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Merge agents and chatsession folder#4058

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DonJayamanne merged 1 commit intomainfrom
don/surprising-badger
Feb 27, 2026
Merged

Merge agents and chatsession folder#4058
DonJayamanne merged 1 commit intomainfrom
don/surprising-badger

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@DonJayamanne DonJayamanne self-assigned this Feb 27, 2026
TylerLeonhardt
TylerLeonhardt previously approved these changes Feb 27, 2026
@DonJayamanne DonJayamanne marked this pull request as ready for review February 27, 2026 22:53
Copilot AI review requested due to automatic review settings February 27, 2026 22:53
@vs-code-engineering vs-code-engineering bot added this to the February 2026 milestone Feb 27, 2026
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Pull request overview

This PR restructures the extension’s Copilot CLI and Claude “agents” implementation into the chatSessions/ area, updating import paths throughout and adding new Copilot CLI (MCP + push notification) infrastructure and Claude session utilities consistent with the new folder layout.

Changes:

  • Moved Copilot CLI + Claude chat-session-related code from extension/agents/... into extension/chatSessions/... and updated imports in runtime + test code.
  • Added Copilot CLI VS Code-side MCP server contribution, tools (diff/selection/diagnostics/session naming), push notifications, lockfile management, and session tracking.
  • Added Claude chat-session registries (hooks, MCP servers, slash commands) + permission handlers and supporting utilities/tests under chatSessions/claude/....

Reviewed changes

Copilot reviewed 20 out of 168 changed files in this pull request and generated no comments.

Show a summary per file
File Description
test/e2e/cli.stest.ts Updates Copilot CLI import paths to new chatSessions/copilotcli/... locations.
src/extension/test/node/services.ts Re-points Claude service/test registrations to chatSessions/claude/....
src/extension/prompts/node/agent/test/parseAttachments.spec.ts Updates Copilot CLI prompt/image resolver imports to chatSessions/copilotcli/....
src/extension/chatSessions/vscode-node/test/folderRepositoryManager.spec.ts Updates session service import to local chatSessions/copilotcli/....
src/extension/chatSessions/vscode-node/test/copilotCLISDKUpgrade.spec.ts Updates shim copy helper imports to new Copilot CLI location.
src/extension/chatSessions/vscode-node/test/copilotCLIChatSessionParticipant.spec.ts Updates Copilot CLI imports to new chatSessions/copilotcli/... paths.
src/extension/chatSessions/vscode-node/test/claudeChatSessionContentProvider.spec.ts Updates Claude imports to new chatSessions/claude/... paths.
src/extension/chatSessions/vscode-node/test/chatSessionMetadataStoreImpl.spec.ts Updates cliHelpers import + mock path for new Copilot CLI location.
src/extension/chatSessions/vscode-node/test/chatHistoryBuilder.spec.ts Updates Claude session parser imports to new chatSessions/claude/... paths.
src/extension/chatSessions/vscode-node/test/askUserQuestionHandler.spec.ts Updates UserInputRequest import to new Copilot CLI location.
src/extension/chatSessions/vscode-node/folderRepositoryManagerImpl.ts Updates Copilot CLI imports to new relative locations within chatSessions.
src/extension/chatSessions/vscode-node/copilotCloudSessionsProvider.ts Updates delegation summary import to new Copilot CLI location.
src/extension/chatSessions/vscode-node/copilotCLIChatSessionsContribution.ts Updates Copilot CLI-related imports to new chatSessions/copilotcli/... paths.
src/extension/chatSessions/vscode-node/claudeChatSessionContentProvider.ts Updates Claude imports + self-registration imports to new chatSessions/claude/... paths.
src/extension/chatSessions/vscode-node/chatSessions.ts Updates Claude + Copilot CLI wiring imports to new chatSessions/... layout.
src/extension/chatSessions/vscode-node/chatSessionMetadataStoreImpl.ts Updates getCopilotCLISessionStateDir import to new Copilot CLI location.
src/extension/chatSessions/vscode-node/chatHistoryBuilder.ts Updates Claude formatter/schema imports to new chatSessions/claude/....
src/extension/chatSessions/vscode-node/askUserQuestionHandler.ts Updates Copilot CLI user-input helper import to new location.
src/extension/chatSessions/copilotcli/vscode-node/tools/utils.ts Adds shared MCP tool result formatting helper.
src/extension/chatSessions/copilotcli/vscode-node/tools/updateSessionName.ts Adds MCP tool to set a session display name via session tracker.
src/extension/chatSessions/copilotcli/vscode-node/tools/push/selectionChanged.ts Adds push notification for editor selection changes (debounced).
src/extension/chatSessions/copilotcli/vscode-node/tools/push/diagnosticsChanged.ts Adds push notification for diagnostics changes (debounced).
src/extension/chatSessions/copilotcli/vscode-node/tools/push/index.ts Exports push notification registration helpers.
src/extension/chatSessions/copilotcli/vscode-node/tools/index.ts Central registration for Copilot CLI MCP tools.
src/extension/chatSessions/copilotcli/vscode-node/tools/getVscodeInfo.ts Adds MCP tool returning VS Code env/version info.
src/extension/chatSessions/copilotcli/vscode-node/tools/getSelection.ts Adds MCP tool + cached state for selection retrieval.
src/extension/chatSessions/copilotcli/vscode-node/tools/getDiagnostics.ts Adds MCP tool for VS Code diagnostics (optionally per-URI).
src/extension/chatSessions/copilotcli/vscode-node/tools/closeDiff.ts Adds MCP tool to close a diff by tab name.
src/extension/chatSessions/copilotcli/vscode-node/readonlyContentProvider.ts Adds readonly content provider + URI factory for diff views.
src/extension/chatSessions/copilotcli/vscode-node/lockFile.ts Adds lockfile creation/update/removal + stale lockfile cleanup.
src/extension/chatSessions/copilotcli/vscode-node/diffState.ts Adds in-memory diff tracking + context key updates.
src/extension/chatSessions/copilotcli/vscode-node/contribution.ts Adds Copilot CLI VS Code contribution wiring server/tools/commands/lockfile.
src/extension/chatSessions/copilotcli/vscode-node/commands/context.ts Adds context key management for “has session connected”.
src/extension/chatSessions/copilotcli/vscode-node/commands/diffCommands.ts Adds accept/reject commands for active diff tabs.
src/extension/chatSessions/copilotcli/vscode-node/commands/addSelection.ts Adds “add selection” command that sends editor context to CLI session.
src/extension/chatSessions/copilotcli/vscode-node/commands/addFileReference.ts Adds “add file reference” command (explorer URI or active editor).
src/extension/chatSessions/copilotcli/vscode-node/commands/sendContext.ts Implements URI scheme validation + notification sending for file/selection context.
src/extension/chatSessions/copilotcli/vscode-node/commands/pickSession.ts Adds session picker logic using session tracker display names.
src/extension/chatSessions/copilotcli/vscode-node/commands/index.ts Exposes Copilot CLI command registrations.
src/extension/chatSessions/copilotcli/vscode-node/test/updateSessionName.spec.ts Unit tests for update_session_name MCP tool behavior.
src/extension/chatSessions/copilotcli/vscode-node/test/selectionChanged.spec.ts Unit tests for selection change push notification behavior.
src/extension/chatSessions/copilotcli/vscode-node/test/readonlyContentProvider.spec.ts Unit tests for readonly content provider storage/registration.
src/extension/chatSessions/copilotcli/vscode-node/test/inProcHttpServer.spec.ts Unit tests for server disconnect listener behavior.
src/extension/chatSessions/copilotcli/vscode-node/test/getVscodeInfo.spec.ts Unit tests for VS Code info MCP tool.
src/extension/chatSessions/copilotcli/vscode-node/test/getSelection.spec.ts Unit tests for selection info/state + MCP tool.
src/extension/chatSessions/copilotcli/vscode-node/test/diffCommands.spec.ts Unit tests for accept/reject diff commands.
src/extension/chatSessions/copilotcli/vscode-node/test/context.spec.ts Unit tests for session-connected context key behavior.
