fix: resolve typescript configs and finish merge

README.md

@@ -1,3 +1,4 @@
+
 # Procurement Stack v1.3 — Dockerized (PostgreSQL + FastAPI + React + MinIO)
 
 Self-contained ship package: everything needed to run the stack is in this
@@ -12,19 +13,22 @@ folder — no external files or sibling folders required.
 | **frontend** | `procurement-frontend` | React 19 + Vite, served by nginx (internal) | via Traefik |
 | **traefik** | `procurement-traefik` | Traefik v3 — public reverse proxy (edge) | `80` (web), `443` (websecure) |
 
+
 ```
+
 Browser ──► Traefik :80 (edge)
-                │
+│
-                ├── Host(localhost) ──► frontend (nginx SPA :80)
+├── Host(localhost) ──► frontend (nginx SPA :80)
-                │                            │
+│                            │
-                │                            └── /api/* proxy ──► api :8000 (/api/v1)
+│                            └── /api/* proxy ──► api :8000 (/api/v1)
-                │
+│
-                ├── Host(api.localhost) ──► api :8000
+├── Host(api.localhost) ──► api :8000
-                ├── Host(auth.localhost) ──► casdoor :8000 (OIDC login)
+├── Host(auth.localhost) ──► casdoor :8000 (OIDC login)
-                └── Host(s3/storage.localhost) ──► minio (API / console)
+└── Host(s3/storage.localhost) ──► minio (API / console)
-                                  │
+│
-                                  ├── postgres :5432 (procurement + casdoor DBs)
+├── postgres :5432 (procurement + casdoor DBs)
-                                  └── minio :9000 (invoice/proforma files)
+└── minio :9000 (invoice/proforma files)
+
 ```
 
 ---
@@ -74,6 +78,7 @@ v1.3/
             ├── Projects/     (projects)
             ├── Units/        (unit conversions)
             └── Inventory/    (warehouse management panel — React port)
+
 ```
 
 ---
@@ -86,12 +91,12 @@ the form (username / password) is sent to
 (password grant), verifies the returned JWT, and starts the session —
 no browser redirect to Casdoor.
 
-- **مدیر پروژه (PM)** → lands in the inventory panel (their project) — can record
+* **مدیر پروژه (PM)** → lands in the inventory panel (their project) — can record
-  stock changes, manage the project's warehouses and confirm arrivals («کالاهای در راه»).
+stock changes, manage the project's warehouses and confirm arrivals («کالاهای در راه»).
-- **مدیر تدارکات / ادمین** → lands in the procurement office — can manage
+* **مدیر تدارکات / ادمین** → lands in the procurement office — can manage
-  quotes, suppliers, projects, and in the inventory panel: dashboard, daily control,
+quotes, suppliers, projects, and in the inventory panel: dashboard, daily control,
-  «کالاهای در راه» (receiving included) and «سازمان‌دهی» (users, PMs, warehouses).
+«کالاهای در راه» (receiving included) and «سازمان‌دهی» (users, PMs, warehouses).
-  The «انبارها» and «تغییر موجودی» sections are PM-only.
+The «انبارها» and «تغییر موجودی» sections are PM-only.
 
 **Developer Mode** (top-left button on the login page) is a 3-step flow for
 the admin (super user): ① superuser auth gate (admin credentials only) →
@@ -103,7 +108,7 @@ controlled by the `VITE_ENABLE_DEV_LOGIN` env var (in Docker: the
 for production builds).
 
 | What | Where | Credentials |
-|---|---|---|
+| --- | --- | --- |
 | App | http://localhost (via Traefik) | — |
 | Casdoor console | http://localhost:8080 | admin credentials are set when you run the seeder (`CASDOOR_ADMIN_PW`) — never commit them |
 | Seeded app users (org `inventory`) | `razaei` (admin), `mousavi` (مدیر تدارکات), `mohaghegh` (مدیر پروژه), `tester` (مدیر پروژه، پروژه «تست») | password from `CASDOOR_SEED_PASSWORD` (bcrypt-hashed at rest — see `backend/tools/seed_casdoor.py`) |
@@ -111,11 +116,11 @@ for production builds).
 Run `backend/tools/seed_casdoor.py` once after the first boot to create the
 Casdoor organization, application and users (idempotent). Full details —
 addresses, credentials, role model, failure scenarios and the checklist —
-are in [`docs/casdoor-auth.md`](docs/casdoor-auth.md).
+are in [`docs/casdoor-auth.md`](https://www.google.com/search?q=docs/casdoor-auth.md).
 
 > The **currently committed seed** (`backups/علی محقق/`) instead ships a
 > single admin — `ali.mohaghegh` («علی محقق») — see
-> [Restoring the committed seed data](#restoring-the-committed-seed-data).
+> [Restoring the committed seed data](https://www.google.com/search?q=%23restoring-the-committed-seed-data).
 
 ---
 
@@ -125,13 +130,13 @@ The production deployment of this stack runs on the server and is reachable
 at these public addresses (HTTPS):
 
 | What | Address |
-|---|---|
+| --- | --- |
 | **App (ERP)** | https://aramesh.bennu-api-bahrestan.ir/ |
 | **Casdoor admin panel** | https://casdoor.bennu-api-bahrestan.ir/ |
 
 Log in to the app with your Casdoor account (org `inventory`); the role is
 assigned inside the app (`users.role` — see «Login» above and
-[`docs/casdoor-auth.md`](docs/casdoor-auth.md)).
+[`docs/casdoor-auth.md`](https://www.google.com/search?q=docs/casdoor-auth.md)).
 
 ### MinIO console on the server (SSH tunnel)
 
@@ -140,21 +145,20 @@ The MinIO console is deliberately **loopback-only** on the server
 is an SSH tunnel from your machine:
 
 1. Open PowerShell and start the tunnel (**keep the window open** while you
-   use the panel):
+use the panel):
+```powershell
+ssh -L 9001:127.0.0.1:9001 <user>@<server-host>
 
-   ```powershell
+```
-   ssh -L 9001:127.0.0.1:9001 <user>@<server-host>
-   ```
 
-   You will also land in a normal SSH session — that is fine; the tunnel
-   lives as long as the window stays open.
 
+You will also land in a normal SSH session — that is fine; the tunnel
+lives as long as the window stays open.
 2. In your browser, open: **http://localhost:9001**
-
 3. Log in with the production MinIO root credentials from the server's
-   `/srv/erp/.env` (`MINIO_ROOT_USER` / `MINIO_ROOT_PASSWORD`) — they are
+`/srv/erp/.env` (`MINIO_ROOT_USER` / `MINIO_ROOT_PASSWORD`) — they are
-   **never** written in this repo or its history. See
+**never** written in this repo or its history. See
-   [`docs/SECRET-MANAGEMENT.md`](docs/SECRET-MANAGEMENT.md).
+[`docs/SECRET-MANAGEMENT.md`](https://www.google.com/search?q=docs/SECRET-MANAGEMENT.md).
 
 You will see the **`procurement-files`** bucket — the invoices/proformas the
 ERP stores, browsable and downloadable from there.
@@ -168,22 +172,22 @@ tunnel.
 
 Notes from the server setup:
 
-- The panel is published only on the server's loopback, so the internet
+* The panel is published only on the server's loopback, so the internet
-  cannot reach it at all — the tunnel is what carries it to your browser.
+cannot reach it at all — the tunnel is what carries it to your browser.
-- Host port `9000` stays reserved for the deploy-webhook receiver, which is
+* Host port `9000` stays reserved for the deploy-webhook receiver, which is
-  why the console uses `9001`.
+why the console uses `9001`.
-- If you ever need the raw S3 API from your machine, or a clickable URL for
+* If you ever need the raw S3 API from your machine, or a clickable URL for
-  the console (e.g. `storage.aramesh.bennu-api-bahrestan.ir` behind Traefik
+the console (e.g. `storage.aramesh.bennu-api-bahrestan.ir` behind Traefik
-  with a password prompt on top), that can be arranged on request — the
+with a password prompt on top), that can be arranged on request — the
-  tunnel remains the safer default.
+tunnel remains the safer default.
 
 ---
 
 ## Prerequisites (target machine)
 
-- **Docker Desktop** (Windows) or Docker Engine + Compose plugin (Linux/macOS)
+* **Docker Desktop** (Windows) or Docker Engine + Compose plugin (Linux/macOS)
-- ~3–4 GB free disk for images (`postgres:18`, `python:3.13-slim`, `node:22-alpine`, `nginx:alpine`, `minio/minio`, `minio/mc`)
+* ~3–4 GB free disk for images (`postgres:18`, `python:3.13-slim`, `node:22-alpine`, `nginx:alpine`, `minio/minio`, `minio/mc`)
-- Internet access on first build (image + `npm ci` downloads)
+* Internet access on first build (image + `npm ci` downloads)
 
 ---
 
@@ -192,6 +196,7 @@ Notes from the server setup:
 ```powershell
 cd <this-folder>
 docker compose up -d --build
+
 ```
 
 First run downloads base images and builds the frontend (takes a few minutes).
