chore(alpha): sync upstream main (921cb3c8b)

.alpha/features/alpha-distribution-identity.md

@@ -3,7 +3,7 @@ id: alpha-distribution-identity
 status: active
 risk: red
 introduced_by: alpha-distribution-identity
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -237,3 +237,4 @@ identity.
 - 2026-09-30, upstream `c2fa9fc911daeac97df4760f95fc57dca42b84c8`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `mechanical-conflict`. Adopted upstream's process-backed WSL busy-runtime fixtures and kept Alpha paths: `$HOME/.t3-alpha/wsl-runtime` and the `t3-alpha` entry. App, protocol, state, package, and service identities remain isolated.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Composer suggestions, session restart, and the gated official release graph do not change app, protocol, state, package, or service identity.

.alpha/features/alpha-homebrew-upgrades.md

@@ -3,7 +3,7 @@ id: alpha-homebrew-upgrades
 status: active
 risk: red
 introduced_by: alpha-homebrew-upgrades
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -211,3 +211,4 @@ Developer account or a separate package-hosting service.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. The cask, tap, and Alpha release destinations are unchanged.

.alpha/features/alpha-local-only-telemetry.md

@@ -3,7 +3,7 @@ id: alpha-local-only-telemetry
 status: active
 risk: red
 introduced_by: alpha-local-only-telemetry
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -176,3 +176,4 @@ traces, metrics, or logs to third-party telemetry services.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Incoming commits add no outbound telemetry.

.alpha/features/alpha-release-workflow.md

@@ -3,7 +3,7 @@ id: alpha-release-workflow
 status: active
 risk: red
 introduced_by: alpha-release-workflow
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -301,3 +301,4 @@ upstream's official release, hosted-web, AUR, or npm publication paths.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `mechanical-conflict`. Adopted the earlier Vercel build, concurrent official npm publish, and Windows job split behind the pingdotgg repository gate. The Alpha release workflow, signing identity, and single-package publish are unchanged.

.alpha/features/alpha-server-package.md

@@ -3,7 +3,7 @@ id: alpha-server-package
 status: active
 risk: red
 introduced_by: alpha-server-package
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -235,3 +235,4 @@ official T3 Code without publishing to or executing the upstream `t3` package.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `mechanical-conflict`. The publish command still uploads one t3code-alpha tarball with stdin inherited and --prebuilt-dir. Platform archives stage concurrently into the existing flat output directory. node-pty and @napi-rs/keyring still load through createRequire.

.alpha/features/alpha-update-channel.md

@@ -3,7 +3,7 @@ id: alpha-update-channel
 status: active
 risk: red
 introduced_by: alpha-update-channel
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -238,3 +238,4 @@ automatic updater.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Updater channel, branding, and manual-install policy are unchanged.

.alpha/features/alpha-upstream-sync-automation.md

@@ -3,7 +3,7 @@ id: alpha-upstream-sync-automation
 status: partial
 risk: red
 introduced_by: alpha-upstream-sync-automation
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -202,3 +202,4 @@ The repository's scheduled sync, finalizer, and sync blocker-issue automation ar
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `mechanical-conflict`. Adopted split lint, typecheck, build, and test jobs plus six duration-balanced server shards. Runners stay ubuntu-24.04, push stays on alpha, and mobile native static analysis stays omitted. Retired sync workflows stay removed.

.alpha/features/antigravity-path-canonicalization.md

@@ -3,7 +3,7 @@ id: antigravity-path-canonicalization
 status: active
 risk: amber
 introduced_by: antigravity-path-canonicalization
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -132,3 +132,4 @@ session workspace.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. The skill snapshot refresh does not change executable or workspace path canonicalization.

.alpha/features/fork-steward.md

@@ -3,7 +3,7 @@ id: fork-steward
 status: active
 risk: green
 introduced_by: alpha-foundation
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -195,3 +195,4 @@ retiring fork code when upstream provides an equivalent or better implementation
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`.

