feat(frontend): seed CsvAnalysis buckets from animal config

frontend/src/components/CsvAnalysis.jsx

@@ -90,7 +90,7 @@ function CategoryBucket({ name, notes, colors, isOver, onDrop, onDragOver, onDra
 
 // ── Main component ─────────────────────────────────────────────────────────────
 
-export default function CsvAnalysis({ dailyStatusId, onSaved, onSummaryPushed }) {
+export default function CsvAnalysis({ dailyStatusId, animal, onSaved, onSummaryPushed }) {
   // Phase: 'upload' | 'columns' | 'classify' | 'results'
   const [phase, setPhase] = useState('upload');
 
@@ -111,7 +111,7 @@ export default function CsvAnalysis({ dailyStatusId, onSaved, onSummaryPushed })
   // Classify phase
   const [rows, setRows] = useState([]);
   const [uniqueNotes, setUniqueNotes] = useState([]);
-  const [buckets, setBuckets] = useState(DEFAULT_BUCKETS);
+  const [buckets, setBuckets] = useState(() => animal?.csv_analysis_config?.buckets ?? DEFAULT_BUCKETS);
   const [selectedNote, setSelectedNote] = useState(null);
   const [draggedNote, setDraggedNote] = useState(null);
   const [overBucket, setOverBucket] = useState(null);
@@ -290,7 +290,7 @@ export default function CsvAnalysis({ dailyStatusId, onSaved, onSummaryPushed })
     setHeaders([]);
     setRows([]);
     setUniqueNotes([]);
-    setBuckets(DEFAULT_BUCKETS);
+    setBuckets(animal?.csv_analysis_config?.buckets ?? DEFAULT_BUCKETS);
     setResults(null);
     setSavedAnalysisId(null);
     setSummaryPushed(false);

frontend/src/pages/DailyStatusDetail.jsx

@@ -699,6 +699,7 @@ export default function DailyStatusDetail() {
       {/* CSV Analysis — after past analyses */}
       <CsvAnalysis
         dailyStatusId={status.id}
+        animal={status.animal}
         onSaved={(saved) => setAnalyses((prev) => [saved, ...prev])}
         onSummaryPushed={(summary) => setStatus((prev) => ({ ...prev, analysis_summary: { ...summary, computed_at: new Date().toISOString() } }))}
       />