feat: add Chinese display metadata for data management UI

SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: 账号与凭据管理
 description: "通用账号 & 凭据 & 登录流程管理器。管理网页/RPA 账号、API Key/Token；支持 9 种登录策略（账密自动、扫码、2FA、SSO 等）；提供加密本地存储（Fernet）；提供 rpa_helpers 库供业务 skill 同进程调用 ensure_logged_in 完成多平台自动登录。涵盖物流、LLM、内容、开发、API 五类平台。"
-version: 2.0.11
+version: 2.0.12
 author: 深圳匠厂科技有限公司
 metadata:
   openclaw:

scripts/db/connection.py

@@ -14,6 +14,7 @@ import sqlite3
 import time
 from typing import Optional
 
+from db.display_metadata import init_display_metadata
 from db.schema import SCHEMA_VERSION, ensure_schema
 from util.constants import SKILL_SLUG
 from util.logging_config import get_skill_logger
@@ -85,6 +86,7 @@ def init_db() -> None:
         ensure_schema(conn)
 
         cur = conn.cursor()
+        init_display_metadata(cur)
         cur.execute(f"PRAGMA user_version = {SCHEMA_VERSION}")
         conn.commit()
 

scripts/db/display_metadata.py

@@ -0,0 +1,421 @@
+"""匠厂数据管理展示元数据（_jiangchang_tables / _jiangchang_columns）。
+
+SQLite 无原生表/字段 COMMENT；中文展示名称通过这两张元数据表提供给宿主「数据管理」页面。
+字段在界面上的顺序由 CREATE TABLE / PRAGMA table_info(cid) 决定，**不**使用 display_order 排序。
+"""
+
+from __future__ import annotations
+
+from typing import Iterable
+
+INTERNAL_METADATA_TABLES = frozenset({"_jiangchang_tables", "_jiangchang_columns"})
+LEGACY_METADATA_TABLES = frozenset({"_schema_meta"})
+METADATA_TABLES = INTERNAL_METADATA_TABLES | LEGACY_METADATA_TABLES
+
+PLATFORMS_TABLE = "platforms"
+ACCOUNTS_TABLE = "accounts"
+CREDENTIALS_TABLE = "credentials"
+ACCOUNT_LEASES_TABLE = "account_leases"
+
+DATETIME_UNIX_SECONDS = "datetime_unix_seconds"
+STANDARD_TIMESTAMP_COLUMNS = frozenset({"created_at", "updated_at"})
+
+USER_BUSINESS_TABLES = (
+    PLATFORMS_TABLE,
+    ACCOUNTS_TABLE,
+    CREDENTIALS_TABLE,
+    ACCOUNT_LEASES_TABLE,
+)
+
+_JIANGCHANG_TABLES_DDL = """
+CREATE TABLE IF NOT EXISTS _jiangchang_tables (
+    table_name TEXT PRIMARY KEY,
+    display_name TEXT NOT NULL,
+    description TEXT,
+    sort_order INTEGER,
+    visible INTEGER NOT NULL DEFAULT 1,
+    readonly INTEGER NOT NULL DEFAULT 0
+)
+"""
+
+_JIANGCHANG_COLUMNS_DDL = """
+CREATE TABLE IF NOT EXISTS _jiangchang_columns (
+    table_name TEXT NOT NULL,
+    column_name TEXT NOT NULL,
+    display_name TEXT NOT NULL,
+    description TEXT,
+    display_order INTEGER,
+    visible INTEGER NOT NULL DEFAULT 1,
+    searchable INTEGER NOT NULL DEFAULT 1,
+    editable INTEGER NOT NULL DEFAULT 1,
+    display_type TEXT,
+    options_json TEXT,
+    PRIMARY KEY (table_name, column_name)
+)
+"""
+
+
+def _col(
+    column_name: str,
+    display_name: str,
+    *,
+    description: str | None = None,
+    visible: int = 1,
+    searchable: int = 1,
+    editable: int = 1,
+    display_type: str | None = None,
+    options_json: str | None = None,
+) -> dict[str, object]:
+    return {
+        "column_name": column_name,
+        "display_name": display_name,
+        "description": description,
+        "visible": visible,
+        "searchable": searchable,
+        "editable": editable,
+        "display_type": display_type,
+        "options_json": options_json,
+    }
+
+
+def _ts(column_name: str, display_name: str, description: str) -> dict[str, object]:
