Added revised book feature.

modules/web_app.py

@@ -887,6 +887,34 @@ def restart_run(id):
     flash(f"Started new Run #{new_run.id}" + (" with modifications." if feedback else "."))
     return redirect(url_for('view_project', id=run.project_id))
 
+@app.route('/project/<int:run_id>/revise_book/<string:book_folder>', methods=['POST'])
+@login_required
+def revise_book(run_id, book_folder):
+    run = db.session.get(Run, run_id) or Run.query.get_or_404(run_id)
+    if run.project.user_id != current_user.id: return "Unauthorized", 403
+    
+    instruction = request.form.get('instruction')
+    
+    # Create new run
+    new_run = Run(project_id=run.project_id, status="queued")
+    db.session.add(new_run)
+    db.session.commit()
+    
+    # Task: Apply feedback to Bible, Copy all books EXCEPT this one, then Generate
+    task = generate_book_task(
+        new_run.id, 
+        run.project.folder_path, 
+        os.path.join(run.project.folder_path, "bible.json"), 
+        allow_copy=True, 
+        feedback=instruction, 
+        source_run_id=run.id, 
+        keep_cover=True, 
+        exclude_folders=[book_folder]
+    )
+    
+    flash(f"Started Revision Run #{new_run.id}. Book '{book_folder}' will be regenerated.")
+    return redirect(url_for('view_project', id=run.project_id))
+
 @app.route('/run/<int:id>')
 @login_required
 def view_run(id):