Tests on Windows: no console for CLI children, .exe for the Go oracle; CI test timeout

A hidden console on Windows runners let a confirmation prompt wait
forever, and the oracle built without .exe could not be run.

.github/workflows/ci.yml

@@ -27,6 +27,7 @@ jobs:
       matrix:
         os: [ubuntu-24.04, ubuntu-24.04-arm, macos-15, macos-15-intel, windows-2025]
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v5
       # The Go toolchain builds the test-only oracle; vault itself needs no Go.

tests/cli.rs

@@ -54,6 +54,10 @@ impl Env {
         if let Some(p) = pass {
             c.env("VAULT_PASSPHRASE", p);
         }
+        // No console, as Unix tests have no terminal: CI runners have a
+        // hidden one, where a prompt would wait forever.
+        #[cfg(windows)]
+        std::os::windows::process::CommandExt::creation_flags(&mut c, 0x0000_0008); // DETACHED_PROCESS
         c
     }
 

tests/common/mod.rs

@@ -34,7 +34,9 @@ pub fn go_oracle() -> Option<PathBuf> {
         if !have_go() {
             return None;
         }
-        let out = root().join("target").join("vault-go-oracle");
+        let out = root()
+            .join("target")
+            .join(format!("vault-go-oracle{}", std::env::consts::EXE_SUFFIX));
         let st = Command::new("go")
             .args(["build", "-o"])
             .arg(&out)