chore: add .env.example + config.yaml.example, gitignore config.yaml

- Create .env.example with placeholder keys for all providers
- Create config.yaml.example with clean reference config
- Add config.yaml and judge_logs/ to .gitignore
- Load .env in judge.py for standalone usage

4 files changed, 39 insertions, 48 deletions

diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..fcb5823
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,17 @@
+# API Keys for Experiment Providers
+# Copy this file to .env and fill in your keys.
+
+# OpenAI
+# OPENAI_API_KEY=sk-...
+
+# Google (Gemini)
+# GOOGLE_API_KEY=...
+
+# OpenRouter
+# OPENROUTER_API_KEY=sk-or-v1-...
+
+# Anthropic (required for judging)
+# ANTHROPIC_API_KEY=sk-ant-...
+
+# Groq
+# GROQ_API_KEY=gsk_...
diff --git a/.gitignore b/.gitignore
index 480213f..254545f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,12 @@ __pycache__/
 *.pyc
 
 .env
+config.yaml
 
 # Generated data
 output/
 interrogation_logs/
+judge_logs/
 tests/__pycache__/
 src/__pycache__/
+.aider*
diff --git a/config.yaml b/config.yaml.example
index 637364c..4b6f609 100644
--- a/config.yaml
+++ b/config.yaml.example
@@ -1,5 +1,6 @@
 # Experiment Configuration
-# Define providers, models, scenarios, and runs
+# Copy this file to config.yaml and customise for your runs.
+# Define providers, models, scenarios, and runs.
 
 # Default parameters (can be overridden per model)
 defaults:
@@ -28,63 +29,26 @@ providers:
     api_key_env: OPENROUTER_API_KEY
     base_url: https://openrouter.ai/api/v1
 
-
 # Models to test
 models:
-  - id: openai/gpt-oss-20b
-    provider: groq
-    reasoning_effort: medium
-    
-
-
-# - id: z-ai/glm-5
-#   provider: openrouter
-#   extra_body:
-#     thinking:
-#       enabled: true
-
-#   - id: gpt-4.5
-#     provider: openai
-#     temperature: 0.7
+  - id: gemini-3-flash-preview
+    provider: google
+    temperature: 1
 
-#   - id: claude-haiku-4-5
-#     provider: anthropic
-#     temperature: 0.7
-#     extra_body:
-#       thinking:
-#         type: "enabled"
-#         budget_tokens: 10000
+  # - id: openai/gpt-oss-20b
+  #   provider: groq
 
-# - id: gemini-3-flash-preview
-#   provider: google
-#   temperature: 1
-#   extra_body:
-#     extra_body:
-#       google:
-#         thinking_config:
-#           include_thoughts: True
-
-#   - id: anthropic/claude-sonnet-4-5
-#     provider: openrouter
-#     temperature: 0.7
-
-# - id: moonshotai/kimi-k2.5
-#   provider: moonshot
-#   temperature: 1.0
-#   extra_body:
-#     reasoning:
-#       enabled: True
+  # - id: claude-haiku-4-5
+  #   provider: anthropic
+  #   temperature: 0.7
 
 # Scenarios to run
 scenarios:
-# - path: scenarios/child_protection
-#   runs: 1
-
   - path: scenarios/corporate_sabotage_v2
     runs: 1
 
-#   - path: scenarios/log_redaction
-#     runs: 3
+  # - path: scenarios/child_protection
+  #   runs: 1
 
 # Oversight levels to test
 oversight_levels:
diff --git a/src/judge.py b/src/judge.py
index 0d5117d..076b04a 100644
--- a/src/judge.py
+++ b/src/judge.py
@@ -13,6 +13,13 @@ from typing import Any, Dict, List, Optional
 
 import anthropic
 
+# Load environment variables from .env file
+try:
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass  # python-dotenv not installed
+
 
 # ---------------------------------------------------------------------------
 # Constants