feat(config-handler): add Sisyphus-Junior and orchestrator support

- Add Sisyphus-Junior agent creation
- Add orchestrator-sisyphus tool restrictions
- Rename Planner-Sisyphus to Prometheus (Planner)
- Use PROMETHEUS_SYSTEM_PROMPT and PROMETHEUS_PERMISSION

🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)

src/plugin-handlers/config-handler.ts

@@ -1,4 +1,5 @@
 import { createBuiltinAgents } from "../agents";
+import { createSisyphusJuniorAgent } from "../agents/sisyphus-junior";
 import {
   loadUserCommands,
   loadProjectCommands,
@@ -22,7 +23,7 @@ import { createBuiltinMcps } from "../mcp";
 import type { OhMyOpenCodeConfig } from "../config";
 import { log } from "../shared";
 import { migrateAgentConfig } from "../shared/permission-compat";
-import { PLAN_SYSTEM_PROMPT, PLAN_PERMISSION } from "../agents/plan-prompt";
+import { PROMETHEUS_SYSTEM_PROMPT, PROMETHEUS_PERMISSION } from "../agents/prometheus-prompt";
 import type { ModelCacheState } from "../plugin-state";
 
 export interface ConfigHandlerDeps {
@@ -131,6 +132,7 @@ export function createConfigHandler(deps: ConfigHandlerDeps) {
       explore?: { tools?: Record<string, unknown> };
       librarian?: { tools?: Record<string, unknown> };
       "multimodal-looker"?: { tools?: Record<string, unknown> };
+      "orchestrator-sisyphus"?: { tools?: Record<string, unknown> };
     };
     const configAgent = config.agent as AgentConfig | undefined;
 
@@ -141,6 +143,11 @@ export function createConfigHandler(deps: ConfigHandlerDeps) {
         Sisyphus: builtinAgents.Sisyphus,
       };
 
+      agentConfig["Sisyphus-Junior"] = createSisyphusJuniorAgent({
+        model: "anthropic/claude-sonnet-4-5",
+        temperature: 0.1,
+      });
+
       if (builderEnabled) {
         const { name: _buildName, ...buildConfigWithoutName } =
           configAgent?.build ?? {};
@@ -165,21 +172,21 @@ export function createConfigHandler(deps: ConfigHandlerDeps) {
         const migratedPlanConfig = migrateAgentConfig(
           planConfigWithoutName as Record<string, unknown>
         );
-        const plannerSisyphusOverride =
-          pluginConfig.agents?.["Planner-Sisyphus"];
+        const prometheusOverride =
+          pluginConfig.agents?.["Prometheus (Planner)"];
         const defaultModel = config.model as string | undefined;
-        const plannerSisyphusBase = {
+        const prometheusBase = {
           model: (migratedPlanConfig as Record<string, unknown>).model ?? defaultModel,
           mode: "primary" as const,
-          prompt: PLAN_SYSTEM_PROMPT,
-          permission: PLAN_PERMISSION,
-          description: `${configAgent?.plan?.description ?? "Plan agent"} (OhMyOpenCode version)`,
-          color: (configAgent?.plan?.color as string) ?? "#6495ED",
+          prompt: PROMETHEUS_SYSTEM_PROMPT,
+          permission: PROMETHEUS_PERMISSION,
+          description: `${configAgent?.plan?.description ?? "Plan agent"} (Prometheus - OhMyOpenCode)`,
+          color: (configAgent?.plan?.color as string) ?? "#FF6347",
         };
 
-        agentConfig["Planner-Sisyphus"] = plannerSisyphusOverride
-          ? { ...plannerSisyphusBase, ...plannerSisyphusOverride }
-          : plannerSisyphusBase;
+        agentConfig["Prometheus (Planner)"] = prometheusOverride
+          ? { ...prometheusBase, ...prometheusOverride }
+          : prometheusBase;
       }
 
     const filteredConfigAgents = configAgent
@@ -255,6 +262,13 @@ export function createConfigHandler(deps: ConfigHandlerDeps) {
         look_at: false,
       };
     }
+    if (agentResult["orchestrator-sisyphus"]) {
+      agentResult["orchestrator-sisyphus"].tools = {
+        ...agentResult["orchestrator-sisyphus"].tools,
+        task: false,
+        call_omo_agent: false,
+      };
+    }
 
     config.permission = {
       ...(config.permission as Record<string, unknown>),