feat(sagent): sagt op

tools/sagent-op.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -e
+
+op=$(command -v op || command -v op.exe)
+if [[ ! -x $op ]]; then
+    echo "1password cli not found"
+    exit -1
+fi
+"$op" read "op://Personal/id25519-passphrase/$(hostname)"

tools/sagent.sh

@@ -47,6 +47,12 @@ add_piv()
     list
 }
 
+add_id25519_with_op()
+{
+    SSH_ASKPASS_REQUIRE=force SSH_ASKPASS="$THIS_DIR/sagent-op.sh" timeout 30s ssh-add ~/.ssh/id_ed25519 || fmt_fatal "timed out when adding the key. probably the passphrase is wrong"
+    list
+}
+
 list()
 {
     echo echo "available keys:"
@@ -96,6 +102,9 @@ route()
         piv)
             add_piv
             ;;
+        op)
+            add_id25519_with_op
+            ;;
         reset)
             reset
             ;;