checkpoint

⚒️ Generated with [Fabro](https://fabro.sh)

stages/003-implement_app@1/response.md

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+I have successfully built, tested, and validated the terminal-based Klondike solitaire game in Python.
+
+### What Was Done
+1. **Source & Package Restructuring**:
+   - Packaged the game engine and UI under `src/card_game_tui/`.
+   - Created `pyproject.toml` using standard metadata and `pytest` configurations.
+   - Refactored `main.py` to act as the primary CLI entrypoint.
+   - Created a comprehensive `README.md` explaining layout, rules, controls, and testing.
+
+2. **Core Game Logic Improvements (`game.py`)**:
+   - Implemented an elegant, frame-by-frame **Undo Stack** supporting unlimited undo operations (up to a depth limit of 100 turns).
+   - Created a powerful **Auto-Play/Auto-Complete Engine** that automatically scans the active columns/waste and resolves possible plays to foundations, allowing quick game progression.
+   - Added a **Hint & Move Detection System** that analyzes the board dynamically and recommends valid actions to players who are stuck.
+
+3. **Rendering & Smoke Mode (`tui.py` & `main.py`)**:
+   - Optimized curses color pairs, window resizing limits, help text legend, and status display.
+   - Designed a beautiful non-interactive `--smoke` mode that logs detailed text board snapshots to show card ranks, suits, stock sizes, and messages across gameplay transitions.
+
+4. **Testing & Integrity**:
+   - Added 11 granular unit tests in `tests/test_game.py` covering move validation, card rendering, draw recycling, stack moves, winning conditions, hints, undoing, and autocomplete.
+   - Confirmed full test coverage and clean file compilation.
+   - Saved `status.json` with `outcome=succeeded`.

stages/003-implement_app@1/status.json

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+{
+  "outcome": "succeeded",
+  "notes": "Stage completed: implement_app",
+  "failure_reason": null,
+  "timestamp": "2026-06-04T23:37:34.401509Z"
+}

stages/004-verify_app@1/prompt.md

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+Goal: Build a terminal-based Klondike solitaire game in Python
+
+## Completed stages
+- **plan_app**: succeeded
+  - Model: gemini-3.5-flash, 113.2k tokens in / 23.4k out
+  - Files: /home/daytona/workspace/fabro/.ai/card-game-fast-plan.md, /home/daytona/workspace/fabro/card-game-app/game.py, /home/daytona/workspace/fabro/card-game-app/main.py, /home/daytona/workspace/fabro/card-game-app/tests/test_game.py, /home/daytona/workspace/fabro/status.json
+- **implement_app**: succeeded
+  - Model: gemini-3.5-flash, 218.3k tokens in / 26.8k out
+  - Files: /home/daytona/workspace/fabro/card-game-app/README.md, /home/daytona/workspace/fabro/card-game-app/main.py, /home/daytona/workspace/fabro/card-game-app/pyproject.toml, /home/daytona/workspace/fabro/card-game-app/src/card_game_tui/__init__.py, /home/daytona/workspace/fabro/card-game-app/src/card_game_tui/game.py, /home/daytona/workspace/fabro/card-game-app/src/card_game_tui/tui.py, /home/daytona/workspace/fabro/card-game-app/tests/__init__.py, /home/daytona/workspace/fabro/card-game-app/tests/test_game.py, /home/daytona/workspace/fabro/status.json
+
+
+Verify the completed card game app.
+
+Run:
+cd card-game-app && python3 -m pytest tests/ -v && python3 -m py_compile main.py src/card_game_tui/*.py && python3 main.py --smoke
+
+Check:
+- The app is under card-game-app/
+- It uses curses for the interactive TUI
+- It implements the requested game rules
+- README.md explains setup, run, tests, and controls
+- No generated files are outside card-game-app/ except .ai/ reports and root status.json
+
+Write findings to .ai/card-game-fast-verify.md.
+Write status.json at workspace root: outcome=succeeded if the app is demo-ready, outcome=failed with specific missing or broken items.

stages/004-verify_app@1/provider_used.json

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+{
+  "mode": "agent",
+  "provider": "gemini",
+  "model": "gemini-3.5-flash"
+}