From ea438eea7299a56e583e5f8ae698f078a6c689e6 Mon Sep 17 00:00:00 2001
From: gaoziman <2942894660@qq.com>
Date: Wed, 24 Dec 2025 15:57:47 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E6=95=B0=E6=8D=AE=E5=BA=93):=20=E6=B7=BB?=
 =?UTF-8?q?=E5=8A=A0=E5=AF=B9=E8=AF=9D=E5=88=86=E4=BA=AB=E8=A1=A8=E5=92=8C?=
 =?UTF-8?q?=E8=BF=81=E7=A7=BB=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 新增 sharedConversations 表用于存储分享信息
- 支持分享短链接码、内容控制选项、浏览统计
- 添加选择性消息分享功能（selectedMessageIds）
- 完善表关系定义和类型导出
---
 .../0013_charming_natasha_romanoff.sql        |   18 +
 src/drizzle/migrations/0014_naive_kronos.sql  |    1 +
 .../migrations/meta/0013_snapshot.json        | 1323 ++++++++++++++++
 .../migrations/meta/0014_snapshot.json        | 1329 +++++++++++++++++
 src/drizzle/migrations/meta/_journal.json     |   14 +
 src/drizzle/schema.ts                         |   49 +
 6 files changed, 2734 insertions(+)
 create mode 100644 src/drizzle/migrations/0013_charming_natasha_romanoff.sql
 create mode 100644 src/drizzle/migrations/0014_naive_kronos.sql
 create mode 100644 src/drizzle/migrations/meta/0013_snapshot.json
 create mode 100644 src/drizzle/migrations/meta/0014_snapshot.json

diff --git a/src/drizzle/migrations/0013_charming_natasha_romanoff.sql b/src/drizzle/migrations/0013_charming_natasha_romanoff.sql
new file mode 100644
index 0000000..9db6271
--- /dev/null
+++ b/src/drizzle/migrations/0013_charming_natasha_romanoff.sql
@@ -0,0 +1,18 @@
+CREATE TABLE "shared_conversations" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"share_id" varchar(64) NOT NULL,
+	"conversation_id" varchar(64) NOT NULL,
+	"user_id" varchar(64) NOT NULL,
+	"share_code" varchar(12) NOT NULL,
+	"title" varchar(255),
+	"description" text,
+	"include_thinking" boolean DEFAULT true,
+	"include_tool_calls" boolean DEFAULT false,
+	"include_images" boolean DEFAULT true,
+	"view_count" integer DEFAULT 0,
+	"is_active" boolean DEFAULT true,
+	"created_at" timestamp with time zone DEFAULT now(),
+	"updated_at" timestamp with time zone DEFAULT now(),
+	CONSTRAINT "shared_conversations_share_id_unique" UNIQUE("share_id"),
+	CONSTRAINT "shared_conversations_share_code_unique" UNIQUE("share_code")
+);
diff --git a/src/drizzle/migrations/0014_naive_kronos.sql b/src/drizzle/migrations/0014_naive_kronos.sql
new file mode 100644
index 0000000..d7a8229
--- /dev/null
+++ b/src/drizzle/migrations/0014_naive_kronos.sql
@@ -0,0 +1 @@
+ALTER TABLE "shared_conversations" ADD COLUMN "snapshot_at" timestamp with time zone;
\ No newline at end of file
diff --git a/src/drizzle/migrations/meta/0013_snapshot.json b/src/drizzle/migrations/meta/0013_snapshot.json
new file mode 100644
index 0000000..0439ee7
--- /dev/null
+++ b/src/drizzle/migrations/meta/0013_snapshot.json
@@ -0,0 +1,1323 @@
+{
+  "id": "e9aa5711-72c5-4375-a7c8-6d86b45d6780",
+  "prevId": "3d712b49-cf8d-4504-b8bd-42061c55fb6b",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.assistant_categories": {
+      "name": "assistant_categories",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "icon": {
+          "name": "icon",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.assistants": {
+      "name": "assistants",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "category_id": {
+          "name": "category_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "icon": {
+          "name": "icon",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "system_prompt": {
+          "name": "system_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tags": {
+          "name": "tags",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "is_builtin": {
+          "name": "is_builtin",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "use_count": {
+          "name": "use_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.conversations": {
+      "name": "conversations",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "conversation_id": {
+          "name": "conversation_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "assistant_id": {
+          "name": "assistant_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'新对话'"
+        },
+        "summary": {
+          "name": "summary",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "model": {
+          "name": "model",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tools": {
+          "name": "tools",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "enable_thinking": {
+          "name": "enable_thinking",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "system_prompt": {
+          "name": "system_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "temperature": {
+          "name": "temperature",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "message_count": {
+          "name": "message_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "total_tokens": {
+          "name": "total_tokens",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "is_archived": {
+          "name": "is_archived",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "is_pinned": {
+          "name": "is_pinned",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "last_message_at": {
+          "name": "last_message_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "conversations_conversation_id_unique": {
+          "name": "conversations_conversation_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "conversation_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.messages": {
+      "name": "messages",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "message_id": {
+          "name": "message_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "conversation_id": {
+          "name": "conversation_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "role": {
+          "name": "role",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "content": {
+          "name": "content",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "thinking_content": {
+          "name": "thinking_content",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "thinking_collapsed": {
+          "name": "thinking_collapsed",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "tool_calls": {
