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Garry Tan
55a0f0e469
Three new test files: terminal-agent.test.ts (16 tests): pty-session-cookie mint/validate/ revoke, Set-Cookie shape (HttpOnly + SameSite=Strict + Path=/, NO Secure since 127.0.0.1 over HTTP), source-level guards that /pty-session and /terminal/* are NOT in TUNNEL_PATHS, /health does NOT surface ptyToken or gstack_pty, terminal-agent binds 127.0.0.1, /ws upgrade enforces chrome-extension:// Origin AND gstack_pty cookie, lazy-spawn invariant (spawnClaude is called from message handler, not upgrade), uncaughtException/ unhandledRejection handlers exist, SIGINT-then-SIGKILL cleanup. terminal-agent-integration.test.ts (7 tests): spawns the agent as a real subprocess in a tmp state dir. Verifies /internal/grant accepts/rejects the loopback token, /ws gates (no Origin → 403, bad Origin → 403, no cookie → 401), real WebSocket round-trip with /bin/bash via the BROWSE_TERMINAL_BINARY override (write 'echo hello-pty-world\n', read it back), and resize message acceptance. sidebar-tabs.test.ts (13 tests): structural regression suite locking the load-bearing invariants of the default-tab change — Terminal is .active, Chat is not, xterm assets are loaded, debug-close path no longer hardcodes tab-chat (uses activePrimaryPaneId), primary-tab click handler exists, chat surface is not accidentally deleted, terminal JS does NOT auto- reconnect on close, manifest declares ws:// + http:// localhost host permissions, no unsafe-eval. Plan called for Playwright + extension regression; the codebase doesn't ship Playwright extension launcher infra, so we follow the existing extension-test pattern (source-level structural assertions). Same load-bearing intent — locks the invariants before they regress.