consolidate: HQ env example

hq/.env.example

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+# Agent Q3 [HQ] — Environment Variables
+
+# Models
+REASONER_MODEL=gemma4:e4b-instruct-q4_K_M
+CODER_MODEL=qwen3.5:4b-instruct-q4_K_M
+
+# Compute Strategy: round_robin | local_first | hf_first | runpod_first | load_based
+COMPUTE_STRATEGY=round_robin
+
+# Backends
+OLLAMA_URL=http://localhost:11434/v1/chat/completions
+HF_ENDPOINT=https://api-inference.huggingface.co/models/YOUR_MODEL
+HF_TOKEN=hf_xxx
+OPENROUTER_API_KEY=sk-or-xxx
+RUNPOD_API_KEY=xxx
+RUNPOD_ENDPOINT=https://api.runpod.ai/v2/YOUR_ENDPOINT/runsync
+
+# MCP / Integrations
+GITHUB_TOKEN=ghp_xxx
+SLACK_BOT_TOKEN=xoxb-xxx
+NOTION_API_KEY=secret_xxx
+LINEAR_API_KEY=lin_api_xxx
+SUPABASE_URL=https://xxx.supabase.co
+SUPABASE_SERVICE_KEY=xxx
+ALCHEMY_API_KEY=xxx
+BRAVE_API_KEY=xxx
+DATABASE_URL=postgresql://xxx
+REDIS_URL=redis://localhost:6379
+WORKSPACE_PATH=/workspace
+
+# Server
+PORT=8000