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CC-Switch/src-tauri
Jason 108dda1772 feat(settings): prefer official installer for tool install with npm fallback
Bare `npm i -g <pkg>` was the install command for every managed tool, but
Anthropic and SST now both recommend their native installers over npm. The
update path already anchors to native installs (`claude update` and friends),
so install was the last place still forcing npm — even when the user's
intent was clearly to get the upstream-recommended install.

- New `install_command_for(tool)` (non-Windows only): claude and opencode
  now run the upstream installer with a `|| npm i -g ...@latest` POSIX
  short-circuit fallback, so the tool still installs if the URL is
  unreachable.
- codex / gemini / openclaw / hermes pass through to the original static
  command — they have no independent official installer today.
- `build_tool_lifecycle_command` now opens `set -o pipefail` alongside
  `set -e`: without it, `curl ... | bash` where curl fails would have bash
  exit 0 on empty stdin, silently masking the failure and skipping the
  `||` fallback.
- 6 new `install_strategy` unit tests pin the per-tool install command
  shape, mirroring the existing anchored_upgrade regression suite.

Update routing and Windows install behavior are unchanged.
2026-05-25 22:20:34 +08:00
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