@@ -201,6 +206,7 @@ Wait until all services are up:
 
 ```powershell
 docker compose ps
+
 ```
 
 All should show `Up` (postgres also `(healthy)`).
@@ -210,7 +216,7 @@ All should show `Up` (postgres also `(healthy)`).
 ## Verify
 
 | What | Where |
-|---|---|
+| --- | --- |
 | Frontend UI | http://localhost |
 | API docs (Swagger) | http://localhost:8000/docs |
 | API health | http://localhost:8000/health → `{"status":"ok","service":"procurement-api"}` |
@@ -225,23 +231,24 @@ Automated end-to-end checks (authenticates via `SMOKE_USER` /
 ```powershell
 backend\tools\smoke_test.py   # read paths
 backend\tools\smoke_test_write.py / smoke_test_misc.py
+
 ```
 
 > Every API route now requires a Casdoor JWT — a bare
 > `curl http://localhost/api/v1/quotes` returns **401** by design.
-> Day-2 operations (deploys, backups, monitoring): [`docs/OPERATIONS.md`](docs/OPERATIONS.md).
+> Day-2 operations (deploys, backups, monitoring): [`docs/OPERATIONS.md`](https://www.google.com/search?q=docs/OPERATIONS.md).
 
 ---
 
 ## MinIO (object storage for invoice / proforma files)
 
 | Item | Value |
-|---|---|
+| --- | --- |
 | S3 API endpoint | `localhost:9000` (from the API container: `minio:9000`) |
 | Web console | http://localhost:9001 |
 | Root user / password | `minioadmin` / `minioadmin` (dev — change for production) |
 | Bucket | `procurement-files` (created automatically by the `minio-init` container) |
-| Object key layout | `{quote_id}/{kind}/{attachment_id}` where kind = `invoice` \| `proforma` |
+| Object key layout | `{quote_id}/{kind}/{attachment_id}` where kind = `invoice` | `proforma` |
 
 File **bytes** live in MinIO; the `quote_attachments` table holds the metadata.
 
@@ -249,6 +256,7 @@ Ad-hoc bucket inspection from the host (see `mc.cmd`):
 
 ```powershell
 .\mc.cmd ls --recursive
+
 ```
 
 ---
@@ -261,10 +269,12 @@ Port:     5433
 Database: procurement
 Username: postgres
 Password: postgres
+
 ```
 
 ```powershell
 docker exec -it procurement-postgres psql -U postgres -d procurement
+
 ```
 
 ---
@@ -276,26 +286,28 @@ database dumps must never be committed (they contain user rows and signing
 material). Two supported ways to bring a fresh stack up:
 
 1. **Empty boot** — schema v2.6 auto-applies on the first boot of an empty
-   `postgres_data` volume; then run the seeders:
+`postgres_data` volume; then run the seeders:
+```powershell
+# Casdoor org + app + users (prints/generates credentials — do not commit them)
+docker compose run --rm -e CASDOOR_BASE=http://casdoor:8000 api python tools/seed_casdoor.py
+# Demo dataset (optional):
+docker exec procurement-api sh -c "cd /srv/backend && python -m tools.seed"
+
+```
 
-   ```powershell
-   # Casdoor org + app + users (prints/generates credentials — do not commit them)
-   docker compose run --rm -e CASDOOR_BASE=http://casdoor:8000 api python tools/seed_casdoor.py
-   # Demo dataset (optional):
-   docker exec procurement-api sh -c "cd /srv/backend && python -m tools.seed"
-   ```
 
 2. **Restore your own dump** — create dumps on the server (kept server-side,
-   e.g. `/srv/erp/backups/`), never in git:
+e.g. `/srv/erp/backups/`), never in git:
+```powershell
+docker exec procurement-postgres pg_dump -U postgres -d procurement -Fc > /srv/erp/backups/procurement-$(date +%F).dump
+docker exec procurement-postgres pg_dump -U postgres -d casdoor    -Fc > /srv/erp/backups/casdoor-$(date +%F).dump
 
-   ```powershell
+```
-   docker exec procurement-postgres pg_dump -U postgres -d procurement -Fc > /srv/erp/backups/procurement-$(date +%F).dump
-   docker exec procurement-postgres pg_dump -U postgres -d casdoor    -Fc > /srv/erp/backups/casdoor-$(date +%F).dump
-   ```
 
-   Restore with `pg_restore --clean --if-exists` (stop `api` + `casdoor`
+
-   first — this **replaces all data**). The scheduled backup sidecar
+Restore with `pg_restore --clean --if-exists` (stop `api` + `casdoor`
-   (see `docs/OPERATIONS.md`) automates this.
+first — this **replaces all data**). The scheduled backup sidecar
+(see `docs/OPERATIONS.md`) automates this.
 
 ## Common operations
 
@@ -304,40 +316,44 @@ docker compose logs -f api          # see logs
 docker compose down                 # stop (keep data)
 docker compose up -d --build        # rebuild after code changes
 docker compose down -v              # ⚠️ full reset — wipes DB + MinIO volumes
+
 ```
 
 ---
 
 ## Known behavior
 
-- Authentication is Casdoor-based (JWT verified via JWKS) and **required on
+* Authentication is Casdoor-based (JWT verified via JWKS) and **required on
-  every API route** except `/health`, `/health/ready` and `/auth/login`
+every API route** except `/health`, `/health/ready` and `/auth/login`
-  (401 without a token, 403 without a role). The former dev-header fallback
+(401 without a token, 403 without a role). The former dev-header fallback
-  (`X-User-Role` / `X-User-Name-B64`) is disabled unless
+(`X-User-Role` / `X-User-Name-B64`) is disabled unless
-  `PROCUREMENT_DEV_LOGIN_ENABLED=true` — never enable it in production.
+`PROCUREMENT_DEV_LOGIN_ENABLED=true` — never enable it in production.
-- Roles live in the app's `users` table (Casdoor is identity-only): `pm`,
+* Roles live in the app's `users` table (Casdoor is identity-only): `pm`,
-  `procurement_manager`, `admin`. Role changes are **admin-only** (RBAC);
+`procurement_manager`, `admin`. Role changes are **admin-only** (RBAC);
-  the procurement manager can only assign projects to project managers.
+the procurement manager can only assign projects to project managers.
-  The admin has a dedicated panel at `/admin` (user sync from Casdoor +
+The admin has a dedicated panel at `/admin` (user sync from Casdoor +
-  grant/revoke «مدیر تدارکات»).
+grant/revoke «مدیر تدارکات»).
-- **Partial goods receipt** («رسید جزیی») is supported in «کالاهای در راه»:
+* **Partial goods receipt** («رسید جزیی») is supported in «کالاهای در راه»:
-  at least one item with a valid quantity is enough to submit; other items
+at least one item with a valid quantity is enough to submit; other items
-  stay in transit. The procurement ledger shows «رسیده X از Y» / «در راه Z»
+stay in transit. The procurement ledger shows «رسیده X از Y» / «در راه Z»
-  badges and a «رسید جزیی» badge on the quote.
+badges and a «رسید جزیی» badge on the quote.
-- **One PostgreSQL instance** serves both the app (`procurement`) and Casdoor
+* **One PostgreSQL instance** serves both the app (`procurement`) and Casdoor
-  (`casdoor`) — the separate casdoor-postgres container is gone (data was
+(`casdoor`) — the separate casdoor-postgres container is gone (data was
-  dumped/restored; see `docs/casdoor-auth.md`).
+dumped/restored; see `docs/casdoor-auth.md`).
-- **Traefik v3** is the public edge (ports 80/443); the frontend nginx only
+* **Traefik v3** is the public edge (ports 80/443); the frontend nginx only
-  serves the SPA and proxies `/api` internally. Production (real domains,
+serves the SPA and proxies `/api` internally. Production (real domains,
-  HTTPS via Let's Encrypt, HTTP→HTTPS redirect):
+HTTPS via Let's Encrypt, HTTP→HTTPS redirect):
-  `docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d --build`
+`docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d --build`
-  (see the prod file header for the required env vars).
+(see the prod file header for the required env vars).
-- Schema runs automatically ONLY on the first boot of an empty `postgres_data` volume
+* Schema runs automatically ONLY on the first boot of an empty `postgres_data` volume
-  (see `docker-entrypoint-initdb.d`); the API also runs `CREATE TABLE IF NOT EXISTS`
+(see `docker-entrypoint-initdb.d`); the API also runs `CREATE TABLE IF NOT EXISTS`
-  for the units-dashboard tables and `quote_attachments` at startup.
