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Code split to allow small LLM to work on it

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Dejvino 2026-06-30 18:47:44 +02:00
parent 91b1b35cfa
commit 64b6416929
12 changed files with 1129 additions and 1024 deletions
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8
AGENTS.md
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@ -137,6 +137,14 @@ python3 tools/engine.py --action "I head to the market"
```
## Testing Commands
nWhen committing, also use the pre-commit validator to check for oversized Python files.
n## Pre-commit Validation
Before committing, run the pre-commit validator script to ensure no Python file is too large.
```bash
./pre-commit.sh
```
Always run tests before making changes. This prevents runtime errors like missing imports.

9
pre-commit.sh Executable file
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@ -0,0 +1,9 @@
#!/bin/bash
ERRORS=$(python3 -c "import os; [f for f in os.listdir('./tools') if f.endswith('.py') and os.path.getsize(os.path.join('./tools', f)) > 2048]")
if [ -z "$ERRORS" ]; then
echo "OK"
else
echo "You need to refactor this:"
echo "$ERRORS"
exit 1
fi

1069
tools/engine.py
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File diff suppressed because it is too large Load Diff

63
tools/llm.py Normal file
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@ -0,0 +1,63 @@
#!/usr/bin/env python3
"""
llm.py — LLM interaction layer for The Chaos engine.
Provides the low-level call_llm function and environment variable setup
for provider-specific auth.
"""
from __future__ import annotations
import os
from state import append_llm_log
def set_llm_env(model: str, api_key: str | None, api_base: str | None) -> None:
"""Set provider-specific env vars for litellm."""
prefix = model.split("/")[0].upper()
key = api_key or "sk-placeholder"
os.environ[f"{prefix}_API_KEY"] = key
if api_base:
os.environ[f"{prefix}_API_BASE"] = api_base
def call_llm(
messages: list[dict],
*,
model: str,
temperature: float,
timeout: int,
max_tokens: int,
label: str = "",
on_debug: callable = None,
) -> str | None:
"""Make a single LLM call. Returns content text or None on error."""
try:
import litellm
except ImportError:
if on_debug:
on_debug("llm_error", {"label": label, "error": "litellm not installed"})
return None
try:
response = litellm.completion(
model=model,
messages=messages,
temperature=temperature,
stream=False,
timeout=timeout,
max_tokens=max_tokens,
)
content = getattr(response.choices[0].message, 'content', None) or ""
reasoning = getattr(response.choices[0].message, 'reasoning_content', None) or ""
if reasoning and reasoning not in content:
append_llm_log(f"\n--- {label} [reasoning] ---\n{reasoning}")
text = content or reasoning
append_llm_log(f"\n--- {label} ---\n{text}")
return text
except Exception as e:
err_msg = f"{type(e).__name__}: {e}"
append_llm_log(f"\n--- LLM ERROR ({label}) ---\n{err_msg}")
if on_debug:
on_debug("llm_error", {"label": label, "error": err_msg})
return None

35
tools/models.py Normal file
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@ -0,0 +1,35 @@
#!/usr/bin/env python3
"""
models.py — Data classes for The Chaos game engine.
"""
from __future__ import annotations
from dataclasses import dataclass, field
from typing import Optional
@dataclass
class GenerationResult:
"""Legacy result — kept for backward compat with CLI main()."""
narrative: str
choices: list[str] = field(default_factory=list)
log_entry: Optional[str] = None
ambience: Optional[str] = None
character_updates: Optional[str] = None
world_updates: Optional[str] = None
journal_add: list[str] = field(default_factory=list)
journal_done: list[str] = field(default_factory=list)
error: Optional[str] = None
@dataclass
class TurnResult:
"""Output of a complete turn via finalize_turn tool."""
book_log: str = ""
user_prompt: str = ""
ambience: Optional[str] = None
log_entry: Optional[str] = None
error: Optional[str] = None
debug_info: str = ""
changes: list[str] = field(default_factory=list)

27
tools/paths.py Normal file
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@ -0,0 +1,27 @@
#!/usr/bin/env python3
"""
paths.py — Path constants for The Chaos game engine.
Shared by engine.py, run.py, and all sub-modules.
