Refactor BrandStyleManager and MarketingCopywriter to accept dependencies via constructor, enhancing testability. Update main.py to manage campaign data with new routes for saving, editing, and deleting campaigns. Improve index.html with a textarea for editing generated copy and a button for saving changes. Add functionality to view past campaigns.

data/past_campaigns/campaigns.json

@@ -0,0 +1,14 @@
+{
+    "campaigns": [
+        {
+            "prompt": "",
+            "content": "Subject: Ready to Transform Your Work Journey?  \r\n\r\nHi [Name],  \r\n\r\nDo you feel stuck in your professional path, unsure how to take the next step? You\u2019re not alone\u2014and the solution is closer than you think.  \r\n\r\nIn this exclusive session, you\u2019ll learn how to:  \r\n- Unlock your unique strengths and leverage them for success  \r\n- Create a clear, actionable plan to achieve your goals  \r\n- Build confidence in your professional voice and vision  \r\n- Balance ambition with fulfillment\u2014no burnout required  \r\n\r\nThis isn\u2019t just about working harder. It\u2019s about working *smarter*, with purpose and clarity.  \r\n\r\nJoin us and take the first step toward a career that excites and fulfills you.  \r\n\r\nReserve your spot now: [Link]  \r\n\r\nWarmly,  \r\n[Your Name]",
+            "timestamp": "2025-04-18T19:43:30.474972"
+        },
+        {
+            "prompt": "chair company",
+            "content": "Subject: Elevate Your Workspace with Premium Comfort  \r\n\r\nHi [Name],  \r\n\r\nYour workspace should inspire productivity and comfort\u2014without compromise. Whether you're building your business from home or leading a team in the office, the right chair can transform.\r\n\r\nHere\u2019s what you deserve:  \r\n- **Ergonomic support** to keep you focused and pain-free  \r\n- **Timeless design** that complements your professional aesthetic  \r\n- **Durable craftsmanship** for long-lasting performance  \r\n- **Adjustable features** tailored to your unique needs  \r\n\r\nDon\u2019t settle for discomfort. Upgrade to a chair that supports your ambition and reflects your standards.  \r\n\r\nExplore your options now: [Link]  \r\n\r\nWarmly,  \r\n[Your Name]  \r\n\r\nP.S. Limited stock available\u2014prioritize your comfort today.",
+            "timestamp": "2025-04-18T19:52:34.117453"
+        }
+    ]
+}