Add assert to check for organization plan name

[Alex (alxhotel)]

Adds an assert to verify that the organization is inside a an enterprise plan

cc Douglas (@dacoburn)

---

Note

Medium Risk
Startup now hard-fails for non-Enterprise orgs; if plan is missing from the API response, org_plan.lower() could raise instead of the intended error message.

Overview
This PR gates socketsync startup on an Enterprise organization plan. During set_org_vars(), the client now loads the org plan from the Socket API (alongside id and slug) and immediately validates it.

get_org_id_slug() is replaced by get_org_id_slug_plan(), which reads plan from the org payload. A new assert_enterprise_plan() treats the plan as Enterprise when "enterprise" appears in the plan name (case-insensitive) and raises with a clear message if not, so non-Enterprise tokens fail fast before scans or sync run.

^{Reviewed by Cursor Bugbot for commit d08c3d7. Configure here.}

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Null plan crashes enterprise assert
  • Added a None check before calling .lower() on org_plan, treating None as non-enterprise to raise the intended Exception instead of AttributeError.

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@cursor push 2eed708b51

Preview (2eed708b51)

diff --git a/socketsync/core.py b/socketsync/core.py
--- a/socketsync/core.py
+++ b/socketsync/core.py
@@ -175,7 +175,7 @@
         :return: None
         :raises Exception: if the organization is not on the Enterprise plan
         """
-        is_enterprise = "enterprise" in org_plan.lower()
+        is_enterprise = org_plan is not None and "enterprise" in org_plan.lower()
         if not is_enterprise:
             raise Exception("This script requires an Enterprise plan organization")

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^{Reviewed by Cursor Bugbot for commit d08c3d7. Configure here.}