feat: add backend news service with Finnhub/FMP fallback and sentiment

1 files changed, 24 insertions, 0 deletions

diff --git a/backend/app/schemas.py b/backend/app/schemas.py
index 86664e4..351de06 100644
--- a/backend/app/schemas.py
+++ b/backend/app/schemas.py
@@ -273,3 +273,27 @@ class FilingsResponse(BaseModel):
 
 class ErrorResponse(BaseModel):
     detail: str
+
+
+class NewsItem(BaseModel):
+    id: str
+    title: str
+    summary: str
+    source: str
+    url: str
+    sentiment: Literal["bullish", "neutral", "bearish"]
+    published_at: str
+
+
+class NewsAggregate(BaseModel):
+    buzz_articles_last_week: int
+    bullish_pct: float
+    neutral_pct: float
+    bearish_pct: float
+
+
+class NewsResponse(BaseModel):
+    items: list[NewsItem] = Field(default_factory=list)
+    aggregate: NewsAggregate | None = None
+    provider: Literal["finnhub", "fmp"] | None = None
+    fetched_at: str