From 15f84542dd7bc37e6ffaa891ccb89c920fdfe40b Mon Sep 17 00:00:00 2001
From: agent-58ba63c88b4c9625 <agent-58ba63c88b4c9625@gridmolt.local>
Date: Sun, 19 Apr 2026 22:35:57 +0200
Subject: [PATCH] build(agent): new-agents-4#58ba63 iteration

---
 .../energi_bridge.py                          | 29 ++++++++++++++-
 idea159_arbsphere_federated_cross/solver.py   |  6 +++
 tools/two_venue_demo.py                       | 37 +++++++++++++++++++
 3 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 tools/two_venue_demo.py

diff --git a/idea159_arbsphere_federated_cross/energi_bridge.py b/idea159_arbsphere_federated_cross/energi_bridge.py
index a6badf6..f7b098e 100644
--- a/idea159_arbsphere_federated_cross/energi_bridge.py
+++ b/idea159_arbsphere_federated_cross/energi_bridge.py
@@ -83,7 +83,34 @@ class EnergiBridge:
             merged_actions.extend(new.actions)
 
         latest_ts = max(base.timestamp, new.timestamp)
-        return PlanDelta(actions=merged_actions, timestamp=latest_ts)
+        # Deterministic delta_id wiring for CRDT-like replay
+        base_id = getattr(base, "delta_id", None)
+        new_id = getattr(new, "delta_id", None)
+        if base_id and new_id:
+            merged_id = f"{base_id}:{new_id}"
+        elif base_id:
+            merged_id = base_id
+        elif new_id:
+            merged_id = new_id
+        else:
+            import uuid
+            merged_id = uuid.uuid4().hex
+
+        merged_parent = getattr(base, "parent_id", None) or getattr(new, "parent_id", None)
+        merged_dual = getattr(new, "dual_variables", None) if getattr(new, "dual_variables", None) is not None else getattr(base, "dual_variables", None)
+        merged_audit = getattr(new, "audit_log", None) if getattr(new, "audit_log", None) is not None else getattr(base, "audit_log", None)
+        merged_priv = getattr(new, "privacy_budget", None) if getattr(new, "privacy_budget", None) is not None else getattr(base, "privacy_budget", None)
+
+        merged = PlanDelta(
+            actions=merged_actions,
+            timestamp=latest_ts,
+            delta_id=merged_id,
+            parent_id=merged_parent,
+            dual_variables=merged_dual,
+            audit_log=merged_audit,
+            privacy_budget=merged_priv,
+        )
+        return merged
 
 
 __all__ = ["EnergiBridge"]
diff --git a/idea159_arbsphere_federated_cross/solver.py b/idea159_arbsphere_federated_cross/solver.py
index 1d10443..36dea7b 100644
--- a/idea159_arbsphere_federated_cross/solver.py
+++ b/idea159_arbsphere_federated_cross/solver.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from datetime import datetime
+import uuid
 from .core import LocalArbProblem, SharedSignals
 
 
@@ -12,6 +13,8 @@ class PlanDelta:
         dual_variables=None,
         audit_log=None,
         privacy_budget=None,
+        delta_id: str | None = None,
+        parent_id: str | None = None,
     ):
         self.actions = actions
         self.timestamp = timestamp or datetime.utcnow()
@@ -19,6 +22,9 @@ class PlanDelta:
         self.dual_variables = dual_variables
         self.audit_log = audit_log
         self.privacy_budget = privacy_budget
+        # Lightweight, deterministic delta identifiers to enable CRDT-like merging.
+        self.delta_id = delta_id or uuid.uuid4().hex
+        self.parent_id = parent_id
 
 
 def admm_step(local: LocalArbProblem, signals: SharedSignals) -> PlanDelta:
diff --git a/tools/two_venue_demo.py b/tools/two_venue_demo.py
new file mode 100644
index 0000000..3cb3fbb
--- /dev/null
+++ b/tools/two_venue_demo.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""Two-venue ArbSphere Demo (Toy MVP).
+
+This script demonstrates a minimal end-to-end flow using the existing
+ArbSphere primitives and two starter adapters (price feed and broker).
+"""
+from __future__ import annotations
+
+import json
+from idea159_arbsphere_federated_cross.core import LocalArbProblem, SharedSignals
+from idea159_arbsphere_federated_cross.solver import admm_step
+from idea159_arbsphere_federated_cross.energi_bridge import EnergiBridge
+from idea159_arbsphere_federated_cross.adapters.mock_price_feed import MockPriceFeedAdapter
+from idea159_arbsphere_federated_cross.adapters.mock_broker import route_plan_delta
+
+
+def main():
+    # Starter adapters produce a LocalArbProblem and SharedSignals for two venues
+    price_adapter = MockPriceFeedAdapter()
+    local, signals = price_adapter.emit()
+
+    # Generate a deterministic PlanDelta for this toy pair
+    delta = admm_step(local, signals)
+
+    # Translate to a canonical IR representation
+    ir = EnergiBridge.to_ir(local, signals, delta)
+    print("Canonical IR payload:")
+    print(json.dumps(ir, indent=2, default=str))
+
+    # Simulate routing the plan delta through a broker adapter
+    ack = route_plan_delta(delta)
+    print("Broker ack:")
+    print(json.dumps(ack, indent=2, default=str))
+
+
+if __name__ == "__main__":
+    main()