diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e68b42..02da1f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,14 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Format check
         run: cargo fmt -- --check
+      - name: Shell syntax check
+        run: sh -n install.sh scripts/*.sh
+      - name: Clippy
+        run: cargo clippy --all-targets -- -D warnings
       - name: Test
         run: cargo test --all-targets
+      - name: TUI harness
+        run: sh scripts/tui-harness.sh
       - name: Build release
         run: cargo build --release
       - name: Docker SSH benchmark gate
diff --git a/tests/release_scripts.rs b/tests/release_scripts.rs
index 8182128..9f1d3e1 100644
--- a/tests/release_scripts.rs
+++ b/tests/release_scripts.rs
@@ -57,7 +57,10 @@ fn release_gates_test_all_targets() {
     let ci = include_str!("../.github/workflows/ci.yml");
     assert!(makefile.contains("test:\n\tcargo test --all-targets"));
     assert!(makefile.contains("cargo test --all-targets\n\t$(MAKE) tui-harness"));
+    assert!(ci.contains("run: sh -n install.sh scripts/*.sh"));
+    assert!(ci.contains("run: cargo clippy --all-targets -- -D warnings"));
     assert!(ci.contains("run: cargo test --all-targets"));
+    assert!(ci.contains("run: sh scripts/tui-harness.sh"));
 }
 
 #[test]