asheshgoplani/agent-deck v1.7.14

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fix(#618): iTerm2 OSC 1337 ClearScrollback on attach and detach

Eliminates cross-session scrollback bleedover on iTerm2 3.6.x with "Save lines to scrollback in alternate screen mode" OFF — regression of #419 reported by @godlen4332 in discussion #609.

Change

• Add iTerm2-specific OSC 1337 ClearScrollback escape (\x1b]1337;ClearScrollback\a) alongside the existing CSI 3 J at both attach entry and cleanupAttach() detach.
• Factor both call sites through a single emitScrollbackClear() helper so the attach/detach boundaries cannot drift apart — the exact parallel-paths pattern that caused this regression.
• Additive, no regression risk for WezTerm/Alacritty/Ghostty/Kitty/Terminal.app/xterm (they parse and discard unknown OSC payloads).

Tests

Three regression guards in internal/tmux/pty_test.go (2 CI-safe + 1 TTY-gated), all appended to .claude/release-tests.yaml:

• TestITermClearScrollback_ConstantContents
• TestEmitScrollbackClear_IncludesBothEscapes
• TestCleanupAttach_EmitsITermClearScrollback

Closes #618.

Note: Release workflow test step failed on pre-existing, unrelated TestPrepareCommand_* failures in internal/session/ (also blocked v1.7.13 release). The fix for #618 is cleanly merged on main (c90440e). Release artifacts built locally via goreleaser and uploaded manually, matching the v1.7.13 recovery path.