"""
from __future__ import annotations
from datetime import date
from pathlib import Path
BASE_DIR = Path(__file__).resolve().parent.parent
SESSION_DIR = BASE_DIR / 'session'
CONFIG_PATH = SESSION_DIR / 'config.json'
CHAR_PATH = SESSION_DIR / 'character.md'
WORLD_PATH = SESSION_DIR / 'world.md'
BOOK_PATH = SESSION_DIR / 'book.md'
JOURNAL_PATH = SESSION_DIR / 'journal.md'
AMBIENCE_PATH = SESSION_DIR / 'ambience.md'
LOG_DIR = SESSION_DIR / 'log'
LLM_LOG_PATH = SESSION_DIR / 'llm.log'
AMBIENCE_OPTIONS_PATH = SESSION_DIR / "ambience_options.md"
CHANGES_PATH = SESSION_DIR / "changes.md"
AUDIO_DIR = SESSION_DIR / "audio"
TODAY = date.today().isoformat()

86
tools/prompts.py Normal file
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@ -0,0 +1,86 @@
#!/usr/bin/env python3
"""
prompts.py — System prompt templates for The Chaos game engine.
"""
from __future__ import annotations
from string import Template
SYSTEM_PROMPT = Template("""You are the DM for "The Chaos". Narrate in 2nd person ("You"), vivid but concise. Player: Dillion.
## Rules
- **Odds**: 1d6, 4+ favourable, 3- trouble.
- **Traits**: 3d6, roll UNDER trait.
- **Combat**: 1d6, 4+ hits. Damage: 1d6 + mod - armour.
- **Wounds at 0 HP**: 1d6 → 1-2 die, 3-4 -1 max HP, 5-6 -1 all rolls until healed.
- **Modifiers**: Favourable +1, Risky -1, Desperate -2.
## Tools (action only)
Wrap in ```tool to perform an action:
```
{"tool": "roll", "args": {"dice": "1d6"}}
```
- **roll** — dice, modifier
- **player_roll** — dice, reason
- **character_update** — content: "full sheet" (if HP/cash/gear/stats change)
- **world_update** — content: "full world" (if NPCs/locations/threads change)
- **journal_update** — add: [...], done: [...]
You have the full state above — no need to look anything up. Just write the story and use tools when the player's action changes something.
## State
### Character
$character
### World
$world
### Log
$log
### Story
$story""")
PROSE_PROMPT = Template("""You are the DM for "The Chaos". Narrate in 2nd person ("You"), vivid but concise. Player: Dillion.
## Rules
- **Odds**: 1d6, 4+ favourable, 3- trouble.
- **Traits**: 3d6, roll UNDER trait.
- **Combat**: 1d6, 4+ hits. Damage: 1d6 + mod - armour.
- **Wounds at 0 HP**: 1d6 → 1-2 die, 3-4 -1 max HP, 5-6 -1 all rolls until healed.
- **Modifiers**: Favourable +1, Risky -1, Desperate -2.
A die is cast at the start of each turn — incorporate it into your narrative.
End your response with a `### Changes` block listing what changed:
### Changes
- Current Health: 3
- Cash: 45 silver
- Added to inventory: Silver key
- Removed from inventory: Torches (10)
- Replaced gear: Mace (1d6+1) → Mace (1d6+2)
- Note: Found a hidden passage
- Journal done: Defeat the demon
- Journal add: Investigate the mine
Only include lines for things that actually changed. Omit unused lines entirely.
## State
### Character
$character
### World
$world
### Log
$log
### Story
$story""")

13
tools/run.py
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@ -24,7 +24,10 @@ from rich.markdown import Markdown as RichMarkdown
from rich.theme import Theme
# ── Game engine ─────────────────────────────────────────
from engine import GameEngine, GenerationResult, TurnResult, LLM_LOG_PATH
from engine import GameEngine
from models import GenerationResult, TurnResult
from paths import LLM_LOG_PATH
import state
# ── Optional miniaudio ────────────────────────────────────
try:
@ -1033,17 +1036,17 @@ class ChaosTUI(App):
from datetime import datetime
ts = datetime.now().strftime("%H:%M")
if result.log_entry:
self.engine.append_log(f"- **{ts}** — {result.log_entry}")
state.append_log(f"- **{ts}** — {result.log_entry}")
elif result.book_log:
first_line = result.book_log.strip().split("\n")[0][:80]
self.engine.append_log(f"- **Turn** — {first_line}")
state.append_log(f"- **Turn** — {first_line}")
# Archive the turn's book log
if result.book_log:
self.engine.archive_turn(result.book_log)
state.archive_turn(result.book_log)
# Apply state changes
self.engine.apply_state(result)
state.apply_state(result)
# Display the next user prompt
self._display_scene(result)

210
tools/state.py Normal file
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@ -0,0 +1,210 @@
#!/usr/bin/env python3
"""
state.py — Game state persistence and file I/O for The Chaos engine.
Standalone functions that read/write session files. No dependency on
GameEngine or other modules besides paths.
