Prioritize investigation hypotheses by confidence after bootstrap

src/viano_bug_analysis/analysis/investigation_scheduler.py

@@ -0,0 +1,27 @@
+"""Deterministic scheduling, independent of model calls and budget accounting."""
+
+CONFIDENCE_ORDER = {
+    'strongly_supported': 5,
+    'supported': 4,
+    'plausible': 3,
+    'unassessed': 2,
+    'weak': 1,
+    'weakened': 0,
+}
+
+
+def priority_order(hypotheses):
+    """One bootstrap turn each, then confidence with numeric ID tie-breaking.
+
+    Eligibility, pending-action checks and iteration/budget limits remain the
+    controller's responsibility. An interrupted active turn is never rescheduled.
+    These ranks order qualitative levels; they are not confidence probabilities.
+    """
+    ids = sorted(hypotheses, key=lambda hid:int(hid[1:]))
+    positions = {hid:index for index,hid in enumerate(ids)}
+    def rank(hid):
+        hypothesis = hypotheses[hid]
+        return (0 if hypothesis['iterations']==0 else 1,
+                0 if hypothesis['iterations']==0 else -CONFIDENCE_ORDER[hypothesis['confidence']],
+                int(hid[1:]))
+    return [(positions[hid],hid) for hid in sorted(ids,key=rank)]

src/viano_bug_analysis/analysis/investigator.py

@@ -239,8 +239,9 @@ class Investigator:
             snapshot=budget.snapshot(case_id,package_id)
             ids=sorted(state["hypotheses"],key=lambda value:int(value[1:]))
             selected=None
-            for offset in range(len(ids)):
-                pos=(state["cursor"]+offset)%len(ids);hid=ids[pos];h=state["hypotheses"][hid];account=snapshot.state["accounts"][hid]
+            from .investigation_scheduler import priority_order
+            for pos,hid in priority_order(state['hypotheses']):
+                h=state["hypotheses"][hid];account=snapshot.state["accounts"][hid]
                 if h["disposition"]!="active":continue
                 if any(a["status"]!="settled" for a in account["actions"].values()) and h["last_record_ref"] is None:
                     raise InvestigationError("INVESTIGATION_UNOWNED_PENDING_ACTION")