fix: mark Kiro integration as multi-install safe (#3472)

Assisted-by: Codex (model: GPT-5, autonomous)

src/specify_cli/integrations/kiro_cli/__init__.py

@@ -13,6 +13,7 @@ _KIRO_ARG_FALLBACK = "(the user will provide the argument in this conversation)"
 
 class KiroCliIntegration(MarkdownIntegration):
     key = "kiro-cli"
+    multi_install_safe = True
     config = {
         "name": "Kiro CLI",
         "folder": ".kiro/",

tests/integrations/test_integration_kiro_cli.py

@@ -42,6 +42,9 @@ class TestKiroCliIntegration(MarkdownIntegrationTests):
     COMMANDS_SUBDIR = "prompts"
     REGISTRAR_DIR = ".kiro/prompts"
 
+    def test_declares_multi_install_safe(self):
+        assert get_integration(self.KEY).multi_install_safe is True
+
     def test_registrar_config(self):
         """Override base assertion: kiro-cli uses a prose fallback for args
         because Kiro CLI file-based prompts do not natively substitute