* fix(installer): opencode global config goes to ~/.config/opencode on every platform (#535)
opencode resolves its config dir with xdg-basedir (XDG_CONFIG_HOME ??
~/.config) unconditionally — it never reads %APPDATA%; that layout
belonged to the discontinued Go fork. Writing there on Windows meant
opencode never saw the MCP entry.
- globalConfigDir(): drop the win32 APPDATA branch; XDG resolution everywhere
- install/uninstall (global): sweep a stale codegraph entry + AGENTS.md block
out of the legacy %APPDATA%/opencode location (siblings/comments untouched)
- detect(global): a legacy-only dir still counts as installed so the sweep
is reachable
- tests are env-gated, not platform-gated, so the whole matrix runs on any
OS; the suite previously pointed APPDATA and XDG_CONFIG_HOME at the same
dir, which is exactly how the divergence stayed invisible
Supersedes the prefer-if-exists approach of #670 (greenfield installs --
before opencode's first run -- would still have fallen back to APPDATA).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* test(installer): match legacy sweep paths by dir prefix, not 'AppData' substring
On Windows os.tmpdir() lives under AppData\Local\Temp, so every harness
path contains 'AppData' and the substring assertions false-positive.
Caught on the real Windows VM.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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