Apply updated Codex repository kit

docs/release-notes.md

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+# Modrinth Plus Unreleased
+
+## Downloads
+
+Release artifacts are not published yet.
+
+## Highlights
+
+- Connected Library can track public Git-hosted modpack manifests.
+- Per-pack auto-update can be enabled after a pack is connected.
+- Gitea Actions are used as the verification runner.
+
+## Security
+
+- Dependency audit: pending runner/toolchain confirmation.
+- Secret handling: no tokens are stored by Connected Library v1.
+- External network calls: public HTTPS manifest and `.mrpack` downloads.
+
+## Verification
+
+| Check | Result |
+| --- | --- |
+| Gitea Actions build | Must pass before release |
+| Frontend lint | Covered by Gitea build workflow |
+| Rust clippy | Covered by Gitea build workflow |
+| Artifact download | Pending release packaging |
+
+## Notes
+
+This fork is not release-ready until packaging and artifact names are finalized.