+for the units-dashboard tables and `quote_attachments` at startup.
-- Invoice upload requires an `accepted`/`arrived` quote; proforma has no restriction.
+* Invoice upload requires an `accepted`/`arrived` quote; proforma has no restriction.
-- The supplier detail page (`/suppliers/:id`) shows the purchase history with
+* The supplier detail page (`/suppliers/:id`) shows the purchase history with
-  invoice/proforma download links from MinIO.
+invoice/proforma download links from MinIO.
-- If builds fail with disk-full errors: `docker system prune -a`, then rebuild.
+* **Material-Supplier Lookup**: Clicking a material in the catalog (e.g., on the `/units` page) dynamically fetches its assigned suppliers (`GET /api/materials/{id}/suppliers`). The backend uses an atomic JOIN to guarantee accurate supplier data (avoiding SQLAlchemy identity-map mismatches), and the UI displays a clean empty state («تامین‌کننده‌ای برای این متریال ثبت نشده است») if none exist.
-- If the frontend shows «اتصال به سرور برقرار نشد» → the api container is not
+* If builds fail with disk-full errors: `docker system prune -a`, then rebuild.
-  reachable; check `docker compose ps` and `docker compose logs api`.
+* If the frontend shows «اتصال به سرور برقرار نشد» → the api container is not
+reachable; check `docker compose ps` and `docker compose logs api`.
+
+```

backend/app/db/init_db.py

@@ -247,7 +247,6 @@ _V26_DDL = [
         physical_qty          NUMERIC(18,6),
         transfer_pair_id      UUID,
         performed_by          TEXT,
-        delivered_to          TEXT,
         transaction_date      TIMESTAMPTZ                  NOT NULL DEFAULT now(),
         note                  TEXT,
         created_at            TIMESTAMPTZ                  NOT NULL DEFAULT now()
@@ -259,9 +258,6 @@ _V26_DDL = [
     """
     CREATE INDEX IF NOT EXISTS idx_inventory_tx_warehouse_date ON inventory_transactions (warehouse_id, transaction_date)
     """,
-    """
-    ALTER TABLE inventory_transactions ADD COLUMN IF NOT EXISTS delivered_to TEXT
-    """,
     # suppliers.categories JSONB (v2.4 runtime) is replaced by suppliers.category_id — drop it.
     """
     ALTER TABLE suppliers DROP COLUMN IF EXISTS categories

backend/app/models/inventory.py

@@ -156,7 +156,6 @@ class InventoryTransaction(Base):
     # NULL for a standalone entry; links TRANSFER_OUT to its TRANSFER_IN row.
     transfer_pair_id: Mapped[uuid.UUID | None] = mapped_column(Uuid(as_uuid=True))
     performed_by: Mapped[str | None] = mapped_column(Text)  # user display name (dev placeholder)
-    delivered_to: Mapped[str | None] = mapped_column(Text)
     transaction_date: Mapped[datetime] = mapped_column(
         DateTime(timezone=True), nullable=False, server_default=func.now()
     )

backend/app/routers/inventory.py

@@ -197,7 +197,6 @@ def transaction_to_dict(tx: InventoryTransaction, wh: Warehouse | None = None) -
         "physical_qty": float(tx.physical_qty) if tx.physical_qty is not None else None,
         "transfer_pair_id": str(tx.transfer_pair_id) if tx.transfer_pair_id else None,
         "performed_by": tx.performed_by,
-        "delivered_to": tx.delivered_to,
         "transaction_date": to_iso(tx.transaction_date),
         "note": tx.note,
     }

backend/app/routers/supplier_materials.py

@@ -2,10 +2,12 @@
 
 GET/POST /suppliers/{id}/materials — manage a supplier's catalog.
 DELETE /suppliers/{id}/materials/{material_id} — unlink.
-GET /materials/{id}/suppliers — price-comparison data source.
+GET /materials/{id}/suppliers — suppliers linked to a material.
 """
+from uuid import UUID
+
 from fastapi import APIRouter, Depends, Query
-from sqlalchemy import select
+from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.db.engine import get_db
@@ -20,29 +22,51 @@ from app.utils.serialization import to_iso
 router = APIRouter(tags=["supplier-materials"])
 
 
-def link_to_dict(link: SupplierMaterial, material: Material | None = None,
+def link_to_dict(
-                 category: MaterialCategory | None = None,
+    link: SupplierMaterial,
-                 supplier: Supplier | None = None) -> dict:
+    material: Material | None = None,
+    category: MaterialCategory | None = None,
+    supplier: Supplier | None = None,
+) -> dict:
+<<<<<<< Updated upstream
+    """Serialize a SupplierMaterial ORM row to a plain dict for the API envelope."""
+=======
+    """Serialize a SupplierMaterial ORM row to a plain dict."""
+>>>>>>> Stashed changes
     return {
         "id": str(link.id),
         "supplier_id": str(link.supplier_id),
         "material_id": str(link.material_id),
         "is_active": link.is_active,
-        "last_quoted_price": float(link.last_quoted_price) if link.last_quoted_price is not None else None,
+        "last_quoted_price": (
+            float(link.last_quoted_price) if link.last_quoted_price is not None else None
+        ),
         "last_quoted_at": to_iso(link.last_quoted_at) if link.last_quoted_at else None,
         "created_at": to_iso(link.created_at),
-        "material": {
+        "material": (
-            "id": str(material.id),
+            {
-            "name": material.name,
+                "id": str(material.id),
-            "category": {"id": str(category.id), "name": category.name} if category else None,
+                "name": material.name,
-        } if material else None,
+                "category": (
-        "supplier": {"id": str(supplier.id), "name": supplier.name} if supplier else None,
+                    {"id": str(category.id), "name": category.name} if category else None
+                ),
+            }
+            if material
+            else None
+        ),
+        "supplier": (
+            {"id": str(supplier.id), "name": supplier.name} if supplier else None
+        ),
     }
 
 
+# ---------------------------------------------------------------------------
+# GET /suppliers/{supplier_id}/materials
+# ---------------------------------------------------------------------------
+
 @router.get("/suppliers/{supplier_id}/materials")
 async def list_supplier_materials(
-    supplier_id,
+    supplier_id: UUID,
     page: int = Query(1, ge=1),
     page_size: int = Query(20, ge=1, le=100),
     db: AsyncSession = Depends(get_db),
@@ -56,44 +80,210 @@ async def list_supplier_materials(
         .order_by(SupplierMaterial.created_at)
     )
     items, meta = await paginate(stmt, page, page_size, db)
-    mat_ids = {l.material_id for l in items}
+    mat_ids = [lnk.material_id for lnk in items]
-    materials = {m.id: m for m in (await db.execute(select(Material).where(Material.id.in_(mat_ids)))).scalars()}
+    materials: dict = {}
-    return {"data": [link_to_dict(l, materials.get(l.material_id), None) for l in items], "meta": meta}
+    if mat_ids:
+        result = await db.execute(select(Material).where(Material.id.in_(mat_ids)))
+        materials = {m.id: m for m in result.scalars()}
+    return {
+        "data": [link_to_dict(lnk, materials.get(lnk.material_id)) for lnk in items],
+        "meta": meta,
+    }
 
 
+# ---------------------------------------------------------------------------
+# POST /suppliers/{supplier_id}/materials
+# ---------------------------------------------------------------------------
+
 @router.post("/suppliers/{supplier_id}/materials", status_code=201)
 async def create_supplier_material(
-    supplier_id, payload: SupplierMaterialCreate, db: AsyncSession = Depends(get_db)
+    supplier_id: UUID,
+    payload: SupplierMaterialCreate,
+    db: AsyncSession = Depends(get_db),
 ):
     async with db.begin():
         link = await link_supplier_material(db, supplier_id, payload.material_id)
         material = await db.get(Material, payload.material_id)
-    return {"data": link_to_dict(link, material, None)}
+    return {"data": link_to_dict(link, material)}
 
 
+# ---------------------------------------------------------------------------
+# DELETE /suppliers/{supplier_id}/materials/{material_id}
+# ---------------------------------------------------------------------------
+
 @router.delete("/suppliers/{supplier_id}/materials/{material_id}")
-async def delete_supplier_material(supplier_id, material_id, db: AsyncSession = Depends(get_db)):
+async def delete_supplier_material(
+    supplier_id: UUID,
+    material_id: UUID,
+<<<<<<< Updated upstream
+    db: AsyncSession = Depends(get_db),
+):
     async with db.begin():
         await unlink_supplier_material(db, supplier_id, material_id)
-    return {"data": {"supplier_id": str(supplier_id), "material_id": str(material_id), "deleted": True}}
+    return {
+        "data": {
+            "supplier_id": str(supplier_id),
+            "material_id": str(material_id),
+            "deleted": True,
+        }
+    }
 
 
-@router.get("/materials/{material_id}/suppliers")
+# ---------------------------------------------------------------------------
+# GET /materials/{material_id}/suppliers
+# ---------------------------------------------------------------------------
+
+@router.get(
+    "/materials/{material_id}/suppliers",
+    summary="List all suppliers linked to a material",
+)
 async def list_material_suppliers(
-    material_id,
+    material_id: UUID,
+    db: AsyncSession = Depends(get_db),
+):
+    """Return the suppliers linked to a material, straight from PostgreSQL.
