diff --git a/apps/server/drizzle/0007_dazzling_ken_ellis.sql b/apps/server/drizzle/0007_dazzling_ken_ellis.sql
new file mode 100644
index 000000000..0d2220a44
--- /dev/null
+++ b/apps/server/drizzle/0007_dazzling_ken_ellis.sql
@@ -0,0 +1,3 @@
+ALTER TABLE "chat_members" DROP CONSTRAINT "chat_members_user_id_user_id_fk";
+--> statement-breakpoint
+ALTER TABLE "chat_members" DROP CONSTRAINT "chat_members_character_id_characters_id_fk";
diff --git a/apps/server/drizzle/meta/0007_snapshot.json b/apps/server/drizzle/meta/0007_snapshot.json
new file mode 100644
index 000000000..61fc0cf6f
--- /dev/null
+++ b/apps/server/drizzle/meta/0007_snapshot.json
@@ -0,0 +1,1510 @@
+{
+  "id": "ae2d20ed-39c9-4675-b55b-bc25cb048d3d",
+  "prevId": "72183d19-1430-4cac-a0be-48de27227b4a",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.account": {
+      "name": "account",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "account_id": {
+          "name": "account_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "provider_id": {
+          "name": "provider_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "access_token": {
+          "name": "access_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "refresh_token": {
+          "name": "refresh_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "id_token": {
+          "name": "id_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "access_token_expires_at": {
+          "name": "access_token_expires_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "refresh_token_expires_at": {
+          "name": "refresh_token_expires_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "scope": {
+          "name": "scope",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "password": {
+          "name": "password",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {
+        "account_userId_idx": {
+          "name": "account_userId_idx",
+          "columns": [
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "account_user_id_user_id_fk": {
+          "name": "account_user_id_user_id_fk",
+          "tableFrom": "account",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.session": {
+      "name": "session",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "token": {
+          "name": "token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "ip_address": {
+          "name": "ip_address",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "user_agent": {
+          "name": "user_agent",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {
+        "session_userId_idx": {
+          "name": "session_userId_idx",
+          "columns": [
+            {
+              "expression": "user_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "session_user_id_user_id_fk": {
+          "name": "session_user_id_user_id_fk",
+          "tableFrom": "session",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "session_token_unique": {
+          "name": "session_token_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "token"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user": {
+      "name": "user",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email_verified": {
+          "name": "email_verified",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "image": {
+          "name": "image",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "user_email_unique": {
+          "name": "user_email_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "email"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.verification": {
+      "name": "verification",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "identifier": {
+          "name": "identifier",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "value": {
+          "name": "value",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "verification_identifier_idx": {
+          "name": "verification_identifier_idx",
+          "columns": [
+            {
+              "expression": "identifier",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.avatar_model": {
+      "name": "avatar_model",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "config": {
+          "name": "config",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "avatar_model_character_id_characters_id_fk": {
+          "name": "avatar_model_character_id_characters_id_fk",
+          "tableFrom": "avatar_model",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.characters": {
+      "name": "characters",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "version": {
+          "name": "version",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "cover_url": {
+          "name": "cover_url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "creator_id": {
+          "name": "creator_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "owner_id": {
+          "name": "owner_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "avatar_url": {
+          "name": "avatar_url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "creator_role": {
+          "name": "creator_role",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "price_credit": {
+          "name": "price_credit",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'0'"
+        },
+        "likes_count": {
+          "name": "likes_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "bookmarks_count": {
+          "name": "bookmarks_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "interactions_count": {
+          "name": "interactions_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "forks_count": {
+          "name": "forks_count",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "characters_creator_id_user_id_fk": {
+          "name": "characters_creator_id_user_id_fk",
+          "tableFrom": "characters",
+          "tableTo": "user",
+          "columnsFrom": [
+            "creator_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        },
+        "characters_owner_id_user_id_fk": {
+          "name": "characters_owner_id_user_id_fk",
+          "tableFrom": "characters",
+          "tableTo": "user",
+          "columnsFrom": [
+            "owner_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.character_capabilities": {
+      "name": "character_capabilities",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "config": {
+          "name": "config",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "character_capabilities_character_id_characters_id_fk": {
+          "name": "character_capabilities_character_id_characters_id_fk",
+          "tableFrom": "character_capabilities",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.character_covers": {
+      "name": "character_covers",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "foreground_url": {
+          "name": "foreground_url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "background_url": {
+          "name": "background_url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "character_covers_character_id_characters_id_fk": {
+          "name": "character_covers_character_id_characters_id_fk",
+          "tableFrom": "character_covers",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.character_i18n": {
+      "name": "character_i18n",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "language": {
+          "name": "language",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tagline": {
+          "name": "tagline",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tags": {
+          "name": "tags",
+          "type": "text[]",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "character_i18n_character_id_characters_id_fk": {
+          "name": "character_i18n_character_id_characters_id_fk",
