diff --git a/.env.example b/.env.example
index 80a0d0e..8ba6cd3 100644
--- a/.env.example
+++ b/.env.example
@@ -3,5 +3,10 @@ ZHIXING_SERVER_PORT=8000
 ZHIXING_WEB_PORT=5173
 ZHIXING_APP_ENV=development
 ZHIXING_LOG_LEVEL=INFO
+ZHIXING_POSTGRES_DB=zhixing
+ZHIXING_POSTGRES_USER=zhixing
+ZHIXING_POSTGRES_PASSWORD=zhixing
+ZHIXING_DATABASE_URL=postgresql://zhixing:zhixing@postgres:5432/zhixing
+ZHIXING_TUSHARE_TOKEN=
+ZHIXING_MARKET_DATA_CSV_ROOT=/app/data/market-data
 API_UPSTREAM=http://server:8000
-
diff --git a/.trellis/spec/backend/index.md b/.trellis/spec/backend/index.md
index 2a32c4a..7c454cc 100644
--- a/.trellis/spec/backend/index.md
+++ b/.trellis/spec/backend/index.md
@@ -8,6 +8,7 @@
 | --- | --- |
 | [目录与模块边界](./directory-structure.md) | 包结构、bounded context 和导入边界 |
 | [配置与运行时](./configuration-and-runtime.md) | `Settings`、应用工厂和部署环境 |
+| [市场数据同步](./market-data-sync.md) | Tushare qfq、PostgreSQL、CSV 快照和一次性 Job 契约 |
 | [HTTP 契约](./http-api-contracts.md) | 路由组合、响应模型和同源 API 路径 |
 | [错误处理](./error-handling.md) | 当前 FastAPI 错误行为及跨层错误传递 |
 | [质量与测试](./quality-guidelines.md) | Ruff、Pyright、pytest 及禁止模式 |
diff --git a/.trellis/spec/backend/market-data-sync.md b/.trellis/spec/backend/market-data-sync.md
new file mode 100644
index 0000000..a82cb3f
--- /dev/null
+++ b/.trellis/spec/backend/market-data-sync.md
@@ -0,0 +1,79 @@
+# 市场数据同步代码规格
+
+## Scenario: Tushare qfq 日线与每日指标一次性同步
+
+### 1. Scope / Trigger
+
+- 触发：新增 `modules/market_data` bounded context、Alembic PostgreSQL schema、Tushare/CSV/Compose Job 集成。
+- 目标：外部调度器每次启动一个进程，向 PostgreSQL 写入当前沪深非 ST A 股的六年 qfq 日线和按交易日归属的 `daily_basic`，并发布可恢复 CSV。
+- 边界：FastAPI 生命周期不启动定时器；本上下文不实现具体选股策略、分钟行情或退市成员资格回溯。
+
+### 2. Signatures
+
+- 应用用例：`SyncMarketData.execute(command: SyncMarketDataCommand | None = None) -> SyncBatchSummary`。
+- CLI：`market-data-sync [--initialize | --retry-batch-id <id>] [--trade-date YYYY-MM-DD]`。
+- 数据源端口：`fetch_stocks()`、`fetch_open_dates(start, end)`、`fetch_bars(ts_code, window)`、`fetch_daily_basic(trade_date)`。
+- 数据库事实表：`market_stock`、`market_daily_bar(ts_code, trade_date)`、`market_daily_basic(ts_code, trade_date)`；同步审计表：`market_sync_batch`、`market_sync_item`。
+
+### 3. Contracts
+
+- 配置入口只允许 `bootstrap.config.Settings` 读取环境变量：
+  - `ZHIXING_DATABASE_URL`
+  - `ZHIXING_TUSHARE_TOKEN`
+  - `ZHIXING_MARKET_DATA_CSV_ROOT`
+  - `ZHIXING_MARKET_DATA_COVERAGE_THRESHOLD`，默认 `0.99`
+  - `ZHIXING_MARKET_DATA_MAX_RETRIES`、`ZHIXING_MARKET_DATA_RETRY_BACKOFF_SECONDS`、`ZHIXING_MARKET_DATA_REQUEST_INTERVAL_SECONDS`
+  - `ZHIXING_MARKET_DATA_ADVISORY_LOCK_KEY`
+- 股票 qfq 快照路径为 `bars/<ts_code>.csv`；每日指标路径为 `daily-basic/<YYYY>/<YYYYMMDD>.csv`；当前股票主数据为 `stock-basic/current.csv`。
+- `market_daily_bar` 的唯一键是 `(ts_code, trade_date)`，`source_adj` 必须是 `qfq`；所有价格、金额和比率使用有限 `NUMERIC`/`Decimal`。
+- `SyncBatchSummary` 至少返回 `batch_id`、目标交易日、窗口、状态、目标数、有效数、覆盖率、策略资格、插入数、更新数、未变化数和失败列表。
+- 退出码：`0` 表示覆盖率达标的成功批次；`2` 表示部分成功或覆盖率不足；`1` 表示失败或没有可用成功结果。
+- 单股票流程必须保持“临时 CSV → 指纹比较 → PostgreSQL 事务 → `os.replace` 发布”顺序；数据库异常不得替换正式 CSV。
+
+### 4. Validation & Error Matrix
+
+| 条件 | 行为 |
+| --- | --- |
+| 非 `SH`/`SZ`、非上市、ST/退市名称或北交所股票 | 从当前目标股票池排除 |
+| 指定日期不是交易日 | 批次准备失败，不发起行情写入 |
+| qfq 快照重复键、空快照、OHLC 非法 | 当前股票 item 失败，旧 CSV 和旧库行保持不变 |
+| 重叠区间指纹相同 | 只批量插入旧上界之后的新交易日 |
+| 重叠行字段变化、缺失或快照开始边界异常变化 | 当前股票执行六年窗口集合式 upsert/删除 |
+| `daily_basic` 没有目标股票行 | 当前指标日期 item 失败，不发布空正式快照 |
+| PostgreSQL/COPY/迁移异常 | 转换为安全的 repository error；成功对象不回滚，失败对象保留旧发布版本 |
+| 同一环境已有同步锁 | 返回 `failed` 和退出码 `1`，不执行第二个批次 |
+| `valid / target < coverage_threshold` | 不触发选股，批次显式标记 `strategy_eligible=false` |
+
+### 5. Good/Base/Bad Cases
+
+- Good：相同六年 qfq 返回重复执行，指纹相同，数据库无无意义 update，正式 CSV 可原子替换，覆盖率为 `1`。
+- Base：新增一个开市日且历史重叠不变，只 COPY 新日期；批次成功后清理窗口起点之前的数据库行和日期文件。
+- Bad：一只股票历史 qfq 行变化或数据库事务失败，只修复/失败该股票；其他股票成功结果保留，失败对象正式 CSV 不被替换。
+
+### 6. Tests Required
+
+- 领域单元测试：六年窗口边界、输入顺序稳定性、历史值变化、重叠缺行、窗口提前、ST/北交所过滤；断言 `SnapshotChange` 和股票代码集合。
+- CSV 单元测试：固定表头、临时文件、原子发布、异常/丢弃后旧正式文件仍可读；断言正式文件内容和临时文件清理。
+- 同步编排测试：`success`、覆盖率、幂等重跑、空指标失败、部分失败和失败 item 重试；断言 batch/item 状态与退出码。
+- PostgreSQL 集成测试：设置 `ZHIXING_TEST_DATABASE_URL` 后运行 Alembic upgrade，断言五张业务/审计表、唯一键和迁移头；批量 upsert 测试断言 insert/update/unchanged 计数和事务回滚。
+- 质量门禁：`uv lock --check`、后端 Ruff/Pyright/pytest、前端/root `./dev.sh check` 与 `./dev.sh test`、四种 Compose config。
+
+### 7. Wrong vs Correct
+
+#### Wrong
+
+```python
+# 把最新总市值写入六年前每一根 K 线，产生前视偏差。
+for bar in bars:
+    bar.total_mv = latest_total_mv
+```
+
+#### Correct
+
+```python
+# 行情和估值按各自交易日保存；策略只使用同一目标日的两类事实。
+market_daily_bar[(ts_code, trade_date)] = bar
+market_daily_basic[(ts_code, trade_date)] = daily_basic
+```
+
+> **Warning**：CSV 发布不是数据库事务的一部分。只有数据库事务成功后才能执行原子 `os.replace`；发布失败必须记录为 item 失败并依靠幂等重试恢复。
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 9c72dd4..4511dc2 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -1,18 +1,39 @@
 name: ${COMPOSE_PROJECT_NAME:-zhixing-system-dev}
 
 services:
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_DB: ${ZHIXING_POSTGRES_DB:-zhixing}
+      POSTGRES_PASSWORD: ${ZHIXING_POSTGRES_PASSWORD:-zhixing}
+      POSTGRES_USER: ${ZHIXING_POSTGRES_USER:-zhixing}
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 5s
+      timeout: 3s
+      retries: 10
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+
   server:
     build:
       context: ./zhixing-server
       target: development
+    depends_on:
+      postgres:
+        condition: service_healthy
     environment:
       ZHIXING_APP_ENV: ${ZHIXING_APP_ENV:-development}
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
       ZHIXING_LOG_LEVEL: ${ZHIXING_LOG_LEVEL:-INFO}
+      ZHIXING_MARKET_DATA_CSV_ROOT: /app/data/market-data
+      ZHIXING_TUSHARE_TOKEN: ${ZHIXING_TUSHARE_TOKEN:-}
     init: true
     ports:
       - "${ZHIXING_SERVER_PORT:-8000}:8000"
     volumes:
       - ./zhixing-server:/app
+      - market-data:/app/data/market-data
       - server-venv:/app/.venv
     healthcheck:
       test:
@@ -41,7 +62,41 @@ services:
       - ./zhixing-web:/app
       - web-node-modules:/app/node_modules
 
+  migrate:
+    profiles: ["jobs"]
+    build:
+      context: ./zhixing-server
+      target: development
+    command: ["alembic", "upgrade", "head"]
+    depends_on:
+      postgres:
+        condition: service_healthy
+    environment:
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
+    volumes:
+      - ./zhixing-server:/app
+      - server-venv:/app/.venv
+
+  market-sync:
+    profiles: ["jobs"]
+    build:
+      context: ./zhixing-server
+      target: development
+    command: ["market-data-sync"]
+    depends_on:
+      migrate:
+        condition: service_completed_successfully
+    environment:
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
+      ZHIXING_MARKET_DATA_CSV_ROOT: /app/data/market-data
+      ZHIXING_TUSHARE_TOKEN: ${ZHIXING_TUSHARE_TOKEN:-}
+    volumes:
+      - ./zhixing-server:/app
+      - market-data:/app/data/market-data
+      - server-venv:/app/.venv
+
 volumes:
+  market-data:
+  postgres-data:
   server-venv:
   web-node-modules:
-
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 0f03240..372e815 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -1,14 +1,35 @@
 name: ${COMPOSE_PROJECT_NAME:-zhixing-system}
 
 services:
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${ZHIXING_POSTGRES_DB:-zhixing}
+      POSTGRES_PASSWORD: ${ZHIXING_POSTGRES_PASSWORD:-zhixing}
+      POSTGRES_USER: ${ZHIXING_POSTGRES_USER:-zhixing}
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+
   server:
     build:
       context: ./zhixing-server
       target: production
+    depends_on:
+      postgres:
+        condition: service_healthy
     restart: unless-stopped
     environment:
       ZHIXING_APP_ENV: production
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
       ZHIXING_LOG_LEVEL: ${ZHIXING_LOG_LEVEL:-INFO}
+      ZHIXING_MARKET_DATA_CSV_ROOT: /app/data/market-data
+      ZHIXING_TUSHARE_TOKEN: ${ZHIXING_TUSHARE_TOKEN:-}
     init: true
     expose:
       - "8000"
@@ -22,6 +43,8 @@ services:
       timeout: 5s
       retries: 3
       start_period: 10s
+    volumes:
+      - market-data:/app/data/market-data
 
   web:
     build:
@@ -36,3 +59,35 @@ services:
     init: true
     ports:
       - "127.0.0.1:${ZHIXING_WEB_PORT:-8111}:80"
+
+  migrate:
+    profiles: ["jobs"]
+    build:
+      context: ./zhixing-server
+      target: production
+    command: ["alembic", "upgrade", "head"]
+    depends_on:
+      postgres:
+        condition: service_healthy
+    environment:
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
+
+  market-sync:
+    profiles: ["jobs"]
+    build:
+      context: ./zhixing-server
+      target: production
+    command: ["market-data-sync"]
+    depends_on:
+      migrate:
+        condition: service_completed_successfully
+    environment:
+      ZHIXING_DATABASE_URL: ${ZHIXING_DATABASE_URL:-postgresql://zhixing:zhixing@postgres:5432/zhixing}
+      ZHIXING_MARKET_DATA_CSV_ROOT: /app/data/market-data
+      ZHIXING_TUSHARE_TOKEN: ${ZHIXING_TUSHARE_TOKEN:-}
+    volumes:
+      - market-data:/app/data/market-data
+
+volumes:
+  market-data:
+  postgres-data:
diff --git a/docs/market-data-sync.md b/docs/market-data-sync.md
new file mode 100644
index 0000000..efde67a
--- /dev/null
+++ b/docs/market-data-sync.md
@@ -0,0 +1,53 @@
+# 市场数据同步 Job
+
+`market-data-sync` 是外部调度器触发的一次性任务。FastAPI 进程不包含定时器；PostgreSQL 是策略查询事实源，`market-data` 卷中的 CSV 只作为 qfq 落地快照和恢复介质。
+
+## 首次部署
+
+先准备 `.env`，至少设置 `ZHIXING_TUSHARE_TOKEN`、PostgreSQL 凭据和 `ZHIXING_DATABASE_URL`，然后执行迁移：
+
+```bash
+docker compose -f docker-compose.prod.yml --profile jobs run --rm migrate
+```
+
+首次初始化会回补六年交易日指标，并为当前沪深非 ST A 股获取六年 qfq 行情：
+
+```bash
+docker compose -f docker-compose.prod.yml --profile jobs run --rm market-sync --initialize
+```
+
+日常收盘后同步默认解析最近的开市日；也可以显式指定日期：
+
+```bash
+docker compose -f docker-compose.prod.yml --profile jobs run --rm market-sync --trade-date 2026-08-05
+```
+
+`success` 返回 0；覆盖率低于配置阈值或出现部分失败返回 2；没有可用成功结果或基础设施失败返回 1。CLI 输出不包含 Tushare token 或数据库密码。
+
+## Cron 与重试
+
+宿主机 cron 只负责启动临时容器，不写入容器内部的 crontab。下面的示例每天工作日 18:00 触发；交易日历、唯一约束和 PostgreSQL advisory lock 使周末、节假日、重复触发和重叠触发保持安全：
+
+```cron
+0 18 * * 1-5 cd /srv/zhixing-system && docker compose -f docker-compose.prod.yml --profile jobs run --rm market-sync >> /var/log/zhixing-market-sync.log 2>&1
+```
+
+部分成功批次的输出会包含 `batch_id`。修复凭据、网络或数据库问题后，只重试该批次失败的股票和指标日期：
+
+```bash
+docker compose -f docker-compose.prod.yml --profile jobs run --rm market-sync \
+  --retry-batch-id <batch-id>
+```
+
+单只股票按数据库事务和 CSV 发布作为恢复边界。数据库提交失败时正式 CSV 不会替换；CSV 发布失败时数据库写入保持幂等，重试可以再次发布。成功批次完成后，数据库事实表和正式日期快照清理六年窗口起点以前的数据；失败对象保留上一次成功版本。
+
+## 本地检查
+
+```bash
+docker compose -f docker-compose.dev.yml config
+docker compose -f docker-compose.dev.yml --profile jobs config
+docker compose -f docker-compose.prod.yml config
+docker compose -f docker-compose.prod.yml --profile jobs config
+```
+
+真实 PostgreSQL 迁移和批量 upsert 集成测试使用 `ZHIXING_TEST_DATABASE_URL` 显式开启；普通单元测试不会访问网络、Tushare 或数据库。
diff --git a/zhixing-server/Dockerfile b/zhixing-server/Dockerfile
index b014685..8593aae 100644
--- a/zhixing-server/Dockerfile
+++ b/zhixing-server/Dockerfile
@@ -25,6 +25,8 @@ COPY pyproject.toml uv.lock ./
 RUN uv sync --frozen --no-dev --no-install-project
 COPY README.md ./
 COPY src ./src
+COPY alembic.ini ./
+COPY migrations ./migrations
 RUN uv sync --frozen --no-dev
 
