First cut

.env.example

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+# ── Provider API keys ───────────────────────────────────────────────────────
+# Only keys for models you intend to use are required.
+
+# Anthropic — for claude-sonnet-4-6-20250929
+# Get key: https://console.anthropic.com/settings/keys
+ANTHROPIC_API_KEY=your-anthropic-key
+
+# OpenAI — for gpt-5.2
+# Get key: https://platform.openai.com/api-keys
+OPENAI_API_KEY=your-openai-key
+
+# Google AI Studio — for gemini-3-flash-preview
+# Get key: https://aistudio.google.com/app/apikey
+GOOGLE_API_KEY=your-google-ai-studio-key
+
+# Ollama Cloud — for qwen3.5:397b-cloud and llama4:maverick-cloud
+# Get key: https://ollama.com → account → API keys
+OLLAMA_API_KEY=your-ollama-api-key
+
+# ── Server ──────────────────────────────────────────────────────────────────
+PORT=3000
+JOB_CONCURRENCY=3