feat(agent): 场景胶囊 - 为会话挂载预设技能组合 (#608)

web/test/skills-api.test.ts

@@ -1,7 +1,7 @@
 import { expect, test } from "bun:test";
 
 import { apiClient } from "@/services/api/request";
-import { listAddedSkills } from "@/services/api/skills";
+import { addSkill, listAddedSkills } from "@/services/api/skills";
 
 test("added Skills retries a transient backend proxy failure", async () => {
     const original = apiClient.request;
@@ -25,3 +25,31 @@ test("added Skills retries a transient backend proxy failure", async () => {
         apiClient.request = original;
     }
 });
+
+test("a pending skills response cannot replace the cache after installation", async () => {
+    const original = apiClient.request;
+    let resolveStale: ((value: unknown) => void) | undefined;
+    const staleResponse = new Promise((resolve) => { resolveStale = resolve; });
+    let reads = 0;
+    const envelope = (skills: unknown[]) => ({ data: { code: 0, data: { skills }, msg: "ok" }, status: 200, headers: {} });
+    apiClient.request = (async (config) => {
+        if (config.method === "post") return envelope([]);
+        reads += 1;
+        return reads === 1 ? staleResponse : envelope([{ skillId: "preset", isAdded: true }]);
+    }) as typeof apiClient.request;
+
+    try {
+        await addSkill("preset"); // Invalidate a cache left by another reader.
+        const pending = listAddedSkills();
+        await addSkill("preset");
+        const fresh = await listAddedSkills();
+        resolveStale?.(envelope([]));
+        await pending;
+        expect(fresh.skills).toEqual([{ skillId: "preset", isAdded: true }]);
+        expect((await listAddedSkills()).skills).toEqual(fresh.skills);
+        expect(reads).toBe(2);
+    } finally {
+        resolveStale?.(envelope([]));
+        apiClient.request = original;
+    }
+});