Revert "refactor(cli): remove bundled cli text providers"

This reverts commit 05d351c430.

extensions/google/cli-backend.ts

@@ -0,0 +1,35 @@
+import type { CliBackendPlugin } from "openclaw/plugin-sdk/cli-backend";
+import {
+  CLI_FRESH_WATCHDOG_DEFAULTS,
+  CLI_RESUME_WATCHDOG_DEFAULTS,
+} from "openclaw/plugin-sdk/cli-backend";
+
+const GEMINI_MODEL_ALIASES: Record<string, string> = {
+  pro: "gemini-3.1-pro-preview",
+  flash: "gemini-3.1-flash-preview",
+  "flash-lite": "gemini-3.1-flash-lite-preview",
+};
+
+export function buildGoogleGeminiCliBackend(): CliBackendPlugin {
+  return {
+    id: "google-gemini-cli",
+    config: {
+      command: "gemini",
+      args: ["--prompt", "--output-format", "json"],
+      resumeArgs: ["--resume", "{sessionId}", "--prompt", "--output-format", "json"],
+      output: "json",
+      input: "arg",
+      modelArg: "--model",
+      modelAliases: GEMINI_MODEL_ALIASES,
+      sessionMode: "existing",
+      sessionIdFields: ["session_id", "sessionId"],
+      reliability: {
+        watchdog: {
+          fresh: { ...CLI_FRESH_WATCHDOG_DEFAULTS },
+          resume: { ...CLI_RESUME_WATCHDOG_DEFAULTS },
+        },
+      },
+      serialize: true,
+    },
+  };
+}