test(session): preserve live binding after cancelled switches

tests/composition/analysis-sessions/providerBinding.test.ts

@@ -149,7 +149,7 @@ describe("target-bound provider routing", () => {
     });
   });
 
-  it("cancels a provider switch, closes its old client, and restores the binding", async () => {
+  it("preserves the active client when a provider switch is cancelled while draining", async () => {
     const target = await databaseTarget();
     const alpha = deepProvider("alpha");
     const beta = deepProvider("beta");
@@ -176,18 +176,18 @@ describe("target-bound provider routing", () => {
       ok: false,
       error: new AnalysisCancelledError("open_binary"),
     });
-    expect(alpha.clients[0]?.closed).toBe(true);
+    expect(alpha.clients[0]?.closed).toBe(false);
     expect(beta.clients).toHaveLength(0);
     expect(bindingStatus(session)).toMatchObject({
       analysis_provider_binding: { provider: { id: "alpha" } },
     });
 
     alpha.pending = undefined;
-    const restored = await session.execute("address_name", { address: "0x2" });
-    expect(restored.ok && restored.value.provider.id).toBe("alpha");
-    expect(alpha.clients).toHaveLength(2);
+    const retained = await session.execute("address_name", { address: "0x2" });
+    expect(retained.ok && retained.value.provider.id).toBe("alpha");
+    expect(alpha.clients).toHaveLength(1);
     await session.close();
-    expect(alpha.clients[1]?.closed).toBe(true);
+    expect(alpha.clients[0]?.closed).toBe(true);
   });
 });