Add opt-in AURA trust-check adapter (integrations/aura)

integrations/aura/tests/fixtures.py

@@ -0,0 +1,94 @@
+"""
+Canned /check responses — one per verdict class.
+
+These are recorded shapes of real GET /check?did=... responses, used so the
+test suite runs offline with no network. Pass `make_fetch(...)` as the
+`_fetch` argument to aura_verdict / before_settle to replay them.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Callable
+
+# did -> recorded /check JSON body
+RECORDED: dict[str, dict[str, Any]] = {
+    "did:aura:trusted-bot": {
+        "did": "did:aura:trusted-bot",
+        "verdict": "trusted",
+        "reason": "strong on-chain track record (composite 0.86)",
+        "has_history": True,
+        "score": 0.86,
+        "interactions": 142,
+        "dimensions": {
+            "task_completion": 0.92,
+            "delivery_speed": 0.81,
+            "output_quality": 0.88,
+            "honesty": 0.90,
+            "financial_integrity": 0.95,
+            "security_compliance": 0.79,
+            "collaboration": 0.84,
+            "dispute_history": 0.83,
+        },
+    },
+    "did:aura:caution-bot": {
+        "did": "did:aura:caution-bot",
+        "verdict": "caution",
+        "reason": "mixed history (composite 0.55)",
+        "has_history": True,
+        "score": 0.55,
+        "interactions": 31,
+        "dimensions": {"financial_integrity": 0.41, "task_completion": 0.62},
+    },
+    "did:aura:risky-bot": {
+        "did": "did:aura:risky-bot",
+        "verdict": "high_risk",
+        "reason": "poor track record (composite 0.22)",
+        "has_history": True,
+        "score": 0.22,
+        "interactions": 18,
+        "dimensions": {"financial_integrity": 0.12, "dispute_history": 0.20},
+    },
+    "did:aura:fresh-bot": {
+        "did": "did:aura:fresh-bot",
+        "verdict": "new",
+        "reason": "registered identity, no interactions yet",
+        "has_history": False,
+        "score": None,
+        "interactions": 0,
+    },
+    "did:aura:ghost-bot": {
+        "did": "did:aura:ghost-bot",
+        "verdict": "unknown",
+        "reason": "no track record — unverified counterparty",
+        "has_history": False,
+        "score": None,
+        "interactions": 0,
+    },
+}
+
+
+def make_fetch(
+    table: dict[str, dict[str, Any]] | None = None,
+) -> Callable[[str, float], dict[str, Any]]:
+    """
+    Build a `_fetch` stand-in that replays RECORDED bodies by DID parsed from
+    the query string. Unknown DIDs replay the `unknown` body.
+    """
+    table = RECORDED if table is None else table
+
+    def _fetch(url: str, timeout: float) -> dict[str, Any]:
+        from urllib.parse import parse_qs, urlparse
+
+        did = parse_qs(urlparse(url).query).get("did", [""])[0]
+        return table.get(did, RECORDED["did:aura:ghost-bot"])
+
+    return _fetch
+
+
+def raising_fetch(exc: Exception) -> Callable[[str, float], dict[str, Any]]:
+    """Build a `_fetch` that always raises — simulates an unreachable AURA."""
+
+    def _fetch(url: str, timeout: float) -> dict[str, Any]:
+        raise exc
+
+    return _fetch