feat(knowledge-base): 增加全局知识库管理

review_agent/migrations/0008_knowledgebasedocument.py

@@ -0,0 +1,80 @@
+# Generated by Django 5.2.14 on 2026-06-08 11:58
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("review_agent", "0007_feishuaccesstokencache_feishuusermapping_and_more"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="KnowledgeBaseDocument",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("display_name", models.CharField(max_length=255)),
+                ("original_name", models.CharField(max_length=255)),
+                ("storage_path", models.CharField(max_length=500)),
+                ("file_size", models.BigIntegerField(default=0)),
+                (
+                    "content_type",
+                    models.CharField(blank=True, default="", max_length=120),
+                ),
+                ("description", models.TextField(blank=True, default="")),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("active", "启用"),
+                            ("disabled", "停用"),
+                            ("deleted", "已删除"),
+                        ],
+                        default="active",
+                        max_length=20,
+                    ),
+                ),
+                ("is_active", models.BooleanField(default=True)),
+                ("indexed_chunk_count", models.PositiveIntegerField(default=0)),
+                ("metadata", models.JSONField(blank=True, default=dict)),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="knowledge_base_documents",
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                "db_table": "ra_knowledge_base_document",
+                "ordering": ["-updated_at", "-id"],
+                "indexes": [
+                    models.Index(
+                        fields=["user", "status"], name="idx_ra_kb_doc_user_status"
+                    ),
+                    models.Index(
+                        fields=["user", "created_at"], name="idx_ra_kb_doc_user_created"
+                    ),
+                    models.Index(
+                        fields=["status", "updated_at"],
+                        name="idx_ra_kb_doc_status_updated",
+                    ),
+                ],
+            },
+        ),
+    ]