decomposer: fix validation failure for Migrate the kab_ingestion domain models, ports, GitHub SCM connector, and SharePoint CMS connector into the repository's app/ package.; Wire the migrated ingestion components into the agent application entry point, card, settings, triggers, governance, publication, and validation layers.; Populate every remaining placeholder file with working application, package, test, dependency, and Kubernetes content.; Verify the migrated agent and completed repository end to end.

app/settings.py

@@ -1,15 +1,20 @@
-from dataclasses import dataclass
-import os
+from functools import lru_cache
+from pydantic import Field
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
-@dataclass(frozen=True)
-class Settings:
-    github_token: str = ""
-    sharepoint_site_url: str = "https://sharepoint.invalid"
-    allowed_repositories: tuple[str, ...] = ()
-    require_approval: bool = True
-    environment: str = "development"
 
-    @classmethod
-    def from_env(cls) -> "Settings":
-        repos = tuple(x.strip() for x in os.getenv("ALLOWED_REPOSITORIES", "").split(",") if x.strip())
-        return cls(os.getenv("GITHUB_TOKEN", ""), os.getenv("SHAREPOINT_SITE_URL", cls.sharepoint_site_url), repos, os.getenv("REQUIRE_APPROVAL", "true").lower() != "false", os.getenv("ENVIRONMENT", "development"))
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_prefix="INGESTION_", case_sensitive=False)
+    github_token: str | None = Field(default=None, repr=False)
+    github_api_base: str = "https://api.github.com"
+    sharepoint_site_url: str | None = None
+    sharepoint_access_token: str | None = Field(default=None, repr=False)
+    require_governance_approval: bool = True
+    publish_enabled: bool = False
+    allowed_sources: tuple[str, ...] = ("github",)
+    service_name: str = "content-ingestion-agent"
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()