feat(FN-3883): fix dependency-graph plugin exports and add CLI bundle entry

Fixed the `@fusion-plugin/dependency-graph` plugin's exports and build entry points so it bundles correctly with the CLI, added test coverage for plugin enable success and error-state toasts, and included the plugin's dist in the CLI bundle via tsup config.

Fusion-Task-Id: FN-3883

plugins/fusion-plugin-dependency-graph/tsconfig.json

@@ -2,7 +2,7 @@
   "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "dist",
-    "rootDir": "../..",
+    "rootDir": "./src",
     "jsx": "react-jsx",
     "module": "esnext",
     "moduleResolution": "bundler",
@@ -10,7 +10,7 @@
     "paths": {
       "@fusion/dashboard/app/components/TaskCard": ["./src/dashboard-interop.d.ts"],
       "@fusion/dashboard/app/utils/taskStuck": ["./src/dashboard-interop.d.ts"],
-      "@fusion/dashboard/app/plugins/types": ["../../packages/dashboard/app/plugins/types.ts"]
+      "@fusion/dashboard/app/plugins/types": ["./src/dashboard-interop.d.ts"]
     }
   },
   "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.d.ts"],