Vijay Upadya

Enable Agent Host debugging in the Agent Debug Logs panel (#325417) * Enable Agent Host debugging in the Agent Debug Logs panel * Feedback updated

agentHost: add first-response telemetry and opt-in deferred title generation (#336704) * fix(agent-host): preserve subscriptions across local host startup Use stable event relays for actions and notifications so early subscribers survive startup and reconnects. Cover forwarding and disposal with focused regressions. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * feat(agent-host): measure first response text latency Record monotonic renderer first-text timing and host turn cohorts, preserve bounded usage diagnostics without guessing ownership, and add controlled export extraction/comparison tooling with focused tests and documentation. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * feat(agent-host): defer automatic titles until after the first answer Add an opt-in session-scoped title strategy with immediate provisional titles and background refinement after successful text responses. Preserve explicit rename, restore eligibility, and stale-result protection with controller and integration regressions. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * fix(agent-host): refine first-response measurement context Capture host and renderer cohorts, persisted title strategy, root tool counts, and interactive trust context. Add regression coverage and repair two earlier type defects. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * chore: keep startup investigation tooling out of the product PR Retain the comparison utility, its tests and guide locally outside the repository. Product telemetry and its regression tests remain in the PR. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * fix(agent-host): address startup response review findings Stabilize title strategy across creation, retain root timing identity on resume, follow default-chat title ownership during refinement, and preserve known output tokens in partial diagnostics. Add focused lifecycle and usage regression coverage. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Migrate EH Copilot CLI sessions to the Agent host Copilot on open (#328512) * Migrate EH Copilot CLI sessions to the Agent host Copilot on open * test update * Feedback updates * Use AH for providing EH sessions

Import local chat history into agent host session as editable turns (#324858) * Import local chat history into agent host session as editable turns * Feedback fixes * handle cancel * test fix

agentHost: harden legacy Copilot CLI -> AH migration — freeze the gate, fix mid-migration handoff, clean up adopted sessions (#332544) * doc * fixes * Handle open while in progress * updates * Migration: freeze setting at startup (app-scoped) + EH stand-down fix - Read core migrate setting via getNonExtensionConfig (was reading wrong github.copilot-prefixed key), so EH stand-down for non-archived legacy actually engages. - Freeze the gate at startup: renderer isLegacyMigrationEnabledAtStartup (primed BlockStartup), EH snapshot at ctor, AH snapshot; adoption gate uses snapshot not live. - Make setting application-scoped; wire into SettingsChangeRelauncher (restart prompt). - Archive rehydration in toChatSessionItem; tests updated for frozen semantics. * updates * feedback updates * Updates for handling filters * Agents window worktree migration update * Feedback updates * freeze setting on agenthost

agentHost: fix legacy Copilot CLI migration issues (opening, worktrees, archived state) (#331896) * Handle archive session and add telemetry * agentHost: keep migrated legacy CLI sessions matching by project root * worktree fix and log update * feedback updates * Feedback updates * test fix

agentHost: migrate legacy Copilot CLI sessions on open, not just in the list (#331606) * agentHost: Make the first session listing authoritative for legacy Copilot CLI migration * agentHost: address PR review on legacy Copilot CLI migration readiness * agentHost: redirect legacy Copilot CLI opens through the agent host * agentHost: drop the startup discovery wait now that opens redirect * do not remember legacy adoption failures and cleanup * Feedback update * Few fixes and cleanup * test fix * Handle external session visibility and test fix * feedback updates * few updates

Export chat user-perceived time to first progress through OTel (#337833) * Export chat user-perceived time to first progress through OTel * Feedback update * Fix formatting of chat timing protocol test Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

agentHost: improve model-call attribution and token usage telemetry (#335379) * agentHost: improve model-call attribution and token usage telemetry * feedback updates --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Re enablenew TAS assignments endpoint with proxy-aware transport fix (#330389) * Revert "Revert new TAS endpoint changes (#330175)" This reverts commit f30e3f3600f472ec8f4f08f7444300475fd25a2a. * Re-land new TAS assignments endpoint with proxy-aware transport + tas-call telemetry * bump remote + remote/web to tas-client 0.4.3 * Add tests and feedback update