feat(dev-tools): add codebase-memory-mcp local check and docs

Document MIT dev-tool setup for Cursor code intelligence and add an
offline probe for CLI, Cursor MCP config, and Memind index readiness.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/context-runtime-local-dev.md

@@ -56,6 +56,9 @@ node scripts/check-zvec-workspace-local.mjs
 
 # MCP compactor shadow/active 逻辑
 node scripts/check-mcp-compactor-local.mjs
+
+# codebase-memory-mcp CLI + Memind 索引（见 docs/codebase-memory-mcp-local.md）
+node scripts/check-codebase-memory-mcp-local.mjs
 ```
 
 ## 用户自测清单（有 LLM 配额时）