fix: Resolve all Ruff linting errors (45 issues fixed)

- Convert Optional[T] to T | None (modern Python 3.10+ syntax)
- Remove unused variables and imports
- Fix exception handling with proper from/None syntax
- Update isinstance calls to use | syntax
- Remove whitespace from blank lines
- Fix outdated version blocks
- Apply auto-formatting fixes
- Fix end-of-file issues in JSON files

✅ All 45 Ruff errors resolved
✅ Code now follows modern Python standards
✅ Ready for GitHub CI success

Author: RuiFSP

coverage.xml

@@ -3,5 +3,5 @@
   "total_matches": 10,
   "correct_predictions": 6,
   "week": 1,
-  "timestamp": "2025-07-11T08:28:30.885553"
+  "timestamp": "2025-07-11T11:09:49.332946"
 }

data/realtime_simulation/performance/week_01_performance.json

@@ -3,5 +3,5 @@
   "total_matches": 9,
   "correct_predictions": 6,
   "week": 2,
-  "timestamp": "2025-07-11T08:28:35.940253"
+  "timestamp": "2025-07-11T11:09:59.374065"
 }

data/realtime_simulation/performance/week_02_performance.json

@@ -1,7 +1,7 @@
 {
-  "accuracy": 0.7,
+  "accuracy": 0.6,
   "total_matches": 10,
-  "correct_predictions": 7,
+  "correct_predictions": 6,
   "week": 3,
-  "timestamp": "2025-07-11T08:28:40.974296"
+  "timestamp": "2025-07-11T11:10:09.412283"
 }

data/realtime_simulation/performance/week_03_performance.json

@@ -3,5 +3,5 @@
   "total_matches": 10,
   "correct_predictions": 6,
   "week": 4,
-  "timestamp": "2025-07-11T00:30:22.204696"
+  "timestamp": "2025-07-11T11:10:19.452062"
 }

data/realtime_simulation/performance/week_04_performance.json

@@ -3,5 +3,5 @@
   "total_matches": 10,
   "correct_predictions": 7,
   "week": 6,
-  "timestamp": "2025-07-11T00:27:54.640571"
+  "timestamp": "2025-07-11T11:10:50.187937"
 }

data/realtime_simulation/performance/week_06_performance.json

@@ -1,7 +1,7 @@
 {
-  "accuracy": 0.6,
+  "accuracy": 0.5,
   "total_matches": 10,
-  "correct_predictions": 6,
+  "correct_predictions": 5,
   "week": 7,
-  "timestamp": "2025-07-11T00:27:57.676420"
+  "timestamp": "2025-07-11T11:11:00.229128"
 }

data/realtime_simulation/performance/week_07_performance.json

@@ -3,5 +3,5 @@
   "total_matches": 11,
   "correct_predictions": 5,
   "week": 8,
-  "timestamp": "2025-07-11T00:28:00.715797"
+  "timestamp": "2025-07-11T11:11:24.527778"
 }

data/realtime_simulation/performance/week_08_performance.json

@@ -3,5 +3,5 @@
   "total_matches": 10,
   "correct_predictions": 6,
   "week": 9,
-  "timestamp": "2025-07-11T00:23:11.731565"
+  "timestamp": "2025-07-11T11:11:34.569950"
 }

data/realtime_simulation/performance/week_09_performance.json

@@ -0,0 +1,7 @@
+{
+  "accuracy": 0.7,
+  "total_matches": 10,
+  "correct_predictions": 7,
+  "week": 11,
+  "timestamp": "2025-07-11T11:11:44.605608"
+}