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Timmy-time-dashboard/src/timmy/focus.py
2026-03-19 02:54:19 -04:00

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Python

"""Deep focus mode — single-problem context for Timmy.
Persists focus state to a JSON file so Timmy can maintain narrow,
deep attention on one problem across session restarts.
Usage:
from timmy.focus import focus_manager
focus_manager.set_topic("three-phase loop")
topic = focus_manager.get_topic() # "three-phase loop"
ctx = focus_manager.get_focus_context() # prompt injection string
focus_manager.clear()
"""
import json
import logging
from pathlib import Path
logger = logging.getLogger(__name__)
_DEFAULT_STATE_DIR = Path.home() / ".timmy"
_STATE_FILE = "focus.json"
class FocusManager:
"""Manages deep-focus state with file-backed persistence."""
def __init__(self, state_dir: Path | None = None) -> None:
self._state_dir = state_dir or _DEFAULT_STATE_DIR
self._state_file = self._state_dir / _STATE_FILE
self._topic: str | None = None
self._mode: str = "broad"
self._load()
# ── Public API ────────────────────────────────────────────────
def get_topic(self) -> str | None:
"""Return the current focus topic, or None if unfocused."""
return self._topic
def get_mode(self) -> str:
"""Return 'deep' or 'broad'."""
return self._mode
def is_focused(self) -> bool:
"""True when deep-focus is active with a topic set."""
return self._mode == "deep" and self._topic is not None
def set_topic(self, topic: str) -> None:
"""Activate deep focus on a specific topic."""
self._topic = topic.strip()
self._mode = "deep"
self._save()
logger.info("Focus: deep-focus set → %r", self._topic)
def clear(self) -> None:
"""Return to broad (unfocused) mode."""
old = self._topic
self._topic = None
self._mode = "broad"
self._save()
logger.info("Focus: cleared (was %r)", old)
def get_focus_context(self) -> str:
"""Return a prompt-injection string for the current focus state.
When focused, this tells the model to prioritize the topic.
When broad, returns an empty string (no injection).
"""
if not self.is_focused():
return ""
return (
f"[DEEP FOCUS MODE] You are currently in deep-focus mode on: "
f'"{self._topic}". '
f"Prioritize this topic in your responses. Surface related memories "
f"and prior conversation about this topic first. Deprioritize "
f"unrelated context. Stay focused — depth over breadth."
)
# ── Persistence ───────────────────────────────────────────────
def _load(self) -> None:
"""Load focus state from disk."""
if not self._state_file.exists():
return
try:
data = json.loads(self._state_file.read_text())
self._topic = data.get("topic")
self._mode = data.get("mode", "broad")
except Exception as exc:
logger.warning("Focus: failed to load state: %s", exc)
def _save(self) -> None:
"""Persist focus state to disk."""
try:
self._state_dir.mkdir(parents=True, exist_ok=True)
self._state_file.write_text(
json.dumps({"topic": self._topic, "mode": self._mode}, indent=2)
)
except Exception as exc:
logger.warning("Focus: failed to save state: %s", exc)
# Module-level singleton
focus_manager = FocusManager()