feat(generator): add personalized Random Idea button powered by background profile + Whack Pack card + Codex

server/index.js

@@ -17,6 +17,10 @@ import {
   generateWithNanoBanana,
   isCodexConfigured
 } from "./nano_banana.js";
+import {
+  DEFAULT_USER_BACKGROUND,
+  generatePersonalizedRandomIdea
+} from "./idea_generator.js";
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -180,6 +184,36 @@ export function createAppServer({
         return;
       }
 
+      // 2b. POST /api/ideas/generate-random (Personalized Random Idea Generator)
+      if (method === "POST" && pathname === "/api/ideas/generate-random") {
+        const body = await readJsonBody(req);
+        const userBackground =
+          body.userBackground ||
+          store.getSetting("user_background", DEFAULT_USER_BACKGROUND) ||
+          DEFAULT_USER_BACKGROUND;
+        const categoryFocus = body.category || "any";
+        const existingTitles = store.listIdeas({}).map((i) => i.title);
+        const savedKey = store.getSetting("gemini_api_key", "") || process.env.GEMINI_API_KEY || "";
+
+        const result = await generatePersonalizedRandomIdea({
+          userBackground,
+          categoryFocus,
+          existingTitles,
+          geminiApiKey: savedKey
+        });
+
+        const created = store.createIdea({
+          ...result.ideaPayload,
+          preserveRawTitle: true
+        });
+
+        return sendJson(res, 201, {
+          idea: created,
+          card: result.card,
+          generatorUsed: result.generatorUsed
+        });
+      }
+
       // 3. GET / PATCH / DELETE /api/ideas/:id
       const ideaIdMatch = pathname.match(/^\/api\/ideas\/(\d+)$/);
       if (ideaIdMatch) {
@@ -663,6 +697,7 @@ export function createAppServer({
               ? "Authenticated via ~/.codex/auth.json"
               : "",
             nanoBananaModel: model,
+            userBackground: store.getSetting("user_background", DEFAULT_USER_BACKGROUND) || DEFAULT_USER_BACKGROUND,
             availableModels: NANO_BANANA_MODELS,
             surfacePresets: Object.entries(SURFACE_PRESETS).map(([id, val]) => ({
               id,
@@ -678,6 +713,9 @@ export function createAppServer({
           if (body.nanoBananaModel !== undefined) {
             store.setSetting("nano_banana_model", String(body.nanoBananaModel).trim());
           }
+          if (body.userBackground !== undefined) {
+            store.setSetting("user_background", String(body.userBackground).trim());
+          }
           const savedKey = store.getSetting("gemini_api_key", "");
           const envKey = process.env.GEMINI_API_KEY || process.env.GOOGLE_API_KEY || "";
           const activeKey = savedKey || envKey;
@@ -686,7 +724,8 @@ export function createAppServer({
             saved: true,
             hasApiKey: Boolean(activeKey) || codexReady,
             codexReady,
-            nanoBananaModel: store.getSetting("nano_banana_model", "codex-image-gen")
+            nanoBananaModel: store.getSetting("nano_banana_model", "codex-image-gen"),
+            userBackground: store.getSetting("user_background", DEFAULT_USER_BACKGROUND) || DEFAULT_USER_BACKGROUND
           });
         }
       }