fix(discord): add missing type exports and fix unused imports

- Re-export DirectoryConfigParams and ChannelDirectoryEntry from channels/targets
- Remove unused ChannelDirectoryEntry and resolveDiscordAccount imports
- Fix parseDiscordTarget calls to not pass incompatible options type
- Fix unused catch parameter

Fixes CI build failures on main.

🤖 Generated with Claude Code

src/channels/targets.ts

@@ -1,3 +1,6 @@
+export type { DirectoryConfigParams } from "./plugins/directory-config.js";
+export type { ChannelDirectoryEntry } from "./plugins/types.js";
+
 export type MessagingTargetKind = "user" | "channel";
 
 export type MessagingTarget = {

src/discord/targets.ts

@@ -10,7 +10,6 @@ import {
 import type { DirectoryConfigParams } from "../channels/plugins/directory-config.js";
 
 import { listDiscordDirectoryPeersLive } from "./directory-live.js";
-import { resolveDiscordAccount } from "./accounts.js";
 
 export type DiscordTargetKind = MessagingTargetKind;
 
@@ -104,7 +103,7 @@ export async function resolveDiscordTarget(
       const userId = match.id.replace(/^user:/, "");
       return buildMessagingTarget("user", userId, trimmed);
     }
-  } catch (error) {
+  } catch {
     // Directory lookup failed - fall through to parse as-is
     // This preserves existing behavior for channel names
   }

src/telegram/bot/helpers.test.ts

@@ -13,8 +13,12 @@ describe("resolveTelegramForumThreadId", () => {
   });
 
   it("returns undefined for non-forum groups without messageThreadId", () => {
-    expect(resolveTelegramForumThreadId({ isForum: false, messageThreadId: undefined })).toBeUndefined();
-    expect(resolveTelegramForumThreadId({ isForum: undefined, messageThreadId: 99 })).toBeUndefined();
+    expect(
+      resolveTelegramForumThreadId({ isForum: false, messageThreadId: undefined }),
+    ).toBeUndefined();
+    expect(
+      resolveTelegramForumThreadId({ isForum: undefined, messageThreadId: 99 }),
+    ).toBeUndefined();
   });
 
   it("returns General topic (1) for forum groups without messageThreadId", () => {