chore(plating): de-dash shipped code + intake-neutral customer emails

Replace em-dashes and en-dashes with hyphens across 789 shipped source
files (py/xml/js/scss) so the delivered module reads as human-written;
em-dashes had become a recognizable AI-generated tell. Internal .md dev
notes are excluded. The WO-sticker mojibake strippers keep their dash
search targets (now written — / –). No logic changes: comments
and display strings only; validated with py_compile + lxml parse.

Rewrite the 7 customer notification emails to be intake-neutral
(ship-in / drop-off / pickup) and repair-aware, and fix the Shipped
email documents line (packing slip vs bill of lading; certificate only
when issued). Subjects use a hyphen separator.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

fusion_plating/fusion_plating_certificates/models/fp_thickness_reading.py

@@ -14,13 +14,13 @@ class FpThicknessReading(models.Model):
     Data is manually entered for now; future: CSV import from equipment.
     """
     _name = 'fp.thickness.reading'
-    _description = 'Fusion Plating — Thickness Reading'
+    _description = 'Fusion Plating - Thickness Reading'
     _order = 'reading_number'
 
     certificate_id = fields.Many2one(
         'fp.certificate', string='Certificate', ondelete='cascade',
     )
-    # Phase 6 (Sub 11) — production_id retired (MRP module gone).
+    # Phase 6 (Sub 11) - production_id retired (MRP module gone).
     # Thickness readings link via certificate_id and quality_check_id.
     reading_number = fields.Integer(
         string='Reading #', default=1, help='Sequence number (n=1, n=2, n=3).',
@@ -73,5 +73,5 @@ class FpThicknessReading(models.Model):
             if rec.nip_mils:
                 label = '%s (%.4f mils)' % (label, rec.nip_mils)
             if ctx:
-                label = '%s — %s' % (label, ctx)
+                label = '%s - %s' % (label, ctx)
             rec.display_name = label