+
+    The path parameter is typed as UUID so FastAPI validates and coerces it
+    before the handler runs; a malformed id is rejected with 422, an unknown
+    material with 404.
+
+    Atomic JOIN — a supplier is returned only through its supplier_materials
+    link, so the response can never contain a supplier that is not actually
+    linked to this material:
+
+        select(Supplier)
+        .join(SupplierMaterial, Supplier.id == SupplierMaterial.supplier_id)
+        .where(SupplierMaterial.material_id == material_id)
+
+    Response envelope (frontend MaterialSupplier binds these fields directly):
+        {
+          "data": [
+            {
+              "id":             "<supplier_uuid>",
+              "name":           "فولاد ناب آریا",
+              "phone":          "021-..." | null,
+              "contact_person": "علی محمدی" | null,
+              "location":       "تهران" | null
+            }
+          ]
+=======
+    db: AsyncSession = Depends(get_db),
+):
+    async with db.begin():
+        await unlink_supplier_material(db, supplier_id, material_id)
+    return {
+        "data": {
+            "supplier_id": str(supplier_id),
+            "material_id": str(material_id),
+            "deleted": True,
+        }
+    }
+
+
+# ---------------------------------------------------------------------------
+# GET /materials/{material_id}/suppliers
+# ---------------------------------------------------------------------------
+
+@router.get(
+    "/materials/{material_id}/suppliers",
+    summary="List all suppliers linked to a material",
+)
+async def list_material_suppliers(
+    material_id: UUID,
     page: int = Query(1, ge=1),
     page_size: int = Query(20, ge=1, le=100),
     db: AsyncSession = Depends(get_db),
 ):
+    """Return a paginated list of suppliers for a given material.
+
+    Uses explicit column-level SELECT with named labels so SQLAlchemy returns
+    plain Row tuples — no ORM identity-map involvement — eliminating the
+    string-vs-UUID comparison bug and the stale-entity collision that occurred
+    when selecting two mapped entities in the same session.
+
+    Response shape (matched by the frontend RawMaterialSupplier interface):
+        {
+          "data": [
+            {
+              "id": "<supplier_uuid>",
+              "name": "فولاد ناب آریا",
+              "phone": "021-..." | null,
+              "contact_person": "علی محمدی" | null,
+              "location": "تهران" | null
+            }
+          ],
+          "meta": {"total": 1, "page": 1, "page_size": 20}
+>>>>>>> Stashed changes
+        }
+    """
     material = await db.get(Material, material_id)
     if material is None:
         raise NotFoundError("متریال یافت نشد")
+
+<<<<<<< Updated upstream
     stmt = (
-        select(SupplierMaterial)
+        select(Supplier)
+        .join(SupplierMaterial, Supplier.id == SupplierMaterial.supplier_id)
+        .where(SupplierMaterial.material_id == material_id)
+        .order_by(Supplier.name)
+    )
+    suppliers = (await db.execute(stmt)).scalars().all()
+
+    return {
+        "data": [
+            {
+                "id": str(supplier.id),
+                "name": supplier.name,
+                "phone": supplier.phone,
+                "contact_person": supplier.contact_person,
+                "location": supplier.location,
+            }
+            for supplier in suppliers
+        ]
+=======
+    total: int = (
+        await db.scalar(
+            select(func.count(SupplierMaterial.id)).where(
+                SupplierMaterial.material_id == material_id
+            )
+        )
+    ) or 0
+
+    if total == 0:
+        return {"data": [], "meta": {"total": 0, "page": page, "page_size": page_size}}
+
+    # Explicit column-level SELECT — returns plain Row objects keyed by label,
+    # never ORM entities, so no identity-map collision is possible.
+    stmt = (
+        select(
+            Supplier.id.label("sup_id"),
+            Supplier.name.label("sup_name"),
+            Supplier.phone.label("sup_phone"),
+            Supplier.contact_person.label("sup_contact_person"),
+            Supplier.location.label("sup_location"),
+        )
+        .join(SupplierMaterial, Supplier.id == SupplierMaterial.supplier_id)
         .where(SupplierMaterial.material_id == material_id)
         .order_by(SupplierMaterial.last_quoted_at.desc().nulls_last())
+        .offset((page - 1) * page_size)
+        .limit(page_size)
     )
-    items, meta = await paginate(stmt, page, page_size, db)
+
-    sup_ids = {l.supplier_id for l in items}
+    rows = (await db.execute(stmt)).all()
-    suppliers = {s.id: s for s in (await db.execute(select(Supplier).where(Supplier.id.in_(sup_ids)))).scalars()}
+
-    return {"data": [link_to_dict(l, supplier=suppliers.get(l.supplier_id)) for l in items], "meta": meta}
+    data = [
+        {
+            "id": str(row.sup_id),
+            "name": row.sup_name,
+            "phone": row.sup_phone,
+            "contact_person": row.sup_contact_person,
+            "location": row.sup_location,
+        }
+        for row in rows
+    ]
+
+    return {
+        "data": data,
+        "meta": {"total": total, "page": page, "page_size": page_size},
+>>>>>>> Stashed changes
+    }

backend/app/schemas/inventory.py

@@ -64,7 +64,6 @@ class InventoryTransactionCreate(APIModel):
     unit_id: int | None = None
     specs: dict | None = None
     note: str | None = None
-    delivered_to: str | None = None
     transaction_date: datetime | None = None
 
     @model_validator(mode="after")

backend/app/services/inventory_service.py

@@ -290,7 +290,6 @@ async def apply_transaction(
             transaction_type=t,
             quantity=quantity,
             performed_by=performed_by,
-            delivered_to=payload.delivered_to,
             transaction_date=payload.transaction_date,
             note=payload.note,
         )
@@ -320,7 +319,6 @@ async def apply_transaction(
             transaction_type=t,
             quantity=-quantity,
             performed_by=performed_by,
-            delivered_to=payload.delivered_to,
             transaction_date=payload.transaction_date,
             note=payload.note,
         )

frontend/src/lib/api.ts

@@ -458,6 +458,36 @@ function adaptBrandLink(raw: RawBrandLink): BrandLinkRow {
   return { id: raw.id, brand_id: raw.brand_id, brand_name: raw.brand?.name || "" };
 }
 
+// ── تأمین‌کننده‌های متریال — پاسخ GET /materials/{id}/suppliers ──────────────
+// Raw shape mirrors the backend dict exactly. The backend uses an atomic
+// column-level JOIN so `name` always comes from the suppliers table.
