diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 62b0cda..e4a8595 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,13 +20,13 @@ jobs:
     name: Lint (ruff)
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.11"
       - name: Install ruff
@@ -42,13 +42,13 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Run bandit security rules (S) and emit SARIF
@@ -56,7 +56,7 @@ jobs:
           pip install ruff
           ruff check --select S --output-format sarif --output-file bandit.sarif services/ || true
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: bandit.sarif
           category: bandit
@@ -66,13 +66,13 @@ jobs:
     name: Dependency audit (pip-audit)
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Audit every requirements file (advisory, non-blocking)
@@ -91,14 +91,14 @@ jobs:
     name: Secret scan (gitleaks)
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           fetch-depth: 0
           persist-credentials: false
-      - uses: gitleaks/gitleaks-action@ff98106e4c7b2bc287b24eaf42907196329070c7 # v2
+      - uses: gitleaks/gitleaks-action@e0c47f4f8be36e29cdc102c57e68cb5cbf0e8d1e # v3.0.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           # Deception components are allowlisted here (see SECURITY.md).
@@ -124,13 +124,13 @@ jobs:
           - services/fake_portal/Dockerfile
           - deploy/proxy/inline/Dockerfile
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: hadolint/hadolint-action@2332a7b74a6de0dda2e2221d575162eba76ba5e5 # v3.3.0
+      - uses: hadolint/hadolint-action@2a66e89f53d0771bb131a7fa31f3136336094aa6 # v3.4.0
         with:
           dockerfile: ${{ matrix.dockerfile }}
           format: sarif
@@ -138,7 +138,7 @@ jobs:
           failure-threshold: error
       - name: Upload SARIF
         if: always()
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: hadolint.sarif
           category: hadolint-${{ matrix.dockerfile }}
@@ -151,10 +151,10 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
       # Report-only: dependency vulns + IaC misconfig surfaced in the Security tab.
@@ -169,7 +169,7 @@ jobs:
           severity: CRITICAL,HIGH
       - name: Upload SARIF
         if: always()
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: trivy-fs.sarif
           category: trivy-fs
@@ -195,21 +195,21 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
       - name: actionlint
-        uses: reviewdog/action-actionlint@6fb7acc99f4a1008869fa8a0f09cfca740837d9d # v1.72.0
+        uses: reviewdog/action-actionlint@50842263c20a7c46bd0065b9e624d3c569db061e # v1.73.0
         with:
           reporter: local
           fail_level: error
           # Report on all lines, not just a PR diff — the local reporter has no
           # diff to filter against (otherwise: "reviewdog: diff command is empty").
           filter_mode: nofilter
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: zizmor (GitHub Actions auditor)
@@ -221,7 +221,7 @@ jobs:
           zizmor --format sarif .github/workflows > zizmor.sarif || true
       - name: Upload SARIF
         if: always() && hashFiles('zizmor.sarif') != ''
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: zizmor.sarif
           category: zizmor
@@ -231,13 +231,13 @@ jobs:
     name: Test suite (pytest)
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Install dev dependencies
@@ -249,13 +249,13 @@ jobs:
     name: Stack smoke test (offline, no cloud)
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
 
@@ -314,15 +314,15 @@ jobs:
           - mirage_metrics
           - fake_portal
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
+      - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
       - name: Build image (local only)
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           file: services/${{ matrix.service }}/Dockerfile
@@ -340,7 +340,7 @@ jobs:
           severity: CRITICAL,HIGH
       - name: Upload SARIF
         if: always()
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: trivy-${{ matrix.service }}.sarif
           category: trivy-image-${{ matrix.service }}
@@ -366,15 +366,15 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
+      - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
       - name: Build proxy image (local only)
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           file: deploy/proxy/inline/Dockerfile
@@ -392,7 +392,7 @@ jobs:
           severity: CRITICAL,HIGH
       - name: Upload SARIF
         if: always()
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: trivy-proxy.sarif
           category: trivy-image-proxy
@@ -423,16 +423,16 @@ jobs:
     env:
       SERVICE: ${{ matrix.service }}
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
-      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
+      - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
 
       - name: Log in to GHCR
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -443,7 +443,7 @@ jobs:
 
       - name: Docker metadata (tags + OCI labels)
         id: meta
-        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
         with:
           images: ${{ env.IMAGE }}
           tags: |
@@ -453,7 +453,7 @@ jobs:
             type=raw,value=latest
 
       - name: Build image (local, for pre-push scan)
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           file: services/${{ matrix.service }}/Dockerfile
@@ -475,7 +475,7 @@ jobs:
           severity: CRITICAL,HIGH
       - name: Upload SARIF
         if: always()
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: trivy-${{ matrix.service }}.sarif
           category: trivy-release-${{ matrix.service }}
@@ -491,7 +491,7 @@ jobs:
 
       - name: Build & push release image
         id: build
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           file: services/${{ matrix.service }}/Dockerfile
@@ -515,13 +515,13 @@ jobs:
           output-file: sbom-${{ matrix.service }}.cdx.json
           upload-artifact: false
       - name: Upload SBOM artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: sbom-${{ matrix.service }}
           path: sbom-${{ matrix.service }}.cdx.json
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
         with:
           cosign-release: "v2.5.2" # pinned; this installer can't fetch v3.x (no detached .sig asset)
 
@@ -541,7 +541,7 @@ jobs:
           push-to-registry: true
 
       - name: Generate SLSA build provenance
-        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
+        uses: actions/attest-build-provenance@0f67c3f4856b2e3261c31976d6725780e5e4c373 # v4.1.1
         with:
           subject-name: ${{ env.IMAGE }}
           subject-digest: ${{ steps.build.outputs.digest }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 00a2a25..6a0fb9b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -25,18 +25,18 @@ jobs:
         # Workflow security is covered separately by actionlint + zizmor.
         language: [python, javascript-typescript]
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/init@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           languages: ${{ matrix.language }}
           queries: security-extended
       - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/analyze@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 1240fa7..77b8bcc 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -18,26 +18,26 @@ jobs:
       security-events: write
       id-token: write # publish results to the OpenSSF API
     steps:
-      - uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
+      - uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v4
         with:
           persist-credentials: false
       - name: Run analysis
-        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
+        uses: ossf/scorecard-action@2d1146689b8cda280b9bc96326124645441f03bc # v2.4.4
         with:
           results_file: results.sarif
           results_format: sarif
           publish_results: true
       - name: Upload artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: scorecard-results
           path: results.sarif
           retention-days: 5
       - name: Upload SARIF to Security tab
-        uses: github/codeql-action/upload-sarif@dd903d2e4f5405488e5ef1422510ee31c8b32357 # v3
+        uses: github/codeql-action/upload-sarif@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           sarif_file: results.sarif
           category: scorecard