From 8a11dd8ca4638a126f6106242b4bbbb6736ebc20 Mon Sep 17 00:00:00 2001
From: Manuel Raimann <raimannma@outlook.de>
Date: Fri, 30 Jan 2026 18:02:36 +0100
Subject: [PATCH] feat: enhance CI configuration with additional jobs for MSRV,
 Cargo Deny, Semver Check, Miri, Minimal Versions, and Typos

---
 .github/workflows/ci.yml | 97 ++++++++++++++++++++++++++++++++++++++++
 Cargo.toml               |  1 +
 deny.toml                | 24 ++++++++++
 3 files changed, 122 insertions(+)
 create mode 100644 deny.toml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 884a0e6..4764645 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -110,3 +110,100 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: lcov.info
           fail_ci_if_error: true
+
+  msrv:
+    name: MSRV (1.88)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust 1.88
+        run: |
+          rustup override set 1.88
+          rustup update 1.88
+      - uses: Swatinem/rust-cache@v2
+      - name: Check compilation
+        run: cargo check --all-features
+
+  deny:
+    name: Cargo Deny
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: EmbarkStudios/cargo-deny-action@v2
+
+  semver:
+    name: Semver Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust
+        run: |
+          rustup override set stable
+          rustup update stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Install cargo-semver-checks
+        uses: taiki-e/install-action@cargo-semver-checks
+      - name: Check semver
+        run: cargo semver-checks check-release
+
+  miri:
+    name: Miri
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust nightly and Miri
+        run: |
+          rustup toolchain install nightly --component miri
+          rustup override set nightly
+      - uses: Swatinem/rust-cache@v2
+      - name: Setup Miri
+        run: cargo miri setup
+      - name: Run tests under Miri
+        run: cargo miri test
+        env:
+          MIRIFLAGS: -Zmiri-strict-provenance
+
+  minimal-versions:
+    name: Minimal Versions
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust nightly
+        run: |
+          rustup toolchain install nightly
+          rustup override set nightly
+      - uses: Swatinem/rust-cache@v2
+      - name: Generate minimal version lockfile
+        run: cargo +nightly -Z minimal-versions update
+      - name: Install Rust stable
+        run: |
+          rustup override set stable
+          rustup update stable
+      - name: Check with minimal versions
+        run: cargo check --all-features --locked
+
+  cross-platform:
+    name: ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install Rust
+        run: |
+          rustup override set stable
+          rustup update stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Check compilation
+        run: cargo check --all-features
+      - name: Run tests
+        run: cargo test --all-features
+
+  typos:
+    name: Typos
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: crate-ci/typos@v1
diff --git a/Cargo.toml b/Cargo.toml
index 9ec9eea..d51d584 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "optimize"
 version = "0.1.0"
 edition = "2024"
+rust-version = "1.88"
 license = "MIT"
 authors = ["Manuel Raimann <raimannma@outlook.de"]
 description = "A Rust library for optimization algorithms."
diff --git a/deny.toml b/deny.toml
new file mode 100644
index 0000000..44afe1a
--- /dev/null
+++ b/deny.toml
@@ -0,0 +1,24 @@
+[advisories]
+version = 2
+db-path = "~/.cargo/advisory-db"
+ignore = []
+
+[licenses]
+version = 2
+allow = [
+    "MIT",
+    "Apache-2.0",
+    "Apache-2.0 WITH LLVM-exception",
+    "BSD-2-Clause",
+    "Unicode-3.0",
+]
+confidence-threshold = 0.8
+
+[bans]
+multiple-versions = "warn"
+wildcards = "allow"
+
+[sources]
+unknown-registry = "warn"
+unknown-git = "warn"
+allow-registry = ["https://github.com/rust-lang/crates.io-index"]