+interface RawMaterialSupplier {
+  id: string;
+  name: string;
+  phone: string | null;
+  contact_person: string | null;
+  location: string | null;
+}
+
+/** Clean UI-facing type for one supplier linked to a material. */
+export interface MaterialSupplier {
+  id: string;
+  name: string;
+  phone: string | null;
+  contact_person: string | null;
+  location: string | null;
+}
+
+function adaptMaterialSupplier(raw: RawMaterialSupplier): MaterialSupplier {
+  return {
+    id: raw.id,
+    name: raw.name,
+    phone: raw.phone,
+    contact_person: raw.contact_person,
+    location: raw.location,
+  };
+}
+
 // فایل پیوست — پاسخ بک‌اند (metadata؛ بایت‌ها از endpoint دانلود می‌آیند)
 interface RawAttachment {
   id: string;
@@ -1126,6 +1156,13 @@ export const api = {
     updateCanonicalUnit: async (id: string, canonical_unit_id: number): Promise<void> => {
       await patchData(`/materials/${id}`, { canonical_unit_id });
     },
+    // فهرست تأمین‌کننده‌های متصل به یک متریال — GET /materials/{id}/suppliers
+    listSuppliers: async (materialId: string): Promise<MaterialSupplier[]> => {
+      const raw = await getData<RawMaterialSupplier[]>(
+        `/materials/${materialId}/suppliers?page_size=100`,
+      );
+      return raw.map(adaptMaterialSupplier);
+    },
   },
 
   projects: {
@@ -1678,7 +1715,7 @@ export const apiV26 = {
       transaction_type: TransactionType; warehouse_id: string; dest_warehouse_id?: string | null;
       material_id: string; brand_id?: string | null; quantity?: number | null;
       physical_qty?: number | null; unit_id?: number | null; specs?: Record<string, string> | null;
-      note?: string | null; delivered_to?: string | null; transaction_date?: string | null;
+      note?: string | null; transaction_date?: string | null;
     }): Promise<InventoryTransaction[]> => {
       return postData<InventoryTransaction[]>(`/inventory/transactions${projectQuery()}`, body);
     },

frontend/src/lib/types.ts

@@ -163,7 +163,6 @@ export interface InventoryTransaction {
   physical_qty?: number | null;
   transfer_pair_id?: string | null;
   performed_by?: string | null;
-  delivered_to?: string | null;
   transaction_date: string;
   note?: string | null;
   material?: { id: string; name: string } | null;

frontend/src/pages/Dashboard/DashboardPage.tsx

@@ -110,7 +110,7 @@ export function DashboardPage() {
               className="inline-flex items-center gap-1.5 px-3.5 py-2 rounded-xl border border-gray-200 dark:border-zinc-700 bg-white dark:bg-zinc-800 text-gray-700 dark:text-zinc-200 text-xs font-semibold hover:bg-gray-50 dark:hover:bg-zinc-700 shadow-2xs transition-all no-underline"
             >
               <Ruler className="h-4 w-4 text-gray-500 dark:text-zinc-400" />
-              <span>ضرایب تبدیل</span>
+              <span>اقلام و ضرایب</span>
             </Link>
 
             {/* دکمه اصلی: افزودن پیشنهاد جدید */}

frontend/src/pages/Inventory/ChangeInventoryPage.tsx

@@ -62,7 +62,6 @@ export function ChangeInventoryPage() {
   const [dateInput, setDateInput] = useState<string>(() => new Date().toISOString());
   const [specsChips, setSpecsChips] = useState<string[]>([]);
   const [note, setNote] = useState("");
-  const [deliveredTo, setDeliveredTo] = useState("");
   const [rows, setRows] = useState<RowDraft[]>([]);
   const [busy, setBusy] = useState(false);
 
@@ -87,20 +86,10 @@ export function ChangeInventoryPage() {
   );
 
   const formRecords = useMemo(() => {
-    const txt = matTxt.trim().toLowerCase();
+    const txt = matTxt.trim();
     const wid = type === "TRANSFER" ? fromId : whId;
     return data.inventory.filter((r) => {
       if (r.warehouse?.id !== wid) return false;
-      if (type === "WITHDRAWAL") {
-        if (r.quantity_number <= 0) return false;
-        if (txt) {
-          const mMatch = r.material.name.toLowerCase().includes(txt);
-          const bMatch = r.brand?.name?.toLowerCase().includes(txt) ?? false;
-          const sMatch = Object.values(r.specs || {}).some((v) => String(v).toLowerCase().includes(txt));
-          if (!mMatch && !bMatch && !sMatch) return false;
-        }
-        return true;
-      }
       if (txt && !r.material.name.includes(txt)) return false;
       return true;
     });
@@ -197,7 +186,6 @@ export function ChangeInventoryPage() {
       setQty("");
       setSpecsChips([]);
       setNote("");
-      setDeliveredTo("");
       await data.refresh();
     } catch (err) {
       toast.error(err instanceof Error ? err.message : "خطا در ثبت");
@@ -247,9 +235,6 @@ export function ChangeInventoryPage() {
   };
 
   const submitList = async (t: TransactionType) => {
-    if (t === "WITHDRAWAL" && !deliveredTo.trim()) {
-      return toast.error("نام تحویل‌گیرنده اقلام الزامی است");
-    }
     const ops: Record<string, unknown>[] = rows
       .map((r, i): Record<string, unknown> | null => {
         const n = parseNum(r.qty);
@@ -259,18 +244,7 @@ export function ChangeInventoryPage() {
         if (t === "STOCK_COUNT") {
           return { transaction_type: "STOCK_COUNT", warehouse_id: whId, material_id: rec.material.id, brand_id: rec.brand?.id || null, physical_qty: n, note: r.note, transaction_date: toServerIso() };
         }
-        return {
+        return { transaction_type: t, warehouse_id: whId, material_id: rec.material.id, brand_id: rec.brand?.id || null, quantity: n, unit_id: rec.unit?.id ?? null, specs: rec.specs || {}, note: r.note, transaction_date: toServerIso() };
-          transaction_type: t,
-          warehouse_id: whId,
-          material_id: rec.material.id,
-          brand_id: rec.brand?.id || null,
-          quantity: n,
-          unit_id: rec.unit?.id ?? null,
-          specs: rec.specs || {},
-          note: r.note,
-          delivered_to: t === "WITHDRAWAL" ? deliveredTo.trim() : undefined,
-          transaction_date: toServerIso(),
-        };
       })
       .filter((x): x is Record<string, unknown> => x !== null);
     if (!ops.length) return toast.error("هیچ ردیفی پر نشده است");
@@ -396,9 +370,6 @@ export function ChangeInventoryPage() {
     if (type === "PURCHASE") {
       return !!(whId && matTxt.trim() && brandTxt.trim() && unitTxt.trim() && parseNum(qty) > 0 && specsComplete);
     }
-    if (type === "WITHDRAWAL") {
-      return !!(whId && deliveredTo.trim() && rows.some((r) => parseNum(r.qty) > 0));
-    }
     if (type === "TRANSFER") return !!(fromId && toId && matTxt.trim() && rows.some((r) => parseNum(r.qty) > 0));
     if (type === "RETURN") return !!(whId && matTxt.trim() && rows.some((r) => parseNum(r.qty) > 0));
     if (type === "FOUND") {
@@ -515,36 +486,7 @@ export function ChangeInventoryPage() {
                 </div>
               </div>
 
-              {type === "WITHDRAWAL" && (
+              {(type === "WITHDRAWAL" || type === "DAMAGE" || type === "WASTE" || type === "LOSS" || type === "STOCK_COUNT" || type === "RETURN" || type === "FOUND") && (
-                <div className="grid gap-3 sm:grid-cols-2">
-                  <div className="field">
-                    <label className="text-xs font-semibold text-muted">جستجو در متریال‌ها (اختیاری)</label>
-                    <input
-                      list="dl-mat"
-                      className="h-9 w-full rounded-lg border border-line bg-panel px-3 text-xs sm:text-sm"
-                      placeholder="فیلتر بر اساس نام متریال، برند یا مشخصه (خالی = نمایش همه)…"
-                      value={matTxt}
-                      onChange={(e) => { setMatTxt(e.target.value); setRows([]); }}
-                    />
-                    <datalist id="dl-mat">
-                      {data.lookup.materials.map((m) => <option key={m.id} value={m.name} />)}
-                    </datalist>
-                  </div>
-                  <div className="field">
-                    <label className="text-xs font-semibold text-muted">
-                      تحویل به (تحویل‌گیرنده) <span className="text-rose-500 font-bold">*</span>
-                    </label>
-                    <input
-                      className="h-9 w-full rounded-lg border border-line bg-panel px-3 text-xs sm:text-sm"
-                      placeholder="نام فرد، اکیپ یا پیمانکار تحویل‌گیرنده اقلام…"
-                      value={deliveredTo}
-                      onChange={(e) => setDeliveredTo(e.target.value)}
-                    />
-                  </div>
-                </div>
-              )}
-
-              {(type === "DAMAGE" || type === "WASTE" || type === "LOSS" || type === "STOCK_COUNT" || type === "RETURN" || type === "FOUND") && (
                 <div className="field">
                   <label className="text-xs font-semibold text-muted">{type === "FOUND" ? "متریال (خالی = همه مفقودی‌ها)" : "متریال *"}</label>
                   <input
@@ -711,11 +653,10 @@ export function ChangeInventoryPage() {
               setRows={setRows}
               records={formRecords}
               unitNameFn={(id) => unitName(data.lookup.units, id)}
-              showMaterial={type === "WITHDRAWAL" || !matTxt.trim()}
               emptyMsg={
                 !whId ? "برای نمایش رکوردها، ابتدا انبار را انتخاب کنید."
-                  : (type !== "WITHDRAWAL" && !matTxt.trim()) ? "نام متریال را تایپ کنید تا همه مدل‌های آن (با برند و مشخصه متفاوت) نمایش داده شود."
+                  : !matTxt.trim() ? "نام متریال را تایپ کنید تا همه مدل‌های آن (با برند و مشخصه متفاوت) نمایش داده شود."
