fix: add init-db CLI for host install/upgrade metadata seed

scripts/cli/app.py

@@ -38,6 +38,7 @@ from service.account_service import (
     cmd_delete_by_platform,
     cmd_delete_by_platform_phone,
     cmd_get,
+    cmd_init_db,
     cmd_lease_cleanup,
     cmd_lease_list,
     cmd_lease_release,
@@ -60,6 +61,9 @@ from util.runtime_paths import _maybe_print_paths_debug_cli
 
 _USAGE = """account-manager v2 — Credential & Browser Profile Manager
 
+运行时 / 数据管理:
+  init-db   # 幂等初始化本地库与数据管理中文元数据（宿主安装/升级会调用）
+
 平台管理:
   platform list [--domain logistics|llm|content]
   platform get <platform>
@@ -217,6 +221,10 @@ def main() -> None:
     # Determine if first arg is a platform key (for legacy shorthand)
     plat_from_first = resolve_platform_key(cmd)
 
+    # ---- init-db（宿主 install/upgrade 标准入口）----
+    if cmd == "init-db":
+        sys.exit(cmd_init_db())
+
     # ---- platform subcommand ----
     if cmd == "platform":
         if len(av) < 3:

scripts/service/account_service.py

@@ -39,7 +39,12 @@ from service.legacy_commands import (
     cmd_list,
 )
 from service.lease_commands import cmd_lease_cleanup, cmd_lease_list, cmd_lease_release
-from service.platform_commands import cmd_platform_ensure, cmd_platform_get, cmd_platform_list
+from service.platform_commands import (
+    cmd_init_db,
+    cmd_platform_ensure,
+    cmd_platform_get,
+    cmd_platform_list,
+)
 
 __all__ = [
     "PlatformCallerMeta",
@@ -60,6 +65,7 @@ __all__ = [
     "cmd_delete_by_platform",
     "cmd_delete_by_platform_phone",
     "cmd_get",
+    "cmd_init_db",
     "cmd_lease_cleanup",
     "cmd_lease_list",
     "cmd_lease_release",

scripts/service/platform_commands.py

@@ -6,8 +6,38 @@ from typing import Optional
 from db.accounts_repo import get_platform_from_db, list_platforms_from_db, upsert_platform
 from db.connection import get_conn, init_db
 from service._svc_common import _err_json, _ok_json, _resolve_or_fail, _say
+from util.constants import SKILL_SLUG
 from util.logging_config import get_skill_logger
 from util.platforms import DEFAULT_CAPABILITIES_JSON, is_valid_platform_key_format, seed_platforms
+from util.runtime_paths import get_db_path
+
+
+def cmd_init_db() -> int:
+    """幂等创建/迁移本地 SQLite 与数据管理元数据（宿主 install/upgrade 可调用）。"""
+    log = get_skill_logger()
+    log.info("cli_start subcommand=init_db")
+    try:
+        init_db()
+    except Exception as exc:  # noqa: BLE001 — CLI 边界，统一成可机读失败
+        log.exception("init_db_failure")
+        print(
+            json.dumps(
+                {"ok": False, "skill": SKILL_SLUG, "error": str(exc)},
+                ensure_ascii=False,
+            )
+        )
+        return 1
+    print(
+        json.dumps(
+            {
+                "ok": True,
+                "skill": SKILL_SLUG,
+                "db_path": get_db_path(),
+            },
+            ensure_ascii=False,
+        )
+    )
+    return 0
 
 
 def cmd_platform_list(domain: Optional[str] = None) -> None: