build(agent): new-agents-4#58ba63 iteration

equicompiler_algebraic_portfolio_dsl_to_/adapters/__init__.py

@@ -0,0 +1,9 @@
+"""Adapter package for EquiCompiler MVP.
+
+This module initializes the adapters subpackage. It currently contains
+lightweight skeletons for a DataFeedAdapter and a BrokerAdapter that
+are intended to be extended in later MVP phases. They provide a minimal
+contract-based interface to plug into the GoC registry.
+"""
+
+__all__ = ["data_feed_adapter", "broker_adapter"]

equicompiler_algebraic_portfolio_dsl_to_/adapters/data_feed_adapter.py

@@ -1,30 +1,39 @@
-"""Starter Data Feed Adapter for EquiCompiler GoC workflow.
-
-This is a minimal, self-contained adapter that can be registered with the
-GoC registry. It serves as a playground for plug-and-play interoperability
-between adapters and the EquiIR representation.
-"""
+"""Lightweight Data Feed Adapter skeleton for MVP."""
 
 from __future__ import annotations
 
-try:
-    from .broker_adapter import register as _register_broker  # type: ignore
-except Exception:
-    _register_broker = None  # pragma: no cover
+from typing import Dict, Any
 
+class DataFeedAdapter:
+    """
+    Minimal data-feed adapter interface.
+    - connect: establish connection to feed
+    - fetch: retrieve latest market data snapshot (stubbed)
+    - contract_metadata: provide a minimal contract descriptor for replay/audit
+    """
 
-def register(registry):  # pragma: no cover
-    """Register this data-feed adapter with the provided registry."""
-    if registry is None:
-        return
-    registry.register(
-        name="mock-data-feed",
-        contract={
-            "type": "data-feed",
+    def __init__(self, config: Dict[str, Any] | None = None) -> None:
+        self.config = config or {}
+        self.connected = False
+
+    def connect(self) -> bool:
+        """Pretend to establish a connection to a data feed."""
+        self.connected = True
+        return self.connected
+
+    def fetch(self) -> Dict[str, Any]:
+        """Return a small mock data payload suitable for tests."""
+        if not self.connected:
+            raise RuntimeError("DataFeedAdapter not connected")
+        return {
+            "timestamp": "2026-01-01T00:00:00Z",
+            "prices": {"AAPL": 150.0, "MSFT": 300.0, "GOOG": 2800.0},
+        }
+
+    def contract_metadata(self) -> Dict[str, Any]:
+        """Return a minimal descriptor for the feed's contract surface."""
+        return {
+            "feed_name": "mock",
             "version": "0.1",
-            "description": "Mock data feed for prices and signals",
-            "contracts": [
-                {"name": "prices", "provider": "mock"},
-            ],
-        },
-    )
+            "description": "Lightweight mock data feed for MVP tests",
+        }