+          "tableFrom": "character_i18n",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.character_prompts": {
+      "name": "character_prompts",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "language": {
+          "name": "language",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "content": {
+          "name": "content",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "character_prompts_character_id_characters_id_fk": {
+          "name": "character_prompts_character_id_characters_id_fk",
+          "tableFrom": "character_prompts",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.chat_members": {
+      "name": "chat_members",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "chat_id": {
+          "name": "chat_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "member_type": {
+          "name": "member_type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "chat_members_chat_id_chats_id_fk": {
+          "name": "chat_members_chat_id_chats_id_fk",
+          "tableFrom": "chat_members",
+          "tableTo": "chats",
+          "columnsFrom": [
+            "chat_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.chats": {
+      "name": "chats",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "type": {
+          "name": "type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "title": {
+          "name": "title",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.media": {
+      "name": "media",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "url": {
+          "name": "url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "mime_type": {
+          "name": "mime_type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "size": {
+          "name": "size",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.messages": {
+      "name": "messages",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "chat_id": {
+          "name": "chat_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "sender_id": {
+          "name": "sender_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "role": {
+          "name": "role",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "content": {
+          "name": "content",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "media_ids": {
+          "name": "media_ids",
+          "type": "text[]",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "sticker_ids": {
+          "name": "sticker_ids",
+          "type": "text[]",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "reply_message_id": {
+          "name": "reply_message_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "forward_from_message_id": {
+          "name": "forward_from_message_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "messages_chat_id_chats_id_fk": {
+          "name": "messages_chat_id_chats_id_fk",
+          "tableFrom": "messages",
+          "tableTo": "chats",
+          "columnsFrom": [
+            "chat_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.sticker_packs": {
+      "name": "sticker_packs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.stickers": {
+      "name": "stickers",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "url": {
+          "name": "url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.system_provider_configs": {
+      "name": "system_provider_configs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "definition_id": {
+          "name": "definition_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "config": {
+          "name": "config",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'{}'::jsonb"
+        },
+        "validated": {
+          "name": "validated",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "validation_bypassed": {
+          "name": "validation_bypassed",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user_provider_configs": {
+      "name": "user_provider_configs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "owner_id": {
+          "name": "owner_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "definition_id": {
+          "name": "definition_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "config": {
+          "name": "config",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'{}'::jsonb"
+        },
+        "validated": {
+          "name": "validated",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "validation_bypassed": {
+          "name": "validation_bypassed",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "deleted_at": {
+          "name": "deleted_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "user_provider_configs_owner_id_user_id_fk": {
+          "name": "user_provider_configs_owner_id_user_id_fk",
+          "tableFrom": "user_provider_configs",
+          "tableTo": "user",
+          "columnsFrom": [
+            "owner_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user_character_bookmarks": {
+      "name": "user_character_bookmarks",
+      "schema": "",
+      "columns": {
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "user_character_bookmarks_user_id_user_id_fk": {
+          "name": "user_character_bookmarks_user_id_user_id_fk",
+          "tableFrom": "user_character_bookmarks",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        },
+        "user_character_bookmarks_character_id_characters_id_fk": {
+          "name": "user_character_bookmarks_character_id_characters_id_fk",
+          "tableFrom": "user_character_bookmarks",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {
+        "user_character_bookmarks_user_id_character_id_pk": {
+          "name": "user_character_bookmarks_user_id_character_id_pk",
+          "columns": [
+            "user_id",
+            "character_id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.user_character_likes": {
+      "name": "user_character_likes",
+      "schema": "",
+      "columns": {
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "character_id": {
+          "name": "character_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "user_character_likes_user_id_user_id_fk": {
+          "name": "user_character_likes_user_id_user_id_fk",
+          "tableFrom": "user_character_likes",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        },
+        "user_character_likes_character_id_characters_id_fk": {
+          "name": "user_character_likes_character_id_characters_id_fk",
+          "tableFrom": "user_character_likes",
+          "tableTo": "characters",
+          "columnsFrom": [
+            "character_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {
+        "user_character_likes_user_id_character_id_pk": {
+          "name": "user_character_likes_user_id_character_id_pk",
+          "columns": [
+            "user_id",
+            "character_id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {},
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}
\ No newline at end of file
diff --git a/apps/server/drizzle/meta/_journal.json b/apps/server/drizzle/meta/_journal.json
index 66c375dad..948fdedce 100644
--- a/apps/server/drizzle/meta/_journal.json
+++ b/apps/server/drizzle/meta/_journal.json
@@ -50,6 +50,13 @@
       "when": 1769186900274,
       "tag": "0006_gray_stardust",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "7",
+      "when": 1769253946442,
+      "tag": "0007_dazzling_ken_ellis",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/apps/server/src/schemas/chats.ts b/apps/server/src/schemas/chats.ts
index 5bcecf8d9..efc034caa 100644
--- a/apps/server/src/schemas/chats.ts
+++ b/apps/server/src/schemas/chats.ts
@@ -3,8 +3,6 @@ import type { InferInsertModel, InferSelectModel } from 'drizzle-orm'
 import { integer, pgTable, text, timestamp } from 'drizzle-orm/pg-core'
 
