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chore: import upstream snapshot with attribution
2026-07-13 11:56:03 +08:00

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"""Petdex pet engine — shared core for the CLI, TUI, and desktop surfaces.
Petdex (https://github.com/crafter-station/petdex) is a public gallery of
animated sprite "pets" for coding agents. Each pet is a ``pet.json`` plus a
``spritesheet.{webp,png}`` of 192×208 px cells. Current Codex/petdex sheets use
an 8-column × 9-row atlas; older Hermes/petdex sheets used an 8-row atlas.
Hermes infers the row taxonomy from the sheet and maps agent activity onto
idle/run/review/failed/wave/jump.
This package is the **single source of truth** for the feature so the base
CLI (Python) and TUI (Ink, via ``tui_gateway``) never duplicate the hard
parts:
- :mod:`agent.pet.constants` — frame geometry + the :class:`PetState` enum.
- :mod:`agent.pet.state` — map agent activity → a :class:`PetState`.
- :mod:`agent.pet.manifest` — fetch the public petdex manifest.
- :mod:`agent.pet.store` — install / list / resolve pets on disk
(profile-aware via ``get_hermes_home()``).
- :mod:`agent.pet.render` — decode a spritesheet and encode frames for a
terminal (kitty / iTerm2 / sixel graphics
protocols, with a Unicode half-block
fallback).
Rendering in the Electron desktop is necessarily TypeScript (canvas), but it
reuses the same on-disk store and the same state semantics.
The whole feature is a *display* concern: it adds no model tool, mutates no
system prompt or toolset, and therefore has zero effect on prompt caching.
"""
from agent.pet.constants import (
DEFAULT_SCALE,
FRAME_H,
FRAME_W,
FRAMES_PER_STATE,
LOOP_MS,
STATE_ROWS,
PetState,
)
from agent.pet.state import derive_pet_state
__all__ = [
"DEFAULT_SCALE",
"FRAME_H",
"FRAME_W",
"FRAMES_PER_STATE",
"LOOP_MS",
"STATE_ROWS",
"PetState",
"derive_pet_state",
]