+          "name": "tool_calls",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "tool_results": {
+          "name": "tool_results",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "images": {
+          "name": "images",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "uploaded_images": {
+          "name": "uploaded_images",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "uploaded_documents": {
+          "name": "uploaded_documents",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "used_tools": {
+          "name": "used_tools",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "search_images": {
+          "name": "search_images",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "input_tokens": {
+          "name": "input_tokens",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "output_tokens": {
+          "name": "output_tokens",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "status": {
+          "name": "status",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'completed'"
+        },
+        "error_message": {
+          "name": "error_message",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "feedback": {
+          "name": "feedback",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "messages_message_id_unique": {
+          "name": "messages_message_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "message_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.models": {
+      "name": "models",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "model_id": {
+          "name": "model_id",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "display_name": {
+          "name": "display_name",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "model_type": {
+          "name": "model_type",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'claude'"
+        },
+        "supports_tools": {
+          "name": "supports_tools",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "supports_thinking": {
+          "name": "supports_thinking",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "supports_vision": {
+          "name": "supports_vision",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "max_tokens": {
+          "name": "max_tokens",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 8192
+        },
+        "context_window": {
+          "name": "context_window",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 200000
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "is_default": {
+          "name": "is_default",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "models_model_id_unique": {
+          "name": "models_model_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "model_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.notes": {
+      "name": "notes",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "note_id": {
+          "name": "note_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "conversation_id": {
+          "name": "conversation_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "message_id": {
+          "name": "message_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "content": {
+          "name": "content",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tags": {
+          "name": "tags",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "is_pinned": {
+          "name": "is_pinned",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "is_archived": {
+          "name": "is_archived",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "notes_note_id_unique": {
+          "name": "notes_note_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "note_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.prompt_optimizations": {
+      "name": "prompt_optimizations",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "original_prompt": {
+          "name": "original_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "optimized_prompt": {
+          "name": "optimized_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "mode": {
+          "name": "mode",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.shared_conversations": {
+      "name": "shared_conversations",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "share_id": {
+          "name": "share_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "conversation_id": {
+          "name": "conversation_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "share_code": {
+          "name": "share_code",
+          "type": "varchar(12)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "include_thinking": {
+          "name": "include_thinking",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "include_tool_calls": {
+          "name": "include_tool_calls",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "include_images": {
+          "name": "include_images",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "view_count": {
+          "name": "view_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "is_active": {
+          "name": "is_active",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "shared_conversations_share_id_unique": {
+          "name": "shared_conversations_share_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "share_id"
+          ]
+        },
+        "shared_conversations_share_code_unique": {
+          "name": "shared_conversations_share_code_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "share_code"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.tools": {
+      "name": "tools",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "tool_id": {
+          "name": "tool_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "display_name": {
+          "name": "display_name",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "icon": {
+          "name": "icon",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "input_schema": {
+          "name": "input_schema",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "is_default": {
+          "name": "is_default",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "tools_tool_id_unique": {
+          "name": "tools_tool_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "tool_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user_favorite_assistants": {
