Add model-specific battlsnake configs

Author: john-b-yang

configs/ablations/ladder/battlesnake.yaml

@@ -4,6 +4,9 @@
 # rung until it loses.  Run:  uv run codeclash ladder run configs/ablations/ladder/battlesnake.yaml
 tournament:
   rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
 game:
   name: BattleSnake
   sims_per_round: 250
@@ -26,104 +29,4 @@ player:
 prompts:
   game_description: |-
     BattleSnake ladder
-ladder:
-- agent: dummy
-  branch_init: human/pambrose/pambrose-kotlin
-- agent: dummy
-  branch_init: human/Nettogrof/nessegrev-julia
-- agent: dummy
-  branch_init: human/Nettogrof/nessegrev-java
-- agent: dummy
-  branch_init: human/csauve/bookworm
-- agent: dummy
-  branch_init: human/coreyja/improbable-irene
-- agent: dummy
-  branch_init: human/graeme-hill/snakebot
-- agent: dummy
-  branch_init: human/coreyja/devious-devin
-- agent: dummy
-  branch_init: human/m-schier/kreuzotter
-- agent: dummy
-  branch_init: human/nbw/nbw-crystal
-- agent: dummy
-  branch_init: human/Xe/since
-- agent: dummy
-  branch_init: human/ccSnake2018/ccsnake
-- agent: dummy
-  branch_init: human/coreyja/bombastic-bob
-- agent: dummy
-  branch_init: human/coreyja/coreyja-rs
-- agent: dummy
-  branch_init: human/coreyja/jump-flooding
-- agent: dummy
-  branch_init: human/zacpez/scape-goat
-- agent: dummy
-  branch_init: human/tim-hub/awesome-snake
-- agent: dummy
-  branch_init: human/rdbrck/btas
-- agent: dummy
-  branch_init: human/Spenca/vulture-snake
-- agent: dummy
-  branch_init: human/moxuz/pinky-snek
-- agent: dummy
-  branch_init: human/coreyja/amphibious-arthur
-- agent: dummy
-  branch_init: human/OliverMKing/astar-snake
-- agent: dummy
-  branch_init: human/nbw/nbw-ruby
-- agent: dummy
-  branch_init: human/coreyja/eremetic-eric
-- agent: dummy
-  branch_init: human/coreyja/gigantic-george
-- agent: dummy
-  branch_init: human/Flipez/flipez-crystal
-- agent: dummy
-  branch_init: human/jackisherwood/battlesnake-elon
-- agent: dummy
-  branch_init: human/MorganConrad/tantilla
-- agent: dummy
-  branch_init: human/ChaelCodes/cornelius
-- agent: dummy
-  branch_init: human/joshhartmann11/battlejake2019
-- agent: dummy
-  branch_init: human/coreyja/famished-frank
-- agent: dummy
-  branch_init: human/kentmacdonald2/beames
-- agent: dummy
-  branch_init: human/TheApX/hungry
-- agent: dummy
-  branch_init: human/xtagon/nagini
-- agent: dummy
-  branch_init: human/joshhartmann11/battlejake
-- agent: dummy
-  branch_init: human/tyrelh/tyrelh-python
-- agent: dummy
-  branch_init: human/zakwht/zakwht-2018
-- agent: dummy
-  branch_init: human/rdbrck/bountysnake2018
-- agent: dummy
-  branch_init: human/JerryKott/jerrykott-2017
-- agent: dummy
-  branch_init: human/altersaddle/untimely-neglected-wearable
-- agent: dummy
-  branch_init: human/MorganConrad/sisiutl
-- agent: dummy
-  branch_init: human/tyrelh/tyrelh-2018
-- agent: dummy
-  branch_init: human/noahspriggs/tr-8r
-- agent: dummy
-  branch_init: human/woofers/woofers-java
-- agent: dummy
-  branch_init: human/Petah/project-z
-- agent: dummy
-  branch_init: human/tbgiles/feisty-snake
-- agent: dummy
-  branch_init: human/hirethissnake/sneaky-snake
-- agent: dummy
-  branch_init: human/aleksiy325/snek-two
-- agent: dummy
-  branch_init: human/tyrelh/tyrelh-2019
-- agent: dummy
-  branch_init: human/jhawthorn/snek
-- agent: dummy
-  branch_init: human/smallsco/robosnake
+ladder: !include ablations/ladder/rungs/battlesnake.yaml

