feat(api): expose strategy nick on portfolio items

app/api/v1_portfolios.py

@@ -108,6 +108,7 @@ def _portfolio_to_item(
         # REQ-055: 전략·시장 메타데이터 additive 필드
         active_strategy_id=portfolio.active_strategy_id,
         strategy_name=portfolio.strategy_name,
+        strategy_nick=portfolio.strategy_nick,
         strategy_params=portfolio.strategy_params,
         strategy_revision=portfolio.strategy_revision,
         markets=portfolio.markets,

app/domain/models.py

@@ -120,6 +120,7 @@ class Portfolio:
     profit_buffer: float = 0.0
     active_strategy_id: str | None = None
     strategy_name: str | None = None  # REQ-055: strategy_sets.name JOIN 결과
+    strategy_nick: str | None = None  # REQ-055: strategy_sets.nick JOIN 결과
     strategy_params: dict[str, Any] = field(default_factory=dict)  # REQ-055: strategy_sets.config 파싱 결과
     strategy_revision: int | None = None
     markets: list[str] = field(default_factory=list)  # REQ-055: assets.markets JOIN 결과

app/repositories/postgres.py

@@ -73,7 +73,8 @@ _SELECT_PORTFOLIO = """
         ss.name,
         ss.config,
         a.markets,
-        ss.revision
+        ss.revision,
+        ss.nick
     FROM portfolios p
     JOIN assets a ON p.asset_id = a.asset_id
     LEFT JOIN strategy_sets ss ON p.active_strategy_id = ss.id
@@ -572,6 +573,8 @@ class PostgresPortfolioRepository:
         _markets_raw = row[21] if len(row) > 21 else None
         markets: list[str] = list(_markets_raw) if _markets_raw else []
         strategy_revision = int(row[22]) if len(row) > 22 and row[22] is not None else None
+        # REQ-055: strategy_nick (row[23] = ss.nick from LEFT JOIN strategy_sets)
+        strategy_nick: str | None = row[23] if len(row) > 23 else None
 
         return Portfolio(
             portfolio_id=row[0],
@@ -595,6 +598,7 @@ class PostgresPortfolioRepository:
             tag_ids=[str(t) for t in row[17]] if len(row) > 17 and row[17] is not None else [],
             display_name=row[18] if len(row) > 18 else None,
             strategy_name=strategy_name,
+            strategy_nick=strategy_nick,
             strategy_params=strategy_params,
             strategy_revision=strategy_revision,
             markets=markets,

app/schemas/v1.py

@@ -286,6 +286,7 @@ class PortfolioItem(BaseModel):
     # REQ-055: 전략·시장 메타데이터 additive 필드
     active_strategy_id: str | None = None
     strategy_name: str | None = None
+    strategy_nick: str | None = None
     strategy_params: dict[str, Any] = Field(default_factory=dict)
     strategy_revision: int | None = Field(default=None, ge=1)
     markets: list[str] = Field(default_factory=list)