site 1.10.0: BPM x2 / /2 (bpmhalfdouble) in the builder, docs and Mods page

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tools/changelog.json

@@ -1,6 +1,13 @@
 {
   "_about": "The site's changelog, newest first. Versions follow Semantic Versioning (MAJOR.MINOR.PATCH), dates ISO 8601 (DIN EN 28601). make_builder_data.py adds every mod's current version from its module and writes assets/versions.js.",
   "site": [
+    {
+      "version": "1.10.0",
+      "date": "2026-10-21",
+      "changes": [
+        "New mod: BPM ×2 / ÷2 (bpmhalfdouble), the track's BPM and beat grid doubled or halved from the deck, kept on the USB stick."
+      ]
+    },
     {
       "version": "1.9.0",
       "date": "2026-10-21",
@@ -389,6 +396,15 @@
           "The big waveform 624 columns wide instead of 536, to the right edge; the extra columns are ahead of the playing position. The ZOOM/GRID wheel replaced by a grey ZOOM / GRID box over the BPM display."
         ]
       }
+    ],
+    "bpmhalfdouble": [
+      {
+        "version": "0.2.0",
+        "date": "2026-10-21",
+        "changes": [
+          "TAG TRACK held + CALL ◀ / ▶ halves or doubles the loaded track's BPM and beat grid; the track is loaded again with it, so display, beat ticks, bars, quantize and Pro DJ Link follow. Kept on the USB stick in PIONEER/PIONAARR.BPM. Results under 60 or over 240 BPM refused."
+        ]
+      }
     ]
   }
 }

tools/make_builder_data.py

@@ -140,7 +140,7 @@ def apply_ops(app, stock, ops, hk, size):
 
 
 MODS_ALL = ('extended_bpm', 'phasemeter', 'advanced_waveforms', 'beatjump', 'cuecolours', 'hotcuekeys',
-            'ledsaver', 'keynotation', 'usbautoload', 'quicksearch', 'cuenames', 'played', 'endwarn', 'wide_waveform', 'credit')
+            'ledsaver', 'keynotation', 'usbautoload', 'quicksearch', 'cuenames', 'played', 'endwarn', 'wide_waveform', 'bpmhalfdouble', 'credit')
 
 
 def python_bundle(repo):