fix: measured threshold is rotation count >= 1

Confirmed by Dawn: any rotation data counts as measured; unmeasured
is exactly rotation count 0. The old > 1 rule left single-rotation
samples looking like still-to-do work in the Unmeasured view.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/aare/gui/models/user_sample_model.py

@@ -165,9 +165,9 @@ class UserSampleSpreadsheet(QAbstractTableModel):
 
     @staticmethod
     def _measured(sample: SampleShortInfo) -> bool:
-        # Automatic status, never relabelled by hand: a sample counts as
-        # measured once its rotation count exceeds 1.
-        return isinstance(sample.rotation_count, (int, float)) and sample.rotation_count > 1
+        # Automatic status, never relabelled by hand: any rotation data
+        # counts as measured (>= 1); unmeasured is exactly rotation count 0.
+        return isinstance(sample.rotation_count, (int, float)) and sample.rotation_count >= 1
 
     def set_queued_ids(self, db_ids) -> None:
         self.queued_ids = set(db_ids)

src/aare/gui/panels/tell_sample_panel.py

@@ -178,11 +178,11 @@ class TellSamplePanel(QFrame):
             else:
                 chip = QPushButton(label, self)
                 if key == "measured":
-                    chip.setToolTip("Filter measured samples (automatic: rotation count > 1)")
+                    chip.setToolTip("Filter measured samples (automatic: rotation count ≥ 1)")
                 elif key == "unmeasured":
                     chip.setToolTip(
-                        "Filter samples not yet measured — select all here to queue"
-                        " everything still to be done"
+                        "Filter samples with no rotation data yet — select all here to"
+                        " queue everything still to be done"
                     )
             chip.setCheckable(True)
             chip.setChecked(key is None)