feat: data-management lookup for platform/account fields

scripts/db/display_metadata.py

@@ -6,6 +6,7 @@ SQLite 无原生表/字段 COMMENT；中文展示名称通过这两张元数据
 
 from __future__ import annotations
 
+import json
 from typing import Iterable
 
 INTERNAL_METADATA_TABLES = frozenset({"_jiangchang_tables", "_jiangchang_columns"})
@@ -20,6 +21,26 @@ ACCOUNT_LEASES_TABLE = "account_leases"
 DATETIME_UNIX_SECONDS = "datetime_unix_seconds"
 STANDARD_TIMESTAMP_COLUMNS = frozenset({"created_at", "updated_at"})
 
+# Data-management lookup: host resolves options_json object into select options.
+PLATFORM_KEY_LOOKUP_JSON = json.dumps(
+    {
+        "ref_table": "platforms",
+        "value_column": "platform_key",
+        "label_column": "display_name",
+        "filter_column": "enabled",
+        "filter_value": 1,
+    },
+    ensure_ascii=False,
+)
+ACCOUNT_ID_LOOKUP_JSON = json.dumps(
+    {
+        "ref_table": "accounts",
+        "value_column": "id",
+        "label_column": "account_label",
+    },
+    ensure_ascii=False,
+)
+
 USER_BUSINESS_TABLES = (
     PLATFORMS_TABLE,
     ACCOUNTS_TABLE,
@@ -123,7 +144,13 @@ ACCOUNTS_TABLE_METADATA = {
 
 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(
+        "platform_key",
+        "平台",
+        description="所属平台键（来自平台信息表）",
+        display_type="lookup",
+        options_json=PLATFORM_KEY_LOOKUP_JSON,
+    ),
     _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"),
@@ -158,8 +185,20 @@ CREDENTIALS_TABLE_METADATA = {
 
 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(
+        "account_id",
+        "账号编号",
+        description="关联的 accounts.id，可空",
+        display_type="lookup",
+        options_json=ACCOUNT_ID_LOOKUP_JSON,
+    ),
+    _col(
+        "platform_key",
+        "平台",
+        description="所属平台键（来自平台信息表）",
+        display_type="lookup",
+        options_json=PLATFORM_KEY_LOOKUP_JSON,
+    ),
     _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),