diff --git a/scripts/vedastro_service_adapter.py b/scripts/vedastro_service_adapter.py
index d1ad66c8..8e7961cf 100644
--- a/scripts/vedastro_service_adapter.py
+++ b/scripts/vedastro_service_adapter.py
@@ -57,13 +57,25 @@ PARITY_CASES = {
     },
 }
 
+DEFAULT_TIMEOUT_SECONDS = 8
+RETRY_POLICY = {
+    "max_attempts": 2,
+    "backoff_seconds": 1,
+    "retry_on": ["timeout", "429", "502", "503", "504"],
+}
+
 
 def schema() -> dict[str, Any]:
+    request_example = {
+        **PARITY_CASES["beijing_first_use_demo"],
+        "body_list": ["Sun", "Moon", "Ascendant", "Rahu", "Ketu"],
+    }
     return {
         "adapter": "vedastro_service_adapter",
         "backend": "vedastro_service_adapter_candidate",
         "transport": "http_json_service_boundary",
-        "default_timeout_seconds": 8,
+        "default_timeout_seconds": DEFAULT_TIMEOUT_SECONDS,
+        "retry_policy": RETRY_POLICY,
         "required_env": {
             "endpoint": "VEDASTRO_API_ENDPOINT",
             "api_key_optional": "VEDASTRO_API_KEY",
@@ -91,6 +103,17 @@ def schema() -> dict[str, Any]:
             "bodies",
             "source_metadata",
         ],
+        "request_example": request_example,
+        "provenance_contract": {
+            "external_service": True,
+            "required_fields": [
+                "endpoint",
+                "transport",
+                "provenance_mode",
+                "retry_policy",
+                "timeout_seconds",
+            ],
+        },
     }
 
 
@@ -104,6 +127,9 @@ def _unconfigured(reason: str) -> dict[str, Any]:
             "transport": "http_json_service_boundary",
             "endpoint_env": "VEDASTRO_API_ENDPOINT",
             "api_key_env": "VEDASTRO_API_KEY",
+            "provenance_mode": "external_service_candidate",
+            "timeout_seconds": DEFAULT_TIMEOUT_SECONDS,
+            "retry_policy": RETRY_POLICY,
         },
     }
 
@@ -135,6 +161,8 @@ def run_case(case_id: str) -> dict[str, Any]:
             "transport": "http_json_service_boundary",
             "endpoint": endpoint,
             "provenance_mode": "external_service_candidate",
+            "timeout_seconds": DEFAULT_TIMEOUT_SECONDS,
+            "retry_policy": RETRY_POLICY,
         },
     }
 
diff --git a/tests/test_vedastro_service_adapter_executor.py b/tests/test_vedastro_service_adapter_executor.py
index 61e900cd..e3fce738 100644
--- a/tests/test_vedastro_service_adapter_executor.py
+++ b/tests/test_vedastro_service_adapter_executor.py
@@ -24,10 +24,15 @@ def test_vedastro_service_adapter_executor_schema_is_declared() -> None:
     assert report["adapter"] == "vedastro_service_adapter"
     assert report["transport"] == "http_json_service_boundary"
     assert report["default_timeout_seconds"] >= 3
+    assert report["retry_policy"]["max_attempts"] >= 1
+    assert report["retry_policy"]["backoff_seconds"] >= 0
     assert "endpoint" in report["required_env"]
     assert "ayanamsa_policy" in report["request_contract"]
     assert "bodies" in report["response_contract"]
     assert "source_metadata" in report["response_contract"]
+    assert "request_example" in report
+    assert report["provenance_contract"]["external_service"] is True
+    assert "endpoint" in report["provenance_contract"]["required_fields"]
 
 
 def test_vedastro_service_adapter_returns_controlled_unconfigured_status() -> None:
@@ -46,6 +51,9 @@ def test_vedastro_service_adapter_returns_controlled_unconfigured_status() -> No
     assert report["available"] is False
     assert report["status"] == "service_endpoint_not_configured"
     assert "VEDASTRO" in report["reason"]
+    assert report["source_metadata"]["transport"] == "http_json_service_boundary"
+    assert report["source_metadata"]["retry_policy"]["max_attempts"] >= 1
+    assert report["source_metadata"]["provenance_mode"] == "external_service_candidate"
 
 
 def test_ephemeris_adapter_contract_can_call_vedastro_candidate_stub() -> None: