Merge branch '0.2.0b' into 0.2.0b

backend/app/api/routes/inventory.py

@@ -748,7 +748,7 @@ async def assign_spool(
             matching_kp = None
             for kp in spool.k_profiles:
                 if kp.printer_id == data.printer_id and kp.nozzle_diameter == nozzle_diameter:
-                    if slot_extruder is not None and kp.extruder_id is not None and kp.extruder_id != slot_extruder:
+                    if slot_extruder is not None and kp.extruder is not None and kp.extruder != slot_extruder:
                         continue
                     matching_kp = kp
                     break
@@ -954,6 +954,99 @@ async def clear_spool_usage_history(
     return {"status": "cleared"}
 
 
+# ── AMS Weight Sync ──────────────────────────────────────────────────────────
+
+
+@router.post("/sync-ams-weights")
+async def sync_weights_from_ams(
+    db: AsyncSession = Depends(get_db),
+    _: User | None = RequirePermissionIfAuthEnabled(Permission.INVENTORY_UPDATE),
+):
+    """Force-sync spool weight_used from live AMS remain% data.
+
+    Overwrites the database weight_used for every assigned spool using the
+    current AMS remain% from connected printers.  This is a manual recovery
+    tool — it bypasses the normal "only increase" guard.
+    """
+    from backend.app.services.printer_manager import printer_manager
+
+    result = await db.execute(select(SpoolAssignment).options(selectinload(SpoolAssignment.spool)))
+    assignments = list(result.scalars().all())
+    logger.info("AMS weight sync: found %d assignments", len(assignments))
+
+    synced = 0
+    skipped = 0
+
+    for assignment in assignments:
+        spool = assignment.spool
+        if not spool:
+            logger.debug("AMS weight sync: assignment %d has no spool", assignment.id)
+            skipped += 1
+            continue
+
+        state = printer_manager.get_status(assignment.printer_id)
+        if not state or not state.raw_data:
+            logger.info(
+                "AMS weight sync: printer %d not connected, skipping spool %d",
+                assignment.printer_id,
+                spool.id,
+            )
+            skipped += 1
+            continue
+
+        ams_raw = state.raw_data.get("ams", [])
+        if isinstance(ams_raw, dict):
+            ams_raw = ams_raw.get("ams", [])
+        tray = _find_tray_in_ams_data(ams_raw, assignment.ams_id, assignment.tray_id)
+        if not tray:
+            logger.info(
+                "AMS weight sync: no tray data for spool %d (printer %d AMS%d-T%d)",
+                spool.id,
+                assignment.printer_id,
+                assignment.ams_id,
+                assignment.tray_id,
+            )
+            skipped += 1
+            continue
+
+        remain_raw = tray.get("remain")
+        if remain_raw is None:
+            logger.debug("AMS weight sync: no remain value for spool %d", spool.id)
+            skipped += 1
+            continue
+
+        try:
+            remain_val = int(remain_raw)
+        except (TypeError, ValueError):
+            skipped += 1
+            continue
+
+        if remain_val < 0 or remain_val > 100:
+            logger.debug("AMS weight sync: invalid remain=%s for spool %d", remain_raw, spool.id)
+            skipped += 1
+            continue
+
+        lw = spool.label_weight or 1000
+        new_used = round(lw * (100 - remain_val) / 100.0, 1)
+        old_used = spool.weight_used or 0
+
+        if round(old_used, 1) != new_used:
+            logger.info(
+                "AMS weight sync: spool %d weight_used %s -> %s (remain=%d%%)",
+                spool.id,
+                old_used,
+                new_used,
+                remain_val,
+            )
+            spool.weight_used = new_used
+            synced += 1
+        else:
+            skipped += 1
+
+    await db.commit()
+    return {"synced": synced, "skipped": skipped}
+
+
 # ── Helpers ──────────────────────────────────────────────────────────────────