"""
from __future__ import annotations
import re
import sys
from datetime import date, datetime, timedelta
from pathlib import Path
from paths import (
CHAR_PATH, WORLD_PATH, BOOK_PATH, JOURNAL_PATH, AMBIENCE_PATH,
LOG_DIR, LLM_LOG_PATH, AMBIENCE_OPTIONS_PATH, CHANGES_PATH,
AUDIO_DIR, TODAY,
)
from models import TurnResult
def read_file(path: Path) -> str:
"""Read a text file, return empty string if missing."""
return path.read_text().strip() if path.exists() else ""
def read_recent_log(max_entries: int = 5) -> str:
"""Read the latest log file and return the last N entries."""
log_path = LOG_DIR / f"{TODAY}.md"
if not log_path.exists():
yesterday = (date.today() - timedelta(days=1)).isoformat()
log_path = LOG_DIR / f"{yesterday}.md"
if not log_path.exists():
return "*No recent events.*"
lines = log_path.read_text().splitlines()
entries = [l for l in lines if l.strip().startswith("- ")]
return "\n".join(entries[-max_entries:]) or "*No recent events.*"
def read_recent_book(max_turns: int = 1) -> str:
"""Return the last N turns from the book as context."""
text = read_file(BOOK_PATH)
if not text:
return "*No prior story.*"
turns = text.split("\n## ")
recent = turns[-max_turns:]
return "\n## ".join(recent) if len(turns) > 1 else recent[0]
def truncate_world(text: str) -> str:
"""Extract key world context: NPCs, factions, active threads, rumours."""
if not text or text == "*No world state.*":
return text
sections = re.split(r"\n(?=## |### )", text)
parts = []
for sec in sections:
header = sec.split("\n")[0].strip() if sec else ""
if "Active Threads" in header:
parts.append(sec)
elif "Notable NPCs" in header or "Factions at Play" in header or "### Rumours" in header:
parts.append(sec)
result = "\n\n".join(parts)
return result or text[:1500] + "\n_(world truncated)_"
def get_valid_ambiences() -> set[str]:
"""Parse ambience_options.md and return set of valid ambience names."""
valid = {"silence"}
if not AMBIENCE_OPTIONS_PATH.exists():
return valid
in_table = False
for line in AMBIENCE_OPTIONS_PATH.read_text().splitlines():
s = line.strip()
if not s.startswith("|") or not s.endswith("|"):
in_table = False
continue
if in_table and all(c in "-:| " for c in s):
continue
parts = [p.strip() for p in s.split("|") if p.strip()]
if not parts:
continue
if not in_table:
in_table = True
continue
name = parts[0].lower()
files_str = parts[1] if len(parts) > 1 else ""
files = [f.strip() for f in files_str.split(",")]
has_files = any((AUDIO_DIR / f).exists() or f for f in files)
if has_files:
valid.add(name)
return valid
def validate_update_size(name: str, new_content: str, path: Path) -> bool:
"""Reject updates more than 30% shorter than existing — likely partial paste."""
if not path.exists():
return True
old = path.read_text().strip()
if not old:
return True
ratio = len(new_content) / len(old)
if ratio < 0.7:
print(
f"WARNING: {name} update rejected ({ratio:.0%} of original size "
f"= {len(new_content)} vs {len(old)} chars) — likely a partial paste.",
file=sys.stderr,
)
return False
return True
def apply_state(result: TurnResult) -> None:
"""Write state changes from a TurnResult to disk."""
if result.ambience:
AMBIENCE_PATH.write_text(result.ambience.strip().lower() + "\n")
if result.changes:
CHANGES_PATH.write_text("\n".join(result.changes) + "\n")
else:
CHANGES_PATH.write_text("")
def archive_turn(narrative: str) -> None:
"""Append the narrative as a new turn in book.md."""
timestamp = datetime.now().strftime("%Y-%m-%d %H:%M")
heading = f"\n\n## Turn — {timestamp}\n\n"
BOOK_PATH.parent.mkdir(parents=True, exist_ok=True)
with open(BOOK_PATH, "a") as f:
f.write(heading + narrative.strip() + "\n")
def append_log(entry: str) -> None:
"""Append a log entry to today's log file."""
LOG_DIR.mkdir(parents=True, exist_ok=True)
log_path = LOG_DIR / f"{TODAY}.md"
if not log_path.exists():
log_path.write_text(f"# Session Log — {TODAY}\n\n")
with open(log_path, "a") as f:
f.write(entry.strip() + "\n")
def append_llm_log(text: str) -> None:
"""Append raw LLM activity to llm.log for debugging."""
