diff --git a/ecc2/rust-toolchain.toml b/ecc2/rust-toolchain.toml
new file mode 100644
index 00000000..8bc491ef
--- /dev/null
+++ b/ecc2/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+# Minimum 1.85 required: several dependencies use edition2024.
+channel = "1.96"
+components = ["rustfmt", "clippy"]
diff --git a/ecc2/src/session/manager.rs b/ecc2/src/session/manager.rs
index ca061aae..8de49c8e 100644
--- a/ecc2/src/session/manager.rs
+++ b/ecc2/src/session/manager.rs
@@ -5043,6 +5043,9 @@ mod tests {
         run_git(path, ["init", "-q"])?;
         run_git(path, ["config", "user.name", "ECC Tests"])?;
         run_git(path, ["config", "user.email", "ecc-tests@example.com"])?;
+        // Keep fixtures hermetic: a global core.hooksPath (e.g. identity-checking
+        // pre-push hooks) must not run inside test repos.
+        run_git(path, ["config", "core.hooksPath", "hooks-disabled"])?;
         fs::write(path.join("README.md"), "hello\n")?;
         run_git(path, ["add", "README.md"])?;
         run_git(path, ["commit", "-qm", "init"])?;
diff --git a/ecc2/src/tui/dashboard.rs b/ecc2/src/tui/dashboard.rs
index 396f3402..c98b4e2c 100644
--- a/ecc2/src/tui/dashboard.rs
+++ b/ecc2/src/tui/dashboard.rs
@@ -15047,6 +15047,9 @@ diff --git a/src/lib.rs b/src/lib.rs
         run_git(path, &["init", "-q"])?;
         run_git(path, &["config", "user.name", "ECC Tests"])?;
         run_git(path, &["config", "user.email", "ecc-tests@example.com"])?;
+        // Keep fixtures hermetic: a global core.hooksPath (e.g. identity-checking
+        // pre-push hooks) must not run inside test repos.
+        run_git(path, &["config", "core.hooksPath", "hooks-disabled"])?;
         fs::write(path.join("README.md"), "hello\n")?;
         run_git(path, &["add", "README.md"])?;
         run_git(path, &["commit", "-qm", "init"])?;