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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 22 Oct 2026
One change · api

sessions changedmanaged-agents/sessions

Nearest release: v2.1.309, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+2added
Lines−10removed
From line 144 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits21to this page, all time

The whole hunk

from line 144, old and new numbered
/
lines
from line 144
144144 pinnedSession, err := client.Beta.Sessions.New(ctx, anthropic.BetaSessionNewParams{
145145 Agent: anthropic.BetaSessionNewParamsAgentUnion{
146146 OfBetaManagedAgentsAgents: &anthropic.BetaManagedAgentsAgentParams{
147 Type: anthropic.BetaManagedAgentsAgentParamsTypeAgent,
148147 ID: agent.ID,
149148 Version: anthropic.Int(1),
150149 },
from line 309
310309 EnvironmentID: environment.ID,
311310 InitialEvents: []anthropic.BetaSessionNewParamsInitialEventUnion{{
312311 OfUserMessage: &anthropic.BetaManagedAgentsUserMessageEventParams{
313 Type: anthropic.BetaManagedAgentsUserMessageEventParamsTypeUserMessage,
314312 Content: []anthropic.BetaManagedAgentsUserMessageEventParamsContentUnion{{
315313 OfText: &anthropic.BetaManagedAgentsTextBlockParam{
316 Type: anthropic.BetaManagedAgentsTextBlockTypeText,
317314 Text: "List the files in the working directory.",
318315 },
319316 }},
from line 528
531528 overrideSession, err := client.Beta.Sessions.New(ctx, anthropic.BetaSessionNewParams{
532529 Agent: anthropic.BetaSessionNewParamsAgentUnion{
533530 OfBetaManagedAgentsAgentWithOverridess: &anthropic.BetaManagedAgentsAgentWithOverridesParams{
534 Type: anthropic.BetaManagedAgentsAgentWithOverridesParamsTypeAgentWithOverrides,
535 ID: agent.ID,
531 ID: agent.ID,
536532 Model: anthropic.BetaManagedAgentsModelConfigParams{
537533 ID: anthropic.BetaManagedAgentsModelClaudeSonnet5_5,
538534 },
from line 683
687683 session, err := client.Beta.Sessions.New(ctx, anthropic.BetaSessionNewParams{
688684 Agent: anthropic.BetaSessionNewParamsAgentUnion{
689685 OfBetaManagedAgentsAgentWithOverridess: &anthropic.BetaManagedAgentsAgentWithOverridesParams{
690 Type: anthropic.BetaManagedAgentsAgentWithOverridesParamsTypeAgentWithOverrides,
691 ID: agent.ID,
686 ID: agent.ID,
692687 // Replaces the agent's `model` in full: restate `id`, add `inference_geo` to pin.
693688 Model: anthropic.BetaManagedAgentsModelConfigParams{
694689 ID: anthropic.BetaManagedAgentsModelClaudeOpus5_5,
from line 822
827822 },
828823 EnvironmentID: environment.ID,
829824 Budget: anthropic.BetaManagedAgentsBudgetLimitParam{
830 Type: anthropic.BetaManagedAgentsBudgetLimitTypeLimit,
831825 MaxListCost: anthropic.BetaMonetaryAmountParam{
832826 Amount: "125",
833827 Currency: anthropic.BetaCurrencyUsd,
from line 1044
10501044 if _, err := client.Beta.Sessions.Events.Send(ctx, session.ID, anthropic.BetaSessionEventSendParams{
10511045 Events: []anthropic.BetaManagedAgentsEventParamsUnion{{
10521046 OfUserMessage: &anthropic.BetaManagedAgentsUserMessageEventParams{
1053 Type: anthropic.BetaManagedAgentsUserMessageEventParamsTypeUserMessage,
10541047 Content: []anthropic.BetaManagedAgentsUserMessageEventParamsContentUnion{{
10551048 OfText: &anthropic.BetaManagedAgentsTextBlockParam{
1056 Type: anthropic.BetaManagedAgentsTextBlockTypeText,
10571049 Text: "List the files in the working directory.",
10581050 },
10591051 }},
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