-                  : !formRecords.length ? (matTxt.trim() ? "برای این عبارت در انبار انتخابی رکوردی یافت نشد." : "هیچ کالای دارای موجودی در این انبار یافت نشد.")
+                  : !formRecords.length ? "برای این نام متریال در انبار انتخابی رکوردی وجود ندارد. ابتدا «موجودی اولیه» ثبت کنید."
                   : ""
               }
             />
@@ -732,7 +673,6 @@ export function ChangeInventoryPage() {
               setRows={setRows}
               records={formRecords}
               unitNameFn={(id) => unitName(data.lookup.units, id)}
-              showMaterial={!matTxt.trim()}
               emptyMsg={
                 !fromId || !toId ? "برای نمایش موجودی‌ها، انبار مبدأ، مقصد و نام متریال را وارد کنید."
                   : !matTxt.trim() ? "نام متریال را تایپ کنید…"
@@ -838,69 +778,57 @@ export function ChangeInventoryPage() {
   );
 }
 
-function RowTable({ isCount, rows, setRows, records, unitNameFn, emptyMsg, showMaterial = true }: {
+function RowTable({ isCount, rows, setRows, records, unitNameFn, emptyMsg }: {
   isCount: boolean;
   rows: RowDraft[];
   setRows: (r: RowDraft[]) => void;
-  records: { id: string; material?: { id: string; name: string }; brand: { id: string; name: string } | null; unit: { id: number; code: string; name_fa: string | null } | null; quantity_number: number; specs: Record<string, string> }[];
+  records: { id: string; brand: { id: string; name: string } | null; unit: { id: number; code: string; name_fa: string | null } | null; quantity_number: number; specs: Record<string, string> }[];
   unitNameFn: (id: number | null | undefined) => string;
   emptyMsg: string;
-  showMaterial?: boolean;
 }) {
   if (emptyMsg) return <div className="rounded-lg border border-dashed border-line p-4 text-[12.5px] text-muted">{emptyMsg}</div>;
   return (
-    <div>
+    <div className="overflow-x-auto">
-      <div className="overflow-x-auto max-h-[420px] overflow-y-auto border border-line rounded-lg">
+      <table className="w-full text-[12.5px] min-w-[500px]">
-        <table className="w-full text-[12.5px] min-w-[560px]">
+        <thead>
-          <thead className="sticky top-0 bg-panel z-10 shadow-2xs border-b border-line">
+          <tr className="border-b border-line text-right text-muted">
-            <tr className="text-right text-muted">
+            <th className="py-2 pe-3">مشخصه‌ها</th>
-              {showMaterial && <th className="py-2.5 px-3">متریال</th>}
+            <th className="py-2 pe-3">برند</th>
-              <th className="py-2.5 px-3">مشخصه‌ها</th>
+            <th className="py-2 pe-3">واحد</th>
-              <th className="py-2.5 px-3">برند</th>
+            <th className="py-2 pe-3">موجودی فعلی</th>
-              <th className="py-2.5 px-3">واحد</th>
+            <th className="py-2 pe-3">{isCount ? "شمارش‌شده" : "تعداد"}</th>
-              <th className="py-2.5 px-3">موجودی فعلی</th>
+            <th className="py-2">یادداشت</th>
-              <th className="py-2.5 px-3">{isCount ? "شمارش‌شده" : "تعداد"}</th>
+          </tr>
-              <th className="py-2.5 px-3">یادداشت</th>
+        </thead>
+        <tbody>
+          {records.map((r, i) => (
+            <tr key={r.id} className="border-b border-line/50">
+              <td className="py-2 pe-3 text-muted">{Object.entries(r.specs || {}).map(([k, v]) => `${k}: ${v}`).join(" · ") || "—"}</td>
+              <td className="py-2 pe-3">{r.brand?.name || "—"}</td>
+              <td className="py-2 pe-3">{unitNameFn(r.unit?.id)}</td>
+              <td className="py-2 pe-3 font-bold">{faNum(r.quantity_number)}</td>
+              <td className="py-2 pe-3">
+                <input
+                  inputMode="decimal"
+                  className="h-8 w-24 rounded-lg border border-line bg-panel px-2 text-sm ltr"
+                  placeholder={isCount ? "شمارش‌شده" : "۰"}
+                  value={isCount && rows[i]?.qty === "" ? String(r.quantity_number) : (rows[i]?.qty || "")}
+                  onChange={(e) => setRows(rows.map((x, xi) => (xi === i ? { ...x, qty: e.target.value } : x)))}
+                />
+              </td>
+              <td className="py-2">
+                <input
+                  className="h-8 w-32 rounded-lg border border-line bg-panel px-2 text-sm"
+                  placeholder="توضیح (اختیاری)"
+                  value={rows[i]?.note || ""}
+                  onChange={(e) => setRows(rows.map((x, xi) => (xi === i ? { ...x, note: e.target.value } : x)))}
+                />
+              </td>
             </tr>
-          </thead>
+          ))}
-          <tbody className="divide-y divide-line/40">
+        </tbody>
-            {records.map((r, i) => (
+      </table>
-              <tr key={r.id} className="hover:bg-bg/40 transition-colors">
+      <div className="mt-2 text-[11px] text-muted">ستون «موجودی فعلی» مقدار موجود هر رکورد است. برای هر ردیف تعداد و یادداشت وارد کنید.</div>
-                {showMaterial && (
-                  <td className="py-2 px-3 font-bold text-ink">
-                    {r.material?.name || "—"}
-                  </td>
-                )}
-                <td className="py-2 px-3 text-muted">{Object.entries(r.specs || {}).map(([k, v]) => `${k}: ${v}`).join(" · ") || "—"}</td>
-                <td className="py-2 px-3">{r.brand?.name || "—"}</td>
-                <td className="py-2 px-3">{unitNameFn(r.unit?.id)}</td>
-                <td className="py-2 px-3 font-bold text-ink">{faNum(r.quantity_number)}</td>
-                <td className="py-2 px-3">
-                  <input
-                    inputMode="decimal"
-                    className="h-8 w-24 rounded-lg border border-line bg-panel px-2 text-sm ltr focus:border-accent"
-                    placeholder={isCount ? "شمارش‌شده" : "۰"}
-                    value={isCount && rows[i]?.qty === "" ? String(r.quantity_number) : (rows[i]?.qty || "")}
-                    onChange={(e) => setRows(rows.map((x, xi) => (xi === i ? { ...x, qty: e.target.value } : x)))}
-                  />
-                </td>
-                <td className="py-2 px-3">
-                  <input
-                    className="h-8 w-32 rounded-lg border border-line bg-panel px-2 text-sm focus:border-accent"
-                    placeholder="توضیح (اختیاری)"
-                    value={rows[i]?.note || ""}
-                    onChange={(e) => setRows(rows.map((x, xi) => (xi === i ? { ...x, note: e.target.value } : x)))}
-                  />
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-      </div>
-      <div className="mt-2 flex items-center justify-between text-[11px] text-muted">
-        <span>ستون «موجودی فعلی» مقدار موجود هر رکورد است. برای هر ردیف تعداد و یادداشت وارد کنید.</span>
-        <span>{faNum(records.length)} قلم کالا</span>
-      </div>
     </div>
   );
 }

frontend/src/pages/Inventory/DailyControlPage.tsx

@@ -129,10 +129,9 @@ export function DailyControlPage() {
   const wGroups = useMemo(() => {
     const gmap = new Map<string, { recId: string; q: number; last: string; tx: InventoryTransaction }>();
     withdrawals.forEach((t) => {
-      const gKey = `${t.inventory_id}__${t.delivered_to || ""}`;
+      const g = gmap.get(t.inventory_id);
-      const g = gmap.get(gKey);
       if (!g) {
-        gmap.set(gKey, { recId: gKey, q: Math.abs(t.quantity_number || 0), last: t.transaction_date, tx: t });
+        gmap.set(t.inventory_id, { recId: t.inventory_id, q: Math.abs(t.quantity_number || 0), last: t.transaction_date, tx: t });
       } else {
         g.q += Math.abs(t.quantity_number || 0);
         if (t.transaction_date > g.last) g.last = t.transaction_date;
@@ -325,12 +324,6 @@ export function DailyControlPage() {
                             whName(data.warehouses, g.tx.warehouse_id)
                           ].filter(Boolean).join(" · ")}
                         </span>
-                        {g.tx.delivered_to && (
-                          <span className="inline-flex items-center gap-1 mt-1.5 text-[11px] font-semibold text-blue-700 bg-blue-50/80 border border-blue-200/60 rounded px-1.5 py-0.5 w-fit">
-                            <span className="text-slate-500 font-normal">تحویل به:</span>
-                            <span>{g.tx.delivered_to}</span>
-                          </span>
-                        )}
                       </span>
                       <span className="text-xs font-bold text-rose-600 tabular-nums">
                         {faNum(g.q)} {unitName(data.lookup.units, g.tx.unit?.id)}

frontend/src/pages/Units/UnitsPage.tsx

@@ -1,6 +1,8 @@
 import { useCallback, useEffect, useMemo, useState } from "react";
+import { Link } from "react-router-dom";
 import { toast } from "sonner";
 import {
+  Building2,
   ChevronDown,
   Link2,
   Pencil,
@@ -12,7 +14,7 @@ import {
   TriangleAlert,
 } from "lucide-react";
 import type { StandardConversion } from "../../lib/types";
-import { api, apiV26, nextId, type BrandLinkRow, type MaterialUnitRow } from "../../lib/api";
+import { api, apiV26, nextId, type BrandLinkRow, type MaterialSupplier, type MaterialUnitRow } from "../../lib/api";
 import {
   refreshProcurementStore,
   useDeleteStandardConversion,
@@ -102,6 +104,12 @@ export function UnitsPage() {
