feat(upstream): snapshot a6f47abd, REST VedAstro path, and 116-technique truth layer

Advance the one-way import to git commit a6f47abd with consultation keypath golden, switch official VedAstro comparison to the REST Calculate bridge, and receive the 25 new registry entries behind research_only_blocked.

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

tests/test_cli_smoke.py

@@ -409,7 +409,8 @@ def test_full_reading_reports_ayanamsa_metadata_and_ai_prompt_pack() -> None:
     assert "domain_statuses" in vedastro_rows[0]["note"]
     capability_pool = prompt_pack["evidence_snapshot"]["capability_evidence_pool"]
     assert capability_pool["scope"] == "backend_capability_evidence_pool"
-    assert capability_pool["total_entries"] == 91
+    # 原值＝91；新值＝116。原因＝任务 1 接收上游 25 项注册表。
+    assert capability_pool["total_entries"] == 116
     assert capability_pool["conclusion_policy"]["all_89_entries_must_not_be_flattened_into_conclusions"] is True
     assert "后台备选证据池" in prompt_pack["prompt_zh"]