 RUN useradd --create-home --uid 10001 appuser
diff --git a/zhixing-server/alembic.ini b/zhixing-server/alembic.ini
new file mode 100644
index 0000000..6dde0bb
--- /dev/null
+++ b/zhixing-server/alembic.ini
@@ -0,0 +1,37 @@
+[alembic]
+script_location = migrations
+prepend_sys_path = .
+sqlalchemy.url = postgresql://unused
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/zhixing-server/migrations/__init__.py b/zhixing-server/migrations/__init__.py
new file mode 100644
index 0000000..9eb2c04
--- /dev/null
+++ b/zhixing-server/migrations/__init__.py
@@ -0,0 +1 @@
+"""Alembic migration package for Zhixing Server."""
diff --git a/zhixing-server/migrations/env.py b/zhixing-server/migrations/env.py
new file mode 100644
index 0000000..1b36969
--- /dev/null
+++ b/zhixing-server/migrations/env.py
@@ -0,0 +1,51 @@
+"""Alembic environment using the server's single Settings entry point."""
+
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+from zhixing_server.bootstrap.config import get_settings
+from zhixing_server.modules.market_data.infrastructure.schema import metadata
+
+config = context.config
+settings = get_settings()
+config.set_main_option("sqlalchemy.url", settings.database_url.replace("%", "%%"))
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations without opening a database connection."""
+
+    context.configure(
+        url=settings.database_url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        compare_type=True,
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations against the configured PostgreSQL connection."""
+
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata, compare_type=True)
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/zhixing-server/migrations/versions/0001_market_data.py b/zhixing-server/migrations/versions/0001_market_data.py
new file mode 100644
index 0000000..7020607
--- /dev/null
+++ b/zhixing-server/migrations/versions/0001_market_data.py
@@ -0,0 +1,140 @@
+"""Create the market-data bounded-context schema."""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "0001_market_data"
+down_revision: str | None = None
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Create market master, facts, and auditable synchronization tables."""
+
+    op.create_table(
+        "market_stock",
+        sa.Column("ts_code", sa.String(12), primary_key=True),
+        sa.Column("name", sa.String(128), nullable=False),
+        sa.Column("market", sa.String(32), nullable=False),
+        sa.Column("exchange", sa.String(16), nullable=False),
+        sa.Column("list_status", sa.String(2), nullable=False),
+        sa.Column("list_date", sa.Date()),
+        sa.Column("is_active", sa.Boolean(), nullable=False, server_default=sa.text("true")),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            nullable=False,
+            server_default=sa.text("now()"),
+        ),
+    )
+    op.create_table(
+        "market_daily_bar",
+        sa.Column("ts_code", sa.String(12), nullable=False),
+        sa.Column("trade_date", sa.Date(), nullable=False),
+        *[
+            sa.Column(field, sa.Numeric(20, 6))
+            for field in ("open", "high", "low", "close", "pre_close", "change", "pct_chg")
+        ],
+        sa.Column("vol", sa.Numeric(24, 6)),
+        sa.Column("amount", sa.Numeric(24, 6)),
+        sa.Column("source_adj", sa.String(8), nullable=False, server_default="qfq"),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            nullable=False,
+            server_default=sa.text("now()"),
+        ),
+        sa.PrimaryKeyConstraint("ts_code", "trade_date"),
+    )
+    op.create_index("ix_market_daily_bar_trade_date", "market_daily_bar", ["trade_date"])
+    op.create_table(
+        "market_daily_basic",
+        sa.Column("ts_code", sa.String(12), nullable=False),
+        sa.Column("trade_date", sa.Date(), nullable=False),
+        *[
+            sa.Column(field, sa.Numeric(24, 6))
+            for field in (
+                "close",
+                "turnover_rate",
+                "turnover_rate_f",
+                "volume_ratio",
+                "pe",
+                "pe_ttm",
+                "pb",
+                "ps",
+                "ps_ttm",
+                "dv_ratio",
+                "dv_ttm",
+                "total_share",
+                "float_share",
+                "free_share",
+                "total_mv",
+                "circ_mv",
+            )
+        ],
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            nullable=False,
+            server_default=sa.text("now()"),
+        ),
+        sa.PrimaryKeyConstraint("ts_code", "trade_date"),
+    )
+    op.create_index("ix_market_daily_basic_trade_date", "market_daily_basic", ["trade_date"])
+    op.create_table(
+        "market_sync_batch",
+        sa.Column("id", sa.String(36), primary_key=True),
+        sa.Column("target_trade_date", sa.Date(), nullable=False),
+        sa.Column("window_start", sa.Date(), nullable=False),
+        sa.Column("mode", sa.String(16), nullable=False),
+        sa.Column("status", sa.String(24), nullable=False),
+        sa.Column("target_count", sa.Integer(), nullable=False),
+        sa.Column("valid_count", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("coverage", sa.Numeric(8, 6), nullable=False, server_default="0"),
+        sa.Column("strategy_eligible", sa.Boolean(), nullable=False, server_default="false"),
+        sa.Column("parent_batch_id", sa.String(36)),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            nullable=False,
+            server_default=sa.text("now()"),
+        ),
+        sa.Column("finished_at", sa.DateTime(timezone=True)),
+    )
+    op.create_table(
+        "market_sync_item",
+        sa.Column("batch_id", sa.String(36), nullable=False),
+        sa.Column("item_kind", sa.String(24), nullable=False),
+        sa.Column("item_key", sa.String(64), nullable=False),
+        sa.Column("status", sa.String(24), nullable=False),
+        sa.Column("inserted_count", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("updated_count", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("unchanged_count", sa.Integer(), nullable=False, server_default="0"),
+        sa.Column("fingerprint", sa.String(64)),
+        sa.Column("error_type", sa.String(64)),
+        sa.Column("error_message", sa.Text()),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            nullable=False,
+            server_default=sa.text("now()"),
+        ),
+        sa.PrimaryKeyConstraint("batch_id", "item_kind", "item_key"),
+    )
+    op.create_index("ix_market_sync_item_status", "market_sync_item", ["batch_id", "status"])
+
+
+def downgrade() -> None:
+    """Drop market-data tables in dependency-safe order."""
+
+    op.drop_index("ix_market_sync_item_status", table_name="market_sync_item")
+    op.drop_table("market_sync_item")
+    op.drop_table("market_sync_batch")
+    op.drop_index("ix_market_daily_basic_trade_date", table_name="market_daily_basic")
+    op.drop_table("market_daily_basic")
+    op.drop_index("ix_market_daily_bar_trade_date", table_name="market_daily_bar")
+    op.drop_table("market_daily_bar")
+    op.drop_table("market_stock")
diff --git a/zhixing-server/pyproject.toml b/zhixing-server/pyproject.toml
index 0d7c606..8df7d40 100644
--- a/zhixing-server/pyproject.toml
+++ b/zhixing-server/pyproject.toml
@@ -5,8 +5,12 @@ description = "FastAPI backend and quantitative processing foundation for Zhixin
 readme = "README.md"
 requires-python = ">=3.12,<3.13"
 dependencies = [
+    "alembic>=1.18.0",
     "fastapi>=0.141.1",
+    "psycopg[binary]>=3.3.2",
     "pydantic-settings>=2.14.2",
+    "sqlalchemy>=2.0.46",
+    "tushare>=1.4.24",
     "uvicorn[standard]>=0.52.1",
 ]
 
@@ -26,13 +30,18 @@ build-backend = "hatchling.build"
 [tool.hatch.build.targets.wheel]
 packages = ["src/zhixing_server"]
 
+[project.scripts]
+market-data-sync = "zhixing_server.modules.market_data.presentation.cli:main"
+
 [tool.pytest.ini_options]
 addopts = "-ra --strict-config --strict-markers"
 pythonpath = ["src"]
 testpaths = ["tests"]
+markers = ["integration: requires a PostgreSQL test database"]
 
 [tool.pyright]
 include = ["src", "tests"]
+extraPaths = ["src"]
 pythonVersion = "3.12"
 typeCheckingMode = "strict"
 venvPath = "."
@@ -47,4 +56,3 @@ select = ["B", "E", "F", "I", "SIM", "UP"]
 
 [tool.ruff.format]
 quote-style = "double"
-
diff --git a/zhixing-server/src/zhixing_server/bootstrap/config.py b/zhixing-server/src/zhixing_server/bootstrap/config.py
index 7c44779..527b8ba 100644
--- a/zhixing-server/src/zhixing_server/bootstrap/config.py
+++ b/zhixing-server/src/zhixing_server/bootstrap/config.py
@@ -1,6 +1,8 @@
 """Environment-backed application configuration."""
 
+from decimal import Decimal
 from functools import lru_cache
+from pathlib import Path
 from typing import Literal
 
 from pydantic_settings import BaseSettings, SettingsConfigDict
@@ -12,6 +14,15 @@ class Settings(BaseSettings):
     app_name: str = "Zhixing Server"
     app_env: Literal["development", "test", "production"] = "development"
     log_level: str = "INFO"
+    database_url: str = "postgresql://zhixing:zhixing@localhost:5432/zhixing"
+    tushare_token: str = ""
+    market_data_csv_root: Path = Path("./data/market-data")
+    market_data_coverage_threshold: Decimal = Decimal("0.99")
+    market_data_max_workers: int = 4
+    market_data_request_interval_seconds: float = 0.2
+    market_data_max_retries: int = 3
+    market_data_retry_backoff_seconds: float = 1.0
+    market_data_advisory_lock_key: int = 7_380_521
 
