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Add Agents window startup A/A experiment trigger - #328454
Merged
Benjamin Christopher Simmonds (benibenj) merged 2 commits intoAug 4, 2026
Merged
Benjamin Christopher Simmonds (benibenj) merged 2 commits into
Benjamin Christopher Simmonds (benibenj) merged 2 commits into
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Read agentsWindowStartupAA at BlockStartup when the Agents window first starts so ExP can measure A/A assignment without changing UX. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: d4d39cd2-7ec9-4170-a2e6-e3de5579589d
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Pull request overview
Adds an Agents window startup A/A experiment exposure read.
Changes:
- Reads
agentsWindowStartupAAduring startup. - Registers the contribution for desktop Agents windows.
- Adds unit coverage and documentation.
Show a summary per file
| File | Description |
|---|---|
src/vs/sessions/SESSIONS.md |
Documents the startup experiment. |
sessionsWindowStartupExperiment.test.ts |
Verifies the treatment read. |
sessionsWindowStartupExperiment.ts |
Implements the experiment contribution. |
chat.contribution.ts |
Registers the desktop startup contribution. |
Review details
- Files reviewed: 4/4 changed files
- Comments generated: 1
- Review effort level: Balanced
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| registerWorkbenchContribution2(SelectAgentsFolderContribution.ID, SelectAgentsFolderContribution, WorkbenchPhase.BlockStartup); | ||
| registerWorkbenchContribution2(SessionsWindowStartupExperiment.ID, SessionsWindowStartupExperiment, WorkbenchPhase.BlockStartup); |
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: d4d39cd2-7ec9-4170-a2e6-e3de5579589d
Contributor
Author
Member
|
Ralph Feltis (@rfeltis) are you working with anyone on our team to land this? |
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Author
|
Hey Connor Peet (@connor4312) , I'll be working with Benjamin Christopher Simmonds (@benibenj) to land this. I'll probably need 2 stamps. Is this the right place to trigger an experiment on Agents window start? |
Ralph Feltis (rfeltis)
marked this pull request as ready for review
August 3, 2026 23:46
Benjamin Christopher Simmonds (benibenj)
approved these changes
Aug 4, 2026
Benjamin Christopher Simmonds (benibenj)
enabled auto-merge (squash)
August 4, 2026 15:35
TylerLeonhardt
approved these changes
Aug 4, 2026
Vritant Bhardwaj (vritant24)
approved these changes
Aug 4, 2026
Benjamin Christopher Simmonds (benibenj)
merged commit Aug 4, 2026
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into
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Don Jayamanne (DonJayamanne)
added a commit
that referenced
this pull request
Aug 4, 2026
* origin/main: (31 commits) Improve workspace picker preselection (#328995) agentHost: support Codex custom agents and runtime enablement (#328956) Finalizes customEditorPriority proposal. Closes #292379 (#329002) Add Agents window startup A/A experiment trigger (#328454) sessions: show created session pill in response summary (#328984) Fix onboarding microphone picker visibility (#329011) Explains how to develop the markdown editor (#329009) Conditional agent-window auth for signed-out users (#328990) Fix BYOK enterprise policy handling in agent host Agent Host changes for fix/agent-host-byok-enterprise-policy agentHost: drive tool execution from the session input queue (#328989) Make Integrated Browser smoke tests deterministic across build qualities (#328983) Accept box sizing screenshot changes Avoid large Component Fixtures step outputs Remove component fixture box sizing reset fix: guard stale line numbers in test decorations (fixes #328988) sessions: fix maximized side pane toggle (#328974) Add component fixture rendering controls Reduce floating panel margins for layout consistency (#328963) agentHost: support file completions across workspace roots (#328944) ... # Conflicts: # src/vs/sessions/SESSIONS.md # src/vs/sessions/contrib/providers/agentHost/browser/baseAgentHostSessionsProvider.ts
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Summary
agentsWindowStartupAAwhen the Agents window first starts.Experiment
dbd12384-5001-4e90-a863-526321eaf233/vscodeexpws~agentswindowtestagentsWindowStartupAA)Test plan
tasClientReadTreatmentCompletewithtreatmentName=agentsWindowStartupAAand assignment context tokens for each armProduct-ready proof videos (visible cohort assignment)
A/A arms are UX-identical; proof is the cohort allocation token visible in Developer: Show Telemetry (Find + full-window HEVC recording).
Treatment
agents-window-startup-aa-variant:31559566Control
agents-window-startup-aa-control:31559570Notes