atlasbot: simplify fast path

services/comms/scripts/atlasbot/bot.py

@@ -3605,10 +3605,33 @@ def _open_ended_multi(
 
 def _open_ended_total_steps(mode: str) -> int:
     if mode == "fast":
-        return 4
+        return 2
     return 7
 
 
+def _open_ended_fast_single(
+    prompt: str,
+    *,
+    fact_pack: str,
+    history_lines: list[str],
+    state: ThoughtState | None = None,
+    model: str,
+) -> str:
+    if state:
+        state.update("drafting", step=2, note="summarizing")
+    context = fact_pack
+    reply = _ollama_call(
+        ("atlasbot_fast", "atlasbot_fast"),
+        prompt,
+        context=context,
+        use_history=False,
+        model=model,
+    )
+    if state:
+        state.update("done", step=_open_ended_total_steps("fast"))
+    return _ensure_scores(reply)
+
+
 def _open_ended_fast(
     prompt: str,
     *,
@@ -3618,14 +3641,13 @@ def _open_ended_fast(
     history_lines: list[str],
     state: ThoughtState | None = None,
 ) -> str:
-    return _open_ended_multi(
+    model = _model_for_mode("fast")
+    return _open_ended_fast_single(
         prompt,
         fact_pack=fact_pack,
-        fact_lines=fact_lines,
-        fact_meta=fact_meta,
         history_lines=history_lines,
-        mode="fast",
         state=state,
+        model=model,
     )