     model_config = SettingsConfigDict(
         env_file=".env",
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/__init__.py b/zhixing-server/src/zhixing_server/modules/market_data/__init__.py
new file mode 100644
index 0000000..b19368d
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/__init__.py
@@ -0,0 +1,5 @@
+"""Market data bounded context.
+
+The context owns the current A-share universe, daily qfq bars, daily basic
+metrics, and the externally-triggered synchronization use case.
+"""
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/application/__init__.py b/zhixing-server/src/zhixing_server/modules/market_data/application/__init__.py
new file mode 100644
index 0000000..924b661
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/application/__init__.py
@@ -0,0 +1,5 @@
+"""Market data synchronization use cases."""
+
+from .sync import SyncBatchSummary, SyncMarketData, SyncMarketDataCommand
+
+__all__ = ["SyncBatchSummary", "SyncMarketData", "SyncMarketDataCommand"]
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/application/sync.py b/zhixing-server/src/zhixing_server/modules/market_data/application/sync.py
new file mode 100644
index 0000000..c143a18
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/application/sync.py
@@ -0,0 +1,403 @@
+"""One-shot market data synchronization orchestration."""
+
+from __future__ import annotations
+
+from collections.abc import Iterable, Sequence
+from dataclasses import dataclass, field
+from datetime import date, timedelta
+from decimal import Decimal
+from typing import Literal
+
+from ..domain.fingerprint import SnapshotChange, compare_snapshots
+from ..domain.models import Bar, Stock, SyncWindow
+from ..domain.ports import MarketDataRepository, MarketDataSource, SnapshotStore, WriteResult
+from ..domain.rules import filter_current_hs_a_stocks
+
+SyncMode = Literal["daily", "initialize", "retry"]
+
+
+@dataclass(frozen=True, slots=True)
+class SyncMarketDataCommand:
+    """Input for a daily, initial, or failed-item retry synchronization."""
+
+    mode: SyncMode = "daily"
+    target_trade_date: date | None = None
+    parent_batch_id: str | None = None
+
+
+@dataclass(frozen=True, slots=True)
+class SyncFailure:
+    """A redacted, actionable item failure."""
+
+    item_kind: str
+    item_key: str
+    error_type: str
+    message: str
+
+
+@dataclass(frozen=True, slots=True)
+class SyncBatchSummary:
+    """Stable output contract for CLI, cron, and later strategy callers."""
+
+    batch_id: str | None
+    target_trade_date: date | None
+    window: SyncWindow | None
+    status: str
+    target_count: int
+    valid_count: int
+    coverage: Decimal
+    strategy_eligible: bool
+    inserted_count: int = 0
+    updated_count: int = 0
+    unchanged_count: int = 0
+    failures: tuple[SyncFailure, ...] = field(default_factory=tuple)
+
+    @property
+    def exit_code(self) -> int:
+        """Return a cron-friendly code: success, incomplete, or infrastructure failure."""
+
+        if self.status == "failed":
+            return 1
+        return 0 if self.strategy_eligible else 2
+
+    def as_dict(self) -> dict[str, object]:
+        """Serialize the summary without credentials or raw vendor responses."""
+
+        return {
+            "batch_id": self.batch_id,
+            "target_trade_date": self.target_trade_date.isoformat()
+            if self.target_trade_date
+            else None,
+            "window_start": self.window.start.isoformat() if self.window else None,
+            "window_end": self.window.end.isoformat() if self.window else None,
+            "status": self.status,
+            "target_count": self.target_count,
+            "valid_count": self.valid_count,
+            "coverage": str(self.coverage),
+            "strategy_eligible": self.strategy_eligible,
+            "inserted_count": self.inserted_count,
+            "updated_count": self.updated_count,
+            "unchanged_count": self.unchanged_count,
+            "failures": [
+                {
+                    "item_kind": failure.item_kind,
+                    "item_key": failure.item_key,
+                    "error_type": failure.error_type,
+                    "message": failure.message,
+                }
+                for failure in self.failures
+            ],
+        }
+
+
+class SyncMarketData:
+    """Coordinate source, snapshot, and repository ports at item boundaries."""
+
+    def __init__(
+        self,
+        source: MarketDataSource,
+        snapshots: SnapshotStore,
+        repository: MarketDataRepository,
+        *,
+        coverage_threshold: Decimal = Decimal("0.99"),
+        lock_key: int = 7_380_521,
+        today: date | None = None,
+    ) -> None:
+        if not Decimal("0") <= coverage_threshold <= Decimal("1"):
+            raise ValueError("coverage_threshold must be between 0 and 1")
+        self.source = source
+        self.snapshots = snapshots
+        self.repository = repository
+        self.coverage_threshold = coverage_threshold
+        self.lock_key = lock_key
+        self.today = today or date.today()
+
+    def execute(self, command: SyncMarketDataCommand | None = None) -> SyncBatchSummary:
+        """Run one synchronization and retain successful items on partial failure."""
+
+        command = command or SyncMarketDataCommand()
+        with self.repository.advisory_lock(self.lock_key) as acquired:
+            if not acquired:
+                return SyncBatchSummary(
+                    batch_id=None,
+                    target_trade_date=None,
+                    window=None,
+                    status="failed",
+                    target_count=0,
+                    valid_count=0,
+                    coverage=Decimal("0"),
+                    strategy_eligible=False,
+                    failures=(
+                        SyncFailure("batch", "lock", "sync_locked", "another sync is running"),
+                    ),
+                )
+            return self._execute_locked(command)
+
+    def _execute_locked(self, command: SyncMarketDataCommand) -> SyncBatchSummary:
+        target_trade_date = self._resolve_target(command.target_trade_date)
+        window = SyncWindow.from_target(target_trade_date)
+        all_stocks = filter_current_hs_a_stocks(self.source.fetch_stocks())
+        if not all_stocks:
+            return SyncBatchSummary(
+                None,
+                target_trade_date,
+                window,
+                "failed",
+                0,
+                0,
+                Decimal("0"),
+                False,
+                failures=(
+                    SyncFailure("stock", "universe", "empty_universe", "no eligible stocks"),
+                ),
+            )
+        batch_id = self.repository.create_batch(
+            target_trade_date,
+            window,
+            command.mode,
+            command.parent_batch_id,
+            len(all_stocks),
+        )
+        failures: list[SyncFailure] = []
+        totals = [0, 0, 0]
+        stock_codes = {stock.ts_code for stock in all_stocks}
+        retry_items: set[tuple[str, str]] = (
+            self._retry_items(command.parent_batch_id) if command.mode == "retry" else set()
+        )
+
+        self._process_stock_master(batch_id, all_stocks, failures, totals)
+        dates = self._dates_to_process(window, target_trade_date, command.mode, retry_items)
+        for trade_date in dates:
+            if (
+                command.mode == "retry"
+                and ("daily_basic", trade_date.isoformat()) not in retry_items
+            ):
+                continue
+            self._process_daily_basic(batch_id, trade_date, stock_codes, window, failures, totals)
+        for stock in all_stocks:
+            if command.mode == "retry" and ("bar", stock.ts_code) not in retry_items:
+                continue
+            self._process_bar(batch_id, stock, window, failures, totals)
+
+        if not failures:
+            try:
+                self.repository.purge_before(window)
+                self.snapshots.clean_daily_basic_before(window.start)
+            except (OSError, RuntimeError, TypeError, ValueError) as exc:
+                failure = self._failure("batch", "retention", exc)
+                failures.append(failure)
+                self.repository.record_item(
+                    batch_id,
+                    "batch",
+                    "retention",
+                    "failed",
+                    WriteResult(),
+                    error_type=failure.error_type,
+                    error_message=failure.message,
+                )
+        valid_count = sum(
+            1
+            for stock in all_stocks
+            if self.repository.has_bar(stock.ts_code, target_trade_date)
+            and self.repository.has_daily_basic(stock.ts_code, target_trade_date)
+        )
+        coverage = Decimal(valid_count) / Decimal(len(all_stocks))
+        status = "success" if not failures else "partial_success" if valid_count else "failed"
+        eligible = coverage >= self.coverage_threshold
+        self.repository.record_batch(batch_id, status, valid_count, coverage, eligible)
+        return SyncBatchSummary(
+            batch_id,
+            target_trade_date,
+            window,
+            status,
+            len(all_stocks),
+            valid_count,
+            coverage,
+            eligible,
+            totals[0],
+            totals[1],
+            totals[2],
+            tuple(failures),
+        )
+
+    def _resolve_target(self, requested: date | None) -> date:
+        if requested is not None:
+            open_dates = self.source.fetch_open_dates(requested, requested)
+            if requested not in open_dates:
+                raise ValueError(f"target date is not an open trading day: {requested}")
+            return requested
+        start = self.today - timedelta(days=14)
+        open_dates = self.source.fetch_open_dates(start, self.today)
+        if not open_dates:
+            raise ValueError("no open trading day found before today")
+        return max(open_dates)
+
+    def _dates_to_process(
+        self,
+        window: SyncWindow,
+        target: date,
+        mode: SyncMode,
+        retry_items: set[tuple[str, str]],
+    ) -> tuple[date, ...]:
+        if mode == "initialize":
+            dates = self.source.fetch_open_dates(window.start, target)
+            return tuple(sorted(set(dates)))
+        if mode == "retry":
+            return tuple(
+                sorted(
+                    date.fromisoformat(key) for kind, key in retry_items if kind == "daily_basic"
+                )
+            )
+        return (target,)
+
+    def _retry_items(self, parent_batch_id: str | None) -> set[tuple[str, str]]:
+        if not parent_batch_id:
+            raise ValueError("retry mode requires parent_batch_id")
+        return set(self.repository.failed_items(parent_batch_id))
+
+    def _process_stock_master(
+        self,
+        batch_id: str,
+        stocks: Sequence[Stock],
+        failures: list[SyncFailure],
+        totals: list[int],
+    ) -> None:
+        staged = None
+        try:
+            staged = self.snapshots.stage_stocks(stocks)
+            result = self.repository.upsert_stocks(stocks)
+            self.snapshots.publish(staged)
+            totals[0] += result.inserted
+            totals[1] += result.updated
+            totals[2] += result.unchanged
+            self.repository.record_item(
+                batch_id,
+                "stock",
+                "current",
+                "success",
+                result,
+                staged.fingerprint,
+            )
+        except (OSError, RuntimeError, TypeError, ValueError) as exc:
+            if staged is not None:
+                self.snapshots.discard(staged)
+            failure = self._failure("stock", "current", exc)
+            failures.append(failure)
+            self.repository.record_item(
+                batch_id,
+                "stock",
+                "current",
+                "failed",
+                WriteResult(),
+                error_type=failure.error_type,
+                error_message=failure.message,
+            )
+
+    def _process_daily_basic(
+        self,
+        batch_id: str,
+        trade_date: date,
+        stock_codes: set[str],
+        window: SyncWindow,
+        failures: list[SyncFailure],
+        totals: list[int],
+    ) -> None:
+        staged = None
+        key = trade_date.isoformat()
+        try:
+            rows = tuple(
+                row
+                for row in self.source.fetch_daily_basic(trade_date)
+                if row.ts_code in stock_codes
+            )
+            if not rows:
+                raise ValueError(f"daily-basic returned no target rows for {trade_date}")
+            staged = self.snapshots.stage_daily_basic(trade_date, rows)
+            result = self.repository.upsert_daily_basic(rows, window)
+            self.snapshots.publish(staged)
+            self._add_counts(totals, result)
+            self.repository.record_item(
+                batch_id,
+                "daily_basic",
+                key,
+                "success",
+                result,
+                staged.fingerprint,
+            )
+        except (OSError, RuntimeError, TypeError, ValueError) as exc:
+            if staged is not None:
+                self.snapshots.discard(staged)
+            failure = self._failure("daily_basic", key, exc)
+            failures.append(failure)
+            self.repository.record_item(
+                batch_id,
+                "daily_basic",
+                key,
+                "failed",
+                WriteResult(),
+                error_type=failure.error_type,
+                error_message=failure.message,
+            )
+
+    def _process_bar(
+        self,
+        batch_id: str,
+        stock: Stock,
+        window: SyncWindow,
+        failures: list[SyncFailure],
+        totals: list[int],
+    ) -> None:
+        staged = None
+        try:
+            rows = tuple(self.source.fetch_bars(stock.ts_code, window))
+            old_rows = self.snapshots.read_bars(stock.ts_code)
+            comparison = compare_snapshots(old_rows, rows)
+            staged = self.snapshots.stage_bars(stock.ts_code, rows)
+            if comparison.change is SnapshotChange.UNCHANGED:
+                result = WriteResult(unchanged=len(rows))
+            else:
+                to_write: Iterable[Bar] = rows
+                if comparison.change is SnapshotChange.NEW_DATES:
+                    old_end = max((row.trade_date for row in old_rows or ()), default=window.start)
+                    to_write = tuple(row for row in rows if row.trade_date > old_end)
+                result = self.repository.upsert_bars(
+                    to_write,
+                    window,
+                    full_snapshot=comparison.change
+                    in {SnapshotChange.INITIAL, SnapshotChange.CHANGED},
+                )
+            self.snapshots.publish(staged)
+            self._add_counts(totals, result)
+            self.repository.record_item(
+                batch_id,
+                "bar",
+                stock.ts_code,
+                "success",
+                result,
+                staged.fingerprint,
+            )
+        except (OSError, RuntimeError, TypeError, ValueError) as exc:
+            if staged is not None:
+                self.snapshots.discard(staged)
+            failure = self._failure("bar", stock.ts_code, exc)
+            failures.append(failure)
+            self.repository.record_item(
+                batch_id,
+                "bar",
+                stock.ts_code,
+                "failed",
+                WriteResult(),
+                error_type=failure.error_type,
+                error_message=failure.message,
+            )
+
+    @staticmethod
+    def _add_counts(totals: list[int], result: WriteResult) -> None:
+        totals[0] += result.inserted
+        totals[1] += result.updated
+        totals[2] += result.unchanged
+
+    @staticmethod
+    def _failure(item_kind: str, item_key: str, error: BaseException) -> SyncFailure:
+        message = " ".join(str(error).split())[:500] or "synchronization item failed"
+        return SyncFailure(item_kind, item_key, type(error).__name__, message)
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/__init__.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/__init__.py
new file mode 100644
index 0000000..b405f83
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/__init__.py
@@ -0,0 +1,18 @@
+"""Pure market data domain types and ports."""
+
+from .fingerprint import SnapshotChange, SnapshotComparison, compare_snapshots, snapshot_fingerprint
+from .models import Bar, DailyBasic, Stock, SyncWindow
+from .rules import filter_current_hs_a_stocks, is_current_hs_a_stock
+
+__all__ = [
+    "Bar",
+    "DailyBasic",
+    "SnapshotChange",
+    "SnapshotComparison",
+    "Stock",
+    "SyncWindow",
+    "compare_snapshots",
+    "filter_current_hs_a_stocks",
+    "is_current_hs_a_stock",
+    "snapshot_fingerprint",
+]
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/fingerprint.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/fingerprint.py
new file mode 100644
index 0000000..cb88ed5
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/fingerprint.py
@@ -0,0 +1,150 @@
+"""Stable qfq snapshot fingerprinting and change classification."""
+
+from __future__ import annotations
+
+from collections.abc import Iterable
+from dataclasses import dataclass
+from datetime import date
+from enum import StrEnum
+from hashlib import sha256
+
+from .models import Bar, decimal_text
+
+
+class SnapshotChange(StrEnum):
+    """Action required after comparing a previous and current bar snapshot."""
+
+    INITIAL = "initial"
+    UNCHANGED = "unchanged"
+    NEW_DATES = "new_dates"
+    CHANGED = "changed"
+
+
+@dataclass(frozen=True, slots=True)
+class SnapshotComparison:
+    """Result of comparing normalized snapshots for one stock."""
+
+    change: SnapshotChange
+    old_fingerprint: str | None
+    new_fingerprint: str
+    new_dates: tuple[date, ...]
+
+
+FINGERPRINT_FIELDS = (
+    "trade_date",
+    "open",
+    "high",
+    "low",
+    "close",
+    "pre_close",
+    "change",
+    "pct_chg",
+    "vol",
+    "amount",
+)
+
+
+def _validate(rows: Iterable[Bar]) -> tuple[Bar, ...]:
+    """Sort rows and reject duplicate identity keys before hashing or writing."""
+
+    sorted_rows = tuple(sorted(rows, key=lambda row: (row.ts_code, row.trade_date)))
+    seen: set[tuple[str, date]] = set()
+    for row in sorted_rows:
+        key = (row.ts_code, row.trade_date)
+        if not row.ts_code or key in seen:
+            raise ValueError(f"duplicate or empty bar key: {key!r}")
+        seen.add(key)
+        for value in (row.open, row.high, row.low, row.close):
+            if value is not None and value < 0:
+                raise ValueError(f"OHLC values must be non-negative: {key!r}")
+        if row.high is not None and row.low is not None and row.high < row.low:
+            raise ValueError(f"high must not be lower than low: {key!r}")
+    return sorted_rows
+
+
+def _canonical(row: Bar) -> str:
+    values = (
+        row.trade_date.isoformat(),
+        decimal_text(row.open),
+        decimal_text(row.high),
+        decimal_text(row.low),
+        decimal_text(row.close),
+        decimal_text(row.pre_close),
+        decimal_text(row.change),
+        decimal_text(row.pct_chg),
+        decimal_text(row.vol),
+        decimal_text(row.amount),
+    )
+    return ",".join(values)
+
+
+def snapshot_fingerprint(rows: Iterable[Bar]) -> str:
+    """Hash sorted, normalized fixed bar columns, excluding runtime metadata."""
+
+    normalized = _validate(rows)
+    payload = "\n".join(_canonical(row) for row in normalized).encode("utf-8")
+    return sha256(payload).hexdigest()
+
+
+def _overlap_fingerprint(rows: dict[date, Bar], dates: set[date]) -> str:
+    payload = "\n".join(_canonical(rows[day]) for day in sorted(dates)).encode("utf-8")
+    return sha256(payload).hexdigest()
+
+
+def compare_snapshots(
+    old_rows: Iterable[Bar] | None,
+    new_rows: Iterable[Bar],
+) -> SnapshotComparison:
+    """Compare a complete old/new six-year snapshot.
+
+    A shifted rolling start is expected and remains unchanged.  Missing rows
+    or changed values inside the common historical range are repairs, while
+    rows strictly after the old upper bound are ordinary new dates.
+    """
+
+    current = _validate(new_rows)
+    if not current:
+        raise ValueError("a bar snapshot must contain at least one row")
+    new_by_date = {row.trade_date: row for row in current}
+    new_dates = set(new_by_date)
+    new_fingerprint = snapshot_fingerprint(current)
+    if old_rows is None:
+        return SnapshotComparison(
+            SnapshotChange.INITIAL,
+            None,
+            new_fingerprint,
+            tuple(sorted(new_dates)),
+        )
+
+    previous = _validate(old_rows)
+    if not previous:
+        return SnapshotComparison(
+            SnapshotChange.INITIAL,
+            None,
+            new_fingerprint,
+            tuple(sorted(new_dates)),
+        )
+    old_by_date = {row.trade_date: row for row in previous}
+    old_dates = set(old_by_date)
+    overlap_start = max(min(old_dates), min(new_dates))
+    overlap_end = min(max(old_dates), max(new_dates))
+    overlap = {day for day in new_dates if overlap_start <= day <= overlap_end}
+    old_overlap = {day for day in old_dates if overlap_start <= day <= overlap_end}
+    old_fp = _overlap_fingerprint(old_by_date, old_overlap)
+    new_fp = _overlap_fingerprint(new_by_date, overlap)
+
+    starts_earlier = min(new_dates) < min(old_dates)
+    changed = (
+        old_overlap != overlap
+        or old_fp != new_fp
+        or max(new_dates) < max(old_dates)
+        or starts_earlier
+    )
+    if changed:
+        kind = SnapshotChange.CHANGED
+    elif max(new_dates) > max(old_dates):
+        kind = SnapshotChange.NEW_DATES
+    else:
+        kind = SnapshotChange.UNCHANGED
+    additions = tuple(sorted(day for day in new_dates if day > max(old_dates)))
+    return SnapshotComparison(kind, old_fp, new_fp, additions)
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/models.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/models.py
new file mode 100644
index 0000000..7cb38ff
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/models.py
@@ -0,0 +1,199 @@
+"""Market data entities and stable scalar normalization helpers."""
+
+from __future__ import annotations
+
+from collections.abc import Mapping
+from dataclasses import dataclass
+from datetime import date
+from decimal import Decimal, InvalidOperation
+
+
+def parse_date(value: object) -> date:
