fix lint/build errors and bump to 2026.2.15-1.4
- Fix all oxlint errors (curly, no-unused-vars, no-base-to-string,
no-floating-promises, approx-constant, restrict-template-expressions)
- Fix TS build errors: rewrite update-cli.ts as thin wrapper over
submodules, restore missing chat abort helpers in chat.ts
- Fix web build: wrap handleNewSession in async for ChatPanelHandle,
add missing safeString helper to entry-detail-modal
- Bump version to 2026.2.15-1.4 and publish
Co-authored-by: Cursor <cursoragent@cursor.com>
dee323b7ad