gsxdsm c766bc9c95 FN-6811: keep terminal symbols out of xterm metrics ...

Keep terminal symbol fonts scoped away from xterm's measured text stacks across modal and session surfaces.

- add a scoped symbols @font-face to the session terminal CSS chunk
- defensively strip the symbols font from resolved xterm font-family presets
- expand modal, session, and CSS regression tests for symbols-free measurement and scoped glyph fallback
- document recurrence #6 and the remaining real-device iOS Safari verification gap

Files changed:
 .../xterm-symbols-nerd-font-unicode-range.md       | 13 ++++--
 .../dashboard/app/__tests__/terminal-input.test.ts | 51 ++++++++++++++++++----
 .../dashboard/app/components/SessionTerminal.css   | 11 +++++
 .../dashboard/app/components/TerminalModal.css     |  3 ++
 .../components/__tests__/SessionTerminal.test.tsx  |  3 ++
 .../components/__tests__/TerminalModal.test.tsx    | 47 ++++++++++++++++++--
 .../dashboard/app/utils/terminalPreferences.ts     | 17 ++++++--
 7 files changed, 127 insertions(+), 18 deletions(-)

Fusion-Task-Id: FN-6811

Fusion-Task-Lineage: 15a6fc1f-34c6-44d4-b9ea-8b5b3baae267

2026-06-20 21:02:51 -07:00

8.1 KiB

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