diff --git a/.github/workflows/repo-pipeline.yml b/.github/workflows/repo-pipeline.yml
index 80e81c8..3f13834 100644
--- a/.github/workflows/repo-pipeline.yml
+++ b/.github/workflows/repo-pipeline.yml
@@ -4,26 +4,338 @@ on:
   workflow_call:
     inputs:
       repo_type:
-        description: Repository type
+        description: Repository type (ios, node, python, custom)
         required: false
         type: string
         default: ios
+      xcode_project:
+        description: Xcode project path for ios repos
+        required: false
+        type: string
+        default: CamperLogBook.xcodeproj
+      xcode_scheme:
+        description: Xcode scheme for ios repos
+        required: false
+        type: string
+        default: CamperLogBook
+      lint_command:
+        description: Optional lint command override
+        required: false
+        type: string
+        default: ""
+      build_command:
+        description: Optional build command override
+        required: false
+        type: string
+        default: ""
+      test_command:
+        description: Optional test command override
+        required: false
+        type: string
+        default: ""
 
 jobs:
   ci:
     name: ci
     runs-on: ubuntu-latest
     steps:
-      - run: echo "ci ok for ${{ inputs.repo_type }}"
+      - name: Checkout caller repository
+        uses: actions/checkout@v4
+
+      - name: Resolve commands
+        id: resolve
+        shell: bash
+        run: |
+          set -euo pipefail
+          repo_type='${{ inputs.repo_type }}'
+          lint='${{ inputs.lint_command }}'
+          build='${{ inputs.build_command }}'
+          test='${{ inputs.test_command }}'
+          xcode_project='${{ inputs.xcode_project }}'
+          xcode_scheme='${{ inputs.xcode_scheme }}'
+
+          if [ -z "$lint" ]; then
+            case "$repo_type" in
+              ios)
+                lint="echo 'No default ios lint command on ubuntu runner. Set lint_command override if needed.'"
+                ;;
+              node)
+                lint="npm run lint --if-present"
+                ;;
+              python)
+                lint="python3 -m pip install -U pip && python3 -m pip install ruff && ruff check ."
+                ;;
+              *)
+                lint="echo 'No lint default for repo_type=$repo_type'"
+                ;;
+            esac
+          fi
+
+          if [ -z "$build" ]; then
+            case "$repo_type" in
+              ios)
+                build="echo 'No default ios build command on ubuntu runner. Use Xcode Cloud or set build_command override.'"
+                ;;
+              node)
+                build="npm run build --if-present"
+                ;;
+              python)
+                build="echo 'No default build step for python'"
+                ;;
+              *)
+                build="echo 'No build default for repo_type=$repo_type'"
+                ;;
+            esac
+          fi
+
+          if [ -z "$test" ]; then
+            case "$repo_type" in
+              ios)
+                test="echo 'No default ios test command on ubuntu runner. Use Xcode Cloud or set test_command override.'"
+                ;;
+              node)
+                test="npm test --if-present"
+                ;;
+              python)
+                test="pytest -q"
+                ;;
+              *)
+                test="echo 'No test default for repo_type=$repo_type'"
+                ;;
+            esac
+          fi
+
+          {
+            echo "lint=$lint"
+            echo "build=$build"
+            echo "test=$test"
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Lint
+        shell: bash
+        run: |
+          set -euo pipefail
+          eval "${{ steps.resolve.outputs.lint }}"
+
+      - name: Build
+        shell: bash
+        run: |
+          set -euo pipefail
+          eval "${{ steps.resolve.outputs.build }}"
+
+      - name: Test
+        shell: bash
+        run: |
+          set -euo pipefail
+          eval "${{ steps.resolve.outputs.test }}"
 