src/extension/chatSessions/copilotcli/vscode-node/test/closeAllForSession.spec.ts Unit tests for closing diffs when a session disconnects.
src/extension/chatSessions/copilotcli/node/userInputHelpers.ts Adds Copilot CLI user-input helper types + handler interface under chatSessions.
src/extension/chatSessions/copilotcli/node/cliHelpers.ts Adds state dir helpers under new Copilot CLI location.
src/extension/chatSessions/copilotcli/node/ripgrepShim.ts Adds/relocates ripgrep shim materialization logic.
src/extension/chatSessions/copilotcli/node/nodePtyShim.ts Adjusts error typing in node-pty shim copy/retry logic.
src/extension/chatSessions/copilotcli/node/logger.ts Minor formatting change after relocation.
src/extension/chatSessions/copilotcli/node/customSessionTitleServiceImpl.ts Adds custom session title persistence implementation in new location.
src/extension/chatSessions/copilotcli/common/customSessionTitleService.ts Adds Copilot CLI custom session title service interface in new location.
src/extension/chatSessions/copilotcli/common/delegationSummaryService.ts Adds delegation summary service in new chatSessions structure.
src/extension/chatSessions/common/externalEditTracker.ts Introduces shared external edit lifecycle tracking (used by Claude + CLI).
src/extension/chatSessions/common/test/externalEditTracker.spec.ts Unit tests for external edit tracker ignore-directory filtering.
src/extension/chatSessions/claude/common/claudeTools.ts Adds Claude tool name/type mapping and edit-tool URI extraction utilities.
src/extension/chatSessions/claude/common/claudeToolPermission.ts Adds Claude tool permission handler contracts + result types.
src/extension/chatSessions/claude/common/claudeToolPermissionRegistry.ts Adds global registry for permission handlers.
src/extension/chatSessions/claude/common/claudeToolPermissionService.ts Adds permission orchestration service (auto-approve/confirm/custom handlers).
src/extension/chatSessions/claude/common/toolPermissionHandlers/index.ts Adds common permission handler self-registration entrypoint.
src/extension/chatSessions/claude/common/toolPermissionHandlers/askUserQuestionHandler.ts Adds handler delegating to core ask-questions tool.
src/extension/chatSessions/claude/common/toolPermissionHandlers/bashToolHandler.ts Adds bash confirmation handler using terminal confirmation tool.
src/extension/chatSessions/claude/common/toolPermissionHandlers/exitPlanModeHandler.ts Adds ExitPlanMode confirmation handler showing Claude’s plan.
src/extension/chatSessions/claude/common/claudeHookRegistry.ts Adds hook registry + builder using DI.
src/extension/chatSessions/claude/common/hooks/index.ts Adds common hooks self-registration entrypoint.
src/extension/chatSessions/claude/common/claudeMcpServerRegistry.ts Adds MCP server contributor registry + builder using DI.
src/extension/chatSessions/claude/common/mcpServers/index.ts Adds common MCP server self-registration entrypoint.
src/extension/chatSessions/claude/common/mcpServers/ideMcpServer.ts Adds “ide” MCP server (diagnostics tool) contribution.
src/extension/chatSessions/claude/common/slashCommands/index.ts Adds common slash commands self-registration entrypoint.
src/extension/chatSessions/claude/common/claudeSessionUri.ts Adds URI helpers for Claude session scheme.
src/extension/chatSessions/claude/common/claudeFolderInfo.ts Adds Claude folder metadata type.
src/extension/chatSessions/claude/node/hooks/index.ts Adds node hook self-registration entrypoint.
src/extension/chatSessions/claude/node/hooks/loggingHooks.ts Adds node logging hooks for SDK events.
src/extension/chatSessions/claude/node/hooks/sessionHooks.ts Adds session start/end logging hooks.
src/extension/chatSessions/claude/node/hooks/subagentHooks.ts Adds subagent start/stop logging hooks.
src/extension/chatSessions/claude/node/hooks/toolHooks.ts Adds tool-use logging hooks + plan mode tracking hook.
src/extension/chatSessions/claude/node/mcpServers/index.ts Adds node MCP self-registration entrypoint.
src/extension/chatSessions/claude/node/slashCommands/index.ts Adds node slash-command self-registration entrypoint.
src/extension/chatSessions/claude/node/toolPermissionHandlers/index.ts Adds node permission handler self-registration entrypoint.
src/extension/chatSessions/claude/node/toolPermissionHandlers/editToolHandler.ts Adds auto-approve policy for edit tools based on mode/workspace.
src/extension/chatSessions/claude/node/claudeProjectFolders.ts Adds Claude project folder discovery + slug computation.
src/extension/chatSessions/claude/node/claudeSessionTitleService.ts Adds persistent title writing for Claude sessions to JSONL.
src/extension/chatSessions/claude/node/test/claudeProjectFolders.spec.ts Unit tests for folder slugging and folder discovery behavior.
src/extension/chatSessions/claude/node/test/extractSessionId.spec.ts Unit tests for session id extraction + beta filtering.
src/extension/chatSessions/claude/node/test/mockClaudeToolPermissionService.ts Adds mock permission service for testing.
src/extension/chatSessions/claude/node/test/mockClaudeCodeModels.ts Adds mock Claude model list for tests.
src/extension/chatSessions/claude/node/test/mockClaudeCodeSdkService.ts Minor formatting change after relocation.
src/extension/chatSessions/claude/node/test/fixtures/*.jsonl Adds Claude session fixture JSONL test data.
src/extension/chatSessions/claude/common/test/claudeToolPermissionRegistry.spec.ts Unit tests for permission handler registry behavior.
src/extension/chatSessions/claude/vscode-node/hooks/index.ts Adds VS Code hook self-registration entrypoint.
src/extension/chatSessions/claude/vscode-node/mcpServers/index.ts Adds VS Code MCP self-registration entrypoint.
src/extension/chatSessions/claude/vscode-node/slashCommands/index.ts Adds VS Code slash commands self-registration entrypoint.
src/extension/chatSessions/claude/vscode-node/slashCommands/claudeSlashCommandRegistry.ts Adds slash command registry + registration helpers.
src/extension/chatSessions/claude/vscode-node/claudeSlashCommandService.ts Adds service to parse/dispatch slash commands and register VS Code commands.
src/extension/chatSessions/claude/vscode-node/toolPermissionHandlers/index.ts Adds VS Code permission handler self-registration entrypoint.

