Refactor local memory and role-fixed runtime routing

src/role-service-shadow.ts

@@ -0,0 +1,68 @@
+import {
+  ARBITER_SERVICE_ID,
+  CLAUDE_SERVICE_ID,
+  CODEX_MAIN_SERVICE_ID,
+  CODEX_REVIEW_SERVICE_ID,
+  normalizeServiceId,
+} from './config.js';
+import type { AgentType, PairedRoomRole } from './types.js';
+
+export function resolveRoleServiceShadow(
+  role: PairedRoomRole,
+  agentType: AgentType | null | undefined,
+): string | null {
+  if (!agentType) {
+    return null;
+  }
+  if (agentType === 'claude-code') {
+    return CLAUDE_SERVICE_ID;
+  }
+  if (role === 'owner') {
+    return CODEX_MAIN_SERVICE_ID;
+  }
+  if (role === 'arbiter') {
+    return ARBITER_SERVICE_ID ?? CODEX_REVIEW_SERVICE_ID;
+  }
+  return CODEX_REVIEW_SERVICE_ID;
+}
+
+export function inferAgentTypeFromServiceShadow(
+  serviceId: string | null | undefined,
+): AgentType | undefined {
+  if (!serviceId) {
+    return undefined;
+  }
+
+  const normalized = normalizeServiceId(serviceId);
+  if (normalized === CLAUDE_SERVICE_ID) {
+    return 'claude-code';
+  }
+  if (
+    normalized === CODEX_MAIN_SERVICE_ID ||
+    normalized === CODEX_REVIEW_SERVICE_ID ||
+    (ARBITER_SERVICE_ID != null && normalized === ARBITER_SERVICE_ID)
+  ) {
+    return 'codex';
+  }
+  return undefined;
+}
+
+export function inferRoleFromServiceShadow(
+  agentType: AgentType | null | undefined,
+  serviceId: string | null | undefined,
+): PairedRoomRole | null {
+  if (!agentType || !serviceId) {
+    return null;
+  }
+
+  const normalized = normalizeServiceId(serviceId);
+  const matches = (['owner', 'reviewer', 'arbiter'] as const).filter(
+    (role) => resolveRoleServiceShadow(role, agentType) === normalized,
+  );
+
+  if (matches.length !== 1) {
+    return null;
+  }
+
+  return matches[0];
+}