof Galerie Lindwerder;;;;;0,48;;out;abstracti
 H08;WW_BEE_grfe;Wasserwerk Beelitzhof Galerie Großes Fenster;;;;;0,57;;out;abstraction_WW;
 H09;ageb1_220;Regenabfluss in Großer Wannsee;0,204;1589892;212026;DWD_0433;;;in;rain_runoff;
 H09;ageb1_230;Regenabfluss in Kleine Wannseekette;0,209;1103741;148528;DWD_0433;;;in;rain_runoff;
-H09;WW_BEE_rehw;Wasserwerk Beelitzhof Galerie Rehwiese;;;;;0,1;;out;abstraction_WW;
+H09;WW_BEE_rehw;Wasserwerk Beelitzhof Galerie Rehwiese;;;;;0,1;yes;out;abstraction_WW;
 H09;WW_BEE_wann;Wasserwerk Beelitzhof Galerie Wannsee;;;;;0,6;;out;abstraction_WW;
-H09;WW_BEE_wies;Wasserwerk Beelitzhof Galerie Wiesenleitung;;;;;0,5;;out;abstraction_WW;
+H09;WW_BEE_wies;Wasserwerk Beelitzhof Galerie Wiesenleitung;;;;;0,5;yes;out;abstraction_WW;
 H09;WW_BEE_GWA;Wasserwerk Beelitzhof Galerie (GWA);;;;;1;;out;abstraction_WW;