LLM_LOG_PATH.parent.mkdir(parents=True, exist_ok=True)
with open(LLM_LOG_PATH, "a") as f:
f.write(text + "\n")
def update_journal(add: list[str] | None = None, done: list[str] | None = None) -> None:
"""Add or complete TODO items in journal.md."""
if not JOURNAL_PATH.exists():
JOURNAL_PATH.write_text("# Journal\n\n## TODO\n\n## DONE\n\n")
lines = JOURNAL_PATH.read_text().splitlines()
todo_items: list[str] = []
done_items: list[str] = []
before_todo: list[str] = []
between: list[str] = []
after_done: list[str] = []
section = "before_todo"
for line in lines:
stripped = line.strip()
if stripped == "## TODO":
section = "todo"
before_todo.append(line)
elif stripped == "## DONE":
section = "done"
between.append(line)
elif section == "before_todo":
before_todo.append(line)
elif section == "todo":
if stripped.startswith("- "):
todo_items.append(stripped[2:])
else:
between.append(line)
elif section == "done":
if stripped.startswith("- "):
done_items.append(stripped[2:])
else:
after_done.append(line)
if done:
done_set = set(done)
todo_items = [i for i in todo_items if i not in done_set]
new_done = [i for i in done if i not in done_items]
done_items.extend(new_done)
if add:
todo_set = set(todo_items)
new_todo = [i for i in add if i not in todo_set]
todo_items = new_todo + todo_items
out = list(before_todo)
for item in todo_items:
out.append(f"- {item}")
out.extend(between)
for item in done_items:
out.append(f"- {item}")
out.extend(after_done)
cleaned = []
prev_blank = False
for line in out:
is_blank = line.strip() == ""
if is_blank and prev_blank:
continue
cleaned.append(line)
prev_blank = is_blank
JOURNAL_PATH.write_text("\n".join(cleaned) + "\n")

78
tools/test_imports.py
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@ -5,47 +5,57 @@ import sys
import os
import ast
MODULES = [
'engine.py',
'paths.py',
'models.py',
'prompts.py',
'state.py',
'tools_handler.py',
'llm.py',
]
def check_missing_imports():
"""Check for missing imports that would cause NameError."""
errors = []
tool_dir = os.path.dirname(__file__)
# Check engine.py
engine_path = os.path.join(os.path.dirname(__file__), 'engine.py')
with open(engine_path, 'r') as f:
engine_content = f.read()
for mod_file in MODULES:
mod_path = os.path.join(tool_dir, mod_file)
if not os.path.exists(mod_path):
errors.append(f"Module not found: {mod_file}")
continue
with open(mod_path, 'r') as f:
content = f.read()
# Parse the file to find all names used
tree = ast.parse(engine_content)
tree = ast.parse(content)
# Collect all names that are used (not defined)
names_used = set()
for node in ast.walk(tree):
if isinstance(node, ast.Name):
names_used.add(node.id)
names_used = set()
for node in ast.walk(tree):
if isinstance(node, ast.Name):
names_used.add(node.id)
# Check for common missing imports
common_modules = {
'random',
're',
'json',
'traceback',
'datetime',
'time',
'os',
'sys',
'pathlib',
'functools',
'collections',
'typing',
'io',
'string',
}
common_modules = {
'random',
're',
'json',
'traceback',
'datetime',
'time',
'os',
'sys',
'pathlib',
'functools',
'collections',
'typing',
'io',
'string',
}
for module in common_modules:
if module in names_used and not hasattr(sys.modules.get(module, None), '__file__'):
# Check if it's used but not imported
if f'import {module}' not in engine_content and f'from {module} import' not in engine_content:
errors.append(f"Missing import: {module}")
for module in common_modules:
if module in names_used and not hasattr(sys.modules.get(module, None), '__file__'):
if f'import {module}' not in content and f'from {module} import' not in content:
errors.append(f"{mod_file}: Missing import: {module}")
return errors
@ -57,5 +67,5 @@ if __name__ == '__main__':
print(f" - {error}")
sys.exit(1)
else:
print("✓ All imports present")
print("✓ All imports present across all modules")
sys.exit(0)

66
tools/test_runtime.py
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@ -1,43 +1,60 @@
#!/usr/bin/env python3
"""Test that the engine module can be imported without errors."""
"""Test that all engine modules can be imported without errors."""
import sys
import os
import traceback
def test_module_import(module_name):
"""Try importing a module and return (ok, error_msg)."""
try:
__import__(module_name)
return True, None
except Exception as e:
return False, f"{type(e).__name__}: {e}\n{traceback.format_exc()}"
def test_engine_import():
"""Test that the engine module imports without errors."""
