feat(wave3): add @mosaic/cli — unified mosaic CLI entry point

- Root Commander program with version + description
- Subcommand groups: coord, prdy, queue, quality-rails
- Single `mosaic` binary entry point
- Depends on all @mosaic/* workspace packages

packages/cli/tsconfig.json

@@ -0,0 +1,5 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": { "outDir": "dist", "rootDir": "." },
+  "include": ["src", "bin"]
+}