diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ae336a6..5e5b62f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,19 +92,26 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - run: cargo build --release
+      # OS-neutral cargo-based smoke tests avoid path issues on Windows (.exe vs no extension)
       - name: rustunnel --help
-        run: target/release/rustunnel --help
+        run: cargo run --release -- --help
       - name: rustunnel version
-        run: target/release/rustunnel version
+        run: cargo run --release -- version
       - name: rustunnel listen --help
-        run: target/release/rustunnel listen --help
+        run: cargo run --release -- listen --help
       - name: rustunnel connect --help
-        run: target/release/rustunnel connect --help
+        run: cargo run --release -- connect --help
       - name: rustunnel generate --help
-        run: target/release/rustunnel generate --help
+        run: cargo run --release -- generate --help
       - name: Invalid command fails
-        run: target/release/rustunnel invalid-cmd || true
-        shell: bash
+        run: |
+          if cargo run --release -- invalid-cmd 2>&1; then
+            echo "ERROR: invalid command should have failed"
+            exit 1
+          fi
       - name: Invalid port fails
-        run: target/release/rustunnel listen --listen localhost:bad --cert x --key x --ca-cert x --auth-token x || true
-        shell: bash
+        run: |
+          if cargo run --release -- listen --listen localhost:bad --cert x --key x --ca-cert x --auth-token x 2>&1; then
+            echo "ERROR: invalid port should have failed"
+            exit 1
+          fi
diff --git a/.gitignore b/.gitignore
index e6148da..42361f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 /target
-Cargo.lock
 **/*.pem
 **/*.json
 .env
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..7617970
--- /dev/null
+++ b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
index c616dee..420e253 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,6 @@ version = "0.1.0"
 edition = "2024"
 description = "Cross-platform HTTPS mTLS lab/dev tunneling tool"
 license = "MIT"
-readme = "README.md"
 
 [dependencies]
 clap = { version = "4", features = ["derive"] }
diff --git a/src/redact.rs b/src/redact.rs
index 568201f..0c07d8d 100644
--- a/src/redact.rs
+++ b/src/redact.rs
@@ -30,15 +30,8 @@ impl fmt::Display for Redacted {
         let len = self.0.len();
         if len == 0 {
             write!(f, "[REDACTED]")
-        } else if len <= 4 {
-            write!(f, "[REDACTED(len={})]", len)
         } else {
-            write!(
-                f,
-                "[REDACTED(len={}...{})]",
-                &self.0[..2],
-                &self.0[len - 2..]
-            )
+            write!(f, "[REDACTED(len={})]", len)
         }
     }
 }