.alpha/features/newest-agents-first.md

@@ -3,7 +3,7 @@ id: newest-agents-first
 status: active
 risk: green
 introduced_by: newest-agents-first
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -176,3 +176,4 @@ users scroll past older agents.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Thread ordering is unchanged.

.alpha/features/project-action-terminal-startup.md

@@ -3,7 +3,7 @@ id: project-action-terminal-startup
 status: active
 risk: amber
 introduced_by: 438019e36
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: pingdotgg/t3code#6337
 upstream_pr: pingdotgg/t3code#6338
 surfaces:
@@ -185,3 +185,4 @@ is still initializing.
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Project action terminal startup is unchanged.

.alpha/features/remember-thread-scroll-position.md

@@ -3,7 +3,7 @@ id: remember-thread-scroll-position
 status: partial
 risk: green
 introduced_by: 31e67d13ce42c0989a4698f9140c3bea4aba9731
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: null
 upstream_pr: null
 surfaces:
@@ -95,3 +95,4 @@ Return users to the place where they stopped reading when they switch away from
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Thread scroll retention is unchanged.

.alpha/features/restore-reverted-message-to-composer.md

@@ -3,7 +3,7 @@ id: restore-reverted-message-to-composer
 status: active
 risk: amber
 introduced_by: a47276a40
-last_reconciled_with: 6b286ae8a20ef2e18fa70b09e92f66edd859128b
+last_reconciled_with: 921cb3c8bc772309ccab4c422b091d0a91497a49
 upstream_issue: pingdotgg/t3code#5685
 upstream_pr: pingdotgg/t3code#6044
 surfaces:
@@ -196,3 +196,4 @@ Let users edit and resend a reverted prompt instead of recreating its text and i
   reconciliation candidate. Required PR CI remained the merge gate.
 - 2026-10-01, upstream `6b286ae8a20ef2e18fa70b09e92f66edd859128b`: `auto-merged`; Git produced a conflict-free
   reconciliation candidate. Required PR CI remained the merge gate.
+- 2026-10-01, upstream `921cb3c8bc772309ccab4c422b091d0a91497a49`: `unaffected`. Screen-reader composer suggestions landed beside the existing restore behavior.

