diff --git a/backend/app/services/openclaw/provisioning_db.py b/backend/app/services/openclaw/provisioning_db.py
index 15f8e6849..3d910733f 100644
--- a/backend/app/services/openclaw/provisioning_db.py
+++ b/backend/app/services/openclaw/provisioning_db.py
@@ -168,7 +168,8 @@ async def ensure_board_lead_agent(
             )
         ).first()
         if existing:
-            desired_name = config_options.agent_name or self.lead_agent_name(board)
+            default_name = self.lead_agent_name(board)
+            desired_name = config_options.agent_name or existing.name or default_name
             changed = False
             if existing.name != desired_name:
                 existing.name = desired_name
diff --git a/backend/tests/test_provisioning_db_lead_agent.py b/backend/tests/test_provisioning_db_lead_agent.py
new file mode 100644
index 000000000..875c51220
--- /dev/null
+++ b/backend/tests/test_provisioning_db_lead_agent.py
@@ -0,0 +1,146 @@
+# ruff: noqa: S101
+"""Unit tests for board-lead provisioning name behavior."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from typing import Any
+from uuid import UUID, uuid4
+
+import pytest
+
+import app.services.openclaw.provisioning_db as provisioning_db
+from app.models.agents import Agent
+from app.models.boards import Board
+from app.models.gateways import Gateway
+from app.services.openclaw.gateway_rpc import GatewayConfig as GatewayClientConfig
+from app.services.openclaw.provisioning_db import (
+    LeadAgentOptions,
+    LeadAgentRequest,
+    OpenClawProvisioningService,
+)
+
+
+class _ExecResult:
+    def __init__(self, value: Agent | None) -> None:
+        self._value = value
+
+    def first(self) -> Agent | None:
+        return self._value
+
+
+@dataclass
+class _FakeSession:
+    existing: Agent | None
+    commits: int = 0
+    added: list[object] = field(default_factory=list)
+    refreshed: list[object] = field(default_factory=list)
+
+    async def exec(self, _statement: object) -> _ExecResult:
+        return _ExecResult(self.existing)
+
+    def add(self, value: object) -> None:
+        self.added.append(value)
+
+    async def commit(self) -> None:
+        self.commits += 1
+
+    async def refresh(self, value: object) -> None:
+        self.refreshed.append(value)
+
+
+def _board() -> Board:
+    organization_id = uuid4()
+    gateway_id = uuid4()
+    return Board(
+        id=uuid4(),
+        organization_id=organization_id,
+        gateway_id=gateway_id,
+        name="Roadmap",
+        slug="roadmap",
+    )
+
+
+def _gateway(*, organization_id: UUID) -> Gateway:
+    return Gateway(
+        id=uuid4(),
+        organization_id=organization_id,
+        name="Gateway",
+        url="ws://gateway.example/ws",
+        workspace_root="/tmp/openclaw",
+    )
+
+
+def _request(
+    *,
+    board: Board,
+    gateway: Gateway,
+    options: LeadAgentOptions | None = None,
+) -> LeadAgentRequest:
+    return LeadAgentRequest(
+        board=board,
+        gateway=gateway,
+        config=GatewayClientConfig(url=gateway.url, token=None),
+        user=None,
+        options=options or LeadAgentOptions(),
+    )
+
+
+@pytest.mark.asyncio
+async def test_ensure_board_lead_agent_preserves_existing_custom_name_without_override() -> None:
+    board = _board()
+    gateway = _gateway(organization_id=board.organization_id)
+    existing = Agent(
+        id=uuid4(),
+        board_id=board.id,
+        gateway_id=gateway.id,
+        name="Roadmap Captain",
+        is_board_lead=True,
+        openclaw_session_id=OpenClawProvisioningService.lead_session_key(board),
+    )
+    session = _FakeSession(existing=existing)
+    service = OpenClawProvisioningService(session)  # type: ignore[arg-type]
+
+    lead, created = await service.ensure_board_lead_agent(
+        request=_request(board=board, gateway=gateway),
+    )
+
+    assert created is False
+    assert lead.name == "Roadmap Captain"
+    assert session.commits == 0
+
+
+@pytest.mark.asyncio
+async def test_ensure_board_lead_agent_defaults_new_lead_name_when_none_provided(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    board = _board()
+    gateway = _gateway(organization_id=board.organization_id)
+    session = _FakeSession(existing=None)
+    service = OpenClawProvisioningService(session)  # type: ignore[arg-type]
+    captured: dict[str, Any] = {}
+
+    monkeypatch.setattr(provisioning_db, "mint_agent_token", lambda _agent: "raw-token")
+
+    class _FakeOrchestrator:
+        def __init__(self, _session: object) -> None:
+            captured["session"] = _session
+
+        async def run_lifecycle(self, **kwargs: Any) -> Agent:
+            captured["kwargs"] = kwargs
+            agent = next(item for item in session.added if isinstance(item, Agent))
+            return agent
+
+    monkeypatch.setattr(provisioning_db, "AgentLifecycleOrchestrator", _FakeOrchestrator)
+
+    lead, created = await service.ensure_board_lead_agent(
+        request=_request(board=board, gateway=gateway),
+    )
+
+    assert created is True
+    assert lead.name == "Lead Agent"
+    assert lead.is_board_lead is True
+    assert lead.openclaw_session_id == OpenClawProvisioningService.lead_session_key(board)
+    assert session.commits == 1
+    assert captured["session"] is session
+    assert captured["kwargs"]["auth_token"] == "raw-token"