feat(agents): Phase 8.4-10.5 built-in plugins, bundled skills, coordinator

backend/app/agents/isolation/session_isolation.py

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+from __future__ import annotations
+
+from typing import Any
+from uuid import uuid4
+
+from app.agents.isolation.strategy_selector import IsolationDecision
+
+
+def prepare_session_isolation(
+    *,
+    state: dict[str, Any],
+    decision: IsolationDecision,
+    role_value: str,
+    sub_commander: str,
+) -> dict[str, Any]:
+    isolation_id = f"session-{uuid4().hex[:8]}"
+    return {
+        "mode": "session",
+        "isolation_id": isolation_id,
+        "workspace_path": None,
+        "parent_conversation_id": str(state.get("conversation_id") or "") or None,
+        "metadata": {
+            **dict(decision.metadata or {}),
+            "reason": decision.reason,
+            "role": role_value,
+            "sub_commander": sub_commander,
+            "tool_names": list(decision.tool_names),
+            "capability_ids": list(decision.capability_ids),
+            "status": "active",
+        },
+    }