Enable “Continue in Claude” for chat handoffs#318232
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Pull request overview
Note
Copilot was unable to run its full agentic suite in this review.
Adds robust “Continue in Claude” delegation support, including preserving the selected model when opening the new session and improving how delegated context is forwarded.
Changes:
- Enable Claude as a valid “continue in” provider and surface it in continue-in UI/actions.
- Propagate
userSelectedModelIdwhen opening a new chat session and apply it to the model input state (editor + sidebar). - Delegate from non-Claude chats into a new Claude session with optional summarized context, and resolve summary-URI references into actual text blocks.
Reviewed changes
Copilot reviewed 12 out of 12 changed files in this pull request and generated 5 comments.
Show a summary per file
| File | Description |
|---|---|
| src/vs/workbench/contrib/chat/test/browser/agentSessions/agentSessionViewModel.test.ts | Adds coverage for getAgentCanContinueIn returning true for Claude. |
| src/vs/workbench/contrib/chat/browser/widgetHosts/editor/chatEditor.ts | Allows partial model input state and applies it earlier during editor initialization. |
| src/vs/workbench/contrib/chat/browser/widget/chatContentParts/chatSuggestNextWidget.ts | Imports Claude provider and introduces ordering for “continue in” contributions. |
| src/vs/workbench/contrib/chat/browser/chatSessions/chatSessions.contribution.ts | Adds userSelectedModelId plumbing, initializes input state from model metadata, and forwards the hint to sendRequest. |
| src/vs/workbench/contrib/chat/browser/agentSessions/agentSessions.ts | Updates continue-in eligibility to include Claude. |
| src/vs/workbench/contrib/chat/browser/actions/chatContinueInAction.ts | Adds “Continue in Claude” option when delegation is supported. |
| extensions/copilot/src/extension/chatSessions/vscode-node/test/claudeChatSessionContentProvider.spec.ts | Adds tests for delegation behavior, summary attachment forwarding, and cancellation handling. |
| extensions/copilot/src/extension/chatSessions/vscode-node/claudeChatSessionContentProvider.ts | Implements delegation to a new Claude session with summary attachment handling + model hinting. |
| extensions/copilot/src/extension/chatSessions/vscode-node/chatSessions.ts | Registers the delegation summary service in the extension’s service collection. |
| extensions/copilot/src/extension/chatSessions/claude/node/test/resolvePromptToContentBlocks.spec.ts | Adds test for resolving non-inline URI references via provided text. |
| extensions/copilot/src/extension/chatSessions/claude/node/claudePromptResolver.ts | Adds optional resolver hook to replace URI references with actual text. |
| extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts | Uses the resolver hook to inject summary document content into prompt blocks. |
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| case AgentSessionProviders.Local: | ||
| case AgentSessionProviders.Background: | ||
| case AgentSessionProviders.Cloud: | ||
| return true; | ||
| case AgentSessionProviders.Claude: | ||
| return true; |
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| const continueInProviderOrder = new Map<AgentSessionProviders, number>([ | ||
| [AgentSessionProviders.Background, 0], | ||
| [AgentSessionProviders.Cloud, 1], | ||
| [AgentSessionProviders.Claude, 2], | ||
| ]); |
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| }).sort((a, b) => { | ||
| const providerA = getAgentSessionProvider(a.type)!; | ||
| const providerB = getAgentSessionProvider(b.type)!; | ||
| return (continueInProviderOrder.get(providerA) ?? Number.MAX_SAFE_INTEGER) - (continueInProviderOrder.get(providerB) ?? Number.MAX_SAFE_INTEGER); | ||
| }); |
| return {}; | ||
| } | ||
|
|
||
| const attachedContext = []; |
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| const chatOptions: { prompt: string; attachedContext: typeof attachedContext; userSelectedModelId?: string } = { | ||
| prompt, | ||
| attachedContext, | ||
| }; |
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Fixes #300531
This enables Claude Agent as a functional
Continue Indestination from chat and plan-mode handoffs.Summary
Users can now continue work in Claude Agent from the existing
Continue InUI, including the plan-modeStart Implementationdropdown. The handoff opens a real Claude Agent session and starts it with the delegated task context.The implementation follows the existing Copilot CLI handoff pattern: when Claude is invoked from a non-Claude session, the Claude provider treats the request as a delegation, creates a new target session, and starts that session with summarized context rather than trying to process the source chat resource directly.
Details
@clauderequests from non-Claude sessions as delegated handoffs, matching the Copilot CLI pattern.claude-codesession with a concise delegated prompt and summary attachment.Validation
Figure 1: Claude Added to the Start Implementation Continue In Menu
Figure 2: Claude Handoff Starts a Delegated Agent Session From Plan Mode
Figure 3: Delegated Claude Session Uses Summary Context and Preserves the Selected Model