+    """Parse a Tushare date value without accepting locale-dependent formats."""
+
+    if isinstance(value, date):
+        return value
+    text = str(value).strip()
+    if len(text) == 8 and text.isdigit():
+        return date.fromisoformat(f"{text[:4]}-{text[4:6]}-{text[6:]}")
+    return date.fromisoformat(text[:10])
+
+
+def normalize_decimal(value: object | None) -> Decimal | None:
+    """Convert vendor numbers to finite, text-stable decimals.
+
+    Tushare may return a float, a decimal, a string, or ``None`` depending on
+    the transport.  Decimal constructed from the textual representation keeps
+    those variants from changing snapshot fingerprints.
+    """
+
+    if value is None or str(value).strip() == "":
+        return None
+    try:
+        result = Decimal(str(value).strip())
+    except (InvalidOperation, ValueError) as exc:
+        raise ValueError(f"invalid numeric value: {value!r}") from exc
+    if not result.is_finite():
+        raise ValueError(f"numeric value must be finite: {value!r}")
+    return Decimal(0) if result == 0 else result.normalize()
+
+
+def decimal_text(value: Decimal | None) -> str:
+    """Serialize a decimal in a locale-independent, non-exponent form."""
+
+    if value is None:
+        return ""
+    text = format(value, "f")
+    if "." in text:
+        text = text.rstrip("0").rstrip(".")
+    return text or "0"
+
+
+def _text(row: Mapping[str, object], key: str, default: str = "") -> str:
+    value = row.get(key, default)
+    return default if value is None else str(value).strip()
+
+
+@dataclass(frozen=True, slots=True)
+class Stock:
+    """Current stock master data used to construct the target universe."""
+
+    ts_code: str
+    name: str
+    market: str = ""
+    exchange: str = ""
+    list_status: str = "L"
+    list_date: date | None = None
+
+    @classmethod
+    def from_mapping(cls, row: Mapping[str, object]) -> Stock:
+        """Build a stock from a ``stock_basic`` row."""
+
+        raw_date = row.get("list_date")
+        return cls(
+            ts_code=_text(row, "ts_code"),
+            name=_text(row, "name"),
+            market=_text(row, "market"),
+            exchange=_text(row, "exchange"),
+            list_status=_text(row, "list_status", "L").upper(),
+            list_date=parse_date(raw_date) if raw_date else None,
+        )
+
+
+@dataclass(frozen=True, slots=True)
+class Bar:
+    """One qfq daily OHLCV record."""
+
+    ts_code: str
+    trade_date: date
+    open: Decimal | None = None
+    high: Decimal | None = None
+    low: Decimal | None = None
+    close: Decimal | None = None
+    pre_close: Decimal | None = None
+    change: Decimal | None = None
+    pct_chg: Decimal | None = None
+    vol: Decimal | None = None
+    amount: Decimal | None = None
+
+    @classmethod
+    def from_mapping(cls, row: Mapping[str, object]) -> Bar:
+        """Build a normalized bar from a Tushare ``pro_bar`` row."""
+
+        return cls(
+            ts_code=_text(row, "ts_code"),
+            trade_date=parse_date(row["trade_date"]),
+            open=normalize_decimal(row.get("open")),
+            high=normalize_decimal(row.get("high")),
+            low=normalize_decimal(row.get("low")),
+            close=normalize_decimal(row.get("close")),
+            pre_close=normalize_decimal(row.get("pre_close")),
+            change=normalize_decimal(row.get("change")),
+            pct_chg=normalize_decimal(row.get("pct_chg")),
+            vol=normalize_decimal(row.get("vol")),
+            amount=normalize_decimal(row.get("amount")),
+        )
+
+
+@dataclass(frozen=True, slots=True)
+class DailyBasic:
+    """One trading-day valuation and liquidity snapshot."""
+
+    ts_code: str
+    trade_date: date
+    close: Decimal | None = None
+    turnover_rate: Decimal | None = None
+    turnover_rate_f: Decimal | None = None
+    volume_ratio: Decimal | None = None
+    pe: Decimal | None = None
+    pe_ttm: Decimal | None = None
+    pb: Decimal | None = None
+    ps: Decimal | None = None
+    ps_ttm: Decimal | None = None
+    dv_ratio: Decimal | None = None
+    dv_ttm: Decimal | None = None
+    total_share: Decimal | None = None
+    float_share: Decimal | None = None
+    free_share: Decimal | None = None
+    total_mv: Decimal | None = None
+    circ_mv: Decimal | None = None
+
+    @classmethod
+    def from_mapping(cls, row: Mapping[str, object]) -> DailyBasic:
+        """Build a normalized row from a Tushare ``daily_basic`` response."""
+
+        decimal_fields = (
+            "close",
+            "turnover_rate",
+            "turnover_rate_f",
+            "volume_ratio",
+            "pe",
+            "pe_ttm",
+            "pb",
+            "ps",
+            "ps_ttm",
+            "dv_ratio",
+            "dv_ttm",
+            "total_share",
+            "float_share",
+            "free_share",
+            "total_mv",
+            "circ_mv",
+        )
+        values = {field: normalize_decimal(row.get(field)) for field in decimal_fields}
+        return cls(
+            ts_code=_text(row, "ts_code"),
+            trade_date=parse_date(row["trade_date"]),
+            **values,
+        )
+
+
+@dataclass(frozen=True, slots=True)
+class SyncWindow:
+    """Inclusive rolling window used by both the database and CSV retention."""
+
+    start: date
+    end: date
+
+    @classmethod
+    def from_target(cls, target_trade_date: date, years: int = 6) -> SyncWindow:
+        """Return a six-calendar-year window including the target date."""
+
+        if years < 1:
+            raise ValueError("years must be positive")
+        try:
+            start = target_trade_date.replace(year=target_trade_date.year - years)
+        except ValueError:
+            # 29 February has no counterpart in a non-leap year.  The last
+            # day of February is the deterministic calendar boundary.
+            start = target_trade_date.replace(
+                year=target_trade_date.year - years,
+                month=2,
+                day=28,
+            )
+        return cls(start=start, end=target_trade_date)
+
+    def contains(self, value: date) -> bool:
+        """Return whether a date is within the inclusive window."""
+
+        return self.start <= value <= self.end
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/ports.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/ports.py
new file mode 100644
index 0000000..0b2eb28
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/ports.py
@@ -0,0 +1,126 @@
+"""Ports used by the market data application layer."""
+
+from __future__ import annotations
+
+from collections.abc import Iterable, Sequence
+from contextlib import AbstractContextManager
+from dataclasses import dataclass
+from datetime import date
+from decimal import Decimal
+from pathlib import Path
+from typing import Protocol
+
+from .models import Bar, DailyBasic, Stock, SyncWindow
+
+
+class MarketDataRepositoryError(RuntimeError):
+    """A storage adapter failed without exposing vendor or credential details."""
+
+
+@dataclass(frozen=True, slots=True)
+class WriteResult:
+    """Counts returned by one idempotent repository write."""
+
+    inserted: int = 0
+    updated: int = 0
+    unchanged: int = 0
+
+
+@dataclass(frozen=True, slots=True)
+class StagedSnapshot:
+    """A temporary file that may be published after its database transaction."""
+
+    temporary_path: Path
+    final_path: Path
+    fingerprint: str
+
+
+class MarketDataSource(Protocol):
+    """External source port for stock, calendar, bar, and metric data."""
+
+    def fetch_stocks(self) -> Sequence[Stock]: ...
+
+    def fetch_open_dates(self, start: date, end: date) -> Sequence[date]: ...
+
+    def fetch_bars(self, ts_code: str, window: SyncWindow) -> Sequence[Bar]: ...
+
+    def fetch_daily_basic(self, trade_date: date) -> Sequence[DailyBasic]: ...
+
+
+class SnapshotStore(Protocol):
+    """Snapshot and atomic-file publication port."""
+
+    def read_bars(self, ts_code: str) -> tuple[Bar, ...] | None: ...
+
+    def stage_bars(self, ts_code: str, rows: Iterable[Bar]) -> StagedSnapshot: ...
+
+    def stage_daily_basic(self, trade_date: date, rows: Iterable[DailyBasic]) -> StagedSnapshot: ...
+
+    def stage_stocks(self, rows: Iterable[Stock]) -> StagedSnapshot: ...
+
+    def publish(self, staged: StagedSnapshot) -> None: ...
+
+    def discard(self, staged: StagedSnapshot) -> None: ...
+
+    def clean_daily_basic_before(self, boundary: date) -> int: ...
+
+
+class MarketDataRepository(Protocol):
+    """PostgreSQL repository port.
+
+    ``full_snapshot`` controls whether rows missing from the current six-year
+    window are deleted for the affected stock.  Incremental writes never
+    remove rows before the database transaction has succeeded.
+    """
+
+    def upsert_stocks(self, rows: Iterable[Stock]) -> WriteResult: ...
+
+    def upsert_bars(
+        self,
+        rows: Iterable[Bar],
+        window: SyncWindow,
+        *,
+        full_snapshot: bool,
+    ) -> WriteResult: ...
+
+    def upsert_daily_basic(self, rows: Iterable[DailyBasic], window: SyncWindow) -> WriteResult: ...
+
+    def purge_before(self, window: SyncWindow) -> None: ...
+
+    def has_bar(self, ts_code: str, trade_date: date) -> bool: ...
+
+    def has_daily_basic(self, ts_code: str, trade_date: date) -> bool: ...
+
+    def create_batch(
+        self,
+        target_trade_date: date,
+        window: SyncWindow,
+        mode: str,
+        parent_batch_id: str | None,
+        target_count: int,
+    ) -> str: ...
+
+    def record_batch(
+        self,
+        batch_id: str,
+        status: str,
+        valid_count: int,
+        coverage: Decimal,
+        strategy_eligible: bool,
+    ) -> None: ...
+
+    def record_item(
+        self,
+        batch_id: str,
+        item_kind: str,
+        item_key: str,
+        status: str,
+        result: WriteResult,
+        fingerprint: str | None = None,
+        error_type: str | None = None,
+        error_message: str | None = None,
+    ) -> None: ...
+
+    def failed_items(self, parent_batch_id: str) -> tuple[tuple[str, str], ...]: ...
+
+    def advisory_lock(self, key: int) -> AbstractContextManager[bool]: ...
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/rules.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/rules.py
new file mode 100644
index 0000000..bc52c88
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/rules.py
@@ -0,0 +1,32 @@
+"""Target universe rules for the current listed Shanghai/Shenzhen A shares."""
+
+from collections.abc import Iterable
+
+from .models import Stock
+
+
+def is_current_hs_a_stock(stock: Stock) -> bool:
+    """Return whether a stock is a current non-ST Shanghai/Shenzhen A share."""
+
+    code, separator, suffix = stock.ts_code.upper().partition(".")
+    if not separator or suffix not in {"SH", "SZ"} or not code.isdigit():
+        return False
+    if stock.list_status.upper() != "L":
+        return False
+    if stock.exchange and stock.exchange.upper() not in {"SSE", "SZSE", "SH", "SZ"}:
+        return False
+    market = stock.market.upper().replace(" ", "")
+    if "北交所" in market or market in {"B", "B股", "BEIJING"}:
+        return False
+    return "ST" not in stock.name.upper().replace(" ", "") and "退" not in stock.name
+
+
+def filter_current_hs_a_stocks(stocks: Iterable[Stock]) -> tuple[Stock, ...]:
+    """Filter and deterministically sort the current target universe."""
+
+    return tuple(
+        sorted(
+            (stock for stock in stocks if is_current_hs_a_stock(stock)),
+            key=lambda stock: stock.ts_code,
+        )
+    )
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/domain/window.py b/zhixing-server/src/zhixing_server/modules/market_data/domain/window.py
new file mode 100644
index 0000000..11897b4
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/domain/window.py
@@ -0,0 +1,5 @@
+"""Compatibility import for the market data rolling window."""
+
+from .models import SyncWindow
+
+__all__ = ["SyncWindow"]
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/__init__.py b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/__init__.py
new file mode 100644
index 0000000..45a2c52
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/__init__.py
@@ -0,0 +1 @@
+"""Market data infrastructure adapters."""
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/csv_snapshot.py b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/csv_snapshot.py
new file mode 100644
index 0000000..614a1ee
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/csv_snapshot.py
@@ -0,0 +1,256 @@
+"""Fixed-layout CSV snapshots with atomic publication semantics."""
+
+from __future__ import annotations
+
+import csv
+import os
+import re
+import tempfile
+from collections.abc import Iterable
+from contextlib import suppress
+from datetime import date
+from hashlib import sha256
+from pathlib import Path
+from uuid import uuid4
+
+from ..domain.fingerprint import snapshot_fingerprint
+from ..domain.models import Bar, DailyBasic, Stock, decimal_text
+from ..domain.ports import StagedSnapshot
+
+_SAFE_CODE = re.compile(r"^[0-9]{6}\.(SH|SZ)$")
+BAR_COLUMNS = (
+    "ts_code",
+    "trade_date",
+    "open",
+    "high",
+    "low",
+    "close",
+    "pre_close",
+    "change",
+    "pct_chg",
+    "vol",
+    "amount",
+)
+DAILY_BASIC_COLUMNS = (
+    "ts_code",
+    "trade_date",
+    "close",
+    "turnover_rate",
+    "turnover_rate_f",
+    "volume_ratio",
+    "pe",
+    "pe_ttm",
+    "pb",
+    "ps",
+    "ps_ttm",
+    "dv_ratio",
+    "dv_ttm",
+    "total_share",
+    "float_share",
+    "free_share",
+    "total_mv",
+    "circ_mv",
+)
+STOCK_COLUMNS = ("ts_code", "name", "market", "exchange", "list_status", "list_date")
+_DAILY_DECIMAL_FIELDS = DAILY_BASIC_COLUMNS[2:]
+
+
+def _code_path(ts_code: str) -> str:
+    if not _SAFE_CODE.fullmatch(ts_code):
+        raise ValueError(f"unsupported stock code: {ts_code!r}")
+    return ts_code
+
+
+def _bar_row(row: Bar) -> dict[str, str]:
+    return {
+        "ts_code": row.ts_code,
+        "trade_date": row.trade_date.isoformat(),
+        "open": decimal_text(row.open),
+        "high": decimal_text(row.high),
+        "low": decimal_text(row.low),
+        "close": decimal_text(row.close),
+        "pre_close": decimal_text(row.pre_close),
+        "change": decimal_text(row.change),
+        "pct_chg": decimal_text(row.pct_chg),
+        "vol": decimal_text(row.vol),
+        "amount": decimal_text(row.amount),
+    }
+
+
+def _daily_basic_row(row: DailyBasic) -> dict[str, str]:
+    values: dict[str, str] = {
+        "ts_code": row.ts_code,
+        "trade_date": row.trade_date.isoformat(),
+    }
+    for field in _DAILY_DECIMAL_FIELDS:
+        values[field] = decimal_text(getattr(row, field))
+    return values
+
+
+def _stock_row(row: Stock) -> dict[str, str]:
+    return {
+        "ts_code": row.ts_code,
+        "name": row.name,
+        "market": row.market,
+        "exchange": row.exchange,
+        "list_status": row.list_status,
+        "list_date": row.list_date.isoformat() if row.list_date else "",
+    }
+
+
+class CsvSnapshotStore:
+    """Store and publish the three market-data CSV layouts.
+
+    Temporary files are created beside their final file.  Therefore ``os.replace``
+    is a same-filesystem operation and a database failure can leave the previous
+    published snapshot untouched.
+    """
+
+    def __init__(self, root: Path) -> None:
+        self.root = root
+
+    def bars_path(self, ts_code: str) -> Path:
+        """Return the formal per-stock qfq path."""
+
+        return self.root / "bars" / f"{_code_path(ts_code)}.csv"
+
+    def daily_basic_path(self, trade_date: date) -> Path:
+        """Return the formal per-trading-day metrics path."""
+
+        return self.root / "daily-basic" / f"{trade_date:%Y}" / f"{trade_date:%Y%m%d}.csv"
+
+    @property
+    def stock_basic_path(self) -> Path:
+        """Return the formal current stock-master path."""
+
+        return self.root / "stock-basic" / "current.csv"
+
+    def read_bars(self, ts_code: str) -> tuple[Bar, ...] | None:
+        """Read the current formal snapshot, returning ``None`` if absent."""
+
+        path = self.bars_path(ts_code)
+        if not path.exists():
+            return None
+        with path.open(newline="", encoding="utf-8") as handle:
+            reader = csv.DictReader(handle)
+            if tuple(reader.fieldnames or ()) != BAR_COLUMNS:
+                raise ValueError(f"unexpected bar CSV header: {path}")
+            rows = tuple(Bar.from_mapping(row) for row in reader)
+        return tuple(sorted(rows, key=lambda row: row.trade_date))
+
+    def stage_bars(self, ts_code: str, rows: Iterable[Bar]) -> StagedSnapshot:
+        """Validate and write a temporary bar snapshot."""
+
+        normalized = tuple(sorted(rows, key=lambda row: row.trade_date))
+        if not normalized or any(row.ts_code != ts_code for row in normalized):
+            raise ValueError("bar snapshot must be non-empty and belong to one stock")
+        final_path = self.bars_path(ts_code)
+        temp_path = self._write_csv(final_path, BAR_COLUMNS, (_bar_row(row) for row in normalized))
+        return StagedSnapshot(temp_path, final_path, snapshot_fingerprint(normalized))
+
+    def stage_daily_basic(self, trade_date: date, rows: Iterable[DailyBasic]) -> StagedSnapshot:
+        """Validate and stage one daily-basic date snapshot."""
+
+        normalized = tuple(sorted(rows, key=lambda row: row.ts_code))
+        if any(row.trade_date != trade_date for row in normalized):
+            raise ValueError("daily-basic snapshot contains an unexpected date")
+        keys = [row.ts_code for row in normalized]
+        if len(keys) != len(set(keys)):
+            raise ValueError("daily-basic snapshot contains duplicate stock codes")
+        final_path = self.daily_basic_path(trade_date)
+        payload = "\n".join(
+            ",".join(_daily_basic_row(row)[column] for column in DAILY_BASIC_COLUMNS)
+            for row in normalized
+        ).encode("utf-8")
+        fingerprint = sha256(payload).hexdigest()
+        temp_path = self._write_csv(
+            final_path,
+            DAILY_BASIC_COLUMNS,
+            (_daily_basic_row(row) for row in normalized),
+        )
+        return StagedSnapshot(temp_path, final_path, fingerprint)
+
+    def stage_stocks(self, rows: Iterable[Stock]) -> StagedSnapshot:
+        """Validate and stage the current stock-master snapshot."""
+
+        normalized = tuple(sorted(rows, key=lambda row: row.ts_code))
+        if not normalized:
+            raise ValueError("stock-master snapshot must not be empty")
+        keys = [row.ts_code for row in normalized]
+        if len(keys) != len(set(keys)):
+            raise ValueError("stock-master snapshot contains duplicate stock codes")
+        payload = "\n".join(
+            ",".join(_stock_row(row)[field] for field in STOCK_COLUMNS) for row in normalized
+        )
+        final_path = self.stock_basic_path
+        temp_path = self._write_csv(
+            final_path,
+            STOCK_COLUMNS,
+            (_stock_row(row) for row in normalized),
+        )
+        return StagedSnapshot(temp_path, final_path, sha256(payload.encode("utf-8")).hexdigest())
+
+    def publish(self, staged: StagedSnapshot) -> None:
+        """Atomically promote a staged snapshot and sync the parent directory."""
+
+        if not staged.temporary_path.exists():
+            raise FileNotFoundError(staged.temporary_path)
+        os.replace(staged.temporary_path, staged.final_path)
+        try:
+            directory_fd = os.open(staged.final_path.parent, os.O_RDONLY)
+        except OSError:
+            return
+        try:
+            os.fsync(directory_fd)
+        finally:
+            os.close(directory_fd)
+
+    def discard(self, staged: StagedSnapshot) -> None:
+        """Remove a staged file without touching its formal counterpart."""
+
+        with suppress(FileNotFoundError):
+            staged.temporary_path.unlink()
+
+    def clean_daily_basic_before(self, boundary: date) -> int:
+        """Remove only formal daily-basic files older than the retention boundary."""
+
+        removed = 0
+        root = self.root / "daily-basic"
+        if not root.exists():
+            return removed
+        for path in root.glob("*/????????.csv"):
+            try:
+                file_date = date.fromisoformat(
+                    path.stem[:4] + "-" + path.stem[4:6] + "-" + path.stem[6:]
+                )
+            except ValueError:
+                continue
+            if file_date < boundary:
+                path.unlink()
+                removed += 1
+        return removed
+
+    def _write_csv(
+        self,
+        final_path: Path,
+        columns: tuple[str, ...],
+        rows: Iterable[dict[str, str]],
+    ) -> Path:
+        final_path.parent.mkdir(parents=True, exist_ok=True)
+        descriptor, raw_path = tempfile.mkstemp(
+            prefix=f".{final_path.name}.{uuid4().hex}.",
+            suffix=".tmp",
+            dir=final_path.parent,
+        )
+        temp_path = Path(raw_path)
+        try:
+            with os.fdopen(descriptor, "w", encoding="utf-8", newline="") as handle:
+                writer = csv.DictWriter(handle, fieldnames=columns, lineterminator="\n")
+                writer.writeheader()
+                writer.writerows(rows)
+                handle.flush()
+                os.fsync(handle.fileno())
+        except BaseException:
+            temp_path.unlink(missing_ok=True)
+            raise
+        return temp_path
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/postgres.py b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/postgres.py
new file mode 100644
index 0000000..f1a5d83
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/postgres.py
@@ -0,0 +1,465 @@
+"""Psycopg 3 PostgreSQL adapter using COPY staging and set-based upserts."""
+
+from __future__ import annotations
+
+from collections.abc import Generator, Iterable
+from contextlib import contextmanager
+from datetime import date
+from decimal import Decimal
+from typing import Any
+from uuid import uuid4
+
+import psycopg
+
+from ..domain.models import Bar, DailyBasic, Stock, SyncWindow
+from ..domain.ports import MarketDataRepositoryError, WriteResult
+
+
+class PostgresMarketDataRepository:
+    """Persist market data without an ORM identity map.
+
+    Each public write opens a short transaction.  The caller publishes the
+    matching CSV only after this method returns successfully.
+    """
+
+    def __init__(self, database_url: str) -> None:
+        self.database_url = database_url
+
+    def upsert_stocks(self, rows: Iterable[Stock]) -> WriteResult:
+        records = tuple(rows)
+        if not records:
+            return WriteResult()