 import { nanoid } from '../utils/id'
-import { user } from './accounts'
-import { character } from './characters'
 
 export const media = pgTable(
   'media',
@@ -65,8 +63,8 @@ export const chatMembers = pgTable(
     id: text('id').primaryKey().$defaultFn(() => nanoid()),
     chatId: text('chat_id').notNull().references(() => chats.id, { onDelete: 'cascade' }),
     memberType: text('member_type').notNull().$type<ChatMemberType>(),
-    userId: text('user_id').references(() => user.id, { onDelete: 'cascade' }),
-    characterId: text('character_id').references(() => character.id, { onDelete: 'cascade' }),
+    userId: text('user_id'),
+    characterId: text('character_id'),
   },
 )
 
diff --git a/packages/stage-ui/src/stores/chat.ts b/packages/stage-ui/src/stores/chat.ts
index 01773a4b7..a0300d95a 100644
--- a/packages/stage-ui/src/stores/chat.ts
+++ b/packages/stage-ui/src/stores/chat.ts
@@ -6,6 +6,7 @@ import type { ChatAssistantMessage, ChatSlices, ChatStreamEventContext, Streamin
 import type { StreamEvent, StreamOptions } from './llm'
 
 import { createQueue } from '@proj-airi/stream-kit'
+import { nanoid } from 'nanoid'
 import { defineStore, storeToRefs } from 'pinia'
 import { ref, toRaw } from 'vue'
 
@@ -112,7 +113,7 @@ export const useChatOrchestratorStore = defineStore('chat-orchestrator', () => {
 
     const sendingCreatedAt = Date.now()
     const streamingMessageContext: ChatStreamEventContext = {
-      message: { role: 'user', content: sendingMessage, createdAt: sendingCreatedAt },
+      message: { role: 'user', content: sendingMessage, createdAt: sendingCreatedAt, id: nanoid() },
       contexts: chatContext.getContextsSnapshot(),
       composedMessage: [],
       input: options.input,
@@ -127,7 +128,7 @@ export const useChatOrchestratorStore = defineStore('chat-orchestrator', () => {
 
     const isForegroundSession = () => sessionId === activeSessionId.value
 
-    const buildingMessage: StreamingAssistantMessage = { role: 'assistant', content: '', slices: [], tool_results: [], createdAt: Date.now() }
+    const buildingMessage: StreamingAssistantMessage = { role: 'assistant', content: '', slices: [], tool_results: [], createdAt: Date.now(), id: nanoid() }
 
     const updateUI = () => {
       if (isForegroundSession()) {
@@ -170,7 +171,7 @@ export const useChatOrchestratorStore = defineStore('chat-orchestrator', () => {
         return
 
       const sessionMessagesForSend = chatSession.getSessionMessages(sessionId)
-      sessionMessagesForSend.push({ role: 'user', content: finalContent, createdAt: sendingCreatedAt })
+      sessionMessagesForSend.push({ role: 'user', content: finalContent, createdAt: sendingCreatedAt, id: nanoid() })
       chatSession.persistSessionMessages(sessionId)
 
       const categorizer = createStreamingCategorizer(activeProvider.value)
diff --git a/packages/stage-ui/src/stores/chat/session-store.ts b/packages/stage-ui/src/stores/chat/session-store.ts
index e4ef0f65e..00dd13b47 100644
--- a/packages/stage-ui/src/stores/chat/session-store.ts
+++ b/packages/stage-ui/src/stores/chat/session-store.ts
@@ -72,14 +72,28 @@ export const useChatSessionStore = defineStore('chat-session', () => {
     return ''
   }
 
