refactor(src): split oversized modules

src/config/sessions/group.ts

@@ -0,0 +1,150 @@
+import type { MsgContext } from "../../auto-reply/templating.js";
+import { CHANNEL_IDS } from "../../channels/registry.js";
+import type { GroupKeyResolution } from "./types.js";
+
+const GROUP_SURFACES = new Set<string>([...CHANNEL_IDS, "webchat"]);
+
+function normalizeGroupLabel(raw?: string) {
+  const trimmed = raw?.trim().toLowerCase() ?? "";
+  if (!trimmed) return "";
+  const dashed = trimmed.replace(/\s+/g, "-");
+  const cleaned = dashed.replace(/[^a-z0-9#@._+-]+/g, "-");
+  return cleaned.replace(/-{2,}/g, "-").replace(/^[-.]+|[-.]+$/g, "");
+}
+
+function shortenGroupId(value?: string) {
+  const trimmed = value?.trim() ?? "";
+  if (!trimmed) return "";
+  if (trimmed.length <= 14) return trimmed;
+  return `${trimmed.slice(0, 6)}...${trimmed.slice(-4)}`;
+}
+
+export function buildGroupDisplayName(params: {
+  provider?: string;
+  subject?: string;
+  room?: string;
+  space?: string;
+  id?: string;
+  key: string;
+}) {
+  const providerKey = (params.provider?.trim().toLowerCase() || "group").trim();
+  const room = params.room?.trim();
+  const space = params.space?.trim();
+  const subject = params.subject?.trim();
+  const detail =
+    (room && space
+      ? `${space}${room.startsWith("#") ? "" : "#"}${room}`
+      : room || subject || space || "") || "";
+  const fallbackId = params.id?.trim() || params.key.replace(/^group:/, "");
+  const rawLabel = detail || fallbackId;
+  let token = normalizeGroupLabel(rawLabel);
+  if (!token) {
+    token = normalizeGroupLabel(shortenGroupId(rawLabel));
+  }
+  if (!params.room && token.startsWith("#")) {
+    token = token.replace(/^#+/, "");
+  }
+  if (
+    token &&
+    !/^[@#]/.test(token) &&
+    !token.startsWith("g-") &&
+    !token.includes("#")
+  ) {
+    token = `g-${token}`;
+  }
+  return token ? `${providerKey}:${token}` : providerKey;
+}
+
+export function resolveGroupSessionKey(
+  ctx: MsgContext,
+): GroupKeyResolution | null {
+  const from = typeof ctx.From === "string" ? ctx.From.trim() : "";
+  if (!from) return null;
+  const chatType = ctx.ChatType?.trim().toLowerCase();
+  const isGroup =
+    chatType === "group" ||
+    from.startsWith("group:") ||
+    from.includes("@g.us") ||
+    from.includes(":group:") ||
+    from.includes(":channel:");
+  if (!isGroup) return null;
+
+  const providerHint = ctx.Provider?.trim().toLowerCase();
+  const hasLegacyGroupPrefix = from.startsWith("group:");
+  const raw = (
+    hasLegacyGroupPrefix ? from.slice("group:".length) : from
+  ).trim();
+
+  let provider: string | undefined;
+  let kind: "group" | "channel" | undefined;
+  let id = "";
+
+  const parseKind = (value: string) => {
+    if (value === "channel") return "channel";
+    return "group";
+  };
+
+  const parseParts = (parts: string[]) => {
+    if (parts.length >= 2 && GROUP_SURFACES.has(parts[0])) {
+      provider = parts[0];
+      if (parts.length >= 3) {
+        const kindCandidate = parts[1];
+        if (["group", "channel"].includes(kindCandidate)) {
+          kind = parseKind(kindCandidate);
+          id = parts.slice(2).join(":");
+        } else {
+          id = parts.slice(1).join(":");
+        }
+      } else {
+        id = parts[1];
+      }
+      return;
+    }
+    if (parts.length >= 2 && ["group", "channel"].includes(parts[0])) {
+      kind = parseKind(parts[0]);
+      id = parts.slice(1).join(":");
+    }
+  };
+
+  if (hasLegacyGroupPrefix) {
+    const legacyParts = raw.split(":").filter(Boolean);
+    if (legacyParts.length > 1) {
+      parseParts(legacyParts);
+    } else {
+      id = raw;
+    }
+  } else if (from.includes("@g.us") && !from.includes(":")) {
+    id = from;
+  } else {
+    parseParts(from.split(":").filter(Boolean));
+    if (!id) {
+      id = raw || from;
+    }
+  }
+
+  const resolvedProvider = provider ?? providerHint;
+  if (!resolvedProvider) {
+    const legacy = hasLegacyGroupPrefix ? `group:${raw}` : `group:${from}`;
+    return {
+      key: legacy,
+      id: raw || from,
+      legacyKey: legacy,
+      chatType: "group",
+    };
+  }
+
+  const resolvedKind = kind === "channel" ? "channel" : "group";
+  const key = `${resolvedProvider}:${resolvedKind}:${id || raw || from}`;
+  let legacyKey: string | undefined;
+  if (hasLegacyGroupPrefix || from.includes("@g.us")) {
+    legacyKey = `group:${id || raw || from}`;
+  }
+
+  return {
+    key,
+    legacyKey,
+    channel: resolvedProvider,
+    id: id || raw || from,
+    chatType: resolvedKind === "channel" ? "room" : "group",
+  };
+}