feat: add Xiaomi MiMo Token Plan presets (#2803)

* feat: add Xiaomi MiMo token plan presets

* fix: update Xiaomi MiMo provider presets

* fix: align MiMo V2.5 model specs with official documentation

- Update maxTokens from 32000 to 131072 (128K) for mimo-v2.5-pro and mimo-v2.5
- Update contextWindow from 262144 to 1048576 (1M) for mimo-v2.5
- Aligns with official specs from Xiaomi MiMo documentation
- Ensures consistency between OpenClaw and OpenCode presets

---------

Co-authored-by: Jason <farion1231@gmail.com>

tests/config/opencodeProviderPresets.test.ts

@@ -80,4 +80,22 @@ describe("AWS Bedrock OpenCode Provider Presets", () => {
       "https://api.kimi.com/coding/v1",
     );
   });
+
+  it("Xiaomi MiMo presets should include official OpenCode model metadata", () => {
+    const presets = ["Xiaomi MiMo", "Xiaomi MiMo Token Plan (China)"].map(
+      (name) => opencodeProviderPresets.find((preset) => preset.name === name),
+    );
+
+    for (const preset of presets) {
+      expect(preset).toBeDefined();
+      expect(preset!.settingsConfig.models["mimo-v2.5-pro"]).toMatchObject({
+        limit: { context: 1048576, output: 131072 },
+        modalities: { input: ["text"], output: ["text"] },
+      });
+      expect(preset!.settingsConfig.models["mimo-v2.5"]).toMatchObject({
+        limit: { context: 1048576, output: 131072 },
+        modalities: { input: ["text", "image"], output: ["text"] },
+      });
+    }
+  });
 });