release: v0.20 Codex-ready skill-driven core

scripts/polish.py

@@ -33,6 +33,7 @@ from scripts.lib.markdown_chunker import (
     split_by_headers,
 )
 from scripts.lib.zenmux_client import ZenMuxClient, ZenMuxError, load_secrets
+from scripts.runtime.skills import SkillRegistry
 
 DEFAULT_MODEL = "anthropic/claude-sonnet-4.6"
 MODEL_MAX_TOKENS = {
@@ -43,6 +44,16 @@ MODEL_MAX_TOKENS = {
     "anthropic/claude-haiku-4.5": 16000,
 }
 PROMPT_FILE = Path(__file__).parent / "prompts" / "polish_system.txt"
+POLISH_SKILLS = ("humanizer-cn", "output-hygiene")
+
+
+def build_polish_system_prompt(skill_registry: SkillRegistry | None = None) -> str:
+    """Build the Phase 4 polish prompt with canonical writing skills attached."""
+    registry = skill_registry or SkillRegistry()
+    parts = [PROMPT_FILE.read_text(encoding="utf-8").rstrip()]
+    for skill_name in POLISH_SKILLS:
+        parts.append(f"# Skill: {skill_name}\n\n{registry.read(skill_name).rstrip()}")
+    return "\n\n".join(parts) + "\n"
 
 
 def resolve_project(arg: str) -> Path:
@@ -163,7 +174,7 @@ def main() -> int:
     log_file = logs_dir / "polish.jsonl"
     notes_file = project_root / "phase4" / "polish_notes.jsonl"
 
-    system_prompt = PROMPT_FILE.read_text(encoding="utf-8")
+    system_prompt = build_polish_system_prompt()
     text = src_path.read_text(encoding="utf-8")
     blocks = split_by_headers(text, max_level=2)