diff --git a/packages/app/src/utils/provider-command-templates.test.ts b/packages/app/src/utils/provider-command-templates.test.ts
new file mode 100644
index 000000000..c995368a9
--- /dev/null
+++ b/packages/app/src/utils/provider-command-templates.test.ts
@@ -0,0 +1,15 @@
+import { describe, expect, test } from "vitest";
+
+import { buildProviderCommand } from "@/utils/provider-command-templates";
+
+describe("buildProviderCommand", () => {
+  test("builds OpenCode resume commands from native session ids", () => {
+    expect(
+      buildProviderCommand({
+        provider: "opencode",
+        id: "resume",
+        sessionId: "ses_abc123",
+      }),
+    ).toBe("opencode --session ses_abc123");
+  });
+});
diff --git a/packages/app/src/utils/provider-command-templates.ts b/packages/app/src/utils/provider-command-templates.ts
index 42f4b16b9..e427b7356 100644
--- a/packages/app/src/utils/provider-command-templates.ts
+++ b/packages/app/src/utils/provider-command-templates.ts
@@ -20,6 +20,9 @@ export const PROVIDER_COMMAND_TEMPLATES: Record<
   pi: {
     resume: "pi --session {sessionId}",
   },
+  opencode: {
+    resume: "opencode --session {sessionId}",
+  },
 };
 
 function renderTemplate(template: string, vars: Record<string, string>): string {