feat: add Qwen install target

.qwen/QWEN.md

@@ -0,0 +1,25 @@
+# Qwen CLI Configuration
+
+This directory contains ECC's Qwen CLI install template.
+
+## Runtime Location
+
+The source `.qwen/` directory in this repository is copied into a user's home-level `~/.qwen/` install root when running:
+
+```bash
+./install.sh --target qwen --profile minimal
+```
+
+The managed install also writes `~/.qwen/ecc-install-state.json` so future ECC updates and uninstalls can distinguish ECC-owned files from user-owned Qwen configuration.
+
+## Installed Surface
+
+The Qwen target installs the same managed manifest modules used by other harness adapters:
+
+- `rules/`
+- `agents/`
+- `commands/`
+- `skills/`
+- `mcp-configs/`
+
+Hook runtime files are intentionally not selected for Qwen until the Qwen hook/event contract is verified.