feat: Introduce bulk AI product analysis, integrating with OpenRouter via a new API and UI.

src/features/ai-copilot/data/open-router-client.ts

@@ -0,0 +1,52 @@
+import { AnalysisEngine } from "../business/analysis-engine";
+import { ProductAnalysisInput, AnalysisResult } from "../models/ai-analysis.types";
+
+const OPENROUTER_URL = "https://openrouter.ai/api/v1/chat/completions";
+
+export interface OpenRouterConfig {
+    apiKey: string;
+    model: string;
+}
+
+export class OpenRouterClient {
+    constructor(private config: OpenRouterConfig) { }
+
+    async analyzeProduct(p: ProductAnalysisInput): Promise<AnalysisResult> {
+        const response = await fetch(OPENROUTER_URL, {
+            method: "POST",
+            headers: {
+                Authorization: `Bearer ${this.config.apiKey}`,
+                "Content-Type": "application/json",
+                "HTTP-Referer": "https://collectflow.app",
+                "X-Title": "CollectFlow AI Copilot",
+            },
+            body: JSON.stringify({
+                model: this.config.model,
+                messages: [
+                    { role: "system", content: AnalysisEngine.generateSystemPrompt() },
+                    { role: "user", content: AnalysisEngine.generateUserMessage(p) },
+                ],
+                max_tokens: 150,
+                temperature: 0.3,
+            }),
+        });
+
+        if (response.status === 429) {
+            throw new Error("rate_limited");
+        }
+
+        if (!response.ok) {
+            const err = await response.text();
+            throw new Error(`OpenRouter error: ${err}`);
+        }
+
+        const data = await response.json();
+        const content = data.choices?.[0]?.message?.content ?? "";
+
+        return {
+            insight: content,
+            codein: p.codein,
+            recommandation: AnalysisEngine.extractRecommendation(content)
+        };
+    }
+}