chore: remove unused handleChatStream (all traffic goes through x402)

Since /api/chat now routes through x402, handleChatStream is no longer
used. Remove it and its tests to follow YAGNI principle.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: sweetmantech

app/api/accounts/[id]/route.ts

@@ -23,13 +23,10 @@ export async function OPTIONS() {
  * - id (required): The unique identifier of the account (UUID)
  *
  * @param request - The request object
+ * @param params.params
  * @param params - Route params containing the account ID
  * @returns A NextResponse with account data
  */
-export async function GET(
-  request: NextRequest,
-  { params }: { params: Promise<{ id: string }> },
-) {
+export async function GET(request: NextRequest, { params }: { params: Promise<{ id: string }> }) {
   return getAccountHandler(request, params);
 }
-

app/api/artists/route.ts

@@ -54,4 +54,3 @@ export async function GET(request: NextRequest) {
 export async function POST(request: NextRequest) {
   return createArtistPostHandler(request);
 }
-

app/api/connectors/authorize/route.ts

@@ -27,6 +27,7 @@ export async function OPTIONS() {
  * - connector: The connector slug, e.g., "googlesheets" (required)
  * - callback_url: Optional custom callback URL after OAuth
  *
+ * @param request
  * @returns The redirect URL for OAuth authorization
  */
 export async function POST(request: NextRequest): Promise<NextResponse> {
@@ -60,8 +61,7 @@ export async function POST(request: NextRequest): Promise<NextResponse> {
       { status: 200, headers },
     );
   } catch (error) {
-    const message =
-      error instanceof Error ? error.message : "Failed to authorize connector";
+    const message = error instanceof Error ? error.message : "Failed to authorize connector";
     return NextResponse.json({ error: message }, { status: 500, headers });
   }
 }

app/api/connectors/route.ts

@@ -24,6 +24,7 @@ export async function OPTIONS() {
  *
  * Authentication: x-api-key OR Authorization Bearer token required.
  *
+ * @param request
  * @returns List of connectors with connection status
  */
 export async function GET(request: NextRequest): Promise<NextResponse> {
@@ -49,8 +50,7 @@ export async function GET(request: NextRequest): Promise<NextResponse> {
       { status: 200, headers },
     );
   } catch (error) {
-    const message =
-      error instanceof Error ? error.message : "Failed to fetch connectors";
+    const message = error instanceof Error ? error.message : "Failed to fetch connectors";
     return NextResponse.json({ error: message }, { status: 500, headers });
   }
 }
@@ -63,6 +63,8 @@ export async function GET(request: NextRequest): Promise<NextResponse> {
  * Authentication: x-api-key OR Authorization Bearer token required.
  *
  * Body: { connected_account_id: string }
+ *
+ * @param request
  */
 export async function DELETE(request: NextRequest): Promise<NextResponse> {
   const headers = getCorsHeaders();
@@ -88,7 +90,7 @@ export async function DELETE(request: NextRequest): Promise<NextResponse> {
     if (!isOwner) {
       return NextResponse.json(
         { error: "Connected account not found or does not belong to this user" },
-        { status: 403, headers }
+        { status: 403, headers },
       );
     }
 
@@ -102,8 +104,7 @@ export async function DELETE(request: NextRequest): Promise<NextResponse> {
       { status: 200, headers },
     );
   } catch (error) {
-    const message =
-      error instanceof Error ? error.message : "Failed to disconnect connector";
+    const message = error instanceof Error ? error.message : "Failed to disconnect connector";
     return NextResponse.json({ error: message }, { status: 500, headers });
   }
 }

app/api/organizations/artists/route.ts

@@ -29,4 +29,3 @@ export async function OPTIONS() {
 export async function POST(request: NextRequest) {
   return addArtistToOrgHandler(request);
 }
-

app/api/organizations/route.ts

@@ -45,4 +45,3 @@ export async function GET(request: NextRequest) {
 export async function POST(request: NextRequest) {
   return createOrganizationHandler(request);
 }
-

app/api/spotify/artist/albums/route.ts

@@ -32,4 +32,3 @@ export async function OPTIONS() {
 export async function GET(request: NextRequest) {
   return getSpotifyArtistAlbumsHandler(request);
 }
-

app/api/transcribe/route.ts

@@ -2,6 +2,10 @@ import { NextRequest, NextResponse } from "next/server";
 import { processAudioTranscription } from "@/lib/transcribe/processAudioTranscription";
 import { formatTranscriptionError } from "@/lib/transcribe/types";
 
+/**
+ *
+ * @param req
+ */
 export async function POST(req: NextRequest) {
   try {
     const body = await req.json();
@@ -40,4 +44,3 @@ export async function POST(req: NextRequest) {
     return NextResponse.json({ error: message }, { status });
   }
 }
-

evals/catalog-songs-count.eval.ts

@@ -1,9 +1,6 @@
 import { Eval } from "braintrust";
 import { Factuality, AnswerCorrectness } from "autoevals";
-import {
-  callChatFunctionsWithResult,
-  extractTextFromResult,
-} from "@/lib/evals";
+import { callChatFunctionsWithResult, extractTextFromResult } from "@/lib/evals";
 import getCatalogSongsCountData from "@/lib/evals/getCatalogSongsCountData";
 
 /**

evals/first-week-album-sales.eval.ts

@@ -14,8 +14,7 @@ import { callChatFunctions } from "@/lib/evals";
 Eval("First Week Album Sales Evaluation", {
   data: () => [
     {
-      input:
-        "how many albums did Halsey The Great Impersonator sell the first week of release",
+      input: "how many albums did Halsey The Great Impersonator sell the first week of release",
       expected:
         "Halsey's album 'The Great Impersonator' sold between 93,000 and 100,000 copies in its first week of release. It debuted at No. 2 on the Billboard 200 chart.",
       metadata: {
@@ -26,8 +25,7 @@ Eval("First Week Album Sales Evaluation", {
       },
     },
     {
-      input:
-        "what were the first week sales for Taylor Swift's Midnights album?",
+      input: "what were the first week sales for Taylor Swift's Midnights album?",
       expected:
         "Taylor Swift's Midnights sold 1.578 million equivalent album units in its first week in the United States, which included between 1 million and 1.5 million pure album sales. This marked the biggest sales week for any album since Adele's 25 in 2015 and the best sales week for a vinyl album in the modern tracking era.",
       metadata: {
@@ -38,8 +36,7 @@ Eval("First Week Album Sales Evaluation", {
       },
     },
     {
-      input:
-        "how many copies did Drake's Certified Lover Boy sell in the first week",
+      input: "how many copies did Drake's Certified Lover Boy sell in the first week",
       expected:
         "Drake's 'Certified Lover Boy' sold approximately 613,000 album-equivalent units in its first week, securing the #1 spot on the Billboard 200 chart.",
       metadata: {
@@ -50,8 +47,7 @@ Eval("First Week Album Sales Evaluation", {
       },
     },
     {
-      input:
-        "what are the first week streaming numbers for Bad Bunny's Un Verano Sin Ti",
+      input: "what are the first week streaming numbers for Bad Bunny's Un Verano Sin Ti",
       expected:
         "In its first week of release in the United States, Bad Bunny's album Un Verano Sin Ti garnered over 355 million on-demand streams and 274,000 album-equivalent units, the most for any album that year and the largest streaming week for a Latin album ever at that time. The album also set a record for the biggest debut for a Latin album in Spotify's history.",
       metadata: {