feat(adapters): add Gemini CLI local adapter support

Signed-off-by: Aditya Sasidhar <telikicherlaadityasasidhar@gmail.com>

ui/src/components/NewAgentDialog.tsx

@@ -14,6 +14,7 @@ import {
   ArrowLeft,
   Bot,
   Code,
+  Gem,
   MousePointer2,
   Sparkles,
   Terminal,
@@ -24,6 +25,7 @@ import { OpenCodeLogoIcon } from "./OpenCodeLogoIcon";
 type AdvancedAdapterType =
   | "claude_local"
   | "codex_local"
+  | "gemini_local"
   | "opencode_local"
   | "pi_local"
   | "cursor"
@@ -50,6 +52,12 @@ const ADVANCED_ADAPTER_OPTIONS: Array<{
     desc: "Local Codex agent",
     recommended: true,
   },
+  {
+    value: "gemini_local",
+    label: "Gemini CLI",
+    icon: Gem,
+    desc: "Local Gemini agent",
+  },
   {
     value: "opencode_local",
     label: "OpenCode",