feat(FN-3396): bundle Cursor CLI as a plugin provider with dashboard auth w

Merges FN-3396's full Cursor CLI provider integration (Steps 1–4): defines a CLI-backed provider contract, adds the `fusion-plugin-cursor-runtime` plugin package with process management and runtime probes, wires dashboard auth flows and UI (ProviderCard, onboarding modal, settings), and bundles the

Fusion-Task-Id: FN-3396

packages/plugin-sdk/src/__tests__/index.test.ts

@@ -180,6 +180,18 @@ describe("Plugin SDK", () => {
       expect(plugin.manifest.id).toBe("test");
     });
 
+    it("exports CLI provider contract types", () => {
+      const cliProvider: import("../../../core/src/plugin-types.js").CliProviderContribution = {
+        providerId: "cursor-cli",
+        displayName: "Cursor CLI",
+        binaryName: "cursor-agent",
+        providerType: "cli",
+        statusRoute: "/providers/cursor-cli/status",
+        authRoute: "/auth/cursor-cli",
+      };
+      expect(cliProvider.providerId).toBe("cursor-cli");
+    });
+
     it("exports PluginContext type", () => {
       const ctx: import("../../../core/src/plugin-types.js").PluginContext = {
         pluginId: "test",

packages/plugin-sdk/src/index.ts

@@ -66,6 +66,12 @@ export type {
   PluginRuntimeManifestMetadata,
   PluginRuntimeFactory,
   PluginRuntimeRegistration,
+  CliProviderType,
+  CliProviderActionMetadata,
+  CliProviderProbeResult,
+  CliProviderModelDiscoveryResult,
+  CliProviderRuntimeRegistration,
+  CliProviderContribution,
   PluginContext,
   PluginLogger,
   PluginSkillContribution,