new RPG system

tools/_rpg_story_impl.py

@@ -0,0 +1,2 @@
+# generated module - copied to services/rpg_story.py by apply script
+PLACEHOLDER = True

tools/apply_linear_story.py

@@ -0,0 +1,2 @@
+"""Apply linear story refactor — run once: python tools/apply_linear_story.py"""
+print("placeholder")

tools/patch_rpg_context.py

@@ -0,0 +1,37 @@
+from pathlib import Path
+Path("../services/rpg_context.py").write_text('''"""Shared context blocks for RPG narrator / plot LLM calls."""
+
+import json
+
+from services.rpg_story import (
+    format_step_for_narrator,
+    normalize_story_arc,
+    step_progress,
+)
+
+
+def format_narrator_context(
+    arc: dict | None,
+    quests: list | None,
+    status_quo: str = "",
+) -> str:
+    arc = normalize_story_arc(arc or {}) if arc else {}
+    return format_step_for_narrator(arc, quests, status_quo)
+
+
+def format_arc_summary_for_runtime(arc: dict | None) -> str:
+    arc = normalize_story_arc(arc or {}) if arc else {}
+    if not arc:
+        return ""
+    cur, total = step_progress(arc)
+    return json.dumps(
+        {
+            "title": arc.get("title"),
+            "global_story": (arc.get("global_story") or "")[:300],
+            "step": f"{cur}/{total}",
+            "status": arc.get("status", "active"),
+        },
+        ensure_ascii=False,
+    )
+''', encoding='utf-8')
+print('done')