feat(skill): close dasha oracle target set

references/oracle/artifacts/pending_packets/external_template_historical_epoch_lahiri_pyjhora_20260627.json

@@ -0,0 +1,51 @@
+{
+  "capture_id": "external_template_historical_epoch_lahiri",
+  "status": "external_verified",
+  "case_id": "template_historical_epoch_lahiri",
+  "birth": {
+    "year": 1800,
+    "month": 1,
+    "day": 1,
+    "hour": 12,
+    "minute": 0,
+    "second": 0,
+    "lat": 28.6139,
+    "lon": 77.209,
+    "tz": 5.5
+  },
+  "settings": {
+    "ayanamsa": "lahiri",
+    "node_mode": "mean"
+  },
+  "required_metadata_fields": [
+    "tool_name",
+    "tool_version_or_url",
+    "capture_date",
+    "source_artifact",
+    "ayanamsa",
+    "node_mode",
+    "timezone",
+    "operator_note"
+  ],
+  "metadata": {
+    "tool_name": "PyJHora",
+    "tool_version_or_url": "PyJHora 4.8.7 isolated /tmp black-box run",
+    "capture_date": "2026-06-27",
+    "source_artifact": "references/oracle/artifacts/pyjhora_historical_epoch_dasha_stdout_20260627.txt",
+    "ayanamsa": "lahiri",
+    "node_mode": "PyJHora default",
+    "timezone": "UTC+05:30",
+    "operator_note": "Black-box stdout from isolated /tmp virtualenv. PyJHora AGPL code was not copied into this repository; only the generated output artifact is stored as external evidence."
+  },
+  "target_placeholders": {
+    "target.vimshottari_start_date": "1787-01-19"
+  },
+  "integrity_checks": {
+    "must_not_come_from_local_engine": true,
+    "requires_external_artifact": true,
+    "requires_status_external_verified_before_calibration": true,
+    "reject_global_shadbala_scaling": false
+  },
+  "promotion_status_after_fill": "external_verified",
+  "operator_goal": "Fill one external Vimshottari start date only."
+}

references/oracle/dasha_shadbala_oracle_cases.json

@@ -142,7 +142,7 @@
     },
     {
       "id": "template_historical_epoch_lahiri",
-      "status": "template_only",
+      "status": "external_verified",
       "source": "JHora/PyJHora offline tool",
       "privacy": "synthetic_historical_epoch_template",
       "birth": {
@@ -162,9 +162,23 @@
       },
       "target": {
         "sun_sidereal_longitude_deg": null,
-        "vimshottari_start_date": null
+        "vimshottari_start_date": "1787-01-19"
       },
-      "verification_note": "Historical epoch precision case; fill targets only from external tool output."
+      "verification_note": "Historical epoch precision case; fill targets only from external tool output.",
+      "evidence_packet": {
+        "capture_id": "external_template_historical_epoch_lahiri",
+        "status": "external_verified",
+        "metadata": {
+          "tool_name": "PyJHora",
+          "tool_version_or_url": "PyJHora 4.8.7 isolated /tmp black-box run",
+          "capture_date": "2026-06-27",
+          "source_artifact": "references/oracle/artifacts/pyjhora_historical_epoch_dasha_stdout_20260627.txt",
+          "ayanamsa": "lahiri",
+          "node_mode": "PyJHora default",
+          "timezone": "UTC+05:30",
+          "operator_note": "Black-box stdout from isolated /tmp virtualenv. PyJHora AGPL code was not copied into this repository; only the generated output artifact is stored as external evidence."
+        }
+      }
     }
   ],
   "dasha_cases": [

references/skill_gap_truth_registry.json

@@ -12,15 +12,15 @@
     "dasha_external_oracle": {
       "title": "Dasha external oracle",
       "priority": "P0",
-      "status": "active_partial_external_evidence",
-      "current_truth": "Dasha engines are usable and Dasha-only external oracle evidence is partially closed at 2/3 packets; exact start dates, balance periods and sub-period boundaries cannot be called fully closed until the remaining packet and multi-family comparisons pass validation.",
+      "status": "active_target_set_closed",
+      "current_truth": "Dasha engines are usable and the current Dasha-only external oracle target set is closed at 3/3 packets; exact start dates beyond this target set, balance periods, sub-period boundaries and multi-family comparisons still need expansion before claiming software-grade Dasha timing accuracy.",
       "completion_standard": [
         "All current Dasha-only external_verified packets are accepted by scripts/dasha_oracle_evidence_validator.py.",
         "Multiple Dasha families have versioned boundary comparisons.",
         "Differences between local output and external oracle output are documented without production tuning from local data."
       ],
       "forbidden_claims": [
-        "Dasha external oracle alone is complete",
+        "Dasha external oracle alone proves global timing accuracy",
         "Exact Dasha dates are perfectly calibrated",
         "One local chart output proves software-grade timing accuracy"
       ],