+    return _col(
+        column_name,
+        display_name,
+        description=description,
+        searchable=0,
+        editable=0,
+        display_type=DATETIME_UNIX_SECONDS,
+    )
+
+
+PLATFORMS_TABLE_METADATA = {
+    "table_name": PLATFORMS_TABLE,
+    "display_name": "平台信息",
+    "description": "已注册平台（物流、LLM、内容等）及默认登录策略",
+    "sort_order": 1,
+    "visible": 1,
+    "readonly": 0,
+}
+
+PLATFORMS_COLUMN_METADATA: tuple[dict[str, object], ...] = (
+    _col("platform_key", "平台键", description="平台唯一标识（英文 kebab-case）", editable=0),
+    _col("display_name", "展示名称", description="平台在界面上的显示名称"),
+    _col("domain", "业务域", description="logistics / llm / content / dev / sim 等"),
+    _col("provider_code", "供应商代码", description="供应商或平台代码，可空"),
+    _col("default_url", "默认链接", description="平台默认入口 URL"),
+    _col("aliases_json", "别名列表", description="平台别名 JSON 数组", editable=0),
+    _col("capabilities_json", "能力声明", description='能力 JSON，如 {"web":true,"api_key":false}', editable=0),
+    _col("enabled", "是否启用", description="1=启用，0=停用"),
+    _col("default_auth_strategy", "默认登录策略", description="新建账号时的默认 auth_strategy"),
+    _ts("created_at", "创建时间", "记录创建时间（Unix 秒级时间戳）"),
+    _ts("updated_at", "更新时间", "记录最后更新时间（Unix 秒级时间戳）"),
+)
+
+ACCOUNTS_TABLE_METADATA = {
+    "table_name": ACCOUNTS_TABLE,
+    "display_name": "账号信息",
+    "description": "网页/RPA 账号身份与浏览器 Profile 路径",
+    "sort_order": 2,
+    "visible": 1,
+    "readonly": 0,
+}
+
+ACCOUNTS_COLUMN_METADATA: tuple[dict[str, object], ...] = (
+    _col("id", "编号", description="账号唯一编号", editable=0),
+    _col("platform_key", "平台", description="所属平台键"),
+    _col("account_label", "账号名称", description="人可读的账号名称"),
+    _col("login_id", "登录账号", description="手机号、邮箱、用户名等登录标识"),
+    _col("login_id_type", "登录标识类型", description="phone / email / username / unknown 等"),
+    _col("tenant_id", "租户编号", description="租户或客户标识，可空"),
+    _col("environment", "环境", description="production / simulator / staging 等"),
+    _col("role", "角色", description="booking / tracking / api / default 等"),
+    _col("provider_code", "供应商代码", description="冗余供应商码，便于查询"),
+    _col("profile_dir", "浏览器配置目录", description="Playwright 持久化 Profile 路径", editable=0),
+    _col("url", "入口链接", description="账号默认入口 URL"),
+    _col("status", "状态", description="active / disabled / needs_review 等"),
+    _col("session_status", "会话状态", description="unknown / likely_valid / needs_login 等"),
+    _ts("last_used_at", "最后使用时间", "最近一次被业务技能使用的时间"),
+    _ts("last_login_check_at", "最后登录检查时间", "最近一次登录状态检查时间"),
+    _col("last_error_code", "最近错误码", description="最近一次错误代码", editable=0),
+    _col("last_error_message", "最近错误信息", description="最近一次错误说明", editable=0),
+    _col("extra_json", "扩展信息", description="扩展 JSON 配置", editable=0),
+    _col("auth_strategy", "登录方式", description="九种登录策略之一"),
+    _col("session_persistent", "持久会话", description="是否需要持久化浏览器会话（0/1）"),
+    _col("device_fingerprint", "设备指纹", description="device_bound 策略专用，可空"),
+    _ts("created_at", "创建时间", "记录创建时间（Unix 秒级时间戳）"),
+    _ts("updated_at", "更新时间", "记录最后更新时间（Unix 秒级时间戳）"),
+)
+
+CREDENTIALS_TABLE_METADATA = {
+    "table_name": CREDENTIALS_TABLE,
+    "display_name": "凭证信息",
