chore: lazy-load node:os in builder, remove dogfooding guide

CLAUDE.md

@@ -150,6 +150,10 @@ Multiple Claude Code instances run concurrently in this repo. **Every session mu
 - Never add AI co-authorship lines (`Co-Authored-By` or similar) to commit messages.
 - Never add "Built with Claude Code", "Generated with Claude Code", or any variation referencing Claude Code or Anthropic to commit messages, PR descriptions, code comments, or any other output.
 
+## PR Reviews (Greptile)
+
+This repo uses [Greptile](https://greptile.com) for automated PR reviews. After pushing fixes that address review feedback, trigger a re-review by commenting `@greptileai` on the PR. Do **not** use the GitHub "re-request review" API — Greptile only responds to the comment trigger.
+
 ## Node Version
 
 Requires Node >= 20.

README.md

@@ -583,15 +583,16 @@ const { results: fused } = await multiSearchData(
 
 ## 🗺️ Roadmap
 
-See **[ROADMAP.md](ROADMAP.md)** for the full development roadmap. Current plan:
+See **[ROADMAP.md](ROADMAP.md)** for the full development roadmap and **[STABILITY.md](STABILITY.md)** for the stability policy and versioning guarantees. Current plan:
 
 1. ~~**Rust Core**~~ — **Complete** (v1.3.0) — native tree-sitter parsing via napi-rs, parallel multi-core parsing, incremental re-parsing, import resolution & cycle detection in Rust
 2. ~~**Foundation Hardening**~~ — **Complete** (v1.4.0) — parser registry, 12-tool MCP server with multi-repo support, test coverage 62%→75%, `apiKeyCommand` secret resolution, global repo registry
-3. **Intelligent Embeddings** — LLM-generated descriptions, hybrid search
-4. **Natural Language Queries** — `codegraph ask` command, conversational sessions
-5. **Expanded Language Support** — 8 new languages (12 → 20)
-6. **GitHub Integration & CI** — reusable GitHub Action, PR review, SARIF output
-7. **Visualization & Advanced** — web UI, dead code detection, monorepo support, agentic search
+3. **Architectural Refactoring** — parser plugin system, repository pattern, pipeline builder, engine strategy, domain errors, curated API
+4. **Intelligent Embeddings** — LLM-generated descriptions, hybrid search
+5. **Natural Language Queries** — `codegraph ask` command, conversational sessions
+6. **Expanded Language Support** — 8 new languages (12 → 20)
+7. **GitHub Integration & CI** — reusable GitHub Action, PR review, SARIF output
+8. **Visualization & Advanced** — web UI, dead code detection, monorepo support, agentic search
 
 ## 🤝 Contributing