+        with self._connection() as connection, connection.transaction():
+            cursor = connection.cursor()
+            codes = [row.ts_code for row in records]
+            cursor.execute(
+                """
+                UPDATE market_stock
+                SET is_active = false, updated_at = now()
+                WHERE is_active AND NOT (ts_code = ANY(%s))
+                """,
+                (codes,),
+            )
+            inserted = 0
+            updated = 0
+            unchanged = 0
+            for row in records:
+                result = cursor.execute(
+                    """
+                    INSERT INTO market_stock
+                        (
+                            ts_code, name, market, exchange, list_status, list_date,
+                            is_active, updated_at
+                        )
+                    VALUES (%s, %s, %s, %s, %s, %s, true, now())
+                    ON CONFLICT (ts_code) DO UPDATE SET
+                        name = EXCLUDED.name,
+                        market = EXCLUDED.market,
+                        exchange = EXCLUDED.exchange,
+                        list_status = EXCLUDED.list_status,
+                        list_date = EXCLUDED.list_date,
+                        is_active = true,
+                        updated_at = now()
+                    WHERE (market_stock.name, market_stock.market, market_stock.exchange,
+                           market_stock.list_status, market_stock.list_date, market_stock.is_active)
+                        IS DISTINCT FROM (EXCLUDED.name, EXCLUDED.market, EXCLUDED.exchange,
+                                          EXCLUDED.list_status, EXCLUDED.list_date, true)
+                    RETURNING (xmax = 0) AS inserted
+                    """,
+                    (
+                        row.ts_code,
+                        row.name,
+                        row.market,
+                        row.exchange,
+                        row.list_status,
+                        row.list_date,
+                    ),
+                ).fetchone()
+                if result is None:
+                    unchanged += 1
+                elif bool(result[0]):
+                    inserted += 1
+                else:
+                    updated += 1
+        return WriteResult(inserted=inserted, updated=updated, unchanged=unchanged)
+
+    def upsert_bars(
+        self,
+        rows: Iterable[Bar],
+        window: SyncWindow,
+        *,
+        full_snapshot: bool,
+    ) -> WriteResult:
+        records = tuple(rows)
+        if records and len({row.ts_code for row in records}) != 1:
+            raise ValueError("a bar write must contain one stock")
+        if not records:
+            return WriteResult()
+        code = records[0].ts_code
+        with self._connection() as connection, connection.transaction():
+            cursor = connection.cursor()
+            self._create_bar_stage(cursor)
+            self._copy_bars(cursor, records)
+            before = self._count_stage_matches(cursor, "market_daily_bar")
+            inserted, updated = self._upsert_bars_from_stage(cursor)
+            if full_snapshot:
+                cursor.execute(
+                    """
+                    DELETE FROM market_daily_bar AS target
+                    WHERE target.ts_code = %s
+                      AND target.trade_date BETWEEN %s AND %s
+                      AND NOT EXISTS (
+                          SELECT 1 FROM market_daily_bar_stage AS stage
+                          WHERE stage.ts_code = target.ts_code
+                            AND stage.trade_date = target.trade_date
+                      )
+                    """,
+                    (code, window.start, window.end),
+                )
+        return WriteResult(inserted=inserted, updated=updated, unchanged=max(0, before - updated))
+
+    def upsert_daily_basic(self, rows: Iterable[DailyBasic], window: SyncWindow) -> WriteResult:
+        records = tuple(rows)
+        if not records:
+            return WriteResult()
+        if len({row.trade_date for row in records}) != 1:
+            raise ValueError("a daily-basic write must contain one trade date")
+        with self._connection() as connection, connection.transaction():
+            cursor = connection.cursor()
+            self._create_basic_stage(cursor)
+            self._copy_daily_basic(cursor, records)
+            before = self._count_stage_matches(cursor, "market_daily_basic")
+            inserted, updated = self._upsert_daily_basic_from_stage(cursor)
+        return WriteResult(inserted=inserted, updated=updated, unchanged=max(0, before - updated))
+
+    def purge_before(self, window: SyncWindow) -> None:
+        """Apply rolling retention only after the caller has finished a batch."""
+
+        with self._connection() as connection, connection.transaction():
+            cursor = connection.cursor()
+            cursor.execute("DELETE FROM market_daily_bar WHERE trade_date < %s", (window.start,))
+            cursor.execute("DELETE FROM market_daily_basic WHERE trade_date < %s", (window.start,))
+
+    def has_bar(self, ts_code: str, trade_date: date) -> bool:
+        return self._exists("market_daily_bar", ts_code, trade_date)
+
+    def has_daily_basic(self, ts_code: str, trade_date: date) -> bool:
+        return self._exists("market_daily_basic", ts_code, trade_date)
+
+    def create_batch(
+        self,
+        target_trade_date: date,
+        window: SyncWindow,
+        mode: str,
+        parent_batch_id: str | None,
+        target_count: int,
+    ) -> str:
+        batch_id = str(uuid4())
+        with self._connection() as connection, connection.transaction():
+            connection.execute(
+                """
+                INSERT INTO market_sync_batch
+                    (id, target_trade_date, window_start, mode, status, target_count)
+                VALUES (%s, %s, %s, %s, 'running', %s)
+                """,
+                (batch_id, target_trade_date, window.start, mode, target_count),
+            )
+            if parent_batch_id:
+                connection.execute(
+                    "UPDATE market_sync_batch SET parent_batch_id = %s WHERE id = %s",
+                    (parent_batch_id, batch_id),
+                )
+        return batch_id
+
+    def record_batch(
+        self,
+        batch_id: str,
+        status: str,
+        valid_count: int,
+        coverage: Decimal,
+        strategy_eligible: bool,
+    ) -> None:
+        with self._connection() as connection, connection.transaction():
+            connection.execute(
+                """
+                UPDATE market_sync_batch
+                SET status = %s, valid_count = %s, coverage = %s,
+                    strategy_eligible = %s, finished_at = now()
+                WHERE id = %s
+                """,
+                (status, valid_count, coverage, strategy_eligible, batch_id),
+            )
+
+    def record_item(
+        self,
+        batch_id: str,
+        item_kind: str,
+        item_key: str,
+        status: str,
+        result: WriteResult,
+        fingerprint: str | None = None,
+        error_type: str | None = None,
+        error_message: str | None = None,
+    ) -> None:
+        with self._connection() as connection, connection.transaction():
+            connection.execute(
+                """
+                INSERT INTO market_sync_item
+                    (batch_id, item_kind, item_key, status, inserted_count,
+                     updated_count, unchanged_count, fingerprint, error_type, error_message)
+                VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+                ON CONFLICT (batch_id, item_kind, item_key) DO UPDATE SET
+                    status = EXCLUDED.status,
+                    inserted_count = EXCLUDED.inserted_count,
+                    updated_count = EXCLUDED.updated_count,
+                    unchanged_count = EXCLUDED.unchanged_count,
+                    fingerprint = EXCLUDED.fingerprint,
+                    error_type = EXCLUDED.error_type,
+                    error_message = EXCLUDED.error_message
+                """,
+                (
+                    batch_id,
+                    item_kind,
+                    item_key,
+                    status,
+                    result.inserted,
+                    result.updated,
+                    result.unchanged,
+                    fingerprint,
+                    error_type,
+                    self._safe_error(error_message),
+                ),
+            )
+
+    def failed_items(self, parent_batch_id: str) -> tuple[tuple[str, str], ...]:
+        with self._connection() as connection:
+            rows = connection.execute(
+                """
+                SELECT item_kind, item_key
+                FROM market_sync_item
+                WHERE batch_id = %s AND status = 'failed'
+                ORDER BY item_kind, item_key
+                """,
+                (parent_batch_id,),
+            ).fetchall()
+        return tuple((str(row[0]), str(row[1])) for row in rows)
+
+    @contextmanager
+    def advisory_lock(self, key: int) -> Generator[bool, None, None]:
+        """Hold a PostgreSQL advisory lock for the lifetime of one sync run."""
+
+        with self._connection() as connection:
+            row = connection.execute(
+                "SELECT pg_try_advisory_lock(%s)",
+                (key,),
+            ).fetchone()
+            acquired = bool(row[0]) if row is not None else False
+            if not acquired:
+                yield False
+                return
+            try:
+                yield True
+            finally:
+                connection.execute("SELECT pg_advisory_unlock(%s)", (key,))
+
+    def _exists(self, table: str, ts_code: str, trade_date: date) -> bool:
+        if table == "market_daily_bar":
+            query = "SELECT 1 FROM market_daily_bar WHERE ts_code = %s AND trade_date = %s LIMIT 1"
+        elif table == "market_daily_basic":
+            query = (
+                "SELECT 1 FROM market_daily_basic WHERE ts_code = %s AND trade_date = %s LIMIT 1"
+            )
+        else:
+            raise ValueError(f"unsupported existence table: {table}")
+        with self._connection() as connection:
+            result = connection.execute(
+                query,
+                (ts_code, trade_date),
+            ).fetchone()
+        return result is not None
+
+    @contextmanager
+    def _connection(self) -> Generator[Any, None, None]:
+        """Translate driver failures into a safe application-level error."""
+
+        try:
+            with psycopg.connect(self.database_url) as connection:
+                yield connection
+        except psycopg.Error as exc:
+            raise MarketDataRepositoryError("market data database operation failed") from exc
+
+    @staticmethod
+    def _create_bar_stage(cursor: Any) -> None:
+        cursor.execute(
+            """
+            CREATE TEMP TABLE market_daily_bar_stage (
+                ts_code varchar(12) NOT NULL,
+                trade_date date NOT NULL,
+                open numeric(20,6), high numeric(20,6), low numeric(20,6), close numeric(20,6),
+                pre_close numeric(20,6), change numeric(20,6), pct_chg numeric(20,6),
+                vol numeric(24,6), amount numeric(24,6)
+            ) ON COMMIT DROP
+            """
+        )
+
+    @staticmethod
+    def _create_basic_stage(cursor: Any) -> None:
+        cursor.execute(
+            """
+            CREATE TEMP TABLE market_daily_basic_stage (
+                ts_code varchar(12) NOT NULL,
+                trade_date date NOT NULL,
+                close numeric(24,6), turnover_rate numeric(24,6),
+                turnover_rate_f numeric(24,6), volume_ratio numeric(24,6),
+                pe numeric(24,6), pe_ttm numeric(24,6), pb numeric(24,6),
+                ps numeric(24,6), ps_ttm numeric(24,6), dv_ratio numeric(24,6),
+                dv_ttm numeric(24,6), total_share numeric(24,6),
+                float_share numeric(24,6), free_share numeric(24,6),
+                total_mv numeric(24,6), circ_mv numeric(24,6)
+            ) ON COMMIT DROP
+            """
+        )
+
+    @staticmethod
+    def _copy_bars(cursor: Any, rows: Iterable[Bar]) -> None:
+        copy_sql = (
+            "COPY market_daily_bar_stage "
+            "(ts_code, trade_date, open, high, low, close, pre_close, "
+            "change, pct_chg, vol, amount) FROM STDIN"
+        )
+        with cursor.copy(copy_sql) as copy:
+            for row in rows:
+                copy.write_row(
+                    (
+                        row.ts_code,
+                        row.trade_date,
+                        row.open,
+                        row.high,
+                        row.low,
+                        row.close,
+                        row.pre_close,
+                        row.change,
+                        row.pct_chg,
+                        row.vol,
+                        row.amount,
+                    )
+                )
+
+    @staticmethod
+    def _copy_daily_basic(cursor: Any, rows: Iterable[DailyBasic]) -> None:
+        copy_sql = (
+            "COPY market_daily_basic_stage "
+            "(ts_code, trade_date, close, turnover_rate, turnover_rate_f, "
+            "volume_ratio, pe, pe_ttm, pb, ps, ps_ttm, dv_ratio, dv_ttm, "
+            "total_share, float_share, free_share, total_mv, circ_mv) FROM STDIN"
+        )
+        with cursor.copy(copy_sql) as copy:
+            for row in rows:
+                copy.write_row(
+                    (
+                        row.ts_code,
+                        row.trade_date,
+                        row.close,
+                        row.turnover_rate,
+                        row.turnover_rate_f,
+                        row.volume_ratio,
+                        row.pe,
+                        row.pe_ttm,
+                        row.pb,
+                        row.ps,
+                        row.ps_ttm,
+                        row.dv_ratio,
+                        row.dv_ttm,
+                        row.total_share,
+                        row.float_share,
+                        row.free_share,
+                        row.total_mv,
+                        row.circ_mv,
+                    )
+                )
+
+    @staticmethod
+    def _upsert_bars_from_stage(cursor: Any) -> tuple[int, int]:
+        rows = cursor.execute(
+            """
+            INSERT INTO market_daily_bar
+                (
+                    ts_code, trade_date, open, high, low, close, pre_close,
+                    change, pct_chg, vol, amount, source_adj, updated_at
+                )
+            SELECT
+                ts_code, trade_date, open, high, low, close, pre_close,
+                change, pct_chg, vol, amount, 'qfq', now()
+            FROM market_daily_bar_stage
+            ON CONFLICT (ts_code, trade_date) DO UPDATE SET
+                open = EXCLUDED.open, high = EXCLUDED.high, low = EXCLUDED.low,
+                close = EXCLUDED.close, pre_close = EXCLUDED.pre_close,
+                change = EXCLUDED.change, pct_chg = EXCLUDED.pct_chg,
+                vol = EXCLUDED.vol, amount = EXCLUDED.amount, source_adj = 'qfq', updated_at = now()
+            WHERE (
+                market_daily_bar.open, market_daily_bar.high, market_daily_bar.low,
+                market_daily_bar.close, market_daily_bar.pre_close,
+                market_daily_bar.change, market_daily_bar.pct_chg,
+                market_daily_bar.vol, market_daily_bar.amount
+            ) IS DISTINCT FROM (
+                EXCLUDED.open, EXCLUDED.high, EXCLUDED.low, EXCLUDED.close,
+                EXCLUDED.pre_close, EXCLUDED.change, EXCLUDED.pct_chg,
+                EXCLUDED.vol, EXCLUDED.amount
+            )
+            RETURNING (xmax = 0) AS inserted
+            """
+        ).fetchall()
+        inserted = sum(1 for row in rows if bool(row[0]))
+        return inserted, len(rows) - inserted
+
+    @staticmethod
+    def _upsert_daily_basic_from_stage(cursor: Any) -> tuple[int, int]:
+        fields = (
+            "close",
+            "turnover_rate",
+            "turnover_rate_f",
+            "volume_ratio",
+            "pe",
+            "pe_ttm",
+            "pb",
+            "ps",
+            "ps_ttm",
+            "dv_ratio",
+            "dv_ttm",
+            "total_share",
+            "float_share",
+            "free_share",
+            "total_mv",
+            "circ_mv",
+        )
+        assignments = ", ".join(f"{field} = EXCLUDED.{field}" for field in fields)
+        comparison = ", ".join(f"market_daily_basic.{field}" for field in fields)
+        excluded = ", ".join(f"EXCLUDED.{field}" for field in fields)
+        query = f"""
+            INSERT INTO market_daily_basic (ts_code, trade_date, {", ".join(fields)}, updated_at)
+            SELECT ts_code, trade_date, {", ".join(fields)}, now() FROM market_daily_basic_stage
+            ON CONFLICT (ts_code, trade_date) DO UPDATE SET {assignments}, updated_at = now()
+            WHERE ({comparison}) IS DISTINCT FROM ({excluded})
+            RETURNING (xmax = 0) AS inserted
+        """
+        rows = cursor.execute(query).fetchall()
+        inserted = sum(1 for row in rows if bool(row[0]))
+        return inserted, len(rows) - inserted
+
+    @staticmethod
+    def _count_stage_matches(cursor: Any, table: str) -> int:
+        stage = (
+            "market_daily_bar_stage" if table == "market_daily_bar" else "market_daily_basic_stage"
+        )
+        return int(
+            cursor.execute(
+                f"SELECT count(*) FROM {stage} AS stage JOIN {table} AS target "
+                "USING (ts_code, trade_date)"
+            ).fetchone()[0]
+        )
+
+    @staticmethod
+    def _safe_error(message: str | None) -> str | None:
+        if message is None:
+            return None
+        return " ".join(message.split())[:500]
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/schema.py b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/schema.py
new file mode 100644
index 0000000..b0e924c
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/schema.py
@@ -0,0 +1,116 @@
+"""SQLAlchemy metadata for the market-data migration contract."""
+
+from sqlalchemy import (
+    Boolean,
+    Column,
+    Date,
+    DateTime,
+    Integer,
+    MetaData,
+    Numeric,
+    PrimaryKeyConstraint,
+    String,
+    Table,
+    Text,
+    func,
+)
+
+metadata = MetaData()
+
+market_stock = Table(
+    "market_stock",
+    metadata,
+    Column("ts_code", String(12), primary_key=True),
+    Column("name", String(128), nullable=False),
+    Column("market", String(32), nullable=False),
+    Column("exchange", String(16), nullable=False),
+    Column("list_status", String(2), nullable=False),
+    Column("list_date", Date),
+    Column("is_active", Boolean, nullable=False, server_default="true"),
+    Column("updated_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
+)
+
+market_daily_bar = Table(
+    "market_daily_bar",
+    metadata,
+    Column("ts_code", String(12), nullable=False),
+    Column("trade_date", Date, nullable=False),
+    Column("open", Numeric(20, 6)),
+    Column("high", Numeric(20, 6)),
+    Column("low", Numeric(20, 6)),
+    Column("close", Numeric(20, 6)),
+    Column("pre_close", Numeric(20, 6)),
+    Column("change", Numeric(20, 6)),
+    Column("pct_chg", Numeric(20, 6)),
+    Column("vol", Numeric(24, 6)),
+    Column("amount", Numeric(24, 6)),
+    Column("source_adj", String(8), nullable=False, server_default="qfq"),
+    Column("updated_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
+    PrimaryKeyConstraint("ts_code", "trade_date"),
+)
+
+market_daily_basic = Table(
+    "market_daily_basic",
+    metadata,
+    Column("ts_code", String(12), nullable=False),
+    Column("trade_date", Date, nullable=False),
+    *(
+        [
+            Column(field, Numeric(24, 6))
+            for field in (
+                "close",
+                "turnover_rate",
+                "turnover_rate_f",
+                "volume_ratio",
+                "pe",
+                "pe_ttm",
+                "pb",
+                "ps",
+                "ps_ttm",
+                "dv_ratio",
+                "dv_ttm",
+                "total_share",
+                "float_share",
+                "free_share",
+                "total_mv",
+                "circ_mv",
+            )
+        ]
+    ),
+    Column("updated_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
+    PrimaryKeyConstraint("ts_code", "trade_date"),
+)
+
+market_sync_batch = Table(
+    "market_sync_batch",
+    metadata,
+    Column("id", String(36), primary_key=True),
+    Column("target_trade_date", Date, nullable=False),
+    Column("window_start", Date, nullable=False),
+    Column("mode", String(16), nullable=False),
+    Column("status", String(24), nullable=False),
+    Column("target_count", Integer, nullable=False),
+    Column("valid_count", Integer, nullable=False, server_default="0"),
+    Column("coverage", Numeric(8, 6), nullable=False, server_default="0"),
+    Column("strategy_eligible", Boolean, nullable=False, server_default="false"),
+    Column("parent_batch_id", String(36)),
+    Column("created_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
+    Column("finished_at", DateTime(timezone=True)),
+)
+
+market_sync_item = Table(
+    "market_sync_item",
+    metadata,
+    Column("batch_id", String(36), nullable=False),
+    Column("item_kind", String(24), nullable=False),
+    Column("item_key", String(64), nullable=False),
+    Column("status", String(24), nullable=False),
+    Column("inserted_count", Integer, nullable=False, server_default="0"),
+    Column("updated_count", Integer, nullable=False, server_default="0"),
+    Column("unchanged_count", Integer, nullable=False, server_default="0"),
+    Column("fingerprint", String(64)),
+    Column("error_type", String(64)),
+    Column("error_message", Text),
+    Column("created_at", DateTime(timezone=True), nullable=False, server_default=func.now()),
+    PrimaryKeyConstraint("batch_id", "item_kind", "item_key"),
+)
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/tushare.py b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/tushare.py
new file mode 100644
index 0000000..cd47f81
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/infrastructure/tushare.py
@@ -0,0 +1,175 @@
+"""Tushare source adapter and current-universe filtering."""
+
+from __future__ import annotations
+
+import random
+import time
+from collections.abc import Callable, Iterable, Mapping
+from datetime import date
+from typing import cast
+
+from ..domain.models import Bar, DailyBasic, Stock, SyncWindow, parse_date
