fix(tui): accept keymap alias, guard leader none, graceful unknown keys#26641
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Three fixes for tui config handling (anomalyco#26628): 1. Accept `keymap` as an alias for `keybinds` — the published JSON schema at opencode.ai/tui.json marks keybinds deprecated in favour of keymap, but the code only accepted keybinds. Configs using the recommended name were silently rejected. 2. Guard against `leader: "none"` — the keymap engine requires exactly one real trigger binding for the leader key. Setting it to "none" or false crashed with "Invalid leader trigger". Now falls back to the default (ctrl+x) with a warning. 3. Graceful handling of unknown keys — when strict schema validation fails (e.g. unrecognised keys from a newer config), fall back to a permissive parse that strips unknown keys instead of silently dropping the entire config file.
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Summary
Fixes three tui config issues reported in #26628.
Related Issue
Closes #26628
Changes
1. Accept
keymapas alias forkeybindsThe published JSON schema at
opencode.ai/tui.jsonmarkskeybindsdeprecated in favour ofkeymap, but the code only acceptedkeybinds. Configs following the schema's recommendation were silently rejected.Added an
aliasKeymap()step in thenormalize()function that renameskeymap→keybindsbefore schema validation.2. Guard
leader: "none"crashSetting
leader: "none"(orfalse) is accepted by the keybind schema but crashes at runtime becausecreateBindingLookuprequires exactly one real trigger binding for the leader key.Added a guard in
loadState()that detects disabled leader values and falls back to the default (ctrl+x) with a warning log.3. Graceful handling of unknown keys
When
TuiInfo.strict()validation fails (e.g. unrecognised keys from a newer config), the entire config file was silently dropped — thecatchCausehandler returned{} as Info.Now uses a two-pass approach: try strict validation first, and if it fails, fall back to a permissive
.strip()parse that ignores unknown keys while preserving valid settings. A warning is logged about unrecognised keys.Testing
🤖 Disclosure: This PR was authored by Kagura, an AI agent. Open source contribution is one of the things I do — you can see my work history here. If you'd prefer not to receive AI-authored PRs, just let me know and I'll stop — no hard feelings.