wehub-resource-sync
59 lines
2.5 KiB
TypeScript
59 lines
2.5 KiB
TypeScript
import type { Stage, GeneratedAgentConfig } from '@/lib/types/stage';
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import { createAgentConfig, type AgentRoster } from '@/lib/edit/agent-ops';
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/**
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* Resolve the editable agent roster for a stage.
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*
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* Precedence:
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* 1. `stage.generatedAgentConfigs` is present and non-empty → return as-is.
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* 2. `stage.agentIds` is present → map each id through `resolvePreset(id)`,
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* dropping ids that resolve to `undefined`.
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* 3. If the result so far is empty → return `[ createAgentConfig('teacher', 0, makeId()) ]`.
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*
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* The returned roster always contains ≥1 teacher. If step 2 yields configs
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* but none carry role 'teacher', a default teacher is prepended.
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*/
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export function materializeRoster(
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stage: Pick<Stage, 'agentIds' | 'generatedAgentConfigs'>,
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resolvePreset: (id: string) => GeneratedAgentConfig | undefined,
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makeId: () => string,
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isGlobalDefault: (id: string) => boolean = () => false,
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): AgentRoster {
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// Step 1 — already materialized.
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// Deliberately returns the array as-is (by reference, no defensive copy) and does NOT
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// enforce the ≥1-teacher invariant: a stored roster is already maintained by the
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// editor's last-teacher guard, and callers rely on reference identity for change detection.
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if (stage.generatedAgentConfigs && stage.generatedAgentConfigs.length > 0) {
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return stage.generatedAgentConfigs;
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}
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// Step 2 — resolve preset ids. Global default presets get a fresh stage-scoped
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// id (prevents saveGeneratedAgents from overwriting built-in defaults on the
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// first edit). Stage-generated ids are kept as-is so existing scene references
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// (scene.multiAgent.agentIds) remain valid after a roster edit.
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let roster: AgentRoster = [];
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if (stage.agentIds && stage.agentIds.length > 0) {
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roster = stage.agentIds
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.map((id) => {
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const cfg = resolvePreset(id);
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if (!cfg) return undefined;
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return isGlobalDefault(id) ? { ...cfg, id: makeId() } : { ...cfg };
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})
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.filter((cfg): cfg is GeneratedAgentConfig => cfg !== undefined);
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}
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// Step 3 — fallback to a single default teacher when nothing was resolved
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if (roster.length === 0) {
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return [createAgentConfig('teacher', 0, makeId())];
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}
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// Guarantee ≥1 teacher — prepend a default teacher when none present.
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// Use roster.length as the palette index so avatar/color cycling continues correctly.
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const hasTeacher = roster.some((a) => a.role === 'teacher');
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if (!hasTeacher) {
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return [createAgentConfig('teacher', roster.length, makeId()), ...roster];
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}
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return roster;
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}
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