feat(bat-019): REQ-044 GET /v1/assets require_read + REQ-045 GET /v1/daemons caller-scope

REQ-044: list_catalog_assets 의존성을 require_admin → require_read로 완화.
asset 쓰기(POST/PATCH/DELETE)는 require_admin 유지.

REQ-045: GET /v1/daemons 신규 엔드포인트 — caller 소유 데몬만 반환(require_read).
user_id=None(env 토큰)은 빈 목록 200. DaemonResponse/DaemonListResponse 스키마 추가.

기존 테스트(test_v1.py, test_asset_catalog.py, test_daemon_assignment.py, test_tags_master.py)
REQ-044 권한 완화에 맞게 업데이트. test_v1_daemons.py 신규 추가(13 케이스).

pytest 472 passed, 0 failed.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VHtM5Ws1HKCKQ4JGi6GRb5

app/api/v1_assets.py

@@ -6,7 +6,7 @@ import logging
 
 from fastapi import APIRouter, Depends, HTTPException, Query, status
 
-from app.core.auth import AuthContext, require_admin
+from app.core.auth import AuthContext, require_admin, require_read
 from app.repositories.factory import get_portfolio_repository_from_settings
 from app.schemas.v1 import (
     AssetCatalogCreateRequest,
@@ -76,7 +76,7 @@ _CATALOG_STATUS_FILTERS = {"active", "inactive", "all"}
 def list_catalog_assets(
     status_filter: str = Query(default="active", alias="status"),
     market: str | None = Query(default=None),
-    auth: AuthContext = Depends(require_admin),
+    auth: AuthContext = Depends(require_read),
 ) -> AssetCatalogListResponse:
     if status_filter not in _CATALOG_STATUS_FILTERS:
         raise HTTPException(