refactor: drop legacy session store keys

src/config/sessions/group.ts

@@ -63,8 +63,8 @@ export function resolveGroupSessionKey(ctx: MsgContext): GroupKeyResolution | nu
   if (!isGroup) return null;
 
   const providerHint = ctx.Provider?.trim().toLowerCase();
-  const hasLegacyGroupPrefix = from.startsWith("group:");
-  const raw = (hasLegacyGroupPrefix ? from.slice("group:".length) : from).trim();
+  const hasGroupPrefix = from.startsWith("group:");
+  const raw = (hasGroupPrefix ? from.slice("group:".length) : from).trim();
 
   let provider: string | undefined;
   let kind: "group" | "channel" | undefined;
@@ -97,7 +97,7 @@ export function resolveGroupSessionKey(ctx: MsgContext): GroupKeyResolution | nu
     }
   };
 
-  if (hasLegacyGroupPrefix) {
+  if (hasGroupPrefix) {
     const legacyParts = raw.split(":").filter(Boolean);
     if (legacyParts.length > 1) {
       parseParts(legacyParts);
@@ -115,25 +115,19 @@ export function resolveGroupSessionKey(ctx: MsgContext): GroupKeyResolution | nu
 
   const resolvedProvider = provider ?? providerHint;
   if (!resolvedProvider) {
-    const legacy = hasLegacyGroupPrefix ? `group:${raw}` : `group:${from}`;
+    const legacy = hasGroupPrefix ? `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" ? "channel" : "group",

src/config/sessions/types.ts

@@ -1,6 +1,7 @@
 import crypto from "node:crypto";
 
 import type { Skill } from "@mariozechner/pi-coding-agent";
+import type { NormalizedChatType } from "../../channels/chat-type.js";
 import type { ChannelId } from "../../channels/plugins/types.js";
 import type { DeliveryContext } from "../../utils/delivery-context.js";
 
@@ -8,10 +9,7 @@ export type SessionScope = "per-sender" | "global";
 
 export type SessionChannelId = ChannelId | "webchat";
 
-export type SessionChatType =
-  | "direct"
-  | "group"
-  | "channel";
+export type SessionChatType = NormalizedChatType;
 
 export type SessionEntry = {
   /**
@@ -90,7 +88,6 @@ export function mergeSessionEntry(
 
 export type GroupKeyResolution = {
   key: string;
-  legacyKey?: string;
   channel?: string;
   id?: string;
   chatType?: SessionChatType;

src/config/types.base.ts

@@ -1,3 +1,5 @@
+import type { NormalizedChatType } from "../channels/chat-type.js";
+
 export type ReplyMode = "text" | "command";
 export type TypingMode = "never" | "instant" | "thinking" | "message";
 export type SessionScope = "per-sender" | "global";
@@ -41,7 +43,7 @@ export type HumanDelayConfig = {
 export type SessionSendPolicyAction = "allow" | "deny";
 export type SessionSendPolicyMatch = {
   channel?: string;
-  chatType?: "direct" | "group" | "channel";
+  chatType?: NormalizedChatType;
   keyPrefix?: string;
 };
 export type SessionSendPolicyRule = {

src/config/types.tools.ts

@@ -1,8 +1,9 @@
+import type { NormalizedChatType } from "../channels/chat-type.js";
 import type { AgentElevatedAllowFromConfig, SessionSendPolicyAction } from "./types.base.js";
 
 export type MediaUnderstandingScopeMatch = {
   channel?: string;
-  chatType?: "direct" | "group" | "channel";
+  chatType?: NormalizedChatType;
   keyPrefix?: string;
 };