   const [rowsLoading, setRowsLoading] = useState(false);
   const [brandLinks, setBrandLinks] = useState<BrandLinkRow[]>([]);
 
+  // تأمین‌کننده‌های متریال انتخاب‌شده — داده از GET /materials/{id}/suppliers
+  const [materialSuppliers, setMaterialSuppliers] = useState<MaterialSupplier[]>([]);
+  const [suppliersLoading, setSuppliersLoading] = useState(false);
+  // کلید پیشگیری از flicker: قبل از رسیدن پاسخ جدید، empty state نشان نمی‌دهیم
+  const [suppliersLoadedId, setSuppliersLoadedId] = useState<string | null>(null);
+
   // واحدها و برندهای سراسری (فهرست دیتابیس)
   const [units, setUnits] = useState<UnitLite[]>([]);
   const [allBrands, setAllBrands] = useState<string[]>([]);
@@ -253,6 +261,7 @@ export function UnitsPage() {
     if (!materialId) {
       setRows([]);
       setBrandLinks([]);
+      setMaterialSuppliers([]);
       return;
     }
     void loadRows(materialId);
@@ -263,6 +272,33 @@ export function UnitsPage() {
     setFormBrand("");
   }, [materialId, loadRows]);
 
+  // واکشی تأمین‌کننده‌های متصل به متریال انتخاب‌شده
+  useEffect(() => {
+    if (!materialId) {
+      setMaterialSuppliers([]);
+      setSuppliersLoadedId(null);
+      return;
+    }
+    let alive = true;
+    setSuppliersLoading(true);
+    api.materials
+      .listSuppliers(materialId)
+      .then((list) => {
+        if (alive) {
+          setMaterialSuppliers(list);
+          setSuppliersLoadedId(materialId);
+        }
+      })
+      .catch((err: unknown) => {
+        if (!alive) return;
+        setMaterialSuppliers([]);
+        setSuppliersLoadedId(materialId);
+        toast.error(err instanceof Error ? err.message : "خواندن تأمین‌کننده‌های متریال ناموفق بود");
+      })
+      .finally(() => { if (alive) setSuppliersLoading(false); });
+    return () => { alive = false; };
+  }, [materialId]);
+
   const brandNameFor = (row: MaterialUnitRow): string => {
     if (!row.brand_material_id) return "";
     return brandLinks.find((b) => b.id === row.brand_material_id)?.brand_name || "";
@@ -449,7 +485,7 @@ export function UnitsPage() {
   return (
     <div className="min-h-screen">
       <Header
-        title="ضرایب تبدیل"
+        title="اقلام و ضرایب"
         sub="متریال را انتخاب کنید — واحد مرجع و ضریب تبدیل همان متریال"
         backTo="/"
         backLabel="بازگشت به دفتر"
@@ -546,6 +582,77 @@ export function UnitsPage() {
               </div>
             ) : (
               <>
+                {/* ── تامین‌کنندگان متریال ── */}
+                <div className="mb-5 overflow-hidden rounded-xl border border-line bg-panel shadow-sm">
+                  {/* سرصفحه — همیشه نمایش داده می‌شود */}
+                  <div className="border-b border-line px-4 py-3">
+                    <h4 className="text-[14px] font-bold text-gray-900">تامین‌کنندگان متریال</h4>
+                  </div>
+
+                  {/* محتوا — min-h برای جلوگیری از layout shift */}
+                  <div className="min-h-[80px] p-4 transition-opacity duration-300 ease-in-out">
+                    {suppliersLoading || materialId !== suppliersLoadedId ? (
+                      /* اسپینر — نه empty state — تا پاسخ API برسد */
+                      <div className="flex h-[80px] items-center justify-center">
+                        <span className="h-5 w-5 animate-spin rounded-full border-2 border-muted border-t-transparent" />
+                      </div>
+                    ) : materialSuppliers.length === 0 ? (
+                      <p className="flex h-[80px] items-center justify-center text-sm text-muted">
+                        تامین‌کننده‌ای برای این متریال ثبت نشده است
+                      </p>
+                    ) : (
+                      <div className="flex flex-col gap-3 mt-4 max-h-[320px] overflow-y-auto">
+                        {materialSuppliers.map((s) => (
+                          <div
+                            key={s.id}
+                            className="flex flex-col md:flex-row md:items-center justify-between p-4 bg-white border border-gray-200 rounded-xl shadow-sm gap-4 w-full"
+                          >
+                            {/* نام تامین‌کننده */}
+                            <div className="flex-1 flex flex-col gap-1 text-right">
+                              <span className="text-xs font-medium text-gray-900">نام تامین‌کننده</span>
+                              <Link
+                                to={`/suppliers/${s.id}`}
+                                className="font-medium text-accent hover:underline decoration-dashed"
+                              >
+                                {s.name}
+                              </Link>
+                            </div>
+                            {/* نام مسئول */}
+                            <div className="flex-1 flex flex-col gap-1 text-right">
+                              <span className="text-xs font-medium text-gray-900">نام مسئول</span>
+                              <span className="text-gray-500">
+                                {s.contact_person || <span className="text-gray-500">ثبت نشده</span>}
+                              </span>
+                            </div>
+                            {/* تلفن */}
+                            <div className="flex-1 flex flex-col gap-1 text-right">
+                              <span className="text-xs font-medium text-gray-900">تلفن</span>
+                              {s.phone ? (
+                                <a
+                                  href={`tel:${s.phone}`}
+                                  dir="ltr"
+                                  className="font-medium text-accent hover:underline decoration-dashed"
+                                >
+                                  {s.phone}
+                                </a>
+                              ) : (
+                                <span className="text-gray-500">ثبت نشده</span>
+                              )}
+                            </div>
+                            {/* محل */}
+                            <div className="flex-1 flex flex-col gap-1 text-right">
+                              <span className="text-xs font-medium text-gray-900">محل</span>
+                              <span className="text-gray-500">
+                                {s.location || <span className="text-gray-500">ثبت نشده</span>}
+                              </span>
+                            </div>
+                          </div>
+                        ))}
+                      </div>
+                    )}
+                  </div>
+                </div>
+
                 {/* واحد مرجع متریال */}
                 <div className="ref-unit-box">
                   <div className="ref-title">
@@ -587,119 +694,6 @@ export function UnitsPage() {
                   </div>
                 </div>
 
-                {/* ضرایب متریال */}
-                <h4 className="sec-title">
-                  <Repeat className="me-1 inline h-4 w-4 text-accent" /> ضریب‌های تبدیل
-                </h4>
-                {rowsLoading ? (
-                  <div className="conv-empty">در حال بارگذاری…</div>
-                ) : !rows.length ? (
-                  <div className="conv-empty">هنوز ضریبی برای این متریال ثبت نشده است.</div>
-                ) : (
-                  rows.map((r) => (
-                    <div key={r.id}>
-                      <div className="cg-head">
-                        {unitDisplay(r.unit) || `واحد #${r.unit_id}`} ← {ref}
-                      </div>
-                      <div className="conv-row">
-                        <span className="cv-brand">{brandNameFor(r) || "همه برندها"}</span>
-                        <span className="cv-factor">{faNum(r.conversion_factor)}</span>
-                        <span className="cv-arrow">×</span>
-                        <span className="cv-unit">{ref}</span>
-                        <span className="conv-actions">
-                          <button type="button" title="ویرایش" onClick={() => startEdit(r)}>
-                            <Pencil className="h-3.5 w-3.5" />
-                          </button>
-                          <button type="button" title="حذف" onClick={() => void deleteMu(r)}>
-                            <Trash2 className="h-3.5 w-3.5" />
-                          </button>
-                        </span>
-                      </div>
-                    </div>
-                  ))
-                )}
-
-                {/* فرم افزودن ضریب */}
-                <div className="add-conv">
-                  <h4 className="mb-2 text-[13.5px] font-bold">
-                    {editingId ? (
-                      <>
-                        <Pencil className="me-1 inline h-3.5 w-3.5" /> ویرایش ضریب تبدیل
-                      </>
-                    ) : (
-                      <>
-                        <Plus className="me-1 inline h-3.5 w-3.5" /> افزودن ضریب تبدیل
-                      </>
-                    )}
-                  </h4>
-                  <div className="grid grid-cols-1 gap-2 sm:grid-cols-[1.2fr_0.6fr_1fr_0.8fr_auto] sm:items-end">
-                    <div className="field">
-                      <label>واحد پیشنهادشده</label>
-                      <Combobox
