feat: Expose organization-wide concurrent browser capacity

Stainless-Generated-From: 3cbbdadb5bad3b3d3192976206eaf515db7a1263

Author: kernel-internal[bot]

src/kernel/resources/organization/limits.py

@@ -55,7 +55,10 @@ def retrieve(
         extra_body: Body | None = None,
         timeout: float | httpx.Timeout | None | NotGiven = not_given,
     ) -> OrgLimits:
-        """Get the organization's effective limits and managed auth and vault usage."""
+        """
+        Get the organization's effective limits and current concurrency, managed auth,
+        and vault usage.
+        """
         return self._get(
             "/org/limits",
             options=make_request_options(
@@ -138,7 +141,10 @@ async def retrieve(
         extra_body: Body | None = None,
         timeout: float | httpx.Timeout | None | NotGiven = not_given,
     ) -> OrgLimits:
-        """Get the organization's effective limits and managed auth and vault usage."""
+        """
+        Get the organization's effective limits and current concurrency, managed auth,
+        and vault usage.
+        """
         return await self._get(
             "/org/limits",
             options=make_request_options(

src/kernel/types/organization/org_limits.py

@@ -15,6 +15,19 @@ class OrgLimits(BaseModel):
     remaining capacity before a create is rejected with 403 insufficient_plan.
     """
 
+    concurrent_sessions_available: Optional[int] = None
+    """Number of concurrent browser slots currently available to the organization.
+
+    This is the effective concurrency limit minus active on-demand sessions and
+    browser pool reservations, floored at zero. Null when usage cannot be read.
+    """
+
+    concurrent_sessions_used: Optional[int] = None
+    """
+    Current organization-wide concurrent browser usage, including active on-demand
+    sessions and browser pool reservations. Null when usage cannot be read.
+    """
+
     max_auth_connections: Optional[int] = None
     """Maximum managed auth connections the organization's plan allows.