Delete rag_timeline.py

rag_timeline.py

@@ -1,40 +0,0 @@
-from datetime import datetime
-from rag_data import threads, messages
-
-
-def build_timeline(thread_id: str) -> str:
-    """
-    Build a simple markdown timeline for a thread:
-    - one line per message
-    - sorted by date
-    - with [msg: <id>] citations
-    """
-    msg_ids = threads.get(thread_id, [])
-    if not msg_ids:
-        return f"No messages found for thread {thread_id}."
-
-    entries = []
-    for mid in msg_ids:
-        m = messages.get(mid)
-        if not m:
-            continue
-        date_str = m.get("date") or ""
-        sender = m.get("from") or "(unknown)"
-        subject = m.get("subject") or "(no subject)"
-
-        # Try to format date nicely
-        try:
-            dt = datetime.fromisoformat(date_str.replace("Z", "+00:00"))
-            date_fmt = dt.strftime("%Y-%m-%d %H:%M")
-        except Exception:
-            date_fmt = date_str
-
-        line = f"- **{date_fmt}** — **{sender}** — _{subject}_ [msg: {mid}]"
-        entries.append((date_str, line))
-
-    # Sort by raw date string; not perfect but fine for this dataset
-    entries.sort(key=lambda x: x[0])
-    lines = [f"### Timeline for thread {thread_id}", ""]
-    lines.extend(line for _, line in entries)
-
-    return "\n".join(lines)