replace ascii chart

Author: giortzisg

develop-docs/sdk/telemetry/telemetry-buffer/backend-telemetry-buffer.mdx

@@ -26,39 +26,28 @@ Introduce a `Buffer` layer between the `Client` and the `Transport`. This `Buffe
 - Flush(timeout).
 - Close(timeout).
 
-```
-┌────────────────────────────────────────────────────────────────────────────┐
-│                               Client                                       │
-│   captureEvent / captureTransaction / captureCheckIn / captureLog          │
-└────────────────────────────────────────────────────────────────────────────┘
-
-                                ▼
-┌────────────────────────────────────────────────────────────────────────────┐
-│                               Buffer                                       │
-│             Add(item) · Flush(timeout) · Close(timeout)                    │
-│                                                                            │
-│   ┌──────────────────────┐  ┌──────────────────────┐  ┌──────────────────┐ │
-│   │  Error Store         │  │  Check-in Store      │  │  Log Store       │ │
-│   │  (CRITICAL)          │  │  (HIGH)              │  │  (MEDIUM)        │ │
-│   │  Timeout: N/A        │  │  Timeout: N/A        │  │  Timeout: 5s     │ │
-│   │  BatchSize: 1        │  │  BatchSize: 1        │  │  BatchSize: 100  │ │
-│   └──────────────────────┘  └──────────────────────┘  └──────────────────┘ │
-│                                │                                           │
-│                                ▼                                           │
-│   ┌─────────────────────────────────────────────────────────────────────┐  │
-│   │                    Scheduler (Weighted Round-Robin)                 │  │
-│   │  - Priority weights: CRITICAL=5, HIGH=4, MEDIUM=3, LOW=2, LOWEST=1  │  │
-│   │  - Processes a batch of items based on BatchSize and/or Timeout     │  │
-│   │  - Builds envelopes from batch                                      │  │
-│   │  - Submits envelopes to transport                                   │  │
-│   └─────────────────────────────────────────────────────────────────────┘  │
-└────────────────────────────────────────────────────────────────────────────┘
-
-                                ▼
-┌────────────────────────────────────────────────────────────────────────────┐
-│                             Transport                                      │
-│   - Single worker, disk cache, offline retry, client reports               │
-└────────────────────────────────────────────────────────────────────────────┘
+```mermaid
+flowchart TD
+    Client["Client<br/>captureEvent / captureTransaction / captureCheckIn / captureLog"]
+    
+    subgraph Buffer["Buffer<br/>Add(item) · Flush(timeout) · Close(timeout)"]
+        direction TB
+        subgraph Stores["Stores"]
+            direction LR
+            ErrorStore["Error Store<br/>(CRITICAL)<br/>Timeout: N/A<br/>BatchSize: 1"]
+            CheckInStore["Check-in Store<br/>(HIGH)<br/>Timeout: N/A<br/>BatchSize: 1"]
+            LogStore["Log Store<br/>(MEDIUM)<br/>Timeout: 5s<br/>BatchSize: 100"]
+        end
+        
+        Scheduler["Scheduler (Weighted Round-Robin)<br/>• Priority weights: CRITICAL=5, HIGH=4, MEDIUM=3, LOW=2, LOWEST=1<br/>• Processes a batch of items based on BatchSize and/or Timeout<br/>• Builds envelopes from batch<br/>• Submits envelopes to transport"]
+        
+        Stores --> Scheduler
+    end
+    
+    Transport["Transport<br/>Single worker, disk cache, offline retry, client reports"]
+    
+    Client --> Buffer
+    Buffer --> Transport
 ```
 
 #### How the Buffer works