   security-scan:
     name: security-scan
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      pull-requests: read
     steps:
-      - run: echo "security-scan ok"
+      - name: Checkout caller repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install gitleaks
+        shell: bash
+        run: |
+          set -euo pipefail
+          GITLEAKS_VERSION=$(curl -s https://api.github.com/repos/gitleaks/gitleaks/releases/latest | grep '"tag_name"' | sed -E 's/.*"v([^"]+)".*/\1/')
+          curl -sSL "https://github.com/gitleaks/gitleaks/releases/download/v${GITLEAKS_VERSION}/gitleaks_${GITLEAKS_VERSION}_linux_x64.tar.gz" | tar -xz
+          sudo mv gitleaks /usr/local/bin/gitleaks
+          gitleaks version
+
+      - name: Gitleaks scan
+        shell: bash
+        run: |
+          set -euo pipefail
+          gitleaks detect --source . --no-git --verbose
+
+      - name: Install Semgrep
+        shell: bash
+        run: |
+          set -euo pipefail
+          python3 -m pip install --upgrade pip
+          python3 -m pip install semgrep
+          semgrep --version
+
+      - name: Semgrep scan
+        shell: bash
+        run: |
+          set -euo pipefail
+          semgrep --config p/default --error
+
+      - name: Dependency Review
+        if: ${{ github.event_name == 'pull_request' }}
+        continue-on-error: true
+        uses: actions/dependency-review-action@v4
 
   ai-review:
     name: ai-review
+    if: ${{ github.event_name == 'pull_request' }}
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+      issues: write
     steps:
-      - run: echo "ai-review ok"
+      # Claude review is performed locally by Claude Code before the PR is merged.
+      # See CLAUDE.md in the repository for the process.
+
+      - name: Generate ChatGPT review
+        env:
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          GITHUB_TOKEN: ${{ github.token }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          REPO: ${{ github.repository }}
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          set -euo pipefail
+          if [ -z "${OPENAI_API_KEY:-}" ]; then
+            echo "::notice::OPENAI_API_KEY not set – ChatGPT review skipped"
+            exit 0
+          fi
+          python3 << 'PYEOF'
+          import os, json, urllib.request
+
+          token   = os.environ["GITHUB_TOKEN"]
+          repo    = os.environ["REPO"]
+          pr_num  = os.environ["PR_NUMBER"]
+          headers_gh = {"Authorization": f"Bearer {token}", "User-Agent": "vanity-dev-engine",
+                        "Accept": "application/vnd.github.v3+json"}
+
+          # Skip if ChatGPT review already exists
+          req = urllib.request.Request(
+              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments?per_page=100",
+              headers=headers_gh)
+          with urllib.request.urlopen(req) as r:
+              comments = json.loads(r.read())
+          if any("### ChatGPT" in (c.get("body") or "") for c in comments):
+              print("ChatGPT review already present – skipping generation.")
+              raise SystemExit(0)
+
+          # Fetch PR diff
+          req_diff = urllib.request.Request(
+              f"https://api.github.com/repos/{repo}/pulls/{pr_num}",
+              headers={**headers_gh, "Accept": "application/vnd.github.v3.diff"})
+          with urllib.request.urlopen(req_diff) as r:
+              diff = r.read().decode("utf-8", errors="replace")[:12000]
+
+          # Fetch PR body
+          req_pr = urllib.request.Request(
+              f"https://api.github.com/repos/{repo}/pulls/{pr_num}", headers=headers_gh)
+          with urllib.request.urlopen(req_pr) as r:
+              pr_data = json.loads(r.read())
+          pr_body = (pr_data.get("body") or "")[:800]
+
+          prompt = f"""You are a senior iOS Swift developer reviewing a pull request.
+          Analyse the changes carefully and write a concise code review.
+
+          PR title: {os.environ["PR_TITLE"]}
+          PR description: {pr_body}
+
+          Git diff (may be truncated):
+          {diff}
+
+          Reply with EXACTLY this structure – no deviations:
+
+          ### ChatGPT
+
+          DoD status: PASS
+          Blocker: 0
+          Major: 0
+
+          <your review here – cover code quality, correctness, Swift best practices,
+          potential bugs, and suggestions. Be specific and constructive.>
+
+          Only set DoD status to FAIL or raise Blocker/Major above 0 when you find
+          real defects that must be fixed before merging."""
+
+          payload = json.dumps({
+              "model": "gpt-4o",
+              "max_tokens": 1500,
+              "messages": [{"role": "user", "content": prompt}]
+          }).encode()
+          req_ai = urllib.request.Request(
+              "https://api.openai.com/v1/chat/completions", data=payload,