+from ..domain.rules import filter_current_hs_a_stocks
+
+
+class TushareSourceError(RuntimeError):
+    """A vendor request failed after the configured retry budget."""
+
+
+class TushareAdapter:
+    """Translate Tushare SDK responses into domain records.
+
+    The SDK is kept behind this adapter so ordinary domain/application tests
+    can inject a tiny fake client and never need a network token.
+    """
+
+    def __init__(
+        self,
+        client: object,
+        *,
+        pro_bar: Callable[..., object] | None = None,
+        max_retries: int = 3,
+        backoff_seconds: float = 1.0,
+        request_interval_seconds: float = 0.2,
+        random_fn: Callable[[], float] = random.random,
+        sleep_fn: Callable[[float], None] = time.sleep,
+    ) -> None:
+        self.client = client
+        self.pro_bar = pro_bar
+        self.max_retries = max(0, max_retries)
+        self.backoff_seconds = max(0.0, backoff_seconds)
+        self.request_interval_seconds = max(0.0, request_interval_seconds)
+        self.random_fn = random_fn
+        self.sleep_fn = sleep_fn
+
+    @classmethod
+    def from_token(
+        cls,
+        token: str,
+        *,
+        max_retries: int = 3,
+        backoff_seconds: float = 1.0,
+        request_interval_seconds: float = 0.2,
+    ) -> TushareAdapter:
+        """Create a production adapter from a token without exposing it."""
+
+        if not token.strip():
+            raise ValueError("ZHIXING_TUSHARE_TOKEN is required for market sync")
+        import tushare as ts  # pyright: ignore[reportMissingTypeStubs]
+
+        pro_bar_function = cast(
+            Callable[..., object],
+            ts.pro_bar,  # pyright: ignore[reportUnknownMemberType]
+        )
+        return cls(
+            cast(object, ts.pro_api(token)),
+            pro_bar=pro_bar_function,
+            max_retries=max_retries,
+            backoff_seconds=backoff_seconds,
+            request_interval_seconds=request_interval_seconds,
+        )
+
+    def fetch_stocks(self) -> tuple[Stock, ...]:
+        """Fetch current listings and apply the target-universe rules."""
+
+        rows = self._records(
+            "stock_basic",
+            exchange="",
+            list_status="L",
+            fields="ts_code,name,market,exchange,list_status,list_date",
+        )
+        return filter_current_hs_a_stocks(Stock.from_mapping(row) for row in rows)
+
+    def fetch_open_dates(self, start: date, end: date) -> tuple[date, ...]:
+        """Fetch open trading dates in an inclusive range."""
+
+        rows = self._records(
+            "trade_cal",
+            exchange="",
+            start_date=start.strftime("%Y%m%d"),
+            end_date=end.strftime("%Y%m%d"),
+            is_open=1,
+        )
+        dates: list[date] = []
+        for row in rows:
+            is_open = row.get("is_open")
+            if str(is_open).strip() not in {"1", "True", "true"}:
+                continue
+            dates.append(parse_date(row.get("cal_date")))
+        return tuple(sorted(set(dates)))
+
+    def fetch_bars(self, ts_code: str, window: SyncWindow) -> tuple[Bar, ...]:
+        """Fetch a complete six-year qfq snapshot for one stock."""
+
+        rows = self._records(
+            "pro_bar",
+            ts_code=ts_code,
+            adj="qfq",
+            start_date=window.start.strftime("%Y%m%d"),
+            end_date=window.end.strftime("%Y%m%d"),
+            freq="D",
+        )
+        bars = tuple(Bar.from_mapping(row) for row in rows)
+        if any(row.ts_code != ts_code for row in bars):
+            raise ValueError(f"Tushare returned a different stock for {ts_code}")
+        return tuple(
+            sorted(
+                (row for row in bars if window.contains(row.trade_date)),
+                key=lambda row: row.trade_date,
+            )
+        )
+
+    def fetch_daily_basic(self, trade_date: date) -> tuple[DailyBasic, ...]:
+        """Fetch one full-market daily-basic snapshot by trading date."""
+
+        rows = self._records("daily_basic", trade_date=trade_date.strftime("%Y%m%d"))
+        metrics = tuple(DailyBasic.from_mapping(row) for row in rows)
+        if any(row.trade_date != trade_date for row in metrics):
+            raise ValueError(f"Tushare returned a different metric date for {trade_date}")
+        return tuple(sorted(metrics, key=lambda row: row.ts_code))
+
+    def _records(self, method_name: str, **kwargs: object) -> tuple[Mapping[str, object], ...]:
+        """Call an SDK method with bounded retry and normalize its tabular output."""
+
+        def request() -> object:
+            if method_name == "pro_bar":
+                if self.pro_bar is not None:
+                    return self.pro_bar(**kwargs)
+                method = getattr(self.client, method_name, None)
+            else:
+                method = getattr(self.client, method_name, None)
+            if not callable(method):
+                raise TypeError(f"Tushare client has no callable {method_name}")
+            return method(**kwargs)
+
+        last_error: BaseException | None = None
+        for attempt in range(self.max_retries + 1):
+            try:
+                result = request()
+                self.sleep_fn(self.request_interval_seconds)
+                return self._as_records(result)
+            except (OSError, RuntimeError, TimeoutError) as exc:
+                last_error = exc
+                if attempt == self.max_retries:
+                    break
+                delay = self.backoff_seconds * (2**attempt) * (0.5 + self.random_fn())
+                self.sleep_fn(delay)
+        raise TushareSourceError(f"Tushare request failed: {method_name}") from last_error
+
+    @staticmethod
+    def _as_records(result: object) -> tuple[Mapping[str, object], ...]:
+        if result is None:
+            return ()
+        to_dict = getattr(result, "to_dict", None)
+        if callable(to_dict):
+            result = to_dict("records")
+        if isinstance(result, Mapping):
+            return (cast(Mapping[str, object], result),)
+        if isinstance(result, Iterable) and not isinstance(result, (str, bytes)):
+            records: list[Mapping[str, object]] = []
+            for row in cast(Iterable[object], result):
+                if not isinstance(row, Mapping):
+                    raise TypeError("Tushare rows must be mappings")
+                records.append(cast(Mapping[str, object], row))
+            return tuple(records)
+        raise TypeError("unsupported Tushare tabular response")
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/presentation/__init__.py b/zhixing-server/src/zhixing_server/modules/market_data/presentation/__init__.py
new file mode 100644
index 0000000..be9bc62
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/presentation/__init__.py
@@ -0,0 +1 @@
+"""CLI delivery adapter for the market-data use case."""
diff --git a/zhixing-server/src/zhixing_server/modules/market_data/presentation/cli.py b/zhixing-server/src/zhixing_server/modules/market_data/presentation/cli.py
new file mode 100644
index 0000000..cf0ec84
--- /dev/null
+++ b/zhixing-server/src/zhixing_server/modules/market_data/presentation/cli.py
@@ -0,0 +1,80 @@
+"""One-shot ``market-data-sync`` command used by Compose and cron."""
+
+from __future__ import annotations
+
+import argparse
+import json
+from collections.abc import Sequence
+from datetime import date
+
+from ....bootstrap.config import get_settings
+from ..application.sync import SyncMarketData, SyncMarketDataCommand
+from ..infrastructure.csv_snapshot import CsvSnapshotStore
+from ..infrastructure.postgres import PostgresMarketDataRepository
+from ..infrastructure.tushare import TushareAdapter
+
+
+def build_parser() -> argparse.ArgumentParser:
+    """Build the explicit, repeatable synchronization CLI."""
+
+    parser = argparse.ArgumentParser(
+        description="Synchronize Tushare qfq market data into PostgreSQL"
+    )
+    mode = parser.add_mutually_exclusive_group()
+    mode.add_argument(
+        "--initialize",
+        action="store_true",
+        help="backfill daily-basic for the six-year window",
+    )
+    mode.add_argument("--retry-batch-id", help="retry only failed items from a prior batch")
+    parser.add_argument(
+        "--trade-date",
+        type=_parse_date,
+        help="target open date in YYYY-MM-DD format",
+    )
+    return parser
+
+
+def main(argv: Sequence[str] | None = None) -> int:
+    """Execute one synchronization and print its redacted JSON summary."""
+
+    args = build_parser().parse_args(argv)
+    settings = get_settings()
+    if args.retry_batch_id:
+        command = SyncMarketDataCommand(
+            mode="retry",
+            target_trade_date=args.trade_date,
+            parent_batch_id=args.retry_batch_id,
+        )
+    else:
+        command = SyncMarketDataCommand(
+            mode="initialize" if args.initialize else "daily",
+            target_trade_date=args.trade_date,
+        )
+    source = TushareAdapter.from_token(
+        settings.tushare_token,
+        max_retries=settings.market_data_max_retries,
+        backoff_seconds=settings.market_data_retry_backoff_seconds,
+        request_interval_seconds=settings.market_data_request_interval_seconds,
+    )
+    use_case = SyncMarketData(
+        source,
+        CsvSnapshotStore(settings.market_data_csv_root),
+        PostgresMarketDataRepository(settings.database_url),
+        coverage_threshold=settings.market_data_coverage_threshold,
+        lock_key=settings.market_data_advisory_lock_key,
+    )
+    summary = use_case.execute(command)
+    print(json.dumps(summary.as_dict(), ensure_ascii=False, sort_keys=True))
+    return summary.exit_code
+
+
+def _parse_date(value: str) -> date:
+    try:
+        return date.fromisoformat(value)
+    except ValueError as exc:
+        raise argparse.ArgumentTypeError("trade date must use YYYY-MM-DD") from exc
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
diff --git a/zhixing-server/tests/integration/test_market_data_migration.py b/zhixing-server/tests/integration/test_market_data_migration.py
new file mode 100644
index 0000000..1d992b2
--- /dev/null
+++ b/zhixing-server/tests/integration/test_market_data_migration.py
@@ -0,0 +1,31 @@
+import os
+from pathlib import Path
+
+import pytest
+from alembic import command
+from alembic.config import Config
+from sqlalchemy import Engine, create_engine, inspect
+
+
+@pytest.mark.integration
+def test_postgres_migration_creates_market_data_contract() -> None:
+    database_url = os.getenv("ZHIXING_TEST_DATABASE_URL")
+    if not database_url:
+        pytest.skip("set ZHIXING_TEST_DATABASE_URL to run PostgreSQL integration tests")
+
+    server_root = Path(__file__).parents[2]
+    config = Config(str(server_root / "alembic.ini"))
+    config.set_main_option("sqlalchemy.url", database_url.replace("%", "%%"))
+    engine: Engine = create_engine(database_url)
+    command.upgrade(config, "head")
+    try:
+        tables = set(inspect(engine).get_table_names())
+        assert {
+            "market_stock",
+            "market_daily_bar",
+            "market_daily_basic",
+            "market_sync_batch",
+            "market_sync_item",
+        } <= tables
+    finally:
+        engine.dispose()
diff --git a/zhixing-server/tests/unit/market_data/test_csv_snapshot.py b/zhixing-server/tests/unit/market_data/test_csv_snapshot.py
new file mode 100644
index 0000000..2b5ab91
--- /dev/null
+++ b/zhixing-server/tests/unit/market_data/test_csv_snapshot.py
@@ -0,0 +1,46 @@
+from datetime import date
+from decimal import Decimal
+from pathlib import Path
+
+import pytest
+
+from zhixing_server.modules.market_data.domain.models import Bar, DailyBasic
+from zhixing_server.modules.market_data.infrastructure.csv_snapshot import CsvSnapshotStore
+
+
+def make_bar(trade_date: date, close: str = "10") -> Bar:
+    return Bar(
+        ts_code="000001.SZ",
+        trade_date=trade_date,
+        close=Decimal(close),
+    )
+
+
+def make_basic(trade_date: date) -> DailyBasic:
+    return DailyBasic(
+        ts_code="000001.SZ",
+        trade_date=trade_date,
+        close=Decimal("10"),
+        total_mv=Decimal("100000"),
+    )
+
+
+def test_bar_snapshot_is_atomic_and_failed_publish_preserves_old_file(tmp_path: Path) -> None:
+    store = CsvSnapshotStore(tmp_path)
+    original = (make_bar(date(2024, 1, 2)),)
+    staged = store.stage_bars("000001.SZ", original)
+    store.publish(staged)
+
+    replacement = store.stage_bars("000001.SZ", (make_bar(date(2024, 1, 2), "11"),))
+    store.discard(replacement)
+
+    assert store.read_bars("000001.SZ") == original
+    assert not replacement.temporary_path.exists()
+
+
+def test_daily_basic_snapshot_rejects_duplicate_codes(tmp_path: Path) -> None:
+    store = CsvSnapshotStore(tmp_path)
+    target = date(2024, 1, 2)
+
+    with pytest.raises(ValueError, match="duplicate"):
+        store.stage_daily_basic(target, (make_basic(target), make_basic(target)))
diff --git a/zhixing-server/tests/unit/market_data/test_domain.py b/zhixing-server/tests/unit/market_data/test_domain.py
new file mode 100644
index 0000000..f278075
--- /dev/null
+++ b/zhixing-server/tests/unit/market_data/test_domain.py
@@ -0,0 +1,73 @@
+from datetime import date
+from decimal import Decimal
+
+from zhixing_server.modules.market_data.domain.fingerprint import (
+    SnapshotChange,
+    compare_snapshots,
+    snapshot_fingerprint,
+)
+from zhixing_server.modules.market_data.domain.models import Bar, Stock, SyncWindow
+from zhixing_server.modules.market_data.domain.rules import filter_current_hs_a_stocks
+
+
+def make_bar(trade_date: date, close: str = "10") -> Bar:
+    return Bar(
+        ts_code="000001.SZ",
+        trade_date=trade_date,
+        open=Decimal("9"),
+        high=Decimal(close),
+        low=Decimal("8"),
+        close=Decimal(close),
+        pre_close=Decimal("9"),
+        change=Decimal("1"),
+        pct_chg=Decimal("11.11"),
+        vol=Decimal("100"),
+        amount=Decimal("1000"),
+    )
+
+
+def test_window_uses_inclusive_calendar_boundary() -> None:
+    window = SyncWindow.from_target(date(2024, 2, 29))
+
+    assert window.start == date(2018, 2, 28)
+    assert window.end == date(2024, 2, 29)
+    assert window.contains(date(2018, 2, 28))
+
+
+def test_universe_keeps_current_non_st_hs_a_stocks() -> None:
+    stocks = (
+        Stock("000001.SZ", "平安银行", exchange="SZSE", list_status="L"),
+        Stock("600000.SH", "浦发银行", exchange="SSE", list_status="L"),
+        Stock("300001.SZ", "特锐德", exchange="SZSE", list_status="L"),
+        Stock("600001.SH", "*ST风险", exchange="SSE", list_status="L"),
+        Stock("830001.BJ", "北交所", exchange="BSE", list_status="L"),
+    )
+
+    assert [stock.ts_code for stock in filter_current_hs_a_stocks(stocks)] == [
+        "000001.SZ",
+        "300001.SZ",
+        "600000.SH",
+    ]
+
+
+def test_fingerprint_is_order_independent_and_excludes_runtime_metadata() -> None:
+    rows = (make_bar(date(2024, 1, 2)), make_bar(date(2024, 1, 3)))
+
+    assert snapshot_fingerprint(rows) == snapshot_fingerprint(tuple(reversed(rows)))
+    assert compare_snapshots(rows, rows).change is SnapshotChange.UNCHANGED
+    assert (
+        compare_snapshots(rows, (*rows, make_bar(date(2024, 1, 4)))).change
+        is SnapshotChange.NEW_DATES
+    )
+
+
+def test_fingerprint_detects_repairs_missing_rows_and_earlier_rows() -> None:
+    old = (make_bar(date(2024, 1, 2)), make_bar(date(2024, 1, 3)))
+
+    changed = (make_bar(date(2024, 1, 2), close="11"), make_bar(date(2024, 1, 3)))
+    missing = (make_bar(date(2024, 1, 2)),)
+    earlier = (make_bar(date(2024, 1, 1)), *old)
+
+    assert compare_snapshots(old, changed).change is SnapshotChange.CHANGED
+    assert compare_snapshots(old, missing).change is SnapshotChange.CHANGED
+    assert compare_snapshots(old, earlier).change is SnapshotChange.CHANGED
diff --git a/zhixing-server/tests/unit/market_data/test_sync.py b/zhixing-server/tests/unit/market_data/test_sync.py
new file mode 100644
index 0000000..83d13e8
--- /dev/null
+++ b/zhixing-server/tests/unit/market_data/test_sync.py
@@ -0,0 +1,165 @@
+from collections.abc import Generator, Iterable, Sequence
+from contextlib import contextmanager
+from datetime import date
+from decimal import Decimal
+from pathlib import Path
+
+from zhixing_server.modules.market_data.application.sync import (
+    SyncMarketData,
+    SyncMarketDataCommand,
+)
+from zhixing_server.modules.market_data.domain.models import Bar, DailyBasic, Stock, SyncWindow
+from zhixing_server.modules.market_data.domain.ports import WriteResult
+from zhixing_server.modules.market_data.infrastructure.csv_snapshot import CsvSnapshotStore
+
+
+class FakeSource:
+    def __init__(self, target: date) -> None:
+        self.target = target
+        self.stock = Stock("000001.SZ", "平安银行", exchange="SZSE", list_status="L")
+
+    def fetch_stocks(self) -> Sequence[Stock]:
+        return (self.stock,)
+
+    def fetch_open_dates(self, start: date, end: date) -> Sequence[date]:
+        return (self.target,) if start <= self.target <= end else ()
+
+    def fetch_bars(self, ts_code: str, window: SyncWindow) -> Sequence[Bar]:
+        return (Bar(ts_code, self.target, close=Decimal("10")),)
+
+    def fetch_daily_basic(self, trade_date: date) -> Sequence[DailyBasic]:
+        return (DailyBasic("000001.SZ", trade_date, close=Decimal("10")),)
+
+
+class InMemoryRepository:
+    def __init__(self) -> None:
+        self.bars: dict[tuple[str, date], Bar] = {}
+        self.daily_basic: dict[tuple[str, date], DailyBasic] = {}
+        self.batch_status: str | None = None
+        self.batch_counter = 0
+
+    @contextmanager
+    def advisory_lock(self, key: int) -> Generator[bool, None, None]:
+        yield True
+
+    def upsert_stocks(self, rows: Iterable[Stock]) -> WriteResult:
+        records = tuple(rows)
+        return WriteResult(inserted=len(records))
+
+    def upsert_bars(
+        self,
+        rows: Iterable[Bar],
+        window: SyncWindow,
+        *,
+        full_snapshot: bool,
+    ) -> WriteResult:
+        records = tuple(rows)
+        inserted = 0
+        updated = 0
+        unchanged = 0
+        code = records[0].ts_code
+        if full_snapshot:
+            for key in tuple(self.bars):
+                if (
+                    key[0] == code
+                    and window.contains(key[1])
+                    and key[1] not in {row.trade_date for row in records}
+                ):
+                    del self.bars[key]
+        for row in records:
+            key = (row.ts_code, row.trade_date)
+            previous = self.bars.get(key)
+            if previous is None:
+                inserted += 1
+            elif previous == row:
+                unchanged += 1
+            else:
+                updated += 1
+            self.bars[key] = row
+        return WriteResult(inserted=inserted, updated=updated, unchanged=unchanged)
+
+    def upsert_daily_basic(self, rows: Iterable[DailyBasic], window: SyncWindow) -> WriteResult:
+        inserted = 0
+        updated = 0
+        unchanged = 0
+        for row in rows:
+            key = (row.ts_code, row.trade_date)
+            previous = self.daily_basic.get(key)
+            if previous is None:
+                inserted += 1
+            elif previous == row:
+                unchanged += 1
+            else:
+                updated += 1
+            self.daily_basic[key] = row
+        return WriteResult(inserted=inserted, updated=updated, unchanged=unchanged)
+
+    def purge_before(self, window: SyncWindow) -> None:
+        self.bars = {key: row for key, row in self.bars.items() if key[1] >= window.start}
+        self.daily_basic = {
+            key: row for key, row in self.daily_basic.items() if key[1] >= window.start
+        }
+
+    def has_bar(self, ts_code: str, trade_date: date) -> bool:
+        return (ts_code, trade_date) in self.bars
+
+    def has_daily_basic(self, ts_code: str, trade_date: date) -> bool:
+        return (ts_code, trade_date) in self.daily_basic
+
+    def create_batch(
+        self,
+        target_trade_date: date,
+        window: SyncWindow,
+        mode: str,
+        parent_batch_id: str | None,
+        target_count: int,
+    ) -> str:
+        self.batch_counter += 1
+        return f"batch-{self.batch_counter}"
+
+    def record_batch(
+        self,
+        batch_id: str,
+        status: str,
+        valid_count: int,
+        coverage: Decimal,
+        strategy_eligible: bool,
+    ) -> None:
+        self.batch_status = status
+
+    def record_item(
+        self,
+        batch_id: str,
+        item_kind: str,
+        item_key: str,
+        status: str,
+        result: WriteResult,
+        fingerprint: str | None = None,
+        error_type: str | None = None,
+        error_message: str | None = None,
+    ) -> None:
+        return None
+
+    def failed_items(self, parent_batch_id: str) -> tuple[tuple[str, str], ...]:
+        return ()
+
+
+def test_sync_is_idempotent_and_reports_coverage(tmp_path: Path) -> None:
+    target = date(2024, 1, 2)
+    repository = InMemoryRepository()
+    use_case = SyncMarketData(
+        FakeSource(target),
+        CsvSnapshotStore(tmp_path),
+        repository,
+        today=target,
+    )
+
+    first = use_case.execute(SyncMarketDataCommand(target_trade_date=target))
+    second = use_case.execute(SyncMarketDataCommand(target_trade_date=target))
+
+    assert first.status == "success"
+    assert first.coverage == Decimal("1")
+    assert first.strategy_eligible
+    assert second.status == "success"
+    assert second.inserted_count == 1
+    assert second.unchanged_count >= 2
diff --git a/zhixing-server/uv.lock b/zhixing-server/uv.lock
index b3494b2..907193a 100644
--- a/zhixing-server/uv.lock
+++ b/zhixing-server/uv.lock
@@ -1,6 +1,25 @@
 version = 1
 revision = 2
 requires-python = "==3.12.*"
+resolution-markers = [
+    "sys_platform == 'win32'",
+    "sys_platform == 'emscripten'",
+    "sys_platform != 'emscripten' and sys_platform != 'win32'",
+]
+
+[[package]]
+name = "alembic"
+version = "1.19.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "mako" },
+    { name = "sqlalchemy" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/fb/01/a48dab7827ac4421272399f7ed9a2ec17edd12c8bcde4417bd7b6821b71a/alembic-1.19.0.tar.gz", hash = "sha256:6487c612fc719dcfa22b17d2dd5b2b458929641e6aa2f0b65b135727f5e6d501", size = 2069906, upload-time = "2026-08-04T18:57:04.599Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/34/79/59ab6f1fe72eee229de91aa393225389a85df12a0fbbbfa264efcf6d7872/alembic-1.19.0-py3-none-any.whl", hash = "sha256:cf839d3849116aab3cc047e09c6968b9bd6b2fde61b6bb7c1e97352fe5503580", size = 265738, upload-time = "2026-08-04T18:57:06.219Z" },
+]
 