+    "description": "API Key、Token、加密密码等凭据元数据（不含明文）",
+    "sort_order": 3,
+    "visible": 1,
+    "readonly": 0,
+}
+
+CREDENTIALS_COLUMN_METADATA: tuple[dict[str, object], ...] = (
+    _col("id", "编号", description="凭据唯一编号", editable=0),
+    _col("account_id", "账号编号", description="关联的 accounts.id，可空"),
+    _col("platform_key", "平台", description="所属平台键"),
+    _col("credential_label", "凭据名称", description="人可读的凭据名称"),
+    _col("credential_type", "凭据类型", description="api_key / password / bearer_token 等"),
+    _col("secret_storage", "密钥存储方式", description="none / env / windows_credential / local_encrypted", editable=0),
+    _col("secret_ref", "密钥引用", description="环境变量名或凭据管理器 target", editable=0, searchable=0),
+    _col("secret_mask", "密钥掩码", description="打码后的 secret 展示", editable=0, searchable=0),
+    _col(
+        "secret_ciphertext",
+        "密钥密文",
+        description="local_encrypted 时的 Fernet 密文，不可手工编辑",
+        editable=0,
+        searchable=0,
+    ),
+    _ts("expires_at", "过期时间", "凭据过期时间，可空"),
+    _col("status", "状态", description="active / disabled / expired 等"),
+    _ts("last_used_at", "最后使用时间", "最近一次使用时间"),
+    _col("extra_json", "扩展信息", description="扩展 JSON 配置", editable=0),
+    _ts("created_at", "创建时间", "记录创建时间（Unix 秒级时间戳）"),
+    _ts("updated_at", "更新时间", "记录最后更新时间（Unix 秒级时间戳）"),
+)
+
+ACCOUNT_LEASES_TABLE_METADATA = {
+    "table_name": ACCOUNT_LEASES_TABLE,
+    "display_name": "账号租约",
+    "description": "RPA 并发租约，防止多任务同时使用同一浏览器 Profile",
+    "sort_order": 4,
+    "visible": 1,
+    "readonly": 1,
+}
+
+ACCOUNT_LEASES_COLUMN_METADATA: tuple[dict[str, object], ...] = (
+    _col("id", "编号", description="租约唯一编号", editable=0),
+    _col("account_id", "账号编号", description="关联的 accounts.id", editable=0),
+    _col("lease_token", "租约令牌", description="用于 release 的随机 token", editable=0, searchable=1),
+    _col("holder", "持有者", description="持有租约的业务技能或任务标识", editable=0),
+    _col("purpose", "用途", description="租约用途说明", editable=0),
+    _ts("expires_at", "过期时间", "租约过期时间"),
+    _ts("heartbeat_at", "心跳时间", "最近一次心跳时间"),
+    _ts("released_at", "释放时间", "主动释放时间，可空"),
+    _col("status", "状态", description="active / released / expired", editable=0),
+    _ts("created_at", "创建时间", "记录创建时间（Unix 秒级时间戳）"),
+    _ts("updated_at", "更新时间", "记录最后更新时间（Unix 秒级时间戳）"),
+)
+
+_TABLE_SEEDS: tuple[tuple[dict[str, object], tuple[dict[str, object], ...]], ...] = (
+    (PLATFORMS_TABLE_METADATA, PLATFORMS_COLUMN_METADATA),
+    (ACCOUNTS_TABLE_METADATA, ACCOUNTS_COLUMN_METADATA),
+    (CREDENTIALS_TABLE_METADATA, CREDENTIALS_COLUMN_METADATA),
+    (ACCOUNT_LEASES_TABLE_METADATA, ACCOUNT_LEASES_COLUMN_METADATA),
+)
+
+
+def init_display_metadata_tables(cursor) -> None:
+    cursor.execute(_JIANGCHANG_TABLES_DDL)
+    cursor.execute(_JIANGCHANG_COLUMNS_DDL)
+
+
+def upsert_table_metadata(
+    cursor,
+    *,
+    table_name: str,
+    display_name: str,
+    description: str | None = None,
+    sort_order: int | None = None,
+    visible: int = 1,
+    readonly: int = 0,
+) -> None:
+    cursor.execute(
+        """
+        INSERT INTO _jiangchang_tables (
+            table_name, display_name, description, sort_order, visible, readonly
+        )
+        VALUES (?, ?, ?, ?, ?, ?)
