test: update expectations for ZWSP-free object keys

- Add RFC 7230 compliance tests for object key validation
- Verify name field still contains ZWSP for core agents
- Update all test expectations to use getAgentDisplayName()

src/tools/delegate-task/tools.test.ts

@@ -1,7 +1,7 @@
 declare const require: NodeJS.Require
 const { describe, test, expect, beforeEach, afterEach, spyOn, mock } = require("bun:test")
 import { DEFAULT_CATEGORIES, CATEGORY_PROMPT_APPENDS, CATEGORY_DESCRIPTIONS, isPlanAgent, PLAN_AGENT_NAMES, isPlanFamily, PLAN_FAMILY_NAMES } from "./constants"
-import { getAgentDisplayName, getAgentListDisplayName } from "../../shared/agent-display-names"
+import { getAgentDisplayName, getAgentDisplayName } from "../../shared/agent-display-names"
 import type { CategoryConfig } from "../../config/schema"
 import type { DelegateTaskArgs } from "./types"
 import { __resetModelCache } from "../../shared/model-availability"
@@ -277,7 +277,7 @@ describe("sisyphus-task", () => {
 
     test("returns true for prometheus list display name with zwsp prefix", () => {
       //#given / #when
-      const result = isPlanFamily(getAgentListDisplayName("prometheus"))
+      const result = isPlanFamily(getAgentDisplayName("prometheus"))
       //#then
       expect(result).toBe(true)
     })