"""Test that all modules import without errors."""
errors = []
try:
# Add the tools directory to the path
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
# Import the engine module
import engine
print(f"✓ Engine module imported successfully")
modules_to_test = [
('paths', ['BASE_DIR', 'SESSION_DIR', 'CHAR_PATH', 'LLM_LOG_PATH']),
('models', ['GenerationResult', 'TurnResult']),
('prompts', ['SYSTEM_PROMPT', 'PROSE_PROMPT']),
('state', ['read_file', 'apply_state', 'append_log', 'append_llm_log']),
('tools_handler', ['execute_tool', 'extract_tool_calls', 'TOOL_REGISTRY']),
('llm', ['call_llm', 'set_llm_env']),
('engine', ['GameEngine']),
]
# Check for common runtime errors
if not hasattr(engine, 'GameEngine'):
errors.append("GameEngine class not found")
else:
print(f"✓ GameEngine class found")
for mod_name, expected_attrs in modules_to_test:
ok, err = test_module_import(mod_name)
if not ok:
errors.append(f"Import error ({mod_name}): {err}")
continue
print(f"✓ {mod_name} module imported successfully")
# Check that generate_with_tools_single exists
if hasattr(engine.GameEngine, 'generate_with_tools_single'):
print(f"✓ generate_with_tools_single method found")
else:
errors.append("generate_with_tools_single method not found")
mod = sys.modules[mod_name]
for attr in expected_attrs:
if not hasattr(mod, attr):
errors.append(f"{mod_name}: {attr} not found")
else:
print(f" ✓ {mod_name}.{attr} exists")
except ImportError as e:
errors.append(f"Import error: {e}")
except AttributeError as e:
errors.append(f"Attribute error: {e}")
except Exception as e:
errors.append(f"Unexpected error: {e}\n{traceback.format_exc()}")
# Check that GameEngine has generate_with_tools_single
import engine
if hasattr(engine.GameEngine, 'generate_with_tools_single'):
print(f"✓ engine.GameEngine.generate_with_tools_single method found")
else:
errors.append("engine.GameEngine.generate_with_tools_single method not found")
return errors
if __name__ == '__main__':
errors = test_engine_import()
if errors:
@ -46,4 +63,5 @@ if __name__ == '__main__':
print(f" - {error}")
sys.exit(1)
else:
print("\n✓ All modules validated successfully")
sys.exit(0)

463
tools/tools_handler.py Normal file
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@ -0,0 +1,463 @@
#!/usr/bin/env python3
"""
tools_handler.py — Tool call infrastructure for The Chaos engine.
Handles tool call extraction, execution, and description. All functions
are standalone — no dependency on the GameEngine class.
"""
from __future__ import annotations
import json
import random
import re
from paths import CHAR_PATH, WORLD_PATH, LOG_DIR, TODAY
from state import read_file, validate_update_size, update_journal, append_llm_log
# ── Tool Registry ───────────────────────────────────────────────────────────
TOOL_REGISTRY: dict[str, dict] = {
"roll": {"description": "Roll dice.", "args": {"dice": "1d6", "modifier": "+1"}},
"player_roll": {"description": "Ask player to roll.", "args": {"dice": "1d6", "reason": "why"}},
"modify_traits": {"description": "Change STR/DEX/WIL.", "args": {"str": "optional", "dex": "optional", "wil": "optional"}},
"modify_vitals": {"description": "Change HP, cash, weapon, armour.", "args": {"current_hp": "optional", "max_hp": "optional", "cash": "optional", "weapon": "optional", "armour": "optional"}},
"add_to_inventory": {"description": "Add item to gear.", "args": {"item": "item name and stats"}},
"remove_from_inventory": {"description": "Remove item from gear.", "args": {"item": "exact item text"}},
"replace_gear": {"description": "Replace gear by exact match.", "args": {"before": "exact text", "after": "new text"}},
"add_note": {"description": "Add note to sheet.", "args": {"note": "note content"}},
"replace_note": {"description": "Replace note by exact match.", "args": {"before": "exact text", "after": "new text"}},
"world_update": {"description": "Replace world state.", "args": {"content": "full world markdown"}},
"journal_update": {"description": "Update TODO/DONE.", "args": {"add": "[...]", "done": "[...]"}},
"finalize_turn": {"description": "End turn.", "args": {"user_prompt": "question for player", "ambience": "soundscape name"}},
}
# ── Character Sheet Patcher ─────────────────────────────────────────────────
def patch_character(pattern: str, repl: str, count: int = 1, flags: int = 0) -> str:
"""Apply a regex replacement to character.md. Returns error msg or empty string."""
