refactor(src): split oversized modules

src/config/sessions/main-session.ts

@@ -0,0 +1,65 @@
+import {
+  buildAgentMainSessionKey,
+  DEFAULT_AGENT_ID,
+  normalizeAgentId,
+  normalizeMainKey,
+  resolveAgentIdFromSessionKey,
+} from "../../routing/session-key.js";
+import { loadConfig } from "../config.js";
+import type { SessionScope } from "./types.js";
+
+export function resolveMainSessionKey(cfg?: {
+  session?: { scope?: SessionScope; mainKey?: string };
+  agents?: { list?: Array<{ id?: string; default?: boolean }> };
+}): string {
+  if (cfg?.session?.scope === "global") return "global";
+  const agents = cfg?.agents?.list ?? [];
+  const defaultAgentId =
+    agents.find((agent) => agent?.default)?.id ??
+    agents[0]?.id ??
+    DEFAULT_AGENT_ID;
+  const agentId = normalizeAgentId(defaultAgentId);
+  const mainKey = normalizeMainKey(cfg?.session?.mainKey);
+  return buildAgentMainSessionKey({ agentId, mainKey });
+}
+
+export function resolveMainSessionKeyFromConfig(): string {
+  return resolveMainSessionKey(loadConfig());
+}
+
+export { resolveAgentIdFromSessionKey };
+
+export function resolveAgentMainSessionKey(params: {
+  cfg?: { session?: { mainKey?: string } };
+  agentId: string;
+}): string {
+  const mainKey = normalizeMainKey(params.cfg?.session?.mainKey);
+  return buildAgentMainSessionKey({ agentId: params.agentId, mainKey });
+}
+
+export function canonicalizeMainSessionAlias(params: {
+  cfg?: { session?: { scope?: SessionScope; mainKey?: string } };
+  agentId: string;
+  sessionKey: string;
+}): string {
+  const raw = params.sessionKey.trim();
+  if (!raw) return raw;
+
+  const agentId = normalizeAgentId(params.agentId);
+  const mainKey = normalizeMainKey(params.cfg?.session?.mainKey);
+  const agentMainSessionKey = buildAgentMainSessionKey({ agentId, mainKey });
+  const agentMainAliasKey = buildAgentMainSessionKey({
+    agentId,
+    mainKey: "main",
+  });
+
+  const isMainAlias =
+    raw === "main" ||
+    raw === mainKey ||
+    raw === agentMainSessionKey ||
+    raw === agentMainAliasKey;
+
+  if (params.cfg?.session?.scope === "global" && isMainAlias) return "global";
+  if (isMainAlias) return agentMainSessionKey;
+  return raw;
+}