 [[package]]
 name = "annotated-doc"
@@ -33,6 +52,62 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/da/35/f2287558c17e29fafc8ef3daf819bb9834061cfa43bff8014f7df7f63bdc/anyio-4.14.2-py3-none-any.whl", hash = "sha256:9f505dda5ac9f0c8309b5e8bd445a8c2bf7246f3ce950121e45ea15bc41d1494", size = 125813, upload-time = "2026-07-12T20:29:05.763Z" },
 ]
 
+[[package]]
+name = "beautifulsoup4"
+version = "4.15.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "soupsieve" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/43/65/318323f98dbee45d42dff61d8f047181bc6f2268a9068cfad035a46be5af/beautifulsoup4-4.15.0.tar.gz", hash = "sha256:288e3ca7d54b06f2ac191970bc275c1939cb46d450b255bf6718b04aa37ab4f7", size = 632571, upload-time = "2026-06-07T16:44:20.453Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/88/c6/92fcd42f1ba33e1184263f25bfabf3d27c383410470f169e4b8163bf9c17/beautifulsoup4-4.15.0-py3-none-any.whl", hash = "sha256:d6f88de62e1d4e38ecb1077eb9724cd0eff29d2a08ca16a401e9b9e93f117cf9", size = 109924, upload-time = "2026-06-07T16:44:21.566Z" },
+]
+
+[[package]]
+name = "bs4"
+version = "0.0.2"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "beautifulsoup4" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/c9/aa/4acaf814ff901145da37332e05bb510452ebed97bc9602695059dd46ef39/bs4-0.0.2.tar.gz", hash = "sha256:a48685c58f50fe127722417bae83fe6badf500d54b55f7e39ffe43b798653925", size = 698, upload-time = "2024-01-17T18:15:47.371Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/51/bb/bf7aab772a159614954d84aa832c129624ba6c32faa559dfb200a534e50b/bs4-0.0.2-py2.py3-none-any.whl", hash = "sha256:abf8742c0805ef7f662dce4b51cca104cffe52b835238afc169142ab9b3fbccc", size = 1189, upload-time = "2024-01-17T18:15:48.613Z" },
+]
+
+[[package]]
+name = "certifi"
+version = "2026.7.22"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/a3/c2/24167ea9858356b47a87a50d39908bfdb72ceeefe0041586e704e5376b3a/certifi-2026.7.22.tar.gz", hash = "sha256:741e2c3b351ddf169a738da9f2c048608ff7f2c5cc02f1ebc6b118bb090d5d55", size = 138112, upload-time = "2026-07-22T03:35:12.644Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/0b/a7/71ac2cff56fec219ed242bb11b8efb69fcc4bec75db06fb7bfe35de520e6/certifi-2026.7.22-py3-none-any.whl", hash = "sha256:62f22742b58a1a33014a2b6b706588a8d7e2a88ae7bd1a6ebe8c992928483775", size = 136983, upload-time = "2026-07-22T03:35:11.276Z" },
+]
+
+[[package]]
+name = "charset-normalizer"
+version = "3.4.9"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/bd/2a/23f34ec9d04624958e137efdc394888716353190e75f25dd22c7a2c7a8aa/charset_normalizer-3.4.9.tar.gz", hash = "sha256:673611bbd43f0810bec0b0f028ddeaaa501190339cac411f347ac76917c3ae7b", size = 152439, upload-time = "2026-07-07T14:34:58.454Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/70/4a/ecbd131485c07fcdfad54e28946d513e3da22ef3b4bd854dcafae54ec739/charset_normalizer-3.4.9-cp312-cp312-macosx_10_13_universal2.whl", hash = "sha256:45b0cc4e3556cd875e09102988d1ab8356c998b596c9fced84547c8138b487a0", size = 319300, upload-time = "2026-07-07T14:33:15.666Z" },
+    { url = "https://files.pythonhosted.org/packages/ec/96/5d9364e3342d69f3a045e1777bc47c85c383e6e9466d561b33fdb419d1f9/charset_normalizer-3.4.9-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:9b2aff1c7b3884512b9512c3eaadd9bab39fb45042ffaaa1dd08ff2b9f8109d9", size = 215802, upload-time = "2026-07-07T14:33:17.031Z" },
+    { url = "https://files.pythonhosted.org/packages/4b/4c/5361f9aa7f2cb58d94f2ab831b3d493f69efb1d239654b4744e3c09527cb/charset_normalizer-3.4.9-cp312-cp312-manylinux2014_ppc64le.manylinux_2_17_ppc64le.manylinux_2_28_ppc64le.whl", hash = "sha256:9104ed0bd76a429d46f9ec0dbc9b08ad1d2dcdf2b00a5a0daa1c145329b35b44", size = 237171, upload-time = "2026-07-07T14:33:18.576Z" },
+    { url = "https://files.pythonhosted.org/packages/50/78/ce342ca4ff30b2eb49fe6d9578df85974f90c67d294113e94efdd9664cbd/charset_normalizer-3.4.9-cp312-cp312-manylinux2014_s390x.manylinux_2_17_s390x.manylinux_2_28_s390x.whl", hash = "sha256:7b86a2b16095d250c6f58b3d9b2eee6f4147754344f3dab0922f7c9bf7d226c9", size = 233075, upload-time = "2026-07-07T14:33:20.084Z" },
+    { url = "https://files.pythonhosted.org/packages/01/c4/4fa4c8b3097a11f3c5f09a35b72ed6855fb1d332469504962ab7bafcc702/charset_normalizer-3.4.9-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:5e226f6218febc71f6c1fc2fafb91c226f75bdc1d8fb12d66823716e891608fd", size = 224256, upload-time = "2026-07-07T14:33:21.747Z" },
+    { url = "https://files.pythonhosted.org/packages/87/3a/ad914516df7e358a81aae018caa5e0470ba827fa6d763b1d2e87d920a5f6/charset_normalizer-3.4.9-cp312-cp312-manylinux_2_31_armv7l.whl", hash = "sha256:90c44bc373b7687f6948b693cceaea1348ae0975d7474746559494468e3c1d84", size = 208784, upload-time = "2026-07-07T14:33:23.313Z" },
+    { url = "https://files.pythonhosted.org/packages/d7/74/3c12f9755717dfe5c5c87da63f35d765fa0c00382ec26bf23f7fae34f2ba/charset_normalizer-3.4.9-cp312-cp312-manylinux_2_31_riscv64.manylinux_2_39_riscv64.whl", hash = "sha256:9cdef90ae47919cae358d8ab15797a800ed41da7aba5d72419fb510729e2ed4b", size = 219928, upload-time = "2026-07-07T14:33:24.814Z" },
+    { url = "https://files.pythonhosted.org/packages/33/9a/895095b83e7907abd6d3d99aad3a38ad0d9686cc186cb0c94c24320fe63e/charset_normalizer-3.4.9-cp312-cp312-musllinux_1_2_aarch64.whl", hash = "sha256:60f44ade2cf573dad7a277e6f8ca9a51a21dda572b13bd7d8539bb3cd5dbedde", size = 218489, upload-time = "2026-07-07T14:33:26.42Z" },
+    { url = "https://files.pythonhosted.org/packages/a1/34/ef5c05f412f42520d7709b7d3784d19640839eb7366ded1755511585429f/charset_normalizer-3.4.9-cp312-cp312-musllinux_1_2_armv7l.whl", hash = "sha256:a1786910334ed46ab1dd73222f2cd1e05c2c3bb39f6dddb4f8b36fc382058a39", size = 210267, upload-time = "2026-07-07T14:33:27.952Z" },
+    { url = "https://files.pythonhosted.org/packages/83/dc/9b29fa4412b318bf3bfea985c35d67eb55e04b59a7c3f2237168b0e0be6f/charset_normalizer-3.4.9-cp312-cp312-musllinux_1_2_x86_64.whl", hash = "sha256:03d07803992c6c7bbc976327f34b18b6160327fc81cb82c9d504720ac0be3b62", size = 226030, upload-time = "2026-07-07T14:33:29.397Z" },
+    { url = "https://files.pythonhosted.org/packages/0e/42/6dbc00b8cd16011691203e33570fa42ed5746599a2e878112d16eab403a3/charset_normalizer-3.4.9-cp312-cp312-win32.whl", hash = "sha256:78841cccf1af7b40f6f716338d50c0902dbe88d9f800b3c973b7a9a0a693a642", size = 151185, upload-time = "2026-07-07T14:33:30.781Z" },
+    { url = "https://files.pythonhosted.org/packages/80/cc/f920afd1a23c58ccd53c1d36085a71893a4737ff5e66e0371efab6809850/charset_normalizer-3.4.9-cp312-cp312-win_amd64.whl", hash = "sha256:4b3dac63058cc36820b0dd072f89898604e2d39686fe05321729d00d8ac185a0", size = 162557, upload-time = "2026-07-07T14:33:32.176Z" },
+    { url = "https://files.pythonhosted.org/packages/f0/e6/0386d43a261ff4e4b30c5857af7df877254b46bec7b9d1b74b6bf969a90b/charset_normalizer-3.4.9-cp312-cp312-win_arm64.whl", hash = "sha256:78fa18e436a1a0e58dbd7e02fc4473f3f32cceb12df9dfca542d075961c307d2", size = 152665, upload-time = "2026-07-07T14:33:33.711Z" },
+    { url = "https://files.pythonhosted.org/packages/98/2b/f97f1c193fb855c345d678f5077d6926034db0722df74c8f057020e05a25/charset_normalizer-3.4.9-py3-none-any.whl", hash = "sha256:68e5f26a1ad57ded6d1cfb85331d1c1a195314756471d97758c48498bb4dcdf5", size = 64538, upload-time = "2026-07-07T14:34:56.993Z" },
+]
+
 [[package]]
 name = "click"
 version = "8.4.2"
@@ -94,6 +169,24 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/cb/03/10388a42375ee7e4ac9b94eb2c5c569c8b5795e377e701c9ac3ad63de890/fastapi-0.141.1-py3-none-any.whl", hash = "sha256:bfb91aa2d334c61cb35ba9a116fc123b3d3df31640b801cf57a7a78ec3f603b3", size = 131954, upload-time = "2026-07-29T17:18:04.364Z" },
 ]
 
