feat: Implement AI classification and Web UI, refactor to IMAP

main.py

@@ -0,0 +1,52 @@
+from fastapi import FastAPI, Request, BackgroundTasks
+from fastapi.staticfiles import StaticFiles
+import json
+from processing_logic import run_email_processing
+
+from fastapi.responses import FileResponse
+
+app = FastAPI()
+
+# Mount the 'web' directory to serve static files (CSS, JS)
+app.mount("/static", StaticFiles(directory="web"), name="static")
+
+@app.get("/")
+def read_root():
+    """Serves the main index.html file."""
+    return FileResponse('web/index.html')
+
+@app.get("/api/rules")
+def get_rules():
+    """Reads and returns the current rules from rules.json."""
+    try:
+        with open('rules.json', 'r', encoding='utf-8') as f:
+            return json.load(f)
+    except FileNotFoundError:
+        return {"error": "rules.json not found"}
+    except json.JSONDecodeError:
+        return {"error": "Could not parse rules.json"}
+
+@app.post("/api/rules")
+async def save_rules(request: Request):
+    """Receives new rules as JSON and overwrites rules.json."""
+    try:
+        new_rules = await request.json()
+        with open('rules.json', 'w', encoding='utf-8') as f:
+            json.dump(new_rules, f, indent=2, ensure_ascii=False)
+        return {"message": "Rules saved successfully."}
+    except json.JSONDecodeError:
+        return {"error": "Invalid JSON format received."}
+    except Exception as e:
+        return {"error": f"An error occurred: {e}"}
+
+@app.post("/api/run-processing")
+async def trigger_processing(background_tasks: BackgroundTasks):
+    """Triggers the email processing task in the background."""
+    background_tasks.add_task(run_email_processing)
+    return {"message": "Email processing task has been started in the background."}
+
+
+if __name__ == "__main__":
+    import uvicorn
+    # This is for local development. For production, you'd run uvicorn directly.
+    uvicorn.run(app, host="0.0.0.0", port=8000)