+        ON CONFLICT(table_name) DO UPDATE SET
+            display_name = excluded.display_name,
+            description = excluded.description,
+            sort_order = excluded.sort_order,
+            visible = excluded.visible,
+            readonly = excluded.readonly
+        """,
+        (table_name, display_name, description, sort_order, visible, readonly),
+    )
+
+
+def upsert_column_metadata(
+    cursor,
+    *,
+    table_name: str,
+    column_name: str,
+    display_name: str,
+    description: str | None = None,
+    visible: int = 1,
+    searchable: int = 1,
+    editable: int = 1,
+    display_type: str | None = None,
+    options_json: str | None = None,
+) -> None:
+    cursor.execute(
+        """
+        INSERT INTO _jiangchang_columns (
+            table_name, column_name, display_name, description,
+            display_order, visible, searchable, editable, display_type, options_json
+        )
+        VALUES (?, ?, ?, ?, NULL, ?, ?, ?, ?, ?)
+        ON CONFLICT(table_name, column_name) DO UPDATE SET
+            display_name = excluded.display_name,
+            description = excluded.description,
+            display_order = NULL,
+            visible = excluded.visible,
+            searchable = excluded.searchable,
+            editable = excluded.editable,
+            display_type = excluded.display_type,
+            options_json = excluded.options_json
+        """,
+        (
+            table_name,
+            column_name,
+            display_name,
+            description,
+            visible,
+            searchable,
+            editable,
+            display_type,
+            options_json,
+        ),
+    )
+
+
+def seed_column_metadata_batch(
+    cursor,
+    *,
+    table_name: str,
+    columns: Iterable[dict[str, object]],
+    valid_column_names: Iterable[str] | None = None,
+) -> None:
+    for column in columns:
+        upsert_column_metadata(
+            cursor,
+            table_name=table_name,
+            column_name=str(column["column_name"]),
+            display_name=str(column["display_name"]),
+            description=str(column["description"]) if column.get("description") else None,
+            visible=int(column.get("visible", 1)),
+            searchable=int(column.get("searchable", 1)),
+            editable=int(column.get("editable", 1)),
+            display_type=str(column["display_type"]) if column.get("display_type") else None,
+            options_json=str(column["options_json"]) if column.get("options_json") else None,
+        )
+    if valid_column_names is not None:
+        prune_stale_column_metadata(cursor, table_name, valid_column_names)
+
+
+def prune_stale_column_metadata(cursor, table_name: str, valid_column_names: Iterable[str]) -> None:
+    valid = set(valid_column_names)
+    cursor.execute(
+        "SELECT column_name FROM _jiangchang_columns WHERE table_name = ?",
+        (table_name,),
+    )
+    for (column_name,) in cursor.fetchall():
+        if str(column_name) not in valid:
+            cursor.execute(
+                "DELETE FROM _jiangchang_columns WHERE table_name = ? AND column_name = ?",
+                (table_name, column_name),
+            )
+
+
+def get_table_readonly(cursor, table_name: str) -> int | None:
+    cursor.execute(
+        "SELECT readonly FROM _jiangchang_tables WHERE table_name = ?",
+        (table_name,),
+    )
+    row = cursor.fetchone()
+    if not row:
+        return None
+    return int(row[0] or 0)
+
+
+def get_column_editable(cursor, table_name: str, column_name: str) -> int | None:
+    cursor.execute(
+        """
+        SELECT editable FROM _jiangchang_columns
+        WHERE table_name = ? AND column_name = ?