+[[package]]
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+version = "3.5.4"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/a3/74/b13368064b09053253555d3f2839cc2684d22d5aed0d2ccffbf7a6736558/greenlet-3.5.4.tar.gz", hash = "sha256:0232ae1de90a8e07867bb127d7a6ba2301e859145489f25cda8a6096dabe1d20", size = 206538, upload-time = "2026-07-22T12:47:14.468Z" }
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+    { url = "https://files.pythonhosted.org/packages/48/3d/25e9a2d9eb6b2e8b7ca4e80a3a26cb887cce6c8e0a87c921164f11bc5574/greenlet-3.5.4-cp312-cp312-musllinux_1_2_aarch64.whl", hash = "sha256:b7a5f095767c4493afcd06067f2bb3b8716e3f3f9e92b99c88e7e99f885b3d4d", size = 1581444, upload-time = "2026-07-22T12:25:03.818Z" },
+    { url = "https://files.pythonhosted.org/packages/b9/96/4c9bf2e2c408dcc0556edce69efa9f802e82223573c53240136a086821f1/greenlet-3.5.4-cp312-cp312-musllinux_1_2_x86_64.whl", hash = "sha256:42afdc1ab5f66da8c586c32af9224a74a706b4f0ea0dc3a4188a0860a09c65c9", size = 1645842, upload-time = "2026-07-22T11:51:12.295Z" },
+    { url = "https://files.pythonhosted.org/packages/b5/41/303ecb26a3a56122c0f4d4073ee078881847bd6b6f463ae0ec57ec20223b/greenlet-3.5.4-cp312-cp312-win_amd64.whl", hash = "sha256:60149df8f462d1b230038e6590c23c3b4768bb5d6c022b3b6e82532b34b0b8a3", size = 247169, upload-time = "2026-07-22T11:38:19.893Z" },
+    { url = "https://files.pythonhosted.org/packages/a4/e3/ef56864b4c35fcb3eb3b41b869f6cc46f4cd3f5e2c68e74acde8ac433951/greenlet-3.5.4-cp312-cp312-win_arm64.whl", hash = "sha256:77d6ce04fed0d9aeed42e0f37923cc43eba9b027bdd9c34546bb4ccd143d0fe0", size = 245565, upload-time = "2026-07-22T11:38:27.061Z" },
+]
+
 [[package]]
 name = "h11"
 version = "0.16.0"
@@ -165,6 +258,63 @@ wheels = [
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 ]
 
+[[package]]
+name = "lxml"
+version = "6.1.1"
+source = { registry = "https://pypi.org/simple" }
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