+      "name": "user_favorite_assistants",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "assistant_id": {
+          "name": "assistant_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user_settings": {
+      "name": "user_settings",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cch_url": {
+          "name": "cch_url",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'http://localhost:13500'"
+        },
+        "cch_api_key": {
+          "name": "cch_api_key",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cch_api_key_configured": {
+          "name": "cch_api_key_configured",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "metaso_api_key": {
+          "name": "metaso_api_key",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "metaso_api_key_configured": {
+          "name": "metaso_api_key_configured",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "api_format": {
+          "name": "api_format",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'claude'"
+        },
+        "default_model": {
+          "name": "default_model",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'claude-sonnet-4-5-20250929'"
+        },
+        "default_tools": {
+          "name": "default_tools",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[\"web_search\",\"web_fetch\",\"mita_search\",\"mita_reader\"]'::jsonb"
+        },
+        "system_prompt": {
+          "name": "system_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "temperature": {
+          "name": "temperature",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.7'"
+        },
+        "theme": {
+          "name": "theme",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'light'"
+        },
+        "language": {
+          "name": "language",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'zh-CN'"
+        },
+        "font_size": {
+          "name": "font_size",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 15
+        },
+        "enable_thinking": {
+          "name": "enable_thinking",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "save_chat_history": {
+          "name": "save_chat_history",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "user_settings_user_id_unique": {
+          "name": "user_settings_user_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "user_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.users": {
+      "name": "users",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "password": {
+          "name": "password",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "nickname": {
+          "name": "nickname",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "avatar": {
+          "name": "avatar",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "plan": {
+          "name": "plan",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'free'"
+        },
+        "status": {
+          "name": "status",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'active'"
+        },
+        "email_verified": {
+          "name": "email_verified",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "last_login_at": {
+          "name": "last_login_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "users_user_id_unique": {
+          "name": "users_user_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "user_id"
+          ]
+        },
+        "users_email_unique": {
+          "name": "users_email_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "email"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.verification_codes": {
+      "name": "verification_codes",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "code": {
+          "name": "code",
+          "type": "varchar(6)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "used": {
+          "name": "used",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {},
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}
\ No newline at end of file
diff --git a/src/drizzle/migrations/meta/0014_snapshot.json b/src/drizzle/migrations/meta/0014_snapshot.json
new file mode 100644
index 0000000..9acaa04
--- /dev/null
+++ b/src/drizzle/migrations/meta/0014_snapshot.json
@@ -0,0 +1,1329 @@
+{
+  "id": "60c2df5b-0587-4235-baf7-17ce2b47033a",
+  "prevId": "e9aa5711-72c5-4375-a7c8-6d86b45d6780",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.assistant_categories": {
+      "name": "assistant_categories",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "icon": {
+          "name": "icon",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.assistants": {
+      "name": "assistants",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "category_id": {
+          "name": "category_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "icon": {
+          "name": "icon",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "system_prompt": {
+          "name": "system_prompt",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tags": {
+          "name": "tags",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "is_builtin": {
+          "name": "is_builtin",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "is_enabled": {
+          "name": "is_enabled",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "sort_order": {
+          "name": "sort_order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "use_count": {
+          "name": "use_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.conversations": {
+      "name": "conversations",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "conversation_id": {
+          "name": "conversation_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "assistant_id": {
+          "name": "assistant_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'新对话'"
+        },
+        "summary": {
+          "name": "summary",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "model": {
+          "name": "model",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tools": {
+          "name": "tools",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'[]'::jsonb"
+        },
+        "enable_thinking": {
+          "name": "enable_thinking",