+              headers={"Authorization": f"Bearer {os.environ['OPENAI_API_KEY']}",
+                       "content-type": "application/json"})
+          with urllib.request.urlopen(req_ai) as r:
+              review = json.loads(r.read())["choices"][0]["message"]["content"]
+
+          # Post comment
+          body_payload = json.dumps({"body": review}).encode()
+          req_post = urllib.request.Request(
+              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments",
+              data=body_payload,
+              headers={**headers_gh, "Content-Type": "application/json"})
+          with urllib.request.urlopen(req_post) as r:
+              result = json.loads(r.read())
+          print(f"ChatGPT review posted: {result['html_url']}")
+          PYEOF
+
+      - name: Validate ChatGPT and Claude review status
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+            const pull_number = context.payload.pull_request
+              ? context.payload.pull_request.number
+              : context.payload.issue?.number;
+
+            if (!pull_number) {
+              core.setFailed("No pull request context found for ai-review validation.");
+              return;
+            }
+
+            const pr = await github.rest.pulls.get({ owner, repo, pull_number });
+            const comments = await github.paginate(github.rest.issues.listComments, {
+              owner,
+              repo,
+              issue_number: pull_number,
+              per_page: 100
+            });
+
+            const bodyParts = [pr.data.body || "", ...comments.map(c => c.body || "")];
+            const allText = bodyParts.join("\n\n").toLowerCase();
+
+            const hasSection = (name) => allText.includes(`### ${name}`.toLowerCase());
+            const hasPass = (name) => {
+              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?dod status\\s*:\\s*pass`, "i");
+              return bodyParts.some(part => regex.test(part || ""));
+            };
+            const hasZeroBlocker = (name) => {
+              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?blocker\\s*:\\s*0`, "i");
+              return bodyParts.some(part => regex.test(part || ""));
+            };
+            const hasZeroMajor = (name) => {
+              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?major\\s*:\\s*0`, "i");
+              return bodyParts.some(part => regex.test(part || ""));
+            };
+
+            const checks = [
+              { name: "ChatGPT", section: hasSection("ChatGPT"), pass: hasPass("ChatGPT"), blocker: hasZeroBlocker("ChatGPT"), major: hasZeroMajor("ChatGPT") },
+              { name: "Claude", section: hasSection("Claude"), pass: hasPass("Claude"), blocker: hasZeroBlocker("Claude"), major: hasZeroMajor("Claude") }
+            ];
+
+            const failures = checks.flatMap(c => {
+              const missing = [];
+              if (!c.section) missing.push("missing section");
+              if (!c.pass) missing.push("missing `DoD status: PASS`");
+              if (!c.blocker) missing.push("missing `Blocker: 0`");
+              if (!c.major) missing.push("missing `Major: 0`");
+              return missing.length ? [`${c.name}: ${missing.join(", ")}`] : [];
+            });
+
+            if (failures.length) {
+              core.setFailed(`AI review gate failed:\n- ${failures.join("\n- ")}`);
+            } else {
+              core.info("AI review gate passed.");
+            }
diff --git a/README.md b/README.md
index d2f18ea..2b7e530 100644
--- a/README.md
+++ b/README.md
@@ -9,19 +9,30 @@ Use from another repository:
 ```yaml
 jobs:
   use-vanity-dev-engine:
-    uses: OliverGiertz/vanity-dev-engine/.github/workflows/repo-pipeline.yml@v1.2
-    secrets: inherit
+    uses: OliverGiertz/vanity-dev-engine/.github/workflows/repo-pipeline.yml@v1.5
     with:
       repo_type: ios
+      xcode_project: CamperLogBook.xcodeproj
+      xcode_scheme: CamperLogBook
 ```
 
-Optional inputs:
+## Inputs
 
-- `repo_type` (`ios`, `node`, `python`, `custom`)
-- `lint_command`
-- `build_command`
-- `test_command`
+- `repo_type`: `ios`, `node`, `python`, `custom`
+- `xcode_project`: Xcode project path for iOS repos
+- `xcode_scheme`: Xcode scheme for iOS repos
+- `lint_command`: optional override
+- `build_command`: optional override
+- `test_command`: optional override
 
-Optional control:
+## Produced checks
 
-- set repository variable `USE_VANITY_DEV_ENGINE=true` in consumer repos.
+- `use-vanity-dev-engine / ci`
+- `use-vanity-dev-engine / security-scan`
+- `use-vanity-dev-engine / ai-review`
+
+## Consumer toggle
+
+Set repository variable `USE_VANITY_DEV_ENGINE=true` in consumer repos to activate central execution.
+
+Note: The default CI runner is `ubuntu-latest`. For iOS repositories, provide explicit `build_command` and `test_command` overrides (or use Xcode Cloud for build/test).