@DonJayamanne DonJayamanne added this pull request to the merge queue Feb 27, 2026
Merged via the queue into main with commit 2947d38 Feb 27, 2026
23 checks passed
@DonJayamanne DonJayamanne deleted the don/surprising-badger branch February 27, 2026 23:21
mexicodxnmexico-create added a commit to mexicodxnmexico-create/vscode-copilot-chat that referenced this pull request Feb 28, 2026
* Revert "cli - do not trust empty changes (microsoft/vscode#297975) (microsoft#4036)" (microsoft#4063)

This reverts commit 420c26f.

* Run command tool should include command result (microsoft#4061)

* Run command tool should include command result
Part of microsoft/vscode#298181

* CCR feedback

* Support CAPI WebSocket connections (microsoft#4068) (microsoft#4069)

* Add a maximum date of the comparison commit for the 1p repo telemetry info (microsoft#3774)

* initial passes with copilot before testing

* only pass on successful date

* add tests for new functionality

* return tooOld for all date failures

* remove extra logging, info is already in telemetry and may be too noisy

* fix test that used custom repo mock

---------

Co-authored-by: Ian Huff <ianhuff@Mac.home>
Co-authored-by: Ian Huff <ianhuff@Ians-MacBook-Pro-2.local>

* 0.39.0 (microsoft#4057)

* Make auto have provider affiniy (microsoft#4072)

* Pipe vendor from CAPI through to chat endpoint

* Adopt discussed auto mode behavior

* Update src/platform/endpoint/node/test/automodeService.spec.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Hold external repo info telemetry (microsoft#4075)

* Hold external repo info telemetry

* Update src/extension/prompt/node/repoInfoTelemetry.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update test to reflect no external telemetry for non-internal users

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* pass in the URL for the proxy to the CLI session (microsoft#4070)

* Update telemetry pkg (microsoft#4078)

* Merge agents and chatsession folder (microsoft#4058)

* Remove duplicated memory tool in picker (microsoft#4079)

* fixes microsoft/vscode#297010

* address feedback

* 🎨 Palette: Add aria-busy state to webview loading container

💡 What: Toggles `aria-busy` attribute on the `solutionsContainer` during async loading phases.
🎯 Why: To prevent screen reader users from experiencing silent, disorienting DOM changes when dynamic webview content updates.
♿ Accessibility: Improves loading state communication to assistive technologies.

Co-authored-by: mexicodxnmexico-create <245638303+mexicodxnmexico-create@users.noreply.github.com>

* Background - clean worktree changes cache at the end of the turn (microsoft#4083)

* 🎨 Palette: Add aria-busy state to webview loading container

💡 What: Toggles `aria-busy` attribute on the `solutionsContainer` during async loading phases.
🎯 Why: To prevent screen reader users from experiencing silent, disorienting DOM changes when dynamic webview content updates.
♿ Accessibility: Improves loading state communication to assistive technologies.

Co-authored-by: mexicodxnmexico-create <245638303+mexicodxnmexico-create@users.noreply.github.com>

---------

Co-authored-by: Benjamin Pasero <benjamin.pasero@microsoft.com>
Co-authored-by: Alex Ross <38270282+alexr00@users.noreply.github.com>
Co-authored-by: Christof Marti <chrmarti@microsoft.com>
Co-authored-by: Ian Huff <ian.huff@gmail.com>
Co-authored-by: Ian Huff <ianhuff@Mac.home>
Co-authored-by: Ian Huff <ianhuff@Ians-MacBook-Pro-2.local>
Co-authored-by: Ben Villalobos <bevillal@microsoft.com>
Co-authored-by: Logan Ramos <loganramos@microsoft.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Zhichao Li <57812115+zhichli@users.noreply.github.com>
Co-authored-by: Aaron Munger <2019016+amunger@users.noreply.github.com>
Co-authored-by: Vijay Upadya <41652029+vijayupadya@users.noreply.github.com>
Co-authored-by: Don Jayamanne <don.jayamanne@outlook.com>
Co-authored-by: SteVen Batten <sbatten@microsoft.com>
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: mexicodxnmexico-create <245638303+mexicodxnmexico-create@users.noreply.github.com>
Co-authored-by: Ladislau Szomoru <3372902+lszomoru@users.noreply.github.com>
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