test: cover default plugin options

.brv/context-tree/facts/project/pr_push_outcome.md

@@ -0,0 +1,45 @@
+---
+title: PR Push Outcome
+summary: The remaining .brv memory was committed as 7edf357 and pushed; the PR branch is clean and up to date with origin/feat/configurable-plugin-options.
+tags: []
+related: []
+keywords: []
+createdAt: '2026-04-25T13:12:20.630Z'
+updatedAt: '2026-04-25T13:12:20.630Z'
+---
+## Reason
+Capture durable outcome of pushing the remaining .brv memory to the PR branch
+
+## Raw Concept
+**Task:**
+Document the PR push outcome for the generated .brv memory update
+
+**Changes:**
+- Committed the remaining .brv memory separately
+- Pushed the commit to the PR branch
+- Confirmed the branch is clean and up to date with origin/feat/configurable-plugin-options
+
+**Flow:**
+generate .brv memory -> commit separately -> push to PR branch -> verify branch state
+
+**Timestamp:** 2026-04-25T13:12:16.090Z
+
+**Author:** assistant
+
+## Narrative
+### Structure
+This note records a completed PR maintenance action involving a generated .brv memory and the corresponding git push outcome.
+
+### Dependencies
+Depends on the PR branch tracking origin/feat/configurable-plugin-options.
+
+### Highlights
+The final repository state was reported as clean, with the branch synchronized to origin after pushing commit 7edf357.
+
+### Examples
+Use this as the reference for the successful push and verification of the PR branch state.
+
+## Facts
+- **brv_memory_commit_flow**: The remaining generated .brv memory was committed separately before pushing. [project]
+- **commit_hash**: The added commit was 7edf357 docs: add brv memory for test pruning. [project]
+- **pr_branch_status**: The PR branch is clean and up to date with origin/feat/configurable-plugin-options. [project]

src/index.test.ts

@@ -76,6 +76,29 @@ const setReasoningEffort = async (
 ) => plugin.tool![toolName]!.execute(args, context as never);
 
 describe("AdaptiveThinkingPlugin", () => {
+  test("uses defaults when no options are provided", async () => {
+    const sessionID = "default-options";
+    const { client, toolContext } = createClient(sessionID, [createMessage("medium")]);
+    const plugin = await AdaptiveThinkingPlugin({ client } as never);
+    const system: string[] = [];
+
+    await setReasoningEffort(plugin, { level: "high", persist: true }, toolContext);
+    await plugin["experimental.chat.system.transform"]!(
+      {
+        sessionID,
+        model: { variants },
+      } as never,
+      { system },
+    );
+
+    expect(plugin.tool?.set_reasoning_effort?.description).toBe("Set your reasoning effort");
+    expect(client.session.promptAsync).toHaveBeenCalledWith(
+      expect.objectContaining({ body: expect.objectContaining({ variant: "high" }) }),
+    );
+    expect(system[0]).toContain("You MUST manage reasoning effort actively");
+    expect(system[0]).toContain("set_reasoning_effort");
+  });
+
   test("returns no hooks when disabled", async () => {
     const { client } = createClient("disabled-plugin");
     const plugin = await AdaptiveThinkingPlugin({ client } as never, { enabled: false });