text = CHAR_PATH.read_text()
new, n = re.subn(pattern, repl, text, count=count, flags=flags)
if n == 0:
return f"**Error:** pattern not found:\n{pattern}"
CHAR_PATH.write_text(new)
return ""
# ── Individual Tool Implementations ─────────────────────────────────────────
def tool_think(args: dict) -> str:
return ""
def tool_read_file(args: dict) -> str:
filename = (args or {}).get("file", "")
paths = {
"character": CHAR_PATH,
"world": WORLD_PATH,
"log": LOG_DIR / f"{TODAY}.md",
}
path = paths.get(filename)
if not path:
return f"Unknown file: {filename}. Choose from: {', '.join(paths)}"
return read_file(path) or f"*{filename} is empty.*"
def tool_roll(args: dict) -> str:
import random
dice_str = (args or {}).get("dice", "1d6")
modifier_str = (args or {}).get("modifier", "0")
try:
count, sides = dice_str.lower().split("d")
count = int(count) if count else 1
sides = int(sides)
except (ValueError, TypeError):
return f"Invalid dice: {dice_str}. Use format like '2d6'."
mod = 0
if modifier_str:
try:
mod = int(modifier_str)
except ValueError:
pass
rolls = [random.randint(1, sides) for _ in range(count)]
total = sum(rolls) + mod
mod_str = f" {'+' if mod >= 0 else ''}{mod}" if mod != 0 else ""
return f"Roll: {dice_str}{mod_str} → [{', '.join(str(r) for r in rolls)}] = {total}"
def tool_modify_traits(args: dict) -> str:
errors = []
for stat in ("str", "dex", "wil"):
val = args.get(stat)
if val is not None:
err = patch_character(
rf"^(- \*\*{stat.upper()}:\*\*\s*)\d+", rf"\g<1>{val}", count=1, flags=re.MULTILINE
)
if err:
errors.append(err)
return "; ".join(errors) if errors else "Traits updated."
def tool_modify_vitals(args: dict) -> str:
errors = []
for field, label in [("current_hp", "Current Health"), ("max_hp", "Max Health"),
("cash", "Cash"), ("weapon", "Weapon"), ("armour", "Armour")]:
val = args.get(field)
if val is not None:
err = patch_character(
rf"^(- \*\*{label}:\*\*\s*).*", rf"\g<1>{val}", count=1, flags=re.MULTILINE
)
if err:
errors.append(err)
return "; ".join(errors) if errors else "Vitals updated."
def tool_add_to_inventory(args: dict) -> str:
item = (args or {}).get("item", "")
if not item:
return "**Error:** `item` is required."
text = CHAR_PATH.read_text()
if item in text:
return f"Item already in inventory: {item}"
gear_section = re.search(r"^## Gear\n", text, re.MULTILINE)
if gear_section:
insert_at = gear_section.end()
text = text[:insert_at] + f"- {item}\n" + text[insert_at:]
else:
text += f"\n## Gear\n- {item}\n"
CHAR_PATH.write_text(text)
return f"Added to inventory: {item}"
def tool_remove_from_inventory(args: dict) -> str:
item = (args or {}).get("item", "")
if not item:
return "**Error:** `item` is required."
err = patch_character(rf"^- {re.escape(item)}\n?", "", count=1, flags=re.MULTILINE)
if err:
return f"**Error:** item not found: {item}"
return f"Removed from inventory: {item}"
def tool_replace_gear(args: dict) -> str:
before = (args or {}).get("before", "")
after = (args or {}).get("after", "")
if not before or not after:
return "**Error:** `before` and `after` are required."
err = patch_character(rf"^- {re.escape(before)}", f"- {after}", count=1, flags=re.MULTILINE)
if err:
return f"**Error:** gear not found: {before}"
return f"Gear replaced: {before} → {after}"
def tool_add_note(args: dict) -> str:
note = (args or {}).get("note", "")
if not note:
return "**Error:** `note` is required."
text = CHAR_PATH.read_text()
notes_section = re.search(r"^## Notes & Scribbles\n", text, re.MULTILINE)
if notes_section:
text = text[:notes_section.end()] + f"- {note}\n" + text[notes_section.end():]
else:
text += f"\n## Notes & Scribbles\n- {note}\n"
CHAR_PATH.write_text(text)
return f"Note added: {note}"
def tool_replace_note(args: dict) -> str:
before = (args or {}).get("before", "")
after = (args or {}).get("after", "")
if not before or not after:
return "**Error:** `before` and `after` are required."
err = patch_character(rf"^- {re.escape(before)}", f"- {after}", count=1, flags=re.MULTILINE)
if err:
return f"**Error:** note not found: {before}"
return f"Note replaced."
def tool_world_update(args: dict) -> str:
content = (args or {}).get("content", "")
if not content:
return "**Error:** `content` is required."
if not validate_update_size("world", content, WORLD_PATH):
return "**Error:** Update rejected — content is too short (likely a partial paste)."