+        """,
+        (table_name, column_name),
+    )
+    row = cursor.fetchone()
+    if not row:
+        return None
+    return int(row[0] or 0)
+
+
+def list_editable_business_columns(cursor, table_name: str) -> list[str]:
+    physical = list_physical_column_names(cursor, table_name)
+    cursor.execute(
+        """
+        SELECT column_name, editable
+        FROM _jiangchang_columns
+        WHERE table_name = ?
+        """,
+        (table_name,),
+    )
+    editable_set = {
+        str(column_name)
+        for column_name, editable in cursor.fetchall()
+        if editable is not None and int(editable) == 1
+    }
+    return [name for name in physical if name in editable_set]
+
+
+def table_allows_manual_create(cursor, table_name: str) -> bool:
+    readonly = get_table_readonly(cursor, table_name)
+    if readonly is None or int(readonly) != 0:
+        return False
+    return bool(list_editable_business_columns(cursor, table_name))
+
+
+def seed_business_table_display_metadata(cursor, table_meta: dict[str, object], columns: tuple[dict[str, object], ...]) -> None:
+    table_name = str(table_meta["table_name"])
+    upsert_table_metadata(
+        cursor,
+        table_name=table_name,
+        display_name=str(table_meta["display_name"]),
+        description=str(table_meta["description"]) if table_meta.get("description") else None,
+        sort_order=int(table_meta["sort_order"]) if table_meta.get("sort_order") is not None else None,
+        visible=int(table_meta.get("visible", 1)),
+        readonly=int(table_meta.get("readonly", 0)),
+    )
+    seed_column_metadata_batch(
+        cursor,
+        table_name=table_name,
+        columns=columns,
+        valid_column_names=[str(column["column_name"]) for column in columns],
+    )
+
+
+def init_display_metadata(cursor) -> None:
+    init_display_metadata_tables(cursor)
+    for table_meta, columns in _TABLE_SEEDS:
+        seed_business_table_display_metadata(cursor, table_meta, columns)
+
+
+def iter_user_tables(cursor) -> Iterable[str]:
+    cursor.execute(
+        "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' ORDER BY name"
+    )
+    for (name,) in cursor.fetchall():
+        if name in METADATA_TABLES:
+            continue
+        yield str(name)
+
+
+def _quote_identifier(name: str) -> str:
+    return '"' + name.replace('"', '""') + '"'
+
+
+def list_physical_column_names(cursor, table_name: str) -> list[str]:
+    cursor.execute(f"PRAGMA table_info({_quote_identifier(table_name)})")
+    rows = cursor.fetchall()
+    rows.sort(key=lambda row: int(row[0]))
+    return [str(row[1]) for row in rows]

tests/test_display_metadata.py

@@ -0,0 +1,263 @@
+# -*- coding: utf-8 -*-
+"""数据管理展示元数据：幂等初始化、中文名称、敏感字段权限。"""
+from __future__ import annotations
+
+import re
+
+import pytest
+
+from db.display_metadata import (
+    ACCOUNT_LEASES_TABLE,
+    ACCOUNTS_TABLE,
+    CREDENTIALS_TABLE,
+    PLATFORMS_TABLE,
+    USER_BUSINESS_TABLES,
+    get_table_readonly,
+    init_display_metadata_tables,
+    list_physical_column_names,
+    table_allows_manual_create,
+    upsert_column_metadata,
+    upsert_table_metadata,
+)
+
+
+def _has_cjk(text: str) -> bool:
+    return bool(re.search(r"[\u4e00-\u9fff]", text or ""))
+
+
+@pytest.fixture
+def metadata_db(clean_db):
+    """clean_db already ran init_db(); return connection for metadata assertions."""
