Support both /api suffix and non-suffix API URLs

- Auto-detect if SECOND_BRAIN_API_URL ends with /api
- Only add /api prefix when base URL doesn't have it
- Works with: internal (192.168.1.16:8001), external (2brain.coer.nl),
  and external with /api suffix (2brain.coer.nl/api)

src/index.ts

@@ -19,9 +19,13 @@ import * as fs from "fs";
 import * as path from "path";
 
 // Configuration - can be overridden via environment variables
-// API_BASE_URL should point to the base (e.g., http://192.168.1.16:8001)
-// The /api/v1 prefix is added by apiRequest
-const API_BASE_URL = (process.env.SECOND_BRAIN_API_URL || "http://192.168.1.16:8001").replace(/\/+$/, "");
+// API_BASE_URL can be:
+//   - http://192.168.1.16:8001 (internal, /api/v1 prefix added)
+//   - https://2brain.coer.nl (external, /api/v1 prefix added)
+//   - https://2brain.coer.nl/api (external with /api, only /v1 added)
+const RAW_API_URL = (process.env.SECOND_BRAIN_API_URL || "http://192.168.1.16:8001").replace(/\/+$/, "");
+const API_BASE_URL = RAW_API_URL.endsWith("/api") ? RAW_API_URL : RAW_API_URL;
+const API_HAS_PREFIX = RAW_API_URL.endsWith("/api");
 const API_USERNAME = process.env.SECOND_BRAIN_USERNAME || "";
 const API_PASSWORD = process.env.SECOND_BRAIN_PASSWORD || "";
 
@@ -42,10 +46,19 @@ async function apiRequest(
   endpoint: string,
   options: RequestInit = {}
 ): Promise<Response> {
-  // Ensure endpoint starts with /api/v1
-  const normalizedEndpoint = endpoint.startsWith("/api/v1") 
-    ? endpoint 
-    : `/api${endpoint.startsWith("/v1") ? endpoint : `/v1${endpoint}`}`;
+  // Normalize endpoint to /v1/... format
+  let normalizedEndpoint = endpoint;
+  if (endpoint.startsWith("/api/v1")) {
+    normalizedEndpoint = endpoint.substring(4); // Remove /api prefix
+  } else if (!endpoint.startsWith("/v1")) {
+    normalizedEndpoint = `/v1${endpoint}`;
+  }
+  
+  // Add /api prefix only if base URL doesn't already have it
+  if (!API_HAS_PREFIX) {
+    normalizedEndpoint = `/api${normalizedEndpoint}`;
+  }
+  
   const url = `${API_BASE_URL}${normalizedEndpoint}`;
   const headers = {
     ...getAuthHeader(),