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/kab_ingestion/connectors/github.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import json
+from dataclasses import dataclass
+from urllib.request import Request, urlopen
+
+from ..domain.models import IngestionRequest, SourceDocument
+
+
+@dataclass
+class GitHubSCMConnector:
+    token: str | None = None
+    api_base: str = "https://api.github.com"
+
+    def fetch(self, request: IngestionRequest) -> list[SourceDocument]:
+        """Fetch a file or repository contents using the GitHub contents API."""
+        url = request.locator if request.locator.startswith("http") else f"{self.api_base}/{request.locator.lstrip('/')}"
+        headers = {"Accept": "application/vnd.github+json", "User-Agent": "content-ingestion-agent"}
+        if self.token:
+            headers["Authorization"] = f"Bearer {self.token}"
+        with urlopen(Request(url, headers=headers), timeout=20) as response:
+            payload = json.loads(response.read().decode("utf-8"))
+        items = payload if isinstance(payload, list) else [payload]
+        return [self._document(item, request) for item in items if item.get("type", "file") == "file"]
+
+    @staticmethod
+    def _document(item: dict, request: IngestionRequest) -> SourceDocument:
+        body = item.get("content", "")
+        if item.get("encoding") == "base64":
+            import base64
+            body = base64.b64decode(body).decode("utf-8", errors="replace")
+        return SourceDocument(identifier=str(item.get("sha", item.get("path", "unknown"))), title=item.get("name", item.get("path", "Untitled")), body=body, source=request.source, url=item.get("html_url"), metadata={"path": item.get("path")})