.alpha/reconciliation.jsonl

@@ -67,3 +67,4 @@
 {"timestamp":"2026-09-30T00:14:00Z","previousAlpha":"bc9dc842e15a53a71e2953554e1db66cd43c8397","upstream":"916ec94f93da686303f878d506a760efd13506c1","candidate":"82ad730ae65fe9c79e10e234a91373f03d84c21b","features":{"retained":["alpha-distribution-identity","alpha-homebrew-upgrades","alpha-local-only-telemetry","alpha-release-workflow","alpha-server-package","alpha-update-channel","alpha-upstream-sync-automation","antigravity-path-canonicalization","fork-steward","newest-agents-first","project-action-terminal-startup","remember-thread-scroll-position","restore-reverted-message-to-composer"],"rewritten":[],"retired":[]},"classifications":{"alpha-distribution-identity":"mechanical-conflict","alpha-homebrew-upgrades":"unaffected","alpha-local-only-telemetry":"unaffected","alpha-release-workflow":"unaffected","alpha-server-package":"mechanical-conflict","alpha-update-channel":"unaffected","alpha-upstream-sync-automation":"unaffected","antigravity-path-canonicalization":"unaffected","fork-steward":"unaffected","newest-agents-first":"unaffected","project-action-terminal-startup":"unaffected","remember-thread-scroll-position":"unaffected","restore-reverted-message-to-composer":"unaffected"},"validation":["vp test run packages/shared/src/providerAuthReturnUrl.test.ts packages/shared/src/codexAuthHandoff.test.ts (14 passed)","vp fmt on the edited auth files and feature records","vp lint on the four edited auth files","node-pty and @napi-rs/keyring still load through createRequire"],"unverified":["PR CI pending","ChatGPT managed sign-in was not exercised in a desktop client","Standalone CLI executable import check was not run locally; no new file-backed ESM imports were added","Mobile jobs are not a merge gate for this sync"],"outcome":"awaiting-ci","notes":"12 upstream commits through 916ec94f9. Resolved apps/server/package.json by taking version 0.0.44 and keeping the Alpha description, repository, and t3-alpha bin. Packaged ChatGPT handoff uses t3code-alpha; development stays t3code-dev. PR into alpha; no tag or release."}
 {"timestamp":"2026-09-30T12:06:00Z","previousAlpha":"9db81585f5980a6f4717daa85ca5cec42bf94f54","upstream":"c2fa9fc911daeac97df4760f95fc57dca42b84c8","candidate":"b2a5d07d04fe98df548282289bc70373254a3f60","features":{"retained":["alpha-distribution-identity","alpha-homebrew-upgrades","alpha-local-only-telemetry","alpha-release-workflow","alpha-server-package","alpha-update-channel","alpha-upstream-sync-automation","antigravity-path-canonicalization","fork-steward","newest-agents-first","project-action-terminal-startup","remember-thread-scroll-position","restore-reverted-message-to-composer"],"rewritten":[],"retired":[]},"classifications":{"alpha-distribution-identity":"unaffected","alpha-homebrew-upgrades":"unaffected","alpha-local-only-telemetry":"unaffected","alpha-release-workflow":"unaffected","alpha-server-package":"unaffected","alpha-update-channel":"unaffected","alpha-upstream-sync-automation":"unaffected","antigravity-path-canonicalization":"unaffected","fork-steward":"unaffected","newest-agents-first":"unaffected","project-action-terminal-startup":"unaffected","remember-thread-scroll-position":"unaffected","restore-reverted-message-to-composer":"unaffected"},"validation":["Git merge of upstream/main completed with no conflicts","Incoming paths do not overlap Alpha-owned changes since 916ec94f93da686303f878d506a760efd13506c1","No new file-backed ESM imports; @napi-rs/keyring and node-pty still load through createRequire"],"unverified":["PR CI pending","Focused tests were not run locally because the merge had no hand-resolved files","Standalone CLI executable import check was not run locally","Mobile jobs are not a merge gate for this sync"],"outcome":"awaiting-ci","notes":"6 upstream commits through c2fa9fc91. Conflict-free. Incoming work is Grok session recovery, workspace-root file links, command-menu width, multi-PR badge panel opening, diff filename clipping, and mobile-client step naming. Alpha features retained unchanged. PR into alpha; no tag or release."}