WORLD_PATH.write_text(content.strip() + "\n")
return "World state updated."
def tool_journal_update(args: dict) -> str:
add = (args or {}).get("add", [])
done = (args or {}).get("done", [])
if isinstance(add, str):
add = [add]
if isinstance(done, str):
done = [done]
if not add and not done:
return "**Error:** Provide at least one of `add` or `done`."
update_journal(add=add, done=done)
return "Journal updated."
# ── Tool Dispatcher ─────────────────────────────────────────────────────────
def execute_tool(tool_name: str, args: dict) -> str:
"""Execute a tool by name. Returns result string."""
fn_map = {
"roll": tool_roll,
"modify_traits": tool_modify_traits,
"modify_vitals": tool_modify_vitals,
"add_to_inventory": tool_add_to_inventory,
"remove_from_inventory": tool_remove_from_inventory,
"replace_gear": tool_replace_gear,
"add_note": tool_add_note,
"replace_note": tool_replace_note,
"world_update": tool_world_update,
"journal_update": tool_journal_update,
}
fn = fn_map.get(tool_name)
if not fn:
return f"Unknown tool: {tool_name}"
try:
return fn(args)
except Exception as e:
import traceback
tb = traceback.format_exc()
append_llm_log(f"\n--- TOOL ERROR ({tool_name}) ---\n{tb}")
return f"Tool error ({tool_name}): {e}"
# ── Descriptions ────────────────────────────────────────────────────────────
def describe_tool_action(tool_name: str, args: dict) -> str:
"""Return a user-facing status message for a tool call."""
dm_status = (args or {}).get("dm_status")
if dm_status:
return f"DM is {dm_status}..."
read_descriptions = {
"character": "reading the character sheet",
"world": "consulting the world map",
"book": "reviewing the story so far",
"log": "checking the session log",
"journal": "scanning the journal",
}
if tool_name == "read_file":
file = (args or {}).get("file", "")
desc = read_descriptions.get(file, f"reading {file}")
elif tool_name in ("character_get", "world_get", "journal_get"):
file = tool_name.replace("_get", "")
desc = read_descriptions.get(file, f"reading {file}")
elif tool_name in ("character_update", "world_update"):
desc = "updating the records"
elif tool_name == "journal_update":
desc = "updating the journal"
elif tool_name == "roll":
dice = (args or {}).get("dice", "1d6")
mod = (args or {}).get("modifier")
desc = f"rolling {dice}"
if mod:
desc += f" {mod}"
elif tool_name == "player_roll":
dice = (args or {}).get("dice", "1d6")
desc = f"asking you to roll {dice}"
elif tool_name == "modify_traits":
desc = "updating traits"
elif tool_name == "modify_vitals":
desc = "updating vitals"
elif tool_name == "add_to_inventory":
desc = "adding item to inventory"
elif tool_name == "remove_from_inventory":
desc = "removing item from inventory"
elif tool_name == "replace_gear":
desc = "replacing gear"
elif tool_name == "add_note":
desc = "adding note"
elif tool_name == "replace_note":
desc = "replacing note"
else:
desc = f"using {tool_name}"
return f"DM is {desc}..."
def describe_change(tool_name: str, args: dict) -> str:
"""Build a compact human-readable change description from a tool call."""
if tool_name == "modify_vitals":
parts = []
for k, v in args.items():
label = k.replace("_", " ").title()
parts.append(f"{label}: {v}")
return f"⚡ {', '.join(parts)}" if parts else ""
elif tool_name == "modify_traits":
parts = []
for k, v in args.items():
parts.append(f"{k.upper()}: {v}")
return f"⚡ {', '.join(parts)}"
elif tool_name == "add_to_inventory":
return f"+ {args.get('item', '?')}"
elif tool_name == "remove_from_inventory":
return f"− {args.get('item', '?')}"
elif tool_name == "replace_gear":
return f"↻ {args.get('before', '?')} → {args.get('after', '?')}"
elif tool_name == "add_note":
note = args.get("note", "?")
return f"📝 {note[:60]}{'…' if len(note) > 60 else ''}"
elif tool_name == "replace_note":
return f"📝 {args.get('before', '?')[:40]} → {args.get('after', '?')[:40]}"
elif tool_name == "world_update":
return "🌍 World updated"
elif tool_name == "journal_update":
parts = []
for a in args.get("add", []):
parts.append(f"📋 {a}")
for d in args.get("done", []):
parts.append(f"✅ {d}")
return "; ".join(parts) if parts else ""
return ""
# ── Changes Block Parser ────────────────────────────────────────────────────
def parse_changes_block(changes_block: str) -> list[dict]:
"""Parse a ### Changes block into tool call dicts."""
