fix(telegram): edit messages in-place during server switch flow

Server switch flow now edits the original message at each step
(progress, error, company list) instead of sending separate messages.
"Server schimbat" notice is folded into the company selection header.
Also adds budget debt breakdown to dashboard formatter.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/modules/telegram/bot/formatters.py

@@ -63,6 +63,21 @@ def format_dashboard_response(data: Dict[str, Any], company_name: str = None) ->
         if tva_recup_cur > 0:
             text += f"  - TVA de recuperat curent: {tva_recup_cur:,} RON\n"
 
+    # Datorii la Buget - breakdown pe grupe (TVA / BASS / CAM), valori luna precedentă
+    budget_breakdown = data.get('budget_debt_breakdown', [])
+    if budget_breakdown:
+        grupe_cu_datorie = [
+            g for g in budget_breakdown
+            if round(float(g.get('precedent', 0))) > 0
+        ]
+        if grupe_cu_datorie:
+            total_buget = sum(round(float(g.get('precedent', 0))) for g in grupe_cu_datorie)
+            text += "\n\n**Datorii la Buget:**\n"
+            for grupa in grupe_cu_datorie:
+                val = round(float(grupa.get('precedent', 0)))
+                text += f"  - {grupa.get('label', '')}: {val:,} RON\n"
+            text += f"  Total: {total_buget:,} RON\n"
+
     return text