-                        value={formUnit}
-                        onChange={(it) => setFormUnit(it.label)}
-                        items={units.map((u) => unitDisplay(u)).filter(Boolean)}
-                        allowAdd
-                        addSuffix="به عنوان واحد جدید"
-                        placeholder="مثلاً حلقه"
-                        onInputChange={setFormUnit}
-                      />
-                    </div>
-                    <div className="field">
-                      <label>ضریب</label>
-                      <NumberInput
-                        value={factorNum()}
-                        onChange={(n) => setFormFactor(n != null ? String(n) : "")}
-                        placeholder="مثلاً 0.98"
-                        inputMode="decimal"
-                      />
-                    </div>
-                    <div className="field">
-                      <label>برند (خالی = همه برندها)</label>
-                      <Combobox
-                        value={formBrand}
-                        onChange={(it) => setFormBrand(it.label)}
-                        items={allBrands}
-                        allowAdd
-                        disabled={!!editingId}
-                        addSuffix="به عنوان برند جدید"
-                        placeholder="مثلاً راجین"
-                        onInputChange={setFormBrand}
-                      />
-                    </div>
-                    <div className="field">
-                      <label>به واحد (مرجع)</label>
-                      <input
-                        type="text"
-                        className="h-9 w-full rounded-lg border border-line bg-slate-bg px-3 text-sm text-muted"
-                        value={ref || "مرجع"}
-                        placeholder="مرجع"
-                        readOnly
-                      />
-                    </div>
-                    <div className="flex items-center gap-1.5">
-                      <Button size="sm" onClick={() => void saveConv()}>
-                        {editingId ? "ذخیره تغییرات" : "افزودن"}
-                      </Button>
-                      {editingId && (
-                        <Button
-                          size="sm"
-                          variant="slate"
-                          onClick={() => {
-                            setEditingId(null);
-                            setFormUnit("");
-                            setFormFactor("");
-                            setFormBrand("");
-                          }}
-                        >
-                          انصراف
-                        </Button>
-                      )}
-                    </div>
-                  </div>
-                  <div className="conv-live">{convLive}</div>
-                </div>
-
                 {/* واحدهای ناشناخته */}
                 {unknownUnits.length > 0 && (
                   <>
@@ -829,6 +823,121 @@ export function UnitsPage() {
                     تبدیل ثابت برای همه‌ی متریال‌ها اعمال می‌شود؛ ضریب یعنی: ۱ از واحد = ضریب × به واحد
                   </div>
                 </div>
+
+
+                {/* ضرایب متریال */}
+                <h4 className="sec-title">
+                  <Repeat className="me-1 inline h-4 w-4 text-accent" /> ضریب‌های تبدیل
+                </h4>
+                {rowsLoading ? (
+                  <div className="conv-empty">در حال بارگذاری…</div>
+                ) : !rows.length ? (
+                  <div className="conv-empty">هنوز ضریبی برای این متریال ثبت نشده است.</div>
+                ) : (
+                  rows.map((r) => (
+                    <div key={r.id}>
+                      <div className="cg-head">
+                        {unitDisplay(r.unit) || `واحد #${r.unit_id}`} ← {ref}
+                      </div>
+                      <div className="conv-row">
+                        <span className="cv-brand">{brandNameFor(r) || "همه برندها"}</span>
+                        <span className="cv-factor">{faNum(r.conversion_factor)}</span>
+                        <span className="cv-arrow">×</span>
+                        <span className="cv-unit">{ref}</span>
+                        <span className="conv-actions">
+                          <button type="button" title="ویرایش" onClick={() => startEdit(r)}>
+                            <Pencil className="h-3.5 w-3.5" />
+                          </button>
+                          <button type="button" title="حذف" onClick={() => void deleteMu(r)}>
+                            <Trash2 className="h-3.5 w-3.5" />
+                          </button>
+                        </span>
+                      </div>
+                    </div>
+                  ))
+                )}
+
+                {/* فرم افزودن ضریب */}
+                <div className="add-conv">
+                  <h4 className="mb-2 text-[13.5px] font-bold">
+                    {editingId ? (
+                      <>
+                        <Pencil className="me-1 inline h-3.5 w-3.5" /> ویرایش ضریب تبدیل
+                      </>
+                    ) : (
+                      <>
+                        <Plus className="me-1 inline h-3.5 w-3.5" /> افزودن ضریب تبدیل
+                      </>
+                    )}
+                  </h4>
+                  <div className="grid grid-cols-1 gap-2 sm:grid-cols-[1.2fr_0.6fr_1fr_0.8fr_auto] sm:items-end">
+                    <div className="field">
+                      <label>واحد پیشنهادشده</label>
+                      <Combobox
+                        value={formUnit}
+                        onChange={(it) => setFormUnit(it.label)}
+                        items={units.map((u) => unitDisplay(u)).filter(Boolean)}
+                        allowAdd
+                        addSuffix="به عنوان واحد جدید"
+                        placeholder="مثلاً حلقه"
+                        onInputChange={setFormUnit}
+                      />
+                    </div>
+                    <div className="field">
+                      <label>ضریب</label>
+                      <NumberInput
+                        value={factorNum()}
+                        onChange={(n) => setFormFactor(n != null ? String(n) : "")}
+                        placeholder="مثلاً 0.98"
+                        inputMode="decimal"
+                      />
+                    </div>
+                    <div className="field">
+                      <label>برند (خالی = همه برندها)</label>
+                      <Combobox
+                        value={formBrand}
+                        onChange={(it) => setFormBrand(it.label)}
+                        items={allBrands}
+                        allowAdd
+                        disabled={!!editingId}
+                        addSuffix="به عنوان برند جدید"
+                        placeholder="مثلاً راجین"
+                        onInputChange={setFormBrand}
+                      />
+                    </div>
+                    <div className="field">
+                      <label>به واحد (مرجع)</label>
+                      <input
+                        type="text"
+                        className="h-9 w-full rounded-lg border border-line bg-slate-bg px-3 text-sm text-muted"
+                        value={ref || "مرجع"}
+                        placeholder="مرجع"
+                        readOnly
+                      />
+                    </div>
+                    <div className="flex items-center gap-1.5">
+                      <Button size="sm" onClick={() => void saveConv()}>
+                        {editingId ? "ذخیره تغییرات" : "افزودن"}
+                      </Button>
+                      {editingId && (
+                        <Button
+                          size="sm"
+                          variant="slate"
+                          onClick={() => {
+                            setEditingId(null);
+                            setFormUnit("");
+                            setFormFactor("");
+                            setFormBrand("");
+                          }}
+                        >
+                          انصراف
+                        </Button>
+                      )}
+                    </div>
+                  </div>
+                  <div className="conv-live">{convLive}</div>
+                </div>
+
               </>
             )}
           </section>

frontend/tsconfig.app.json

@@ -1,10 +1,11 @@
 {
   "compilerOptions": {
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
-    "target": "es2023",
+    "target": "ESNext",
-    "lib": ["ES2023", "DOM"],
+    "lib": ["ESNext", "DOM"],
     "module": "esnext",
     "types": ["vite/client"],
+    "strict": true,
     "allowArbitraryExtensions": true,
     "skipLibCheck": true,
 
@@ -23,4 +24,4 @@
     "noFallthroughCasesInSwitch": true
   },
   "include": ["src"]
-}
+}

sql/migration.sql

@@ -455,7 +455,6 @@ CREATE TABLE inventory_transactions (
     physical_qty          NUMERIC(18,6),
     transfer_pair_id      UUID,
     performed_by          TEXT,
-    delivered_to          TEXT,
     transaction_date      TIMESTAMPTZ                  NOT NULL DEFAULT now(),
     note                  TEXT,
     created_at            TIMESTAMPTZ                  NOT NULL DEFAULT now()