feat: support outlook for calendar plus minor fixes

src/config/outlookCalendar.ts

@@ -0,0 +1,43 @@
+/**
+ * Outlook Calendar OAuth — public client config (extension).
+ * Client secret and token exchange live on accounts.betterseqta.org.
+ * See docs/OUTLOOK_CALENDAR_ACCOUNTS_CALLBACK.md
+ */
+
+import { ACCOUNTS_BASE } from "@/config/googleCalendar";
+
+const HARDCODED_OUTLOOK_OAUTH_CLIENT_ID =
+  "0b55168c-916c-4323-8f67-b3dd30af3c9e";
+
+const envClientId =
+  typeof __OUTLOOK_OAUTH_CLIENT_ID__ !== "undefined" ? __OUTLOOK_OAUTH_CLIENT_ID__ : "";
+
+export const OUTLOOK_OAUTH_CLIENT_ID: string =
+  envClientId.trim() || HARDCODED_OUTLOOK_OAUTH_CLIENT_ID.trim();
+
+/** Must match Azure app registration + accounts callback route exactly. */
+export const OUTLOOK_CALENDAR_OAUTH_CALLBACK = `${ACCOUNTS_BASE}/auth/microsoft/calendar/callback`;
+
+export const OUTLOOK_CALENDAR_TOKEN_URL = `${ACCOUNTS_BASE}/api/bsplus/microsoft/calendar/token`;
+export const OUTLOOK_CALENDAR_REFRESH_URL = `${ACCOUNTS_BASE}/api/bsplus/microsoft/calendar/refresh`;
+
+/** Delegated Graph scopes for create/update/delete calendar events. */
+export const OUTLOOK_CALENDAR_SCOPE = "offline_access Calendars.ReadWrite User.Read";
+
+export const OUTLOOK_AUTH_URL =
+  "https://login.microsoftonline.com/common/oauth2/v2.0/authorize";
+
+export const OUTLOOK_GRAPH_API = "https://graph.microsoft.com/v1.0";
+
+export const BSPLUS_OUTLOOK_CALENDAR_EVENT_CATEGORY = "BetterSEQTA+";
+
+export function isOutlookCalendarConfigured(): boolean {
+  return OUTLOOK_OAUTH_CLIENT_ID.length > 0;
+}
+
+export const OUTLOOK_CALENDAR_ACCOUNTS_NOT_READY_HINT =
+  "Outlook Calendar connect requires accounts.betterseqta.org — see docs/OUTLOOK_CALENDAR_ACCOUNTS_CALLBACK.md";
+
+export function outlookOAuthRedirectUriHint(): string {
+  return `Authorized redirect URI in Azure must be: ${OUTLOOK_CALENDAR_OAUTH_CALLBACK}`;
+}