feat: Market Intel Database & UI Polish

- market_db_manager.py: Created SQLite manager for saving/loading projects.

- server.cjs: Added API routes for project management.

- geminiService.ts: Added client-side DB functions.

- StepInput.tsx: Added 'Past Runs' sidebar to load previous audits.

- App.tsx: Added auto-save functionality and full state hydration logic.

- StepOutreach.tsx: Improved UI layout by merging generated campaigns and suggestions into one list.

general-market-intelligence/services/geminiService.ts

@@ -251,4 +251,28 @@ export const translateEmailDrafts = async (drafts: EmailDraft[], targetLanguage:
     // Dieser Teil muss noch im Python-Backend oder direkt im Frontend implementiert werden
     console.warn("translateEmailDrafts ist noch nicht im Python-Backend implementiert.");
     return drafts;
-}
+}
+
+// --- PROJECT MANAGEMENT (DB) ---
+
+export const listProjects = async (): Promise<any[]> => {
+    const response = await fetch(`${API_BASE_URL}/projects`);
+    if (!response.ok) throw new Error("Failed to list projects");
+    return await response.json();
+};
+
+export const loadProject = async (id: string): Promise<any> => {
+    const response = await fetch(`${API_BASE_URL}/projects/${id}`);
+    if (!response.ok) throw new Error("Failed to load project");
+    return await response.json();
+};
+
+export const saveProject = async (data: any): Promise<any> => {
+    const response = await fetch(`${API_BASE_URL}/save-project`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    });
+    if (!response.ok) throw new Error("Failed to save project");
+    return await response.json();
+};