v0.20 alpha skill-driven python core

CLAUDE.md

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+# Claude Code Project Instructions
+
+This repository is Deep Research v0.20.
+
+- Python core is the source of truth: `scripts/dr.py`, `scripts/runtime/**`, `configs/models.yaml`, `.agents/skills`.
+- Claude Code is a surface adapter. Do not perform core orchestration in the chat thread.
+- Use `.claude/skills/*/SKILL.md` commands such as `/dr-run`, `/dr-research`, `/dr-review`, `/dr-finalize`.
+- Keep formal research outputs Chinese-first. Search keywords, source titles, excerpts, DOI/URL and raw notes may remain English.
+- Do not modify `projects/**` unless the user is intentionally running a research project.
+
+Typical commands:
+
+```bash
+uv run python scripts/dr.py run "研究主题" --slug <slug> --method mckinsey_market
+uv run python scripts/dr.py research <slug> --workers 6 --execute-packets
+uv run python scripts/dr.py review <slug>
+uv run python scripts/dr.py finalize <slug>
+```