refactor: improve punctuation and grammar consistency across components

- Replaced em dashes with commas for better readability in descriptions
- Standardized punctuation in aria-labels (changed "—" to ",")
- Removed unnecessary em dashes in favor of commas or removed punctuation
- Fixed inconsistent spacing around punctuation marks
- Improved sentence flow in multiple component descriptions

src/pages/agents/AgentUseCase.tsx

@@ -23,7 +23,7 @@ const networkUseCases = [
   {
     title: "Run agents on your own hardware",
     description:
-      "Deploy AI processes on laptops, homelabs, edge nodes, or full clusters — no cloud dependency.",
+      "Deploy AI processes on laptops, homelabs, edge nodes, or full clusters with no cloud dependency.",
     icon: CpuChipIcon,
   },
   {