calls = []
for raw_line in changes_block.split("\n"):
line = raw_line.strip()
if not line.startswith("- "):
continue
content = line[2:].strip()
m = re.match(r"Current Health:\s*(\d+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "modify_vitals", "args": {"current_hp": m.group(1)}})
continue
m = re.match(r"Cash:\s*(\d+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "modify_vitals", "args": {"cash": m.group(1)}})
continue
m = re.match(r"Max Health:\s*(\d+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "modify_vitals", "args": {"max_hp": m.group(1)}})
continue
m = re.match(r"Add(?:ed)? to inventory:\s*(.+)", content, re.IGNORECASE)
if m:
for item in [i.strip() for i in m.group(1).split(",") if i.strip()]:
calls.append({"tool": "add_to_inventory", "args": {"item": item}})
continue
m = re.match(r"Remov(?:e|ed) from inventory:\s*(.+)", content, re.IGNORECASE)
if m:
for item in [i.strip() for i in m.group(1).split(",") if i.strip()]:
calls.append({"tool": "remove_from_inventory", "args": {"item": item}})
continue
m = re.match(r"Replace(?:d)? gear:\s*(.+?)\s*[→➜]\s*(.+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "replace_gear", "args": {"before": m.group(1).strip(), "after": m.group(2).strip()}})
continue
m = re.match(r"Note:\s*(.+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "add_note", "args": {"note": m.group(1).strip()}})
continue
m = re.match(r"Journal add:\s*(.+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "journal_update", "args": {"add": [i.strip() for i in m.group(1).split(",") if i.strip()]}})
continue
m = re.match(r"Journal done:\s*(.+)", content, re.IGNORECASE)
if m:
calls.append({"tool": "journal_update", "args": {"done": [i.strip() for i in m.group(1).split(",") if i.strip()]}})
continue
m = re.match(r"Looted from .+:\s*(.+)", content, re.IGNORECASE)
if m:
items_text = m.group(1).strip()
calls.append({"tool": "add_note", "args": {"note": f"Looted: {items_text}"}})
continue
return calls
# ── Extraction Functions ────────────────────────────────────────────────────
def extract_thoughts(text: str) -> list[str]:
pattern = r"```thought\s*\n?(.*?)```"
return re.findall(pattern, text, re.DOTALL)
def extract_tool_calls(text: str, *, round_num: int = 0, on_debug: callable = None) -> list[dict]:
"""Extract tool calls from ```tool and ```json blocks."""
calls = []
seen = set()
def _try_parse(raw: str) -> dict | None:
try:
obj = json.loads(raw)
if isinstance(obj, dict) and "tool" in obj:
return obj
except json.JSONDecodeError:
pass
return None
for m in re.finditer(r"```(?:tool|json|finalize_turn)\s*\n?", text):
fence_type = m.group(0).strip("``` \n\r")
obj = None
try:
decoder = json.JSONDecoder()
obj, end = decoder.raw_decode(text, m.end())
except (json.JSONDecodeError, ValueError, StopIteration):
pass
if obj is None:
close = text.find("```", m.end())
if close > 0:
raw = text[m.end():close].strip()
def _escape_in_strings(s: str) -> str:
return re.sub(r'"(?:[^"\\]|\\.)*"', lambda x: x.group(0).replace("\n", "\\n"), s, flags=re.DOTALL)
repaired = _escape_in_strings(raw)
obj = _try_parse(repaired)
if obj is not None and isinstance(obj, dict):
if fence_type == "finalize_turn":
obj = {"tool": "finalize_turn", "args": obj}
if "tool" not in obj:
obj = None
if obj is not None:
key = (obj["tool"], json.dumps(obj.get("args", {}), sort_keys=True))
if key not in seen:
seen.add(key)
calls.append(obj)
elif on_debug:
preview = text[m.end():m.end() + 120].replace("\n", "\\n")
on_debug("parse_error", {"round": round_num, "content": preview})
return calls
def extract_final_json(text: str) -> dict | None:
pattern = r"```json\s*\n?(.*?)```"
matches = re.findall(pattern, text, re.DOTALL)
if not matches:
return None
try:
return json.loads(matches[-1].strip())
except json.JSONDecodeError:
return None
def strip_tool_blocks(text: str) -> str:
"""Remove ```tool, ```json, finalize_turn blocks from narrative text."""
return re.sub(
r'```(?:tool|json|finalize_turn)\s*\n?.*?```',
'',
text,
flags=re.DOTALL,
).strip()