fix(rectification): offer representative time once event-fit is enough

Keep unique-top and width on confirmation only, and stop lagna-frame follow-ups from blocking cards on an already-scored cluster.

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

tests/test_rectification_refinement_packet.py

@@ -5,6 +5,7 @@ import unittest
 from scripts.rectification.decision_policy import build_candidate_decisions, build_decision_receipt
 from scripts.rectification.refinement_packet import (
     build_refinement_packet,
+    cluster_scan,
     dasha_agreement,
     match_level,
     precision_stage,
@@ -145,6 +146,32 @@ class RefinementPacketTest(unittest.TestCase):
         self.assertEqual(ready["current"], "ready_to_adopt")
         self.assertFalse(ready["unique_minute_claim"])
 
+    def test_precision_stage_uses_candidate_cluster_not_full_declared_range(self):
+        built = {
+            "static_contexts": [
+                feature("12:00", d1=3, d9=1, d10=4),
+                feature("13:37", d1=4, d9=1, d10=4),
+                feature("15:50", d1=4, d9=1, d10=4),
+                feature("15:51", d1=4, d9=1, d10=4),
+                feature("16:03", d1=5, d9=1, d10=4),
+            ]
+        }
+        scan = window_scan(built)
+        self.assertEqual(scan["d1_lagna_count"], 3)
+        self.assertTrue(scan["d1_candidates_differ"])
+        cluster = cluster_scan(built, ["15:50", "15:51"], "15:50", 14)
+        self.assertEqual(cluster["d1_lagna_count"], 1)
+        self.assertFalse(cluster["d1_candidates_differ"])
+        packet = build_refinement_packet(
+            request_events(),
+            built,
+            representative_time="15:50",
+            candidate_times=["15:50", "15:51"],
+            cluster_width_minutes=14,
+        )
+        self.assertEqual(packet["window_scan"]["d1_lagna_count"], 3)
+        self.assertNotEqual(packet["precision_stage"]["current"], "lagna_frame")
+
     def test_window_scan_reports_d24_and_fine_minute_changes_without_unique_claim(self):
         scan = window_scan({
             "static_contexts": [