feat(FN-3766): add cli press sqlite store and credential helpers

Implements SQLite-based storage and credential management for the CLI printing press plugin, including type definitions, a persistent `cli-press-store`, and credential helpers, with updated routes, tests, and documentation.

Fusion-Task-Id: FN-3766

plugins/fusion-plugin-cli-printing-press/src/index.ts

@@ -1,5 +1,6 @@
 import { definePlugin } from "@fusion/plugin-sdk";
 import { createCliPrintingPressRoutes } from "./routes/wizard-routes.js";
+import { ensureCliPressSchema } from "./store/cli-press-store.js";
 
 const plugin = definePlugin({
   manifest: {
@@ -9,7 +10,9 @@ const plugin = definePlugin({
     description: "Guided wizard for drafting external service CLI definitions",
   },
   state: "installed",
-  hooks: {},
+  hooks: {
+    onSchemaInit: ensureCliPressSchema,
+  },
   routes: createCliPrintingPressRoutes(),
   dashboardViews: [
     {
@@ -35,3 +38,5 @@ export default plugin;
 export { CliPrintingPressWizardView } from "./dashboard-view.js";
 export { CliPrintingPressManageView } from "./manage-view.js";
 export { CliPrintingPressTestRunner } from "./run/TestRunnerPanel.js";
+export { createCliPressStore, ensureCliPressSchema } from "./store/cli-press-store.js";
+export * from "./store/cli-press-types.js";