+    yield clean_db
+
+
+def test_init_db_metadata_idempotent(metadata_db):
+    from db.connection import get_conn, init_db
+
+    init_db()
+    conn = get_conn()
+    try:
+        cur = conn.cursor()
+        cur.execute("SELECT COUNT(*) FROM _jiangchang_tables")
+        count_after_second = int(cur.fetchone()[0])
+        assert count_after_second == len(USER_BUSINESS_TABLES)
+    finally:
+        conn.close()
+
+
+@pytest.mark.parametrize(
+    "table_name,expected_display",
+    [
+        (PLATFORMS_TABLE, "平台信息"),
+        (ACCOUNTS_TABLE, "账号信息"),
+        (CREDENTIALS_TABLE, "凭证信息"),
+        (ACCOUNT_LEASES_TABLE, "账号租约"),
+    ],
+)
+def test_table_chinese_display_names(metadata_db, table_name, expected_display):
+    cur = metadata_db.cursor()
+    cur.execute(
+        "SELECT display_name FROM _jiangchang_tables WHERE table_name = ?",
+        (table_name,),
+    )
+    row = cur.fetchone()
+    assert row is not None
+    assert row[0] == expected_display
+
+
+def test_all_business_columns_have_chinese_display_names(metadata_db):
+    cur = metadata_db.cursor()
+    for table_name in USER_BUSINESS_TABLES:
+        physical = set(list_physical_column_names(cur, table_name))
+        cur.execute(
+            """
+            SELECT column_name, display_name
+            FROM _jiangchang_columns
+            WHERE table_name = ?
+            """,
+            (table_name,),
+        )
+        meta_rows = cur.fetchall()
+        assert len(meta_rows) == len(physical), f"{table_name} 元数据字段数与物理表不一致"
+        for column_name, display_name in meta_rows:
+            assert column_name in physical
+            assert _has_cjk(str(display_name)), f"{table_name}.{column_name} 缺少中文 display_name"
+
+
+def test_sensitive_credential_fields_not_editable(metadata_db):
+    cur = metadata_db.cursor()
+    sensitive = ("secret_ref", "secret_mask", "secret_ciphertext", "secret_storage")
+    for column_name in sensitive:
+        cur.execute(
+            """
+            SELECT editable, searchable
+            FROM _jiangchang_columns
+            WHERE table_name = ? AND column_name = ?
+            """,
+            (CREDENTIALS_TABLE, column_name),
+        )
+        editable, searchable = cur.fetchone()
+        assert int(editable) == 0, column_name
+        if column_name in ("secret_ref", "secret_ciphertext"):
+            assert int(searchable) == 0, column_name
+
+
+def test_lease_token_not_editable(metadata_db):
+    cur = metadata_db.cursor()
+    cur.execute(
+        """
+        SELECT editable FROM _jiangchang_columns
+        WHERE table_name = ? AND column_name = 'lease_token'
+        """,
+        (ACCOUNT_LEASES_TABLE,),
+    )
+    assert int(cur.fetchone()[0]) == 0
+
+
+def test_account_leases_readonly(metadata_db):
+    cur = metadata_db.cursor()
+    assert int(get_table_readonly(cur, ACCOUNT_LEASES_TABLE)) == 1
+    assert table_allows_manual_create(cur, ACCOUNT_LEASES_TABLE) is False
+
+
+def test_platforms_key_not_editable(metadata_db):
+    cur = metadata_db.cursor()
+    cur.execute(
+        """
+        SELECT editable FROM _jiangchang_columns
+        WHERE table_name = ? AND column_name = 'platform_key'
+        """,
+        (PLATFORMS_TABLE,),
+    )
+    assert int(cur.fetchone()[0]) == 0
+
+
+def test_profile_dir_not_editable(metadata_db):
+    cur = metadata_db.cursor()
+    cur.execute(
+        """
+        SELECT editable FROM _jiangchang_columns
+        WHERE table_name = ? AND column_name = 'profile_dir'
+        """,
+        (ACCOUNTS_TABLE,),
+    )
+    assert int(cur.fetchone()[0]) == 0
+
+
+def test_timestamp_columns_use_datetime_display_type(metadata_db):
+    cur = metadata_db.cursor()
