Initial clean commit - unified Lyra stack

cortex/context.py

@@ -0,0 +1,61 @@
+import os, requests, datetime
+from typing import Dict, Any, Tuple
+
+INTAKE_API_URL = os.getenv("INTAKE_API_URL", "http://intake:7080")
+DEFAULT_SESSION_ID = os.getenv("DEFAULT_SESSION_ID", "default")
+LOCAL_TZ_LABEL = os.getenv("LOCAL_TZ_LABEL", "America/New_York")
+
+def fetch_intake_context(session_id: str | None) -> Dict[str, Any]:
+    sid = session_id or DEFAULT_SESSION_ID
+    try:
+        r = requests.get(f"{INTAKE_API_URL}/summaries", params={"session_id": sid}, timeout=4)
+        r.raise_for_status()
+        data = r.json() or {}
+    except Exception:
+        data = {}
+    # Normalize expected fields
+    return {
+        "summary_text": data.get("summary_text", ""),
+        "last_message_ts": data.get("last_message_ts"),  # ISO8601 or None
+        "session_id": sid,
+        "exchange_count": data.get("exchange_count", 0),
+    }
+
+def build_temporal_snapshot(last_ts_iso: str | None) -> Dict[str, Any]:
+    now = datetime.datetime.now()  # system local time
+    now_str = now.strftime("%A, %b %-d, %Y, %H:%M")
+    elapsed_str = "unknown"
+    if last_ts_iso:
+        try:
+            # parse ISO (with/without tz). If it has a timezone offset, fromisoformat handles it.
+            last = datetime.datetime.fromisoformat(last_ts_iso.replace("Z", "+00:00"))
+            delta = now - last.replace(tzinfo=None)
+            mins = int(delta.total_seconds() // 60)
+            if mins < 60:
+                elapsed_str = f"{mins} min"
+            else:
+                hrs = mins // 60
+                rem = mins % 60
+                elapsed_str = f"{hrs} hr {rem} min"
+        except Exception:
+            pass
+    return {
+        "local_time_label": LOCAL_TZ_LABEL,
+        "local_time_now": now_str,
+        "elapsed_since_last": elapsed_str,
+    }
+
+def get_intake_block(session_id: str | None) -> Tuple[str, Dict[str, Any]]:
+    ctx = fetch_intake_context(session_id)
+    temporal = build_temporal_snapshot(ctx.get("last_message_ts"))
+    # A short, ready-to-inject block for prompts:
+    intake_block = (
+        f"[Intake]\n"
+        f"Session: {ctx['session_id']}\n"
+        f"Exchanges: {ctx['exchange_count']}\n"
+        f"Local time ({temporal['local_time_label']}): {temporal['local_time_now']}\n"
+        f"Elapsed since last: {temporal['elapsed_since_last']}\n"
+        f"Recent summary: {ctx['summary_text'] or '(none)'}\n"
+    )
+    # Also return raw dicts if you want to use fields programmatically
+    return intake_block, {"intake": ctx, "temporal": temporal}