Remove deprecated demo, ingest, schema, and test parser files; add new LLM parser implementation and settings configuration

app/services/llm_parser.py

@@ -0,0 +1,28 @@
+import asyncio
+import csv
+
+from openai import AsyncOpenAI
+from pydantic import BaseModel
+
+
+class RowSchema(BaseModel):
+    section: str
+    explanation: str
+
+client = AsyncOpenAI()
+
+async def process_row(row):
+    resp = await client.chat.completions.create(
+        model="gpt-4o-mini",
+        messages=[{"role": "user", "content": f"Extract relevant section:\n{row}"}],
+        response_format={"type": "json_object"}  # ensures JSON output
+    )
+    return RowSchema.model_validate_json(resp.choices[0].message.content)
+
+async def main():
+    with open("data.csv") as f:
+        reader = csv.DictReader(f)
+        tasks = [process_row(row) for row in reader]
+        return await asyncio.gather(*tasks)
+
+results = asyncio.run(main())