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ECC/docs/QWEN-GUIDE.md
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# Qwen CLI Adapter Guide
ECC can install its managed command, agent, skill, rule, and MCP surfaces into the Qwen CLI home directory.
## Install
From the ECC repository root:
```bash
./install.sh --target qwen --profile minimal
```
Preview a larger install before copying files:
```bash
./install.sh --target qwen --profile full --dry-run
```
The Qwen adapter writes into `~/.qwen/` and records managed file ownership in `~/.qwen/ecc-install-state.json`.
## Installed Layout
The managed install can populate:
```text
~/.qwen/
QWEN.md
agents/
commands/
mcp-configs/
rules/
skills/
ecc-install-state.json
```
The installer preserves the source layout for rules, so language rule sets stay under paths such as `~/.qwen/rules/common/` and `~/.qwen/rules/typescript/`.
## Updating
Rerun the same install command after pulling ECC updates. The installer uses the install-state file to update ECC-managed files without claiming unrelated user files in `~/.qwen/`.
## Uninstalling
Use the managed uninstall path rather than deleting the whole Qwen directory:
```bash
node scripts/uninstall.js --target qwen
```
That removes files recorded in `~/.qwen/ecc-install-state.json` and leaves unrelated Qwen configuration alone.
## Scope
This target is intentionally narrower than stale PR #1352. It ports the maintainable Qwen install-target intent onto the current selective installer and avoids unverified hook-runtime claims until Qwen's hook/event contract is confirmed.
## Agent adaptation
Managed Qwen installs adapt canonical agent tools and colors before recording ownership.
Claude model tiers become `model: inherit`, so the configured Qwen session selects its provider.
Canonical agent files stay unchanged. The standalone `scripts/qwen-adapt-agents.js` utility
can adapt an explicitly selected, user-owned copy; use the managed installer for ECC-owned files
to keep repair and uninstall receipts consistent. Native subagent dispatch still requires
verification in the user's configured Qwen runtime.
Qwen Code 0.25.0 treats omitted, null, and empty `tools` fields in named-agent
files as inheriting the parent tool registry. An empty definition list differs
from the internal runtime `ToolConfig` and `fork_tools` deny-all contracts.
See the [official named-agent conversion](https://github.com/QwenLM/qwen-code/blob/v0.25.0/packages/core/src/subagents/subagent-manager.ts#L1661-L1685)
and [empty-list validation](https://github.com/QwenLM/qwen-code/blob/v0.25.0/packages/core/src/subagents/validation.ts#L216-L226).
ECC rejects an explicitly empty or null source tools field before managed
installation writes or standalone batch rewrites, because this adapter cannot
represent a deny-all agent through that native field. Use a nonempty explicit
allowlist, or omit the field only when parent-tool inheritance is intended.
These checks verify adaptation and write prevention; they do not certify native
provider execution or sandbox containment.