SSH keys in account settings; wrappers for agents, terminal and git

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/src/sandbox.rs

@@ -132,7 +132,10 @@ pub fn bwrap_args(spec: &SandboxSpec, cwd: &Path, extra_ro: &[&Path], new_sessio
     if new_session {
         push(&[&"--new-session"]);
     }
-    let path = format!("{home}/.local/bin:{home}/.cargo/bin:{home}/.npm-global/bin:/usr/local/bin:/usr/bin:/bin");
+    // SSH wrappers (user's keys); only when keys are set up.
+    let ssh_wrapper = spec.home.join(crate::sshkeys::SANDBOX_BIN).join("ssh");
+    let ssh_bin = format!("{home}/{}", crate::sshkeys::SANDBOX_BIN);
+    let path = format!("{}{home}/.local/bin:{home}/.cargo/bin:{home}/.npm-global/bin:/usr/local/bin:/usr/bin:/bin", if ssh_wrapper.exists() { format!("{ssh_bin}:") } else { String::new() });
     let npm = format!("{home}/.npm-global");
     let pipx = format!("{home}/.local/pipx");
     let pipx_bin = format!("{home}/.local/bin");
@@ -152,6 +155,10 @@ pub fn bwrap_args(spec: &SandboxSpec, cwd: &Path, extra_ro: &[&Path], new_sessio
     ] {
         push(&[&"--setenv", &k, &v]);
     }
+    if ssh_wrapper.exists() {
+        let cmd = format!("{ssh_bin}/ssh");
+        push(&[&"--setenv", &"GIT_SSH_COMMAND", &cmd]);
+    }
     for (k, v) in &spec.env {
         push(&[&"--setenv", k, v]);
     }