Add control residual options table with liquidity-only manual close.

Fleet status exposes enriched residuals; manual close skips the premium recovery gate while auto mid-close remains unchanged.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/api/fleet.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import asyncio
 import hashlib
 import hmac
 import logging
@@ -233,6 +234,12 @@ async def fleet_status(_tok: Annotated[str, Depends(require_fleet_token)]) -> di
         except Exception:
             latest_funds = 0.0
 
+    residuals: list[dict] = []
+    try:
+        residuals = get_engine().matcher.list_residual_options_enriched()
+    except Exception:
+        residuals = []
+
     return {
         "ok": True,
         "mode": settings.mode,
@@ -240,6 +247,7 @@ async def fleet_status(_tok: Annotated[str, Depends(require_fleet_token)]) -> di
         "exchange": exchange_name,
         "sim": settings.is_sim,
         "latest_funds": latest_funds,
+        "residuals": residuals,
         "market_connected": bool(snap.connected) if snap else False,
         "pair": snap.pair.to_dict() if snap and snap.pair else None,
         "index_px": (
@@ -315,6 +323,31 @@ async def fleet_pause(_tok: Annotated[str, Depends(require_fleet_token)]) -> dic
     return await get_engine().pause()
 
 
+class ResidualCloseBody(BaseModel):
+    group_id: str = Field(min_length=1, max_length=128)
+
+
+@router.post("/residual/close")
+async def fleet_residual_close(
+    body: ResidualCloseBody,
+    _tok: Annotated[str, Depends(require_fleet_token)],
+) -> dict:
+    """中控手动平单条残留：只验流动性，不验权利金回收比例。"""
+    matcher = get_engine().matcher
+    result = await asyncio.to_thread(matcher.close_residual_manual, body.group_id)
+    if not result.ok:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail=result.detail or "平残留失败",
+        )
+    return {
+        "ok": True,
+        "detail": result.detail,
+        "data": result.data,
+        "liquidity_wait": result.liquidity_wait,
+    }
+
+
 @router.post("/issue-login")
 async def fleet_issue_login(_tok: Annotated[str, Depends(require_fleet_token)]) -> dict:
     username, _ = get_credentials()