Add VedAstro service adapter skeleton

tests/test_vedastro_service_adapter_executor.py

@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_vedastro_service_adapter_executor_schema_is_declared() -> None:
+    completed = subprocess.run(
+        [sys.executable, "scripts/vedastro_service_adapter.py", "--print-schema"],
+        cwd=ROOT,
+        text=True,
+        capture_output=True,
+        timeout=120,
+        check=False,
+    )
+
+    assert completed.returncode == 0, completed.stderr or completed.stdout
+    report = json.loads(completed.stdout)
+    assert report["adapter"] == "vedastro_service_adapter"
+    assert report["transport"] == "http_json_service_boundary"
+    assert report["default_timeout_seconds"] >= 3
+    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"]
+
+
+def test_vedastro_service_adapter_returns_controlled_unconfigured_status() -> None:
+    completed = subprocess.run(
+        [sys.executable, "scripts/vedastro_service_adapter.py", "--case", "beijing_first_use_demo"],
+        cwd=ROOT,
+        text=True,
+        capture_output=True,
+        timeout=120,
+        check=False,
+    )
+
+    assert completed.returncode == 0, completed.stderr or completed.stdout
+    report = json.loads(completed.stdout)
+    assert report["backend"] == "vedastro_service_adapter_candidate"
+    assert report["available"] is False
+    assert report["status"] == "service_endpoint_not_configured"
+    assert "VEDASTRO" in report["reason"]
+
+
+def test_ephemeris_adapter_contract_can_call_vedastro_candidate_stub() -> None:
+    completed = subprocess.run(
+        [sys.executable, "scripts/ephemeris_adapter_contract.py", "vedastro_service_adapter_candidate"],
+        cwd=ROOT,
+        text=True,
+        capture_output=True,
+        timeout=120,
+        check=False,
+    )
+
+    assert completed.returncode == 0, completed.stderr or completed.stdout
+    report = json.loads(completed.stdout)
+    assert report["candidate_backend"] == "vedastro_service_adapter_candidate"
+    first = report["rows"][0]["candidate_backend"]
+    assert first["backend"] == "vedastro_service_adapter_candidate"
+    assert first["status"] == "service_endpoint_not_configured"