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buzz/desktop/src-tauri
DuncanandWill Pfleger 060cfc13fd feat(desktop): let preset harnesses carry adapter auto-install
Preset (Tier-2) harnesses were docs-link only by construction:
`preset_catalog_entry` hardcoded `can_auto_install: false`, and the
installer resolved runtimes through the builtins-only
`known_acp_runtime_exact`, so `amp` returned "unknown runtime".

Install commands are now per-entry data on `PresetHarness`, with
`can_auto_install` and `node_required` derived from them — adding a
second preset later is one catalog line. `AcpInstallPlan` projects the
four things the installer consumes from either tier behind one lookup,
so neither static type grows the other's fields. Presets structurally
carry no CLI install commands: their `underlying_cli` is a status probe,
never an install target.

Only Amp is populated (`npm install -g amp-acp`). Tier-3 custom
harnesses resolve to no plan at all — their install hint is user-typed
text, and a one-click button on it would be arbitrary code execution.

Co-authored-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
2026-07-26 16:06:20 -04:00
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