feat(migrations): Harden task audit tracking and optimize article templates

- Added migration to harden task audit tracking by modifying audit_logs and related tables.
- Introduced operator_id to several tables for better tracking of actions.
- Updated article_templates with new prompt templates for various article types, enhancing content generation.
- Created prompt_rules and schedule_tasks tables to manage content generation rules and scheduling.
- Added foreign key constraints to articles for better data integrity.

server/migrations/20260401170000_update_research_report_wizard_config.up.sql

@@ -0,0 +1,47 @@
+UPDATE article_templates
+SET card_config_json = jsonb_set(
+      jsonb_set(
+        jsonb_set(
+          jsonb_set(
+            jsonb_set(
+              jsonb_set(
+                card_config_json #- '{wizard,basic,cards,template_fields}',
+                '{wizard,steps,basic,description}',
+                to_jsonb('品牌与关键词背景信息'::text),
+                true
+              ),
+              '{wizard,basic,cards,competitors}',
+              '{"visible": false}'::jsonb,
+              true
+            ),
+            '{wizard,derived_inputs}',
+            '{"subject": {"source": "primary_keyword_or_brand"}}'::jsonb,
+            true
+          ),
+          '{wizard,outline,custom_placeholder}',
+          to_jsonb('自定义输入，不超过10个字'::text),
+          true
+        ),
+        '{wizard,outline,custom_max_length}',
+        '10'::jsonb,
+        true
+      ),
+      '{wizard,outline,sections}',
+      '[
+        { "key": "summary", "label": "摘要", "default": true },
+        { "key": "intro", "label": "引言", "default": true },
+        { "key": "methodology", "label": "研究方法与数据来源", "default": true },
+        { "key": "segment_overview", "label": "细分市场概述", "default": true },
+        { "key": "positioning_analysis", "label": "产品定位与优缺点", "default": true },
+        { "key": "user_research", "label": "用户调研", "default": false },
+        { "key": "target_audience", "label": "目标人群", "default": false },
+        { "key": "competitor_comparison", "label": "竞品对比", "default": false },
+        { "key": "research_conclusion", "label": "研究结论", "default": false },
+        { "key": "analysis_recommendations", "label": "分析建议", "default": false }
+      ]'::jsonb,
+      true
+    ),
+    updated_at = NOW()
+WHERE scope = 'platform'
+  AND template_key = 'research_report'
+  AND deleted_at IS NULL;