Refactor AI daily report pipeline

ai_daily_report/llm.py

@@ -0,0 +1,18 @@
+from __future__ import annotations
+
+import json
+import re
+from typing import Any, Callable
+
+
+LlmCall = Callable[[str], str]
+
+
+def parse_json_object(text: str) -> dict[str, Any]:
+    text = re.sub(r"^```(?:json)?\s*\n?", "", text.strip())
+    text = re.sub(r"\n?```\s*$", "", text)
+    match = re.search(r"\{.*\}\s*$", text, re.S)
+    if not match:
+        raise ValueError("LLM output does not contain a JSON object")
+    return json.loads(match.group(0))
+