diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..acd5e4c
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,10 @@
+## Summary
+
+Describe the changes.
+
+## Checklist
+
+- [ ] Tests pass
+- [ ] Documentation updated
+- [ ] CI passes
+- [ ] No breaking changes
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diff --git a/.github/dependabot.yml b/.github/dependabot.yml
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--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: weekly
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diff --git a/SECURITY.md b/SECURITY.md
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--- /dev/null
+++ b/SECURITY.md
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+# Security Policy
+
+## Supported Versions
+
+| Version | Supported |
+|---------|-----------|
+| 1.x | ✅ |
+
+## Reporting a Vulnerability
+
+Please do not disclose security issues publicly.
+
+Open a private GitHub Security Advisory or contact the maintainer directly.
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