fix: use org_id param and remove accountId from artists list (#5)

The API now derives accountId from auth (x-api-key header) and uses
snake_case query params (org_id not orgId).

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: sweetmantech

__tests__/commands/artists.test.ts

@@ -51,7 +51,7 @@ describe("artists list", () => {
       from: "user",
     });
 
-    expect(get).toHaveBeenCalledWith("/api/artists", { orgId: "org-123" });
+    expect(get).toHaveBeenCalledWith("/api/artists", { org_id: "org-123" });
   });
 
   it("prints JSON with --json flag", async () => {

src/commands/artists.ts

@@ -9,7 +9,7 @@ const listCommand = new Command("list")
   .action(async (opts) => {
     try {
       const params: Record<string, string> = {};
-      if (opts.org) params.orgId = opts.org;
+      if (opts.org) params.org_id = opts.org;
       const data = await get("/api/artists", params);
       const artists = (data.artists as Record<string, unknown>[]) || [];