addressing more code review issues

Author: visahak

kaizen/frontend/api/routes.py

@@ -44,7 +44,7 @@ def get_dashboard() -> dict[str, Any]:
     # 3. Entity counts and recent entities across namespaces
     # For MVP, we will aggregate from all available namespaces up to the limit
     total_entities = 0
-    type_breakdown: dict[str, int] = {}
+    approximate_type_breakdown: dict[str, int] = {}
     recent_entities: list[dict[str, Any]] = []
 
     for ns in namespaces:
@@ -55,7 +55,7 @@ def get_dashboard() -> dict[str, Any]:
 
             for entity in ns_entities:
                 etype = entity.type or "unknown"
-                type_breakdown[etype] = type_breakdown.get(etype, 0) + 1
+                approximate_type_breakdown[etype] = approximate_type_breakdown.get(etype, 0) + 1
 
                 # Safely handle non-string content before slicing
                 content = entity.content
@@ -86,7 +86,8 @@ def get_dashboard() -> dict[str, Any]:
         "health": health,
         "namespace_count": namespace_count,
         "total_entities": total_entities,
-        "type_breakdown": [{"type": k, "count": v} for k, v in type_breakdown.items()],
+        "approximate_type_breakdown": [{"type": k, "count": v} for k, v in approximate_type_breakdown.items()],
+        "type_breakdown_is_approx": True,
         "recent_entities": recent_entities,
     }
 

kaizen/frontend/ui/src/components/Dashboard.tsx

@@ -19,7 +19,8 @@ interface DashboardData {
     health: boolean;
     namespace_count: number;
     total_entities: number;
-    type_breakdown: TypeBreakdown[];
+    approximate_type_breakdown: TypeBreakdown[];
+    type_breakdown_is_approx: boolean;
     recent_entities: Entity[];
 }
 
@@ -90,21 +91,28 @@ export default function Dashboard() {
 
             <div className="charts-row">
                 <div className="glass-panel section-card">
-                    <h3 className="section-title">Entity Types</h3>
+                    <h3 className="section-title">
+                        Entity Types
+                        {data.type_breakdown_is_approx && (
+                            <span className="text-secondary" style={{ marginLeft: 10, fontSize: '0.8rem', fontWeight: "normal" }}>
+                                (Approximate from sample)
+                            </span>
+                        )}
+                    </h3>
                     <div className="chart-container">
-                        {data.type_breakdown.length > 0 ? (
+                        {data.approximate_type_breakdown.length > 0 ? (
                             <ResponsiveContainer width="100%" height="100%">
                                 <PieChart>
                                     <Pie
-                                        data={data.type_breakdown}
+                                        data={data.approximate_type_breakdown}
                                         innerRadius={60}
                                         outerRadius={80}
                                         paddingAngle={5}
                                         dataKey="count"
                                         nameKey="type"
                                         stroke="none"
                                     >
-                                        {data.type_breakdown.map((_entry, index) => (
+                                        {data.approximate_type_breakdown.map((_entry, index) => (
                                             <Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
                                         ))}
                                     </Pie>