configs/ablations/ladder/battlesnake__gemini_3_5_flash.yaml

@@ -0,0 +1,26 @@
+# BattleSnake ladder climbed by gemini-3-5-flash. Requires LLAMA_API_KEY in .env.
+#   uv run codeclash ladder run configs/ablations/ladder/battlesnake__gemini_3_5_flash.yaml
+tournament:
+  rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
+game:
+  name: BattleSnake
+  sims_per_round: 250
+  args:
+    width: 11
+    height: 11
+    browser: false
+player:
+  agent: mini
+  name: gemini-3-5-flash
+  branch_init: human/pambrose/pambrose-kotlin
+  config:
+    agent: !include mini/default.yaml
+    model: !include mini/models/llama_gemini_3_5_flash.yaml
+  push: True
+prompts:
+  game_description: |-
+    BattleSnake ladder
+ladder: !include ablations/ladder/rungs/battlesnake.yaml

configs/ablations/ladder/battlesnake__gpt_5_5.yaml

@@ -0,0 +1,26 @@
+# BattleSnake ladder climbed by gpt-5-5. Requires LLAMA_API_KEY in .env.
+#   uv run codeclash ladder run configs/ablations/ladder/battlesnake__gpt_5_5.yaml
+tournament:
+  rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
+game:
+  name: BattleSnake
+  sims_per_round: 250
+  args:
+    width: 11
+    height: 11
+    browser: false
+player:
+  agent: mini
+  name: gpt-5-5
+  branch_init: human/pambrose/pambrose-kotlin
+  config:
+    agent: !include mini/default.yaml
+    model: !include mini/models/llama_gpt_5_5.yaml
+  push: True
+prompts:
+  game_description: |-
+    BattleSnake ladder
+ladder: !include ablations/ladder/rungs/battlesnake.yaml

configs/ablations/ladder/battlesnake__opus_4_7.yaml

@@ -0,0 +1,26 @@
+# BattleSnake ladder climbed by opus-4-7. Requires LLAMA_API_KEY in .env.
+#   uv run codeclash ladder run configs/ablations/ladder/battlesnake__opus_4_7.yaml
+tournament:
+  rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
+game:
+  name: BattleSnake
+  sims_per_round: 250
+  args:
+    width: 11
+    height: 11
+    browser: false
+player:
+  agent: mini
+  name: opus-4-7
+  branch_init: human/pambrose/pambrose-kotlin
+  config:
+    agent: !include mini/default.yaml
+    model: !include mini/models/llama_opus_4_7.yaml
+  push: True
+prompts:
+  game_description: |-
+    BattleSnake ladder
+ladder: !include ablations/ladder/rungs/battlesnake.yaml

configs/ablations/ladder/battlesnake__opus_4_8.yaml

@@ -0,0 +1,26 @@
+# BattleSnake ladder climbed by opus-4-8. Requires LLAMA_API_KEY in .env.
+#   uv run codeclash ladder run configs/ablations/ladder/battlesnake__opus_4_8.yaml
+tournament:
+  rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
+game:
+  name: BattleSnake
+  sims_per_round: 250
+  args:
+    width: 11
+    height: 11
+    browser: false
+player:
+  agent: mini
+  name: opus-4-8
+  branch_init: human/pambrose/pambrose-kotlin
+  config:
+    agent: !include mini/default.yaml
+    model: !include mini/models/llama_opus_4_8.yaml
+  push: True
+prompts:
+  game_description: |-
+    BattleSnake ladder
+ladder: !include ablations/ladder/rungs/battlesnake.yaml

configs/ablations/ladder/battlesnake__sonnet_5.yaml

@@ -0,0 +1,26 @@
+# BattleSnake ladder climbed by sonnet-5. Requires LLAMA_API_KEY in .env.
+#   uv run codeclash ladder run configs/ablations/ladder/battlesnake__sonnet_5.yaml
+tournament:
+  rounds: 5
+ladder_rules:
+  min_round_win_fraction: 0.5   # advance only on a strict majority of rounds
+  win_last_k: 1                 # ...and win the last K rounds (K=1 == just the final round)
+game:
+  name: BattleSnake
+  sims_per_round: 250
+  args:
+    width: 11
+    height: 11
+    browser: false
+player:
+  agent: mini
+  name: sonnet-5
+  branch_init: human/pambrose/pambrose-kotlin
+  config:
+    agent: !include mini/default.yaml
+    model: !include mini/models/llama_sonnet_5.yaml
+  push: True
+prompts:
+  game_description: |-
+    BattleSnake ladder
+ladder: !include ablations/ladder/rungs/battlesnake.yaml