-  function buildMessageId(sessionId: string, message: ChatHistoryItem, index: number) {
-    const createdAt = message.createdAt ?? 0
-    return `${sessionId}:${createdAt}:${index}`
+  function ensureSessionMessageIds(sessionId: string) {
+    const current = sessionMessages.value[sessionId] ?? []
+    let changed = false
+    const next = current.map((message) => {
+      if (message.id)
+        return message
+      changed = true
+      return {
+        ...message,
+        id: nanoid(),
+      }
+    })
+
+    if (changed)
+      sessionMessages.value[sessionId] = next
+
+    return next
   }
 
-  function buildSyncMessages(sessionId: string, messages: ChatHistoryItem[]) {
-    return messages.map((message, index) => ({
-      id: buildMessageId(sessionId, message, index),
+  function buildSyncMessages(messages: ChatHistoryItem[]) {
+    return messages.map(message => ({
+      id: message.id ?? nanoid(),
       role: message.role,
       content: extractMessageContent(message),
       createdAt: message.createdAt,
@@ -106,13 +120,22 @@ export const useChatSessionStore = defineStore('chat-session', () => {
           { type: 'user', userId: userId.value },
         ]
 
-        if (cachedRecord.meta.characterId) {
+        if (cachedRecord.meta.characterId && cachedRecord.meta.characterId !== 'default') {
           members.push({
             type: 'character',
             characterId: cachedRecord.meta.characterId,
           })
         }
 
+        const normalizedMessages = cachedRecord.messages.map(message => message.id ? message : { ...message, id: nanoid() })
+        if (normalizedMessages.some((message, index) => cachedRecord?.messages[index]?.id !== message.id)) {
+          cachedRecord = {
+            ...cachedRecord,
+            messages: normalizedMessages,
+          }
+          await chatSessionsRepo.saveSession(sessionId, cachedRecord)
+        }
+
         const res = await client.api.chats.sync.$post({
           json: {
             chat: {
@@ -123,7 +146,7 @@ export const useChatSessionStore = defineStore('chat-session', () => {
               updatedAt: cachedRecord.meta.updatedAt,
             },
             members,
-            messages: buildSyncMessages(cachedRecord.meta.sessionId, cachedRecord.messages),
+            messages: buildSyncMessages(cachedRecord.messages),
           },
         })
 
@@ -155,6 +178,7 @@ export const useChatSessionStore = defineStore('chat-session', () => {
     return {
       role: 'system',
       content,
+      id: nanoid(),
       createdAt: Date.now(),
     } satisfies ChatHistoryItem
   }
@@ -193,7 +217,7 @@ export const useChatSessionStore = defineStore('chat-session', () => {
     const meta = sessionMetas.value[sessionId]
     if (!meta)
       return
-    const messages = snapshotMessages(sessionMessages.value[sessionId] ?? [])
+    const messages = snapshotMessages(ensureSessionMessageIds(sessionId))
     const now = Date.now()
     const updatedMeta = {
       ...meta,
diff --git a/packages/stage-ui/src/types/chat.ts b/packages/stage-ui/src/types/chat.ts
index b0669c033..6d44958c5 100644
--- a/packages/stage-ui/src/types/chat.ts
+++ b/packages/stage-ui/src/types/chat.ts
@@ -45,7 +45,7 @@ export interface ContextMessage extends ContextUpdate<Record<string, unknown>, s
   createdAt: number
 }
 
-export type ChatHistoryItem = (ChatMessage | ErrorMessage) & { context?: ContextMessage } & { createdAt?: number }
+export type ChatHistoryItem = (ChatMessage | ErrorMessage) & { context?: ContextMessage } & { createdAt?: number, id?: string }
 
 export interface ChatStreamEventContext {
   message: ChatHistoryItem
@@ -65,4 +65,4 @@ export type ChatStreamEvent
     | { type: 'assistant-end', message: string, sessionId: string, context: ChatStreamEventContext }
     | { type: 'assistant-message', message: ChatAssistantMessage, sessionId: string, messageText: string, context: ChatStreamEventContext }
 
-export type StreamingAssistantMessage = ChatAssistantMessage & { context?: ContextMessage } & { createdAt?: number }
+export type StreamingAssistantMessage = ChatAssistantMessage & { context?: ContextMessage } & { createdAt?: number, id?: string }