Eval script consolidation (#238)

The script now supports:
   - YAML and JSON configurations
   - Dataset-specific parameters
   - Overriding configuration via command line
   - Detailed logging and error handling

eval/yaml/claude-3.5-sonnet.yaml

@@ -0,0 +1,34 @@
+# Combined configuration for Claude 3.5 Sonnet
+model: "anthropic/claude-3.5-sonnet"
+provider: "Anthropic"
+output_dir: "results"
+max_concurrent: 10
+default_size: 50
+default_seed: 45
+
+categories:
+  - category: "algorithmic"
+    datasets:
+      - dataset: "count_primes"
+      - dataset: "game_of_life"
+      - dataset: "graph_color"
+      - dataset: "group_anagrams"
+      - dataset: "isomorphic_strings"
+      - dataset: "letter_counting"
+      - dataset: "letter_jumble"
+      - dataset: "manipulate_matrix"
+      - dataset: "number_filtering"
+      - dataset: "number_sorting"
+      - dataset: "palindrome"
+      - dataset: "pool_matrix"
+      - dataset: "ransom_note"
+      - dataset: "rotate_matrix"
+      - dataset: "sentence_reordering"
+      - dataset: "spell_backward"
+      - dataset: "spiral_matrix"
+      - dataset: "string_insertion"
+      - dataset: "string_manipulation"
+      - dataset: "string_synthesis"
+      - dataset: "word_ladder"
+      - dataset: "word_sequence_reversal"
+      - dataset: "word_sorting"