fix: include test fixtures in repository

The tests/fixtures/runs/ directory was excluded by the 'runs' rule
in .gitignore, causing CI tests to fail with FileNotFoundError.

Author: S1M0N38

.gitignore

@@ -252,3 +252,4 @@ test-results
 BENCHMARKS_DATA.md
 benchmarks-old
 runs
+!tests/fixtures/runs/

tests/fixtures/runs/v1.0.0/default/openai/gpt-oss-120b/20260109_165752_472_RED_WHITE_BBBBBBB/requests.jsonl

@@ -0,0 +1,26 @@
+{
+  "run_won": false,
+  "run_completed": true,
+  "final_ante": 2,
+  "final_round": 4,
+  "providers": {
+    "Groq": 25,
+    "Cerebras": 9
+  },
+  "calls_total": 34,
+  "calls_success": 34,
+  "calls_error": 0,
+  "calls_failed": 0,
+  "tokens_in_total": 455289,
+  "tokens_out_total": 42069,
+  "tokens_in_avg": 13390.85294117647,
+  "tokens_out_avg": 1237.3235294117646,
+  "tokens_in_std": 310.1518818894578,
+  "tokens_out_std": 618.7600367395697,
+  "time_total_ms": 109092,
+  "time_avg_ms": 3208.5882352941176,
+  "time_std_ms": 1384.0242841985603,
+  "cost_total": 0.1022712,
+  "cost_avg": 0.0030079764705882354,
+  "cost_std": 0.0017756556516872813
+}

tests/fixtures/runs/v1.0.0/default/openai/gpt-oss-120b/20260109_165752_472_RED_WHITE_BBBBBBB/responses.jsonl

@@ -0,0 +1,10 @@
+{
+  "name": "Default",
+  "description": "The default BalatroLLM strategy",
+  "author": "BalatroLLM",
+  "version": "1.0.0",
+  "tags": [
+    "conservative",
+    "financial"
+  ]
+}

tests/fixtures/runs/v1.0.0/default/openai/gpt-oss-120b/20260109_165752_472_RED_WHITE_BBBBBBB/stats.json

@@ -0,0 +1,10 @@
+{
+  "model": {
+    "vendor": "openai",
+    "name": "gpt-oss-120b"
+  },
+  "seed": "BBBBBBB",
+  "deck": "RED",
+  "stake": "WHITE",
+  "strategy": "default"
+}