 {"timestamp":"2026-10-01T00:20:00Z","previousAlpha":"3403cb5f92d8e6e9bc4a9a35cf04145558eaa181","upstream":"6b286ae8a20ef2e18fa70b09e92f66edd859128b","candidate":"802083957e3b432de5228283be23ccfd91daf75c","features":{"retained":["alpha-distribution-identity","alpha-homebrew-upgrades","alpha-local-only-telemetry","alpha-release-workflow","alpha-server-package","alpha-update-channel","alpha-upstream-sync-automation","antigravity-path-canonicalization","fork-steward","newest-agents-first","project-action-terminal-startup","remember-thread-scroll-position","restore-reverted-message-to-composer"],"rewritten":[],"retired":[]},"classifications":{"alpha-distribution-identity":"mechanical-conflict","alpha-homebrew-upgrades":"unaffected","alpha-local-only-telemetry":"unaffected","alpha-release-workflow":"unaffected","alpha-server-package":"unaffected","alpha-update-channel":"unaffected","alpha-upstream-sync-automation":"unaffected","antigravity-path-canonicalization":"unaffected","fork-steward":"unaffected","newest-agents-first":"unaffected","project-action-terminal-startup":"unaffected","remember-thread-scroll-position":"unaffected","restore-reverted-message-to-composer":"unaffected"},"validation":["Resolved DesktopWslEnvironment.test.ts by keeping .t3-alpha and t3-alpha while adopting holdRuntimeBusy and holdInstallLock","Reviewed files changed on both sides since c2fa9fc91: shared and scripts package manifests and the lockfile auto-merged without dropping Alpha exports or the yaml dependency","server.test.ts kept the t3code-alpha desktop origin and gained upstream Scratch project coverage","No new file-backed ESM imports; @napi-rs/keyring and node-pty still load through createRequire","Focused WSL test was not run locally: the VM disk was full (ENOSPC) before dependencies could be installed"],"unverified":["PR CI pending","apps/desktop/src/wsl/DesktopWslEnvironment.test.ts was not executed locally","Scratch threads, disconnected-environment project picker, Grok CLI version gate, and Codex Ultrafast bolts were not exercised in a client","Standalone CLI executable import check was not run locally; no new file-backed ESM imports were added","Mobile jobs are not a merge gate for this sync"],"outcome":"awaiting-ci","notes":"8 upstream commits through 6b286ae8a. One conflict in the WSL runtime test. Threads can start without a project, disconnected environments are hidden when adding projects, Grok CLIs older than 1.0.13 are marked broken, and vite-plus is 1.0.0. PR into alpha; no tag or release."}
+{"timestamp":"2026-10-01T06:31:00Z","previousAlpha":"35551dddb8ff7dab5a57f75baac2bbb0caa69d2c","upstream":"921cb3c8bc772309ccab4c422b091d0a91497a49","candidate":"7867b6ce14e0f68754354fd0741c934a22896be4","features":{"retained":["alpha-distribution-identity","alpha-homebrew-upgrades","alpha-local-only-telemetry","alpha-release-workflow","alpha-server-package","alpha-update-channel","alpha-upstream-sync-automation","antigravity-path-canonicalization","fork-steward","newest-agents-first","project-action-terminal-startup","remember-thread-scroll-position","restore-reverted-message-to-composer"],"rewritten":[],"retired":[]},"classifications":{"alpha-distribution-identity":"unaffected","alpha-homebrew-upgrades":"unaffected","alpha-local-only-telemetry":"unaffected","alpha-release-workflow":"mechanical-conflict","alpha-server-package":"mechanical-conflict","alpha-update-channel":"unaffected","alpha-upstream-sync-automation":"mechanical-conflict","antigravity-path-canonicalization":"unaffected","fork-steward":"unaffected","newest-agents-first":"unaffected","project-action-terminal-startup":"unaffected","remember-thread-scroll-position":"unaffected","restore-reverted-message-to-composer":"unaffected"},"validation":["vp test run apps/server/scripts/cli.test.ts apps/server/scripts/publishOrder.test.ts scripts/alpha-workflow-contract.test.ts scripts/record-alpha-safe-sync.test.ts (11 passed)","vp test run scripts/build-npm-platform-packages.test.ts apps/server/src/testUtils/weightedShardSequencer.test.ts (4 passed)","Resolved ci.yml onto split lint, typecheck, build, and test jobs with six server shards, ubuntu-24.04 runners, the alpha push branch, and no mobile native analysis job","Resolved cli.ts by keeping one t3code-alpha tarball, --prebuilt-dir, and stdin inherit","Platform archives stage concurrently into the existing flat t3code-alpha output directory","Official release workflows still require github.repository == pingdotgg/t3code","Alpha-only lines in vite.config.ts, ChatComposer.tsx, and packages/client-runtime/src/state/server.ts survived the merge","node-pty and @napi-rs/keyring still load through createRequire; the incoming server diff adds no file-backed ESM imports"],"unverified":["PR CI pending","Standalone CLI executable import check was not run locally; no new file-backed ESM imports were added","Composer screen-reader suggestions, Claude compact, subagent model labels, and VS Code theme import were not exercised in a client","Mobile jobs are not a merge gate for this sync"],"outcome":"awaiting-ci","notes":"10 upstream commits through 921cb3c8b. Conflicts in ci.yml, the single-package publish command, and concurrent npm archive staging. PR into alpha; no tag or release."}