feat: Meshy.ai cost integration — settings, new job form, price breakdown

app.py

@@ -256,6 +256,9 @@ def init_db():
         ('ha_url',''),
         ('ha_token',''),
         ('ha_poll_interval','60'),
+        ('meshy_annual_cost','200.0'),
+        ('meshy_monthly_credits','1000'),
+        ('meshy_cost_multiplier','1.0'),
     ]
     conn.executemany('INSERT OR IGNORE INTO settings VALUES (?,?)', defaults)
 
@@ -302,6 +305,9 @@ def init_db():
         'ALTER TABLE print_slots ADD COLUMN pieces_override INTEGER DEFAULT NULL',
         'ALTER TABLE calendar_blocks ADD COLUMN date_end TEXT DEFAULT NULL',
         'ALTER TABLE jobs ADD COLUMN source_nc_path TEXT DEFAULT ""',
+        'ALTER TABLE jobs ADD COLUMN meshy_enabled INTEGER DEFAULT 0',
+        'ALTER TABLE jobs ADD COLUMN meshy_credits_used INTEGER DEFAULT 0',
+        'ALTER TABLE jobs ADD COLUMN meshy_cost REAL DEFAULT 0',
     ]
     for sql in migrations:
         try:
@@ -456,7 +462,8 @@ def parse_3mf(file_stream):
     return result
 
 def calc(weight_g, print_time_s, design_mult, gross_margin_pct, discount_pct,
-         price_per_kg_override=None, s=None, pieces_per_plate=1):
+         price_per_kg_override=None, s=None, pieces_per_plate=1,
+         meshy_enabled=False, meshy_credits_used=0):
     """
     Moteur de pricing principal — calcule le prix de vente d'une pièce.
 
@@ -509,10 +516,20 @@ def calc(weight_g, print_time_s, design_mult, gross_margin_pct, discount_pct,
     wear       = printer_w + nozzle_w + plate_w
     elec       = s['printer_power_kw'] * (print_time_s / 3600) * s['electricity_price_kwh'] / pieces_per_plate
 
+    # Coût Meshy.ai (génération IA) — pro-raté par crédits utilisés
+    meshy_unit = 0.0
+    meshy_billed = 0.0
+    if meshy_enabled and meshy_credits_used > 0:
+        _meshy_annual   = float(s.get('meshy_annual_cost', 200.0))
+        _meshy_credits  = float(s.get('meshy_monthly_credits', 1000)) or 1
+        _meshy_mult     = float(s.get('meshy_cost_multiplier', 1.0))
+        meshy_unit   = _meshy_annual / 12 / _meshy_credits
+        meshy_billed = meshy_credits_used * meshy_unit * _meshy_mult
+
     cout_fixe  = mat + mat_margin + wear + elec
-    sous_total = cout_fixe + handling + design
+    sous_total = cout_fixe + handling + design + meshy_billed
     margin     = sous_total * (gross_margin_pct / 100)
-    total_marge= handling + design + margin
+    total_marge= handling + design + meshy_billed + margin
     prix_ht    = cout_fixe + total_marge
 
     cot_rate         = s.get('cotisations_rate_pct', 12.3) / 100
@@ -557,6 +574,8 @@ def calc(weight_g, print_time_s, design_mult, gross_margin_pct, discount_pct,
         'tva_amount':         round(tva_amount, 4),
         'prix_ht_net':        round(prix_ht_net, 4),
         'prix_ttc':           round(prix_ttc, 4),
+        'meshy_cost':         round(meshy_billed, 4),
+        'meshy_unit_cost':    round(meshy_unit, 6),
         'tax_amount':         round(cot_amount + vfl_amount + other_taxes_amount, 4),
         'final_price':        round(final, 2),
         '_cot_pct':              round(cot_rate * 100, 2),
@@ -1311,19 +1330,24 @@ def new_job():
             if mat:
                 price_kg = mat['price_per_kg']
 
+        meshy_enabled_v  = bool(request.form.get('meshy_enabled'))
+        meshy_credits_v  = max(0, int(request.form.get('meshy_credits_used', 0) or 0))
         r = calc(weight_g, print_time_s, design_mult, gross_margin, discount,
-                 price_kg, s, pieces_per_plate)
+                 price_kg, s, pieces_per_plate,
+                 meshy_enabled=meshy_enabled_v, meshy_credits_used=meshy_credits_v)
         conn.execute('''INSERT INTO jobs(client_id,material_id,machine_profile_id,handling_profile_id,
             material_profile_id,pricing_profile_id,project_id,source_file,source_nc_path,plate_name,name,description,
+            meshy_enabled,meshy_credits_used,meshy_cost,
             weight_g,print_time_s,design_multiplier,gross_margin_pct,discount_pct,
             pieces_per_plate,order_qty,
             material_cost,material_margin,design_cost,handling_cost,wear_cost,electricity_cost,
             cout_fixe,total_marge,subtotal,margin_amount,marge_pct_on_ht,
             cotisations_amount,vfl_amount,tva_amount,other_taxes_amount,tax_amount,
             price_per_piece,final_price,notes)
-            VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''',
+            VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)''',
             (client_id,material_id,machine_pid,handling_pid,material_pid,pricing_pid,project_id,
              source_file,source_nc_path,plate_name,request.form['name'],request.form.get('description',''),
+             int(meshy_enabled_v),meshy_credits_v,r['meshy_cost'],
              weight_g,print_time_s,design_mult,gross_margin,discount,
              pieces_per_plate,order_qty,
              r['material_cost'],r['material_margin'],r['design_cost'],r['handling_cost'],
@@ -1687,6 +1711,8 @@ def api_calculate():
     pieces_per_plate = max(1, int(d.get('pieces_per_plate', 1)))
     order_qty        = max(1, int(d.get('order_qty', 1)))
     print_time_s     = int(d.get('hours',0))*3600 + int(d.get('minutes',0))*60
+    meshy_enabled    = bool(d.get('meshy_enabled', False))
+    meshy_credits    = max(0, int(d.get('meshy_credits_used', 0)))
 
     result = calc(
         weight_g=float(d['weight_g']),
@@ -1695,7 +1721,8 @@ def api_calculate():
         gross_margin_pct=float(d.get('gross_margin_pct',27.5)),
         discount_pct=float(d.get('discount_pct',0)),
         price_per_kg_override=price_kg, s=s,
-        pieces_per_plate=pieces_per_plate)
+        pieces_per_plate=pieces_per_plate,
+        meshy_enabled=meshy_enabled, meshy_credits_used=meshy_credits)
 
     # Multi-piece extras
     nb_plateaux     = math.ceil(order_qty / pieces_per_plate)