v1.0.63 Backend / v1.0.57 Frontend - Edición y auditoría de preguntas

backend/migrations/add_question_audit_log.sql

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+-- Migration: Add question_audit_log table
+-- Date: 2025-11-27
+-- Description: Add audit logging for question changes
+
+CREATE TABLE IF NOT EXISTS question_audit_log (
+    id SERIAL PRIMARY KEY,
+    question_id INTEGER NOT NULL,
+    checklist_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    action VARCHAR(50) NOT NULL,
+    field_name VARCHAR(100),
+    old_value TEXT,
+    new_value TEXT,
+    comment TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    
+    -- Foreign keys
+    CONSTRAINT fk_question_audit_question 
+        FOREIGN KEY (question_id) 
+        REFERENCES questions(id) 
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_question_audit_checklist 
+        FOREIGN KEY (checklist_id) 
+        REFERENCES checklists(id) 
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_question_audit_user 
+        FOREIGN KEY (user_id) 
+        REFERENCES users(id)
+);
+
+-- Create indexes for better query performance
+CREATE INDEX idx_question_audit_question_id ON question_audit_log(question_id);
+CREATE INDEX idx_question_audit_checklist_id ON question_audit_log(checklist_id);
+CREATE INDEX idx_question_audit_created_at ON question_audit_log(created_at);
+CREATE INDEX idx_question_audit_action ON question_audit_log(action);
+
+-- Add comment to table
+COMMENT ON TABLE question_audit_log IS 'Registro de auditoría para cambios en preguntas de checklists';
+COMMENT ON COLUMN question_audit_log.action IS 'Tipo de acción: created, updated, deleted';
+COMMENT ON COLUMN question_audit_log.field_name IS 'Nombre del campo modificado (solo para updates)';
+COMMENT ON COLUMN question_audit_log.old_value IS 'Valor anterior del campo';
+COMMENT ON COLUMN question_audit_log.new_value IS 'Valor nuevo del campo';