feat: compact sample list headers, move Comment column

Count columns use glyphs instead of long headers to save width, Comment
moves ahead of the data-collection params, transmission shown as the
stored value instead of percent.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

src/aare/gui/models/user_sample_model.py

@@ -46,17 +46,17 @@ def get_entry(sample: SampleShortInfo, column: int):
     # Data-collection params straight from the AareDB spreadsheet (filled by
     # spreadsheetupdater). Nullable: samples without params show blank.
     elif column == 11:
-        return sample.aaredb_params.oscillation if sample.aaredb_params else None
+        return sample.comment
     elif column == 12:
-        return sample.aaredb_params.exposure if sample.aaredb_params else None
+        return sample.aaredb_params.oscillation if sample.aaredb_params else None
     elif column == 13:
-        return sample.aaredb_params.totalangle if sample.aaredb_params else None
+        return sample.aaredb_params.exposure if sample.aaredb_params else None
     elif column == 14:
+        return sample.aaredb_params.totalangle if sample.aaredb_params else None
+    elif column == 15:
         # Model holds a 0-1 fraction; users think in spreadsheet percent.
         t = sample.aaredb_params.transmission if sample.aaredb_params else None
-        return None if t is None else round(t * 100, 1)
-    elif column == 15:
-        return sample.comment
+        return None if t is None else t
     return ""
 
 
@@ -80,17 +80,17 @@ class UserSampleSpreadsheet(QAbstractTableModel):
             "Location",
             "Priority",
             "User",
-            "Mount count",
-            "Raster count",
+            "⧂",  # Mount count
+            "▦",  # Raster count
             # Workflow order: a sample is screened before rotation data is
             # collected, so Screening sits left of Rotation.
-            "Screening count",
-            "Rotation count",
+            "⌕",  # Screening count
+            "↻",  # Rotation count
+            "Comment",
             "Oscillation (°)",
             "Exposure (s)",
             "Total range (°)",
-            "Transmission (%)",
-            "Comment",
+            "Transmission",
         ]
         self.current_sample = current_sample
         self.current_puck = current_puck

tests/unit/gui/test_models.py

@@ -289,14 +289,15 @@ def test_spreadsheet_param_columns(status_model):
         hdr.index("Oscillation (°)"),
         hdr.index("Exposure (s)"),
         hdr.index("Total range (°)"),
-        hdr.index("Transmission (%)"),
+        hdr.index("Transmission"),
     )
     model.get_id(_row_of(model, 1)).aaredb_params = DataCollectionParameters(
         oscillation=0.1, exposure=0.01, totalangle=360, transmission=0.125
     )
     row = _row_of(model, 1)
     d = lambda c: model.data(model.index(row, c), Qt.ItemDataRole.DisplayRole)
-    assert (d(osc), d(exp), d(tot), d(trans)) == (0.1, 0.01, 360, 12.5)
+    # Transmission shown as stored, no percent conversion.
+    assert (d(osc), d(exp), d(tot), d(trans)) == (0.1, 0.01, 360, 0.125)
     # No params -> blank, and sorting a mostly-None column must not raise;
     # the real value sorts first.
     assert model.data(model.index(_row_of(model, 2), osc), Qt.ItemDataRole.DisplayRole) is None