feat(agent): integrate procurement AI agent with Bale bot, real-time draft sync, and git history bundle

ai procurement/app/handlers/links.py

@@ -0,0 +1,46 @@
+"""Casdoor linking: chat ↔ ERP user (validated through the real login endpoint)."""
+import logging
+
+from app.api.client import ApiError
+from app.runtime import ROLE_FA
+from app.texts import LINK_ASK_PASSWORD, LINK_FAIL, LINK_OK, esc
+
+logger = logging.getLogger("bot.links")
+
+
+async def finish_username_step(ctx, chat_id: int, flow, text: str) -> None:
+    username = (text or "").strip()
+    if not username or username.startswith("/"):
+        ctx.pending.pop(chat_id)
+        return
+    flow.kind = "link_password"
+    flow.data["username"] = username
+    await ctx.send(chat_id, LINK_ASK_PASSWORD)
+
+
+async def finish_link(ctx, chat_id: int, flow, text: str | None, password: str) -> None:
+    username = flow.data.get("username") or ""
+    ctx.pending.pop(chat_id)
+    if not password or password.startswith("/"):
+        return
+    try:
+        data = await ctx.api.login(username, password)
+    except ApiError as exc:
+        await ctx.send(chat_id, LINK_FAIL.format(detail=esc(exc.message)))
+        return
+    except Exception as exc:  # network etc.
+        logger.exception("login failed")
+        await ctx.send(chat_id, LINK_FAIL.format(detail=esc(str(exc)[:200])))
+        return
+
+    user = data.get("user") or {}
+    display = " ".join(x for x in [user.get("first_name"), user.get("last_name")] if x) or username
+    await ctx.links.upsert(
+        chat_id=chat_id,
+        user_id=user.get("id"),
+        username=username,
+        display_name=display,
+        role=user.get("role"),
+    )
+    role_fa = ROLE_FA.get(user.get("role") or "", user.get("role") or "بدون نقش")
+    await ctx.send(chat_id, LINK_OK.format(name=esc(display), role=role_fa))