Initial commit: CI Agent competitive-intelligence monitoring app

FastAPI + Celery + Next.js + Postgres/Redis app with company monitoring,
source collection, LLM-based change analysis, enrichment, and account
security (Turnstile, escalating lockout, email verification).

apps/api/app/schemas/user_api_key.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+from pydantic import BaseModel, Field
+
+
+class UserApiKeyStatus(BaseModel):
+    provider: str
+    label: str
+    configured: bool
+    value: str | None
+    credits: int | None
+    credits_note: str | None
+    free: bool
+    requires_government_id: bool
+
+
+class SetUserApiKeyRequest(BaseModel):
+    # Blank clears the user's override, falling back to the server's
+    # global key for that provider again.
+    key: str = Field(default="", max_length=500)