fix(web): remove Ask Sourcebot banner on new visit (#1675)

* fix(web): remove Ask Sourcebot first-visit tutorial

Co-authored-by: Michael Sukkarieh <msukkari@users.noreply.github.com>

* docs: note removal of Ask Sourcebot tutorial

Co-authored-by: Michael Sukkarieh <msukkari@users.noreply.github.com>

* docs: move Ask Sourcebot changelog entry to unreleased

Co-authored-by: Michael Sukkarieh <msukkari@users.noreply.github.com>

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Michael Sukkarieh <msukkari@users.noreply.github.com>

Author: msukkari

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Removed
+- Removed the Ask Sourcebot first-visit tutorial banner. [#1675](https://github.com/sourcebot-dev/sourcebot/pull/1675)
+
 ## [5.1.14] - 2026-09-17
 
 ### Added

packages/web/public/ask_sb_tutorial_at_mentions.png

@@ -12,7 +12,7 @@ import { createLogger, env, generateApiKey, getTokenFromConfig } from "@sourcebo
 import { StatusCodes } from "http-status-codes";
 import { cookies } from "next/headers";
 import { getBrowsePath } from "./app/(app)/browse/hooks/utils";
-import { AGENTIC_SEARCH_TUTORIAL_DISMISSED_COOKIE_NAME, MOBILE_UNSUPPORTED_SPLASH_SCREEN_DISMISSED_COOKIE_NAME } from "./lib/constants";
+import { MOBILE_UNSUPPORTED_SPLASH_SCREEN_DISMISSED_COOKIE_NAME } from "./lib/constants";
 import { RepositoryQuery } from "./lib/types";
 import { withAuth, withOptionalAuth } from "./middleware/withAuth";
 
@@ -367,16 +367,6 @@ export const getRepoImage = async (repoId: number): Promise<ArrayBuffer | Servic
     })
 });
 
-// eslint-disable-next-line authz/require-auth-wrapper -- UI-only preference cookie, no DB access
-export const setAgenticSearchTutorialDismissedCookie = async (dismissed: boolean) => sew(async () => {
-    const cookieStore = await cookies();
-    cookieStore.set(AGENTIC_SEARCH_TUTORIAL_DISMISSED_COOKIE_NAME, dismissed ? "true" : "false", {
-        httpOnly: false, // Allow client-side access
-        maxAge: 365 * 24 * 60 * 60, // 1 year in seconds
-    });
-    return true;
-});
-
 // eslint-disable-next-line authz/require-auth-wrapper -- UI-only preference cookie, no DB access
 export const dismissMobileUnsupportedSplashScreen = async () => sew(async () => {
     const cookieStore = await cookies();