fix(web): drive rectification from candidate contrast and allow range close

Showing a choice card is no longer treated as completion. Distinguish probes
require real candidate groups, holdout stays out of scoring, and ordinary
sessions can finish with a credible range instead of an exact-minute gate.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/rectification/refinement_packet.py

@@ -554,15 +554,54 @@ def build_refinement_packet(
     ledger = event_dasha_ledger(request, built, representative_time)
     agreement = dasha_agreement(built, candidate_times)
     stage = precision_stage(cluster, len(request.get("events") or []))
-    from scripts.rectification.event_probes import discriminating_event_probes
+    from scripts.rectification.candidate_contrast import PROBE_PHASE_HOLDOUT_VALIDATION, event_year
+    from scripts.rectification.case_holdout import reserved_holdout_events
+    from scripts.rectification.event_probes import (
+        candidate_contrast_opportunities,
+        discriminating_event_probes,
+        event_clarification_probes,
+        evidence_collection_probes,
+    )
+    grid_times = list(built.get("candidate_times") or candidate_times)
     probes = discriminating_event_probes(
         request,
         built,
-        scan=cluster,
-        candidate_times=candidate_times,
+        scan=scan,
+        candidate_times=grid_times,
         representative_time=representative_time,
         precision_current=str(stage.get("current") or "") or None,
     )
+    clarification = event_clarification_probes(request)
+    collection = evidence_collection_probes(request)
+    opportunities = candidate_contrast_opportunities(
+        request,
+        built,
+        scan=scan,
+        candidate_times=grid_times,
+        representative_time=representative_time,
+    )
+    reserved = reserved_holdout_events(request.get("events") or [])
+    holdout = [
+        {
+            "phase": PROBE_PHASE_HOLDOUT_VALIDATION,
+            "role": "holdout",
+            "source": "reserved_event",
+            "domain": str(event.get("domain") or ""),
+            "year": event_year(event),
+            "event_id": str(event.get("id") or ""),
+        }
+        for event in reserved
+        if event_year(event) is not None
+    ]
+    holdout.extend(
+        {
+            **prompt,
+            "phase": PROBE_PHASE_HOLDOUT_VALIDATION,
+            "role": "holdout",
+            "source": "oos_blind",
+        }
+        for prompt in oos_blind_prompts(request)
+    )
     return {
         "window_scan": scan,
         "event_dasha_ledger": ledger,
@@ -573,6 +612,10 @@ def build_refinement_packet(
         "precision_stage": stage,
         "oos_blind_prompts": oos_blind_prompts(request),
         "discriminating_event_probes": probes,
+        "event_clarification_probes": clarification,
+        "evidence_collection_probes": collection,
+        "candidate_contrast_opportunities": opportunities,
+        "holdout_validation_probes": holdout,
         "unique_minute_claim": False,
         "confirmation_allowed": False,
     }