fix(plugin-handlers): remove ZWSP prefixes from API-facing agent paths

src/plugin-handlers/agent-config-handler.ts

@@ -2,8 +2,8 @@ import { createBuiltinAgents } from "../agents";
 import { createSisyphusJuniorAgentWithOverrides } from "../agents/sisyphus-junior";
 import type { OhMyOpenCodeConfig } from "../config";
 import { isTaskSystemEnabled, log, migrateAgentConfig } from "../shared";
-import { AGENT_NAME_MAP } from "../shared/migration";
 import { getAgentDisplayName } from "../shared/agent-display-names";
+import { AGENT_NAME_MAP } from "../shared/migration";
 import { registerAgentName } from "../features/claude-code-session-state";
 import {
   discoverConfigSourceSkills,
@@ -24,7 +24,6 @@ import {
 } from "./agent-override-protection";
 import { buildPrometheusAgentConfig } from "./prometheus-agent-config-builder";
 import { buildPlanDemoteConfig } from "./plan-model-inheritance";
-import { getAgentListDisplayName } from "../shared/agent-display-names";
 
 type AgentConfigRecord = Record<string, Record<string, unknown> | undefined> & {
   build?: Record<string, unknown>;
@@ -160,10 +159,10 @@ export async function applyAgentConfig(params: {
   if (isSisyphusEnabled && builtinAgents.sisyphus) {
     if (configuredDefaultAgent) {
       (params.config as { default_agent?: string }).default_agent =
-        getAgentListDisplayName(configuredDefaultAgent);
+        getAgentDisplayName(configuredDefaultAgent);
     } else {
       (params.config as { default_agent?: string }).default_agent =
-        getAgentListDisplayName("sisyphus");
+        getAgentDisplayName("sisyphus");
     }
 
     // Assembly order: Sisyphus -> Hephaestus -> Prometheus -> Atlas