diff --git a/.github/actions/report-failure/action.yml b/.github/actions/report-failure/action.yml
new file mode 100644
index 0000000..3998e33
--- /dev/null
+++ b/.github/actions/report-failure/action.yml
@@ -0,0 +1,80 @@
+name: "Report workflow failure"
+description: "Open or comment on an issue when a workflow fails, and close it on the next green run."
+
+inputs:
+  result:
+    description: "'failure' opens or comments on the issue, 'success' closes it"
+    required: true
+  title:
+    description: "Issue title; it identifies the issue across runs"
+    required: true
+  subject:
+    description: "What failed, in lower case, for the issue text (e.g. 'security audit')"
+    required: true
+  labels:
+    description: "JSON array of {name, color, description} for a new issue; missing labels are created"
+    required: false
+    default: "[]"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Open or close the issue
+      uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
+      env:
+        RESULT: ${{ inputs.result }}
+        TITLE: ${{ inputs.title }}
+        SUBJECT: ${{ inputs.subject }}
+        LABELS: ${{ inputs.labels }}
+      with:
+        script: |
+          const owner = context.repo.owner;
+          const repo = context.repo.repo;
+          const { RESULT: result, TITLE: title, SUBJECT: subject } = process.env;
+          const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
+          if (result === 'failure') {
+            const labels = JSON.parse(process.env.LABELS);
+            for (const label of labels) {
+              try {
+                await github.rest.issues.getLabel({ owner, repo, name: label.name });
+              } catch (error) {
+                if (error.status !== 404) throw error;
+                await github.rest.issues.createLabel({ owner, repo, ...label });
+              }
+            }
+            const date = new Date().toISOString().split('T')[0];
+            const body = `The ${subject} failed on ${date}. See the [workflow run](${runUrl}).`;
+            const { data: open } = await github.rest.issues.listForRepo({
+              owner, repo, state: 'open', labels: labels.map(label => label.name).join(','), per_page: 100,
+            });
+            const existing = open.find(i => i.title === title);
+            if (existing) {
+              await github.rest.issues.createComment({
+                owner, repo,
+                issue_number: existing.number, body,
+              });
+            } else {
+              await github.rest.issues.create({
+                owner, repo,
+                title, body, labels: labels.map(label => label.name),
+              });
+            }
+          } else if (result === 'success') {
+            const passed = subject.charAt(0).toUpperCase() + subject.slice(1);
+            const { data: open } = await github.rest.issues.listForRepo({
+              owner, repo, state: 'open', per_page: 100,
+            });
+            for (const issue of open.filter(i => i.title === title)) {
+              await github.rest.issues.createComment({
+                owner, repo,
+                issue_number: issue.number,
+                body: `${passed} passed. Closing. See the [workflow run](${runUrl}).`,
+              });
+              await github.rest.issues.update({
+                owner, repo,
+                issue_number: issue.number, state: 'closed',
+              });
+            }
+          } else {
+            throw new Error(`result must be 'failure' or 'success', got '${result}'`);
+          }
diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 2cc3f61..158e73c 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -88,15 +88,15 @@ runs:
         restore-keys: |
           ${{ runner.os }}-native-${{ inputs.rust-toolchain }}-
 
-    - name: Cache integration fixtures (model + audio)
+    - name: Cache integration fixtures (models)
       if: ${{ inputs.cache-fixtures == 'true' }}
       uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: |
           test/fixtures/ggml-tiny.en.bin
           test/fixtures/ggml-tiny.bin
-          test/fixtures/jfk.wav
-        key: ${{ runner.os }}-fixtures-v1
+          test/fixtures/ggml-silero-v5.1.2.bin
+        key: ${{ runner.os }}-fixtures-${{ hashFiles('test/support/fixtures.ex') }}
 
     - name: Install Hex/Rebar + fetch deps
       shell: bash
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 501d21c..8d47806 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 25
     permissions:
       contents: read # checkout the repository
+      issues: write # open an issue when the integration run fails
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}-integration
       cancel-in-progress: true
@@ -48,3 +49,22 @@ jobs:
 
       - name: Run integration tests
         run: task test:integration
+
+      - name: Report integration failure
+        if: failure()
+        uses: $/.github/actions/report-failure
+        with:
+          result: failure
+          title: Integration Tests Failed
+          subject: integration run
+          labels: >-
+            [{"name": "integration", "color": "fbca04", "description": "Integration test run"},
+            {"name": "automated", "color": "ededed", "description": "Created by automation"}]
+
+      - name: Resolve integration issue on success
+        if: success()
+        uses: $/.github/actions/report-failure
+        with:
+          result: success
+          title: Integration Tests Failed
+          subject: integration run
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 562ae66..bb4da8c 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -66,63 +66,19 @@ jobs:
 
       - name: Report audit failure
         if: failure()
-        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
+        uses: $/.github/actions/report-failure
         with:
-          script: |
-            const owner = context.repo.owner;
-            const repo = context.repo.repo;
-            const title = 'Security Audit Failed';
-            const labels = [
-              { name: 'security', color: 'd73a4a', description: 'Security-relevant' },
-              { name: 'automated', color: 'ededed', description: 'Created by automation' },
-            ];
-            for (const label of labels) {
-              try {
-                await github.rest.issues.getLabel({ owner, repo, name: label.name });
-              } catch (error) {
-                if (error.status !== 404) throw error;
-                await github.rest.issues.createLabel({ owner, repo, ...label });
-              }
-            }
-            const date = new Date().toISOString().split('T')[0];
-            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
-            const body = `The security audit failed on ${date}. See the [workflow run](${runUrl}).`;
-            const { data: open } = await github.rest.issues.listForRepo({
-              owner, repo, state: 'open', labels: labels.map(label => label.name).join(','), per_page: 100,
-            });
-            const existing = open.find(i => i.title === title);
-            if (existing) {
-              await github.rest.issues.createComment({
-                owner, repo,
-                issue_number: existing.number, body,
-              });
-            } else {
-              await github.rest.issues.create({
-                owner, repo,
-                title, body, labels: labels.map(label => label.name),
-              });
-            }
+          result: failure
+          title: Security Audit Failed
+          subject: security audit
+          labels: >-
+            [{"name": "security", "color": "d73a4a", "description": "Security-relevant"},
+            {"name": "automated", "color": "ededed", "description": "Created by automation"}]
 
       - name: Resolve audit issue on success
         if: success()
-        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
+        uses: $/.github/actions/report-failure
         with:
-          script: |
-            const owner = context.repo.owner;
-            const repo = context.repo.repo;
-            const title = 'Security Audit Failed';
-            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
-            const { data: open } = await github.rest.issues.listForRepo({
-              owner, repo, state: 'open', per_page: 100,
-            });
-            for (const issue of open.filter(i => i.title === title)) {
-              await github.rest.issues.createComment({
-                owner, repo,
-                issue_number: issue.number,
-                body: `Security audit passed. Closing. See the [workflow run](${runUrl}).`,
-              });
-              await github.rest.issues.update({
-                owner, repo,
-                issue_number: issue.number, state: 'closed',
-              });
-            }
+          result: success
+          title: Security Audit Failed
+          subject: security audit