PR: https://git.cafe/pingdotgg/t3code/pulls/27148
GitHub: https://github.com/pingdotgg/t3code/pull/27148
main: 32ecd71726 (github/main fetched 2026-10-30)
PR head: 9aca3a3e8767c4ff3518d831e62e26ec02df765f

Real source: Vivaldi 7.9.3970.55 on Ubuntu Linux, desktop session Secret Service.
Visited https://github.com/pingdotgg/t3code with Vivaldi. Closed Vivaldi normally.
Read-only SQLite inspection: six cookies, all encrypted_value prefix v11:
 github.com: _gh_sess
 .github.com: _octo, cpu_bucket, logged_in, preferred_color_mode, tz
secret-tool lookup application chrome | wc -c: 24
secret-tool lookup application vivaldi | wc -c: 0
No synthetic cookies, mocks, seeded databases, or altered browser bridge.

main desktop Settings > Browser > Add profile > Vivaldi:
- running-browser guard shown; after quitting Vivaldi, wizard offered 6 cookies.
- Import failed: No encryption key in your Keychain. Sign in to that browser once, then retry.

PR web: vp i; setsid nohup vp run dev (bounded to 3600s).
[dev-runner] serverPort=13773 webPort=5733 baseDir=/home/user/t3code/.t3
Added /home/user/t3code through Add project > Local folder.
Selected GPT-6.1-Sol and submitted a read-only git/README request.
Real Codex local-proxy turn completed in the app (9.8s).
Returned branch fix/vivaldi-linux-keyring and README title T3 Code.
Stopped web dev by captured PID before starting desktop.

Blacksmith: vp i && cd apps/desktop && vp test run src/preview/BrowserImport/
Test Files 9 passed (9); Tests 77 passed (77).

PR desktop: stopped vp run dev by captured PID; started vp run dev:desktop.
[dev-runner] serverPort=13773 webPort=5733 baseDir=/home/user/t3code/.t3
Same Vivaldi profile, same six encrypted cookies, same desktop wizard:
- Import into New profile: Imported 6 cookies; Added to Vivaldi.
- Import into existing Vivaldi profile: Imported 6 cookies.
- Created blank profile, removed that profile through its confirmation dialog.
- Reopened Settings: Default and Vivaldi remained; New profile was absent.

Real Codex gpt-6.1-sol follow-up through desktop client and dev-server MCP:
preview_status -> Vivaldi profile -> preview_open(open=false, reuseExistingTab=false)
-> navigate https://github.com/pingdotgg/t3code -> preview_evaluate -> close tab.
Returned title: GitHub - pingdotgg/t3code · GitHub
Returned visible cookie names: _octo, cpu_bucket, preferred_color_mode, tz.
No tool errors. Values not exposed. No authenticated-account claims.

GitHub checks: build/typecheck, lint, check, and tests pass.
Agent context budget reports failure; its annotation says:
Canceling since a higher priority waiting request for agent-context-budget-27148 exists
No code changes, commits, or pushes were needed in this verification pass.