fix: align .env.example with actual env vars

- Remove non-existent: WORKFLOW_LLM_BASE_URL, WORKFLOW_LLM_MODEL, WORKFLOW_CURSOR_LLM_PROVIDER
- Add missing: WORKFLOW_CURSOR_COMMAND (required for develop workflow)

小橘 🍊

.env.example

@@ -5,28 +5,20 @@
 
 # ── LLM (used by workflow-template-develop for AI-assisted coding) ──
 
-# OpenAI-compatible base URL for LLM calls
-# Default: https://dashscope.aliyuncs.com/compatible-mode/v1
-WORKFLOW_LLM_BASE_URL=
-
 # API key for LLM calls (required when using LLM features)
 WORKFLOW_LLM_API_KEY=
 
-# Model name for LLM calls
-# Default: qwen-plus
-WORKFLOW_LLM_MODEL=
-
 # ── Cursor Agent ──
 
+# CLI command to invoke the Cursor agent (required for develop workflow)
+WORKFLOW_CURSOR_COMMAND=
+
 # Model override for Cursor agent
 WORKFLOW_CURSOR_MODEL=
 
 # Timeout in milliseconds for Cursor agent operations
 WORKFLOW_CURSOR_TIMEOUT=
 
-# LLM provider for Cursor agent (e.g. anthropic, openai)
-WORKFLOW_CURSOR_LLM_PROVIDER=
-
 # ── Hermes Agent (used by workflow-template-solve-issue) ──
 
 # Model override for Hermes agent