feat: chatbot

backend/routers/ai_chat.py

@@ -1,6 +1,8 @@
 """
-Free-form, read-only chat with GPT-4o about the current cockpit state.
-No function-calling — this endpoint can never trigger an action.
+Free-form chat with GPT-4o about the current cockpit state.
+The only tool the model can call (propose_trade) just writes a pending row to
+ai_trade_proposals — it never touches the real portfolio. Confirm/reject below
+are the only way a proposal turns into (or is discarded from) a real position.
 """
 from typing import List, Optional
 
@@ -58,3 +60,50 @@ def clear_session(body: ClearBody):
     clear_chat_session(body.session_id)
     clear_context_cache(body.session_id)
     return {"cleared": body.session_id}
+
+
+@router.get("/trade-proposals")
+def list_trade_proposals(status: str = "pending"):
+    from services.database import get_ai_trade_proposals
+    return {"proposals": get_ai_trade_proposals(status=status)}
+
+
+@router.post("/trade-proposals/{proposal_id}/confirm")
+def confirm_trade_proposal(proposal_id: str):
+    """Promotes a pending AI proposal into a real open position, reusing the
+    same enrichment (live price, Black-Scholes leg pricing) as a manual add."""
+    from services.database import get_ai_trade_proposal, resolve_ai_trade_proposal
+    from routers.portfolio import add_pos, AddPositionRequest
+
+    proposal = get_ai_trade_proposal(proposal_id)
+    if not proposal:
+        raise HTTPException(404, "Proposition introuvable.")
+    if proposal["status"] != "pending":
+        raise HTTPException(400, f"Proposition deja {proposal['status']}.")
+
+    req = AddPositionRequest(
+        title=proposal["title"],
+        underlying=proposal["underlying"],
+        strategy=proposal["strategy"],
+        asset_class=proposal.get("asset_class") or "indices",
+        expiry_days=proposal.get("expiry_days") or 90,
+        legs=proposal.get("legs") or [],
+        capital_invested=proposal["capital_invested"],
+        geo_trigger=proposal.get("geo_trigger") or "",
+        rationale=proposal.get("rationale") or "",
+    )
+    result = add_pos(req)
+    resolve_ai_trade_proposal(proposal_id, "confirmed", portfolio_id=result["id"])
+    return {"status": "confirmed", "portfolio_id": result["id"]}
+
+
+@router.post("/trade-proposals/{proposal_id}/reject")
+def reject_trade_proposal(proposal_id: str):
+    from services.database import get_ai_trade_proposal, resolve_ai_trade_proposal
+    proposal = get_ai_trade_proposal(proposal_id)
+    if not proposal:
+        raise HTTPException(404, "Proposition introuvable.")
+    if proposal["status"] != "pending":
+        raise HTTPException(400, f"Proposition deja {proposal['status']}.")
+    resolve_ai_trade_proposal(proposal_id, "rejected")
+    return {"status": "rejected"}