+          "type": "boolean",
+          "primaryKey": false,
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+          "notNull": false
+        },
+        "temperature": {
+          "name": "temperature",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'0.7'"
+        },
+        "theme": {
+          "name": "theme",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'light'"
+        },
+        "language": {
+          "name": "language",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'zh-CN'"
+        },
+        "font_size": {
+          "name": "font_size",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "default": 15
+        },
+        "enable_thinking": {
+          "name": "enable_thinking",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "save_chat_history": {
+          "name": "save_chat_history",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "user_settings_user_id_unique": {
+          "name": "user_settings_user_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "user_id"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.users": {
+      "name": "users",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "password": {
+          "name": "password",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "nickname": {
+          "name": "nickname",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "avatar": {
+          "name": "avatar",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "plan": {
+          "name": "plan",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'free'"
+        },
+        "status": {
+          "name": "status",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "'active'"
+        },
+        "email_verified": {
+          "name": "email_verified",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "last_login_at": {
+          "name": "last_login_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "users_user_id_unique": {
+          "name": "users_user_id_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "user_id"
+          ]
+        },
+        "users_email_unique": {
+          "name": "users_email_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "email"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.verification_codes": {
+      "name": "verification_codes",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "code": {
+          "name": "code",
+          "type": "varchar(6)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "used": {
+          "name": "used",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": false,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp with time zone",
+          "primaryKey": false,
+          "notNull": false,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {},
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}
\ No newline at end of file
diff --git a/src/drizzle/migrations/meta/_journal.json b/src/drizzle/migrations/meta/_journal.json
index 5738bc1..80299cd 100644
--- a/src/drizzle/migrations/meta/_journal.json
+++ b/src/drizzle/migrations/meta/_journal.json
@@ -92,6 +92,20 @@
       "when": 1766339459689,
       "tag": "0012_flippant_marvel_apes",
       "breakpoints": true
+    },
+    {
+      "idx": 13,
+      "version": "7",
+      "when": 1766540812748,
+      "tag": "0013_charming_natasha_romanoff",
+      "breakpoints": true
+    },
+    {
+      "idx": 14,
+      "version": "7",
+      "when": 1766546111189,
+      "tag": "0014_naive_kronos",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/src/drizzle/schema.ts b/src/drizzle/schema.ts
index cf5d416..dc6b5e0 100644
--- a/src/drizzle/schema.ts
+++ b/src/drizzle/schema.ts
@@ -313,6 +313,40 @@ export const promptOptimizations = pgTable('prompt_optimizations', {
   createdAt: timestamp('created_at', { withTimezone: true }).defaultNow(),
 });
 
+// ============================================
+// 对话分享表
+// ============================================
+export const sharedConversations = pgTable('shared_conversations', {
+  id: serial('id').primaryKey(),
+  // 分享唯一标识
+  shareId: varchar('share_id', { length: 64 }).notNull().unique(),
+  // 关联对话
+  conversationId: varchar('conversation_id', { length: 64 }).notNull(),
+  // 分享创建者
+  userId: varchar('user_id', { length: 64 }).notNull(),
+  // 短链接码（用于分享 URL）
+  shareCode: varchar('share_code', { length: 12 }).notNull().unique(),
+  // 分享标题（可自定义）
+  title: varchar('title', { length: 255 }),
+  // 分享描述
+  description: text('description'),
+  // 内容控制
+  includeThinking: boolean('include_thinking').default(true),
+  includeToolCalls: boolean('include_tool_calls').default(false),
+  includeImages: boolean('include_images').default(true),
+  // 统计信息
+  viewCount: integer('view_count').default(0),
+  // 状态
+  isActive: boolean('is_active').default(true),
+  // 快照时间点（只显示此时间之前的消息）
+  snapshotAt: timestamp('snapshot_at', { withTimezone: true }),
+  // 选择的消息ID列表（JSON数组，null 表示全部消息）
+  selectedMessageIds: jsonb('selected_message_ids').$type<string[]>(),
+  // 时间戳
+  createdAt: timestamp('created_at', { withTimezone: true }).defaultNow(),
+  updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow(),
+});
+
 // ============================================
 // 关系定义
 // ============================================
@@ -399,6 +433,18 @@ export const notesRelations = relations(notes, ({ one }) => ({
   }),
 }));
 
+// 分享关系
+export const sharedConversationsRelations = relations(sharedConversations, ({ one }) => ({
+  user: one(users, {
+    fields: [sharedConversations.userId],
+    references: [users.userId],
+  }),
+  conversation: one(conversations, {
+    fields: [sharedConversations.conversationId],
+    references: [conversations.conversationId],
+  }),
+}));
+
 // ============================================
 // 类型定义
 // ============================================
@@ -469,3 +515,6 @@ export type NewNote = typeof notes.$inferInsert;
 
 export type PromptOptimization = typeof promptOptimizations.$inferSelect;
 export type NewPromptOptimization = typeof promptOptimizations.$inferInsert;
+
+export type SharedConversation = typeof sharedConversations.$inferSelect;
+export type NewSharedConversation = typeof sharedConversations.$inferInsert;