refactor(hooks): rename sisyphus-orchestrator to atlas

Hook name is now 'atlas' (not 'atlas-orchestrator'). Directory renamed to src/hooks/atlas/. All references updated.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/tools/delegate-task/constants.ts

@@ -207,6 +207,10 @@ export const DEFAULT_CATEGORIES: Record<string, CategoryConfig> = {
   },
 }
 
+export const CATEGORY_MODEL_CATALOG: Record<string, { model: string; variant?: string }> = {
+  ultrabrain: { model: "openai/gpt-5.2-codex", variant: "xhigh" },
+}
+
 export const CATEGORY_PROMPT_APPENDS: Record<string, string> = {
   "visual-engineering": VISUAL_CATEGORY_PROMPT_APPEND,
   ultrabrain: STRATEGIC_CATEGORY_PROMPT_APPEND,

src/tools/delegate-task/tools.ts

@@ -4,7 +4,7 @@ import { join } from "node:path"
 import type { BackgroundManager } from "../../features/background-agent"
 import type { DelegateTaskArgs } from "./types"
 import type { CategoryConfig, CategoriesConfig, GitMasterConfig } from "../../config/schema"
-import { DELEGATE_TASK_DESCRIPTION, DEFAULT_CATEGORIES, CATEGORY_PROMPT_APPENDS } from "./constants"
+import { DELEGATE_TASK_DESCRIPTION, DEFAULT_CATEGORIES, CATEGORY_PROMPT_APPENDS, CATEGORY_MODEL_CATALOG } from "./constants"
 import { findNearestMessageWithFields, findFirstMessageWithAgent, MESSAGE_STORAGE } from "../../features/hook-message-injector"
 import { resolveMultipleSkillsAsync } from "../../features/opencode-skill-loader/skill-content"
 import { discoverSkills } from "../../features/opencode-skill-loader"