diff --git a/src/config.ts b/src/config.ts
index 13ff1e3..37d9f60 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,5 +1,5 @@
 import { z } from "zod";
-import { ConfigError } from "./errors";
+import { ConfigError } from "./errors.ts";
 
 const configSchema = z
   .object({
diff --git a/src/database/drizzle.ts b/src/database/drizzle.ts
index 11cef8f..39ba49e 100644
--- a/src/database/drizzle.ts
+++ b/src/database/drizzle.ts
@@ -2,9 +2,9 @@ import Database from "better-sqlite3";
 import { drizzle as drizzleSqlite } from "drizzle-orm/better-sqlite3";
 import { drizzle as drizzlePostgres } from "drizzle-orm/node-postgres";
 import { Pool } from "pg";
-import { config } from "../config";
-import { createChildLogger } from "../logger";
-import * as schema from "./schema";
+import { config } from "../config.ts";
+import { createChildLogger } from "../logger.ts";
+import * as schema from "./schema.ts";
 
 const logger = createChildLogger("drizzle");
 
diff --git a/src/database/schema.ts b/src/database/schema.ts
index 2c86461..6948b6c 100644
--- a/src/database/schema.ts
+++ b/src/database/schema.ts
@@ -14,7 +14,7 @@ import {
   sqliteTable,
   text as sqliteText,
 } from "drizzle-orm/sqlite-core";
-import { config } from "../config";
+import { config } from "../config.ts";
 
 // PostgreSQL Schema
 // ==================
diff --git a/src/moderation/llmModerationClient.ts b/src/moderation/llmModerationClient.ts
index 6cfc1e3..f135c35 100644
--- a/src/moderation/llmModerationClient.ts
+++ b/src/moderation/llmModerationClient.ts
@@ -1,6 +1,6 @@
-import { config } from "../config";
-import { createChildLogger } from "../logger";
-import { retryWithBackoff } from "../retry";
+import { config } from "../config.ts";
+import { createChildLogger } from "../logger.ts";
+import { retryWithBackoff } from "../retry.ts";
 import type { AnalysisResult, MessageRecord } from "./types";
 
 const log = createChildLogger("llmModerationClient");
diff --git a/src/moderation/messageStore.ts b/src/moderation/messageStore.ts
index b4f6086..a2173c5 100644
--- a/src/moderation/messageStore.ts
+++ b/src/moderation/messageStore.ts
@@ -1,7 +1,7 @@
 import { and, asc, desc, eq, isNull, or, type SQL, sql } from "drizzle-orm";
-import { getDatabase } from "../database/drizzle";
-import { attachmentsTable, messagesTable } from "../database/schema";
-import { createChildLogger } from "../logger";
+import { getDatabase } from "../database/drizzle.ts";
+import { attachmentsTable, messagesTable } from "../database/schema.ts";
+import { createChildLogger } from "../logger.ts";
 import type {
   AttachmentRecord,
   MessageQuery,