Documents the decision behind T-205: keymap sequences are space-
separated (list still alternates, + still joins a chord), repeat counts
apply by firing N times, and sequence matching is a reusable stateless
query + stateful matcher consumed at the interception point — because
the global KeyboardListener can't swallow events, so the editor's
Focus.onKeyEvent (T-206) is where normal-mode keys get consumed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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