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feat(cli)!: complete --config on every surface and delete the personal overlay

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$DSH_HOME/config.yaml was an implicit composition layer: if the file existed,
every launch applied an arbitrary Loader patch graph over the shipped tree,
kept live by a dedicated HMR watcher. Three costs came from the implicitness,
not the capability. A patch replaces its target row's whole config, so a file
written months ago pins that row to the field set it knew and every default
the shipped tree later adds silently stops applying. It competed with the
typed settings namespaces llm-deepseek and llm-pi-ai already register, so
which one wins was a function of layer order rather than meaning. And the
explicit escape hatch it was supposedly redundant with did not exist on every
surface: dsh -p, dsh meta, and dsh upgrade all rejected --config, so for them
the implicit file was the only composition route at all.

Complete the explicit layer first: --config and --config-replace now work on
every booting surface. A headless --config-replace tree must still mount a
webserver row, because that surface reaches its own agent over the same HTTP
gateway the browser uses; AppCLIEntry names that contract in the failure
instead of reporting a bare missing service.

Then delete the implicit one. PERSONAL_CONFIG_FILENAME, loadPersonalPatches,
watchPersonalPatches, and the config-only HMR row mounted for it are gone; a
file left at that path is inert, and --dump-config no longer reads the Harness
home. --config therefore stops *replacing* the personal overlay and simply
*is* the user overlay.

No migration: a user who wants the old behavior names the same file
(dsh --config ~/.dsh/config.yaml), which a shell alias makes permanent.
This commit is contained in:
Yichen Jiang
2026-08-04 15:25:04 +08:00
parent 03b534de16
commit 8ddc53f7a0
39 changed files with 416 additions and 650 deletions
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4
packages/cordis/repository-plugin/README.md
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@@ -30,7 +30,7 @@ Place an ordinary package in the repository's `.dsh-plugin` directory:
## Standalone app configuration
The shipped `dsh` TUI, Web, and headless trees contain an empty `repository-plugins` row. A standalone user enables exact GitHub generations by replacing that row's config in `$DSH_HOME/config.yaml` (default `~/.dsh/config.yaml`):
The shipped `dsh` TUI, Web, and headless trees contain an empty `repository-plugins` row. A standalone user enables exact GitHub generations by replacing that row's config in a `--config` overlay (`dsh --config ~/.dsh/plugins.yml`):
```yaml
- id: repository-plugins
@@ -43,7 +43,7 @@ The shipped `dsh` TUI, Web, and headless trees contain an empty `repository-plug
Each source must use `github:owner/repository#<ref>`. Omitting `&path:` selects `/.dsh-plugin`; an explicit path is absolute within the repository and must end in `.dsh-plugin`. A commit ref gives the clearest immutable identity, while tags and branches remain accepted exact config values. `cacheDir` may override the default `$DSH_HOME/cache/repository-plugins` cache root.
The TUI and Web watch `config.yaml` through Cordis HMR. A valid source-list change installs and swaps the complete repository Plugin generation; a failed fetch, prepare, import, or Plugin application keeps the last good tree and broadcasts `hmr/config-update-failed(filename, error)`. Headless runs consume the file only at startup. An identical source string permanently reuses its prepared cache entry, so selecting changed code requires a ref, path, or other source-config change. App integration rationale: [config-only repository Plugins Agent Note](../../../.agents/notes/implemented/feature/2026-07-30-config-only-repository-plugins.md).
Every surface reads the overlay once at startup. An identical source string permanently reuses its prepared cache entry, so selecting changed code requires a ref, path, or other source-config change. App integration rationale: [config-only repository Plugins Agent Note](../../../.agents/notes/implemented/feature/2026-07-30-config-only-repository-plugins.md).
## Preparation