From 6798806acdf230a81c0408069081e2d3bcd82f6b Mon Sep 17 00:00:00 2001
From: Xin Wang <wx44wx@XindeMac-mini.local>
Date: Wed, 11 Feb 2026 10:20:47 +0800
Subject: [PATCH] Remove runtime scheme compatibility

---
 api/app/db.py   | 28 +---------------------------
 api/app/main.py |  3 +--
 api/init_db.py  |  3 +++
 3 files changed, 5 insertions(+), 29 deletions(-)

diff --git a/api/app/db.py b/api/app/db.py
index 22a25af..3b04bc8 100644
--- a/api/app/db.py
+++ b/api/app/db.py
@@ -1,4 +1,4 @@
-from sqlalchemy import create_engine, text
+from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker, DeclarativeBase
 import os
 
@@ -14,32 +14,6 @@ class Base(DeclarativeBase):
     pass
 
 
-def ensure_schema_compatibility() -> None:
-    """Best-effort lightweight migrations for SQLite deployments."""
-    if engine.dialect.name != "sqlite":
-        return
-
-    with engine.begin() as conn:
-        columns = {
-            row[1]
-            for row in conn.execute(text("PRAGMA table_info(assistants)"))
-        }
-        if "voice_output_enabled" not in columns:
-            conn.execute(
-                text(
-                    "ALTER TABLE assistants "
-                    "ADD COLUMN voice_output_enabled BOOLEAN DEFAULT 1"
-                )
-            )
-            conn.execute(
-                text(
-                    "UPDATE assistants "
-                    "SET voice_output_enabled = 1 "
-                    "WHERE voice_output_enabled IS NULL"
-                )
-            )
-
-
 def get_db():
     db = SessionLocal()
     try:
diff --git a/api/app/main.py b/api/app/main.py
index 055d53c..a193ff9 100644
--- a/api/app/main.py
+++ b/api/app/main.py
@@ -3,7 +3,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
 import os
 
-from .db import Base, engine, ensure_schema_compatibility
+from .db import Base, engine
 from .routers import assistants, voices, workflows, history, knowledge, llm, asr, tools
 
 
@@ -11,7 +11,6 @@ from .routers import assistants, voices, workflows, history, knowledge, llm, asr
 async def lifespan(app: FastAPI):
     # 启动时创建表
     Base.metadata.create_all(bind=engine)
-    ensure_schema_compatibility()
     yield
 
 
diff --git a/api/init_db.py b/api/init_db.py
index 7a6d571..305f516 100644
--- a/api/init_db.py
+++ b/api/init_db.py
@@ -117,6 +117,7 @@ def init_default_assistants():
                     opener="你好！我是AI助手，有什么可以帮你的吗？",
                     prompt="你是一个友好的AI助手，请用简洁清晰的语言回答用户的问题。",
                     language="zh",
+                    voice_output_enabled=True,
                     voice="anna",
                     speed=1.0,
                     hotwords=[],
@@ -134,6 +135,7 @@ def init_default_assistants():
                     opener="您好，欢迎致电客服中心，请问有什么可以帮您？",
                     prompt="你是一个专业的客服人员，耐心解答客户问题，提供优质的服务体验。",
                     language="zh",
+                    voice_output_enabled=True,
                     voice="bella",
                     speed=1.0,
                     hotwords=["客服", "投诉", "咨询"],
@@ -149,6 +151,7 @@ def init_default_assistants():
                     opener="Hello! I'm your English learning companion. How can I help you today?",
                     prompt="You are a friendly English tutor. Help users practice English conversation and explain grammar points clearly.",
                     language="en",
+                    voice_output_enabled=True,
                     voice="alex",
                     speed=1.0,
                     hotwords=["grammar", "vocabulary", "practice"],