+    for table_name in USER_BUSINESS_TABLES:
+        cur.execute(
+            """
+            SELECT column_name, display_type, editable
+            FROM _jiangchang_columns
+            WHERE table_name = ? AND column_name IN ('created_at', 'updated_at')
+            """,
+            (table_name,),
+        )
+        for column_name, display_type, editable in cur.fetchall():
+            assert display_type == "datetime_unix_seconds", f"{table_name}.{column_name}"
+            assert int(editable) == 0, f"{table_name}.{column_name}"
+
+
+def test_metadata_tables_hidden_from_user_tables(metadata_db):
+    from db.display_metadata import iter_user_tables
+
+    tables = list(iter_user_tables(metadata_db.cursor()))
+    assert "_jiangchang_tables" not in tables
+    assert "_jiangchang_columns" not in tables
+    assert "_schema_meta" not in tables
+    for name in USER_BUSINESS_TABLES:
+        assert name in tables
+
+
+def test_reinit_clears_stale_column_metadata(metadata_db):
+    from db.connection import get_conn, init_db
+
+    conn = get_conn()
+    try:
+        conn.execute(
+            """
+            INSERT INTO _jiangchang_columns
+            (table_name, column_name, display_name, visible, searchable, editable)
+            VALUES ('accounts', 'stale_field', '陈旧字段', 1, 1, 0)
+            """
+        )
+        conn.commit()
+    finally:
+        conn.close()
+
+    init_db()
+    conn = get_conn()
+    try:
+        cur = conn.cursor()
+        cur.execute(
+            """
+            SELECT COUNT(*) FROM _jiangchang_columns
+            WHERE table_name = 'accounts' AND column_name = 'stale_field'
+            """
+        )
+        assert int(cur.fetchone()[0]) == 0
+    finally:
+        conn.close()
+
+
+def test_missing_column_metadata_detected_in_memory_db():
+    import sqlite3
+
+    from db.display_metadata import init_display_metadata, list_physical_column_names
+
+    conn = sqlite3.connect(":memory:")
+    try:
+        conn.executescript(
+            """
+            CREATE TABLE platforms (
+                platform_key TEXT PRIMARY KEY,
+                display_name TEXT NOT NULL
+            );
+            """
+        )
+        init_display_metadata_tables(conn.cursor())
+        upsert_table_metadata(
+            conn.cursor(),
+            table_name="platforms",
+            display_name="平台信息",
+        )
+        upsert_column_metadata(
+            conn.cursor(),
+            table_name="platforms",
+            column_name="platform_key",
+            display_name="平台键",
+            editable=0,
+        )
+        conn.commit()
+
+        physical = list_physical_column_names(conn.cursor(), "platforms")
+        assert "display_name" in physical
+        cur = conn.cursor()
+        cur.execute(
+            "SELECT COUNT(*) FROM _jiangchang_columns WHERE table_name = 'platforms'"
+        )
+        assert int(cur.fetchone()[0]) < len(physical)
+    finally:
+        conn.close()
+
+    # Full seed should cover all physical columns
+    conn = sqlite3.connect(":memory:")
+    try:
+        from db.schema import ensure_schema
+
+        ensure_schema(conn)
+        init_display_metadata(conn.cursor())
+        conn.commit()
+        for table_name in USER_BUSINESS_TABLES:
+            physical = set(list_physical_column_names(conn.cursor(), table_name))
+            cur = conn.cursor()
+            cur.execute(
+                "SELECT column_name FROM _jiangchang_columns WHERE table_name = ?",
+                (table_name,),
+            )
+            meta_cols = {row[0] for row in cur.fetchall()}
+            assert meta_cols == physical, table_name
+    finally:
+        conn.close()