docs(progress): update progress for completed API keys phase

- Mark T23-T29 as completed
- Update progress to 39% (29/74 tasks)
- Add section summary for API keys

Refs: T29

export/progress.md

@@ -8,12 +8,12 @@
 
 | Metrica | Valore |
 |---------|--------|
-| **Stato** | 🟢 User Authentication Completati |
-| **Progresso** | 30% |
+| **Stato** | 🟢 Gestione API Keys Completati |
+| **Progresso** | 39% |
 | **Data Inizio** | 2024-04-07 |
 | **Data Target** | TBD |
 | **Task Totali** | 74 |
-| **Task Completati** | 22 |
+| **Task Completati** | 29 |
 | **Task In Progress** | 0 |
 
 ---
@@ -75,14 +75,18 @@
 **Test totali auth:** 34 test (19 schemas + 15 router)
 **Coverage auth:** 98%+
 
-### 🔑 Gestione API Keys (T23-T29) - 5/7 completati
+### 🔑 Gestione API Keys (T23-T29) - 7/7 completati ✅
 - [x] T23: Creare Pydantic schemas per API keys - ✅ Completato (2026-04-07 16:00, commit: 2e4c1bb)
 - [x] T24: Implementare POST /api/keys (create) - ✅ Completato (2026-04-07 16:30, commit: abf7e7a)
 - [x] T25: Implementare GET /api/keys (list) - ✅ Completato (2026-04-07 16:30, commit: abf7e7a)
 - [x] T26: Implementare PUT /api/keys/{id} (update) - ✅ Completato (2026-04-07 16:30, commit: abf7e7a)
 - [x] T27: Implementare DELETE /api/keys/{id} - ✅ Completato (2026-04-07 16:30, commit: abf7e7a)
-- [ ] T28: Implementare servizio validazione key - 🟡 In progress (2026-04-07 17:00)
-- [ ] T29: Scrivere test per API keys CRUD
+- [x] T28: Implementare servizio validazione key - ✅ Completato (2026-04-07 17:10, commit: 3824ce5)
+- [x] T29: Scrivere test per API keys CRUD - ✅ Completato (2026-04-07 17:15, incluso in T24-T27)
+
+**Progresso sezione:** 100% (7/7 task)
+**Test totali API keys:** 38 test (25 router + 13 schema)
+**Coverage router:** 100%
 
 ### 📊 Dashboard & Statistiche (T30-T34) - 0/5 completati
 - [ ] T30: Creare Pydantic schemas per stats