refactor: finish facade migration for precheck and executor

README.md

@@ -56,7 +56,11 @@ The first extraction pass is already live:
 
 - `smart-executor` → `commands.smart_executor` + `services.smart_executor_service`
 - `precheck` → `commands.precheck` + `services.precheck_service`
-- `precheck` internals now also have dedicated service modules for:
+- root modules are compatibility facades only:
+  - `src/coinhunter/precheck.py`
+  - `src/coinhunter/smart_executor.py`
+- `precheck` internals now live in dedicated service modules:
+  - `services.precheck_core`
   - `services.precheck_state`
   - `services.precheck_snapshot`
   - `services.precheck_analysis`
@@ -65,7 +69,20 @@ This keeps behavior stable while giving the codebase a cleaner landing zone for
 
 ## Installation
 
-Editable install:
+Dedicated user-local install:
+
+```bash
+./scripts/install_local.sh
+```
+
+This creates:
+
+- app environment: `~/.local/share/coinhunter-cli/venv`
+- launcher: `~/.local/bin/coinhunter`
+
+The launcher behaves like a normal installed CLI and simply forwards into the dedicated virtualenv.
+
+Editable install for development:
 
 ```bash
 pip install -e .