checkpoint

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

stages/006-impl_data@1/diff.patch

@@ -0,0 +1,240 @@
+diff --git a/solitaire-app/src/solitaire_tui/game.py b/solitaire-app/src/solitaire_tui/game.py
+index c91f9abbd..5ea50f59d 100644
+--- a/solitaire-app/src/solitaire_tui/game.py
++++ b/solitaire-app/src/solitaire_tui/game.py
+@@ -1,5 +1,5 @@
+ import random
+-from dataclasses import dataclass, field
++from dataclasses import dataclass
+ from typing import List, Optional, Tuple, Dict, Any
+ import copy
+ 
+@@ -13,24 +13,92 @@ class Card:
+     def is_red(self) -> bool:
+         return self.suit in ('H', 'D')
+ 
++    @property
++    def color(self) -> str:
++        return "red" if self.is_red else "black"
++
+     @property
+     def label(self) -> str:
+         ranks = {1: "A", 11: "J", 12: "Q", 13: "K"}
+         return ranks.get(self.rank, str(self.rank))
+ 
++    def display_str(self) -> str:
++        """Returns string representation of card depending on whether it is face up."""
++        if self.is_face_up:
++            suit_syms = {'H': '♥', 'D': '♦', 'C': '♣', 'S': '♠'}
++            sym = suit_syms.get(self.suit, self.suit)
++            return f"{self.label}{sym}"
++        else:
++            return "##"
++
+     def __repr__(self) -> str:
+-        suit_syms = {'H': '♥', 'D': '♦', 'C': '♣', 'S': '♠'}
+-        sym = suit_syms.get(self.suit, self.suit)
+-        face = self.label + sym if self.is_face_up else "##"
++        face = self.display_str()
+         return f"[{face}]"
+ 
+ 
++class Deck:
++    def __init__(self, seed: Optional[int] = None) -> None:
++        self.cards: List[Card] = []
++        self.seed = seed
++        self.reset()
++
++    def reset(self) -> None:
++        """Creates standard 52-card deck, face down."""
++        self.cards = [
++            Card(suit=s, rank=r, is_face_up=False)
++            for s in ['H', 'D', 'C', 'S']
++            for r in range(1, 14)
++        ]
++
++    def shuffle(self) -> None:
++        """Shuffles the deck using random or seed."""
++        if self.seed is not None:
++            random.seed(self.seed)
++        else:
++            random.seed()
++        random.shuffle(self.cards)
++
++    def draw(self) -> Card:
++        """Draws/pops a card from the deck."""
++        return self.cards.pop()
++
++    def __len__(self) -> int:
++        return len(self.cards)
++
++
++class Pile(list):
++    """Base pile representation."""
++    @property
++    def top_card(self) -> Optional[Card]:
++        return self[-1] if self else None
++
++
++class StockPile(Pile):
++    """Stock pile representation (face-down draw pile)."""
++    pass
++
++
++class WastePile(Pile):
++    """Waste pile representation (face-up drawn cards)."""
++    pass
++
++
++class FoundationPile(Pile):
++    """Foundation pile representation (builds up from Ace to King by suit)."""
++    pass
++
++
++class TableauPile(Pile):
++    """Tableau pile representation (7 columns of cards)."""
++    pass
++
++
+ class GameState:
+     def __init__(self, seed: Optional[int] = None) -> None:
+-        self.stock: List[Card] = []
+-        self.waste: List[Card] = []
+-        self.foundations: List[List[Card]] = [[] for _ in range(4)]
+-        self.tableau: List[List[Card]] = [[] for _ in range(7)]
++        self.stock: StockPile = StockPile()
++        self.waste: WastePile = WastePile()
++        self.foundations: List[FoundationPile] = [FoundationPile() for _ in range(4)]
++        self.tableau: List[TableauPile] = [TableauPile() for _ in range(7)]
+         self.history: List[Dict[str, Any]] = []
+         self.seed = seed
+         self.deal()
+@@ -65,32 +133,26 @@ class GameState:
+ 
+     def deal(self) -> None:
+         """Creates a standard 52-card deck, shuffles, and deals a new game."""
+-        suits = ['H', 'D', 'C', 'S']
+-        deck = [Card(suit=s, rank=r, is_face_up=False) for s in suits for r in range(1, 14)]
+-        
+-        if self.seed is not None:
+-            random.seed(self.seed)
+-        else:
+-            random.seed()
+-        random.shuffle(deck)
++        deck = Deck(seed=self.seed)
++        deck.shuffle()
+ 
+-        self.stock = []
+-        self.waste = []
+-        self.foundations = [[] for _ in range(4)]
+-        self.tableau = [[] for _ in range(7)]
++        self.stock = StockPile()
++        self.waste = WastePile()
++        self.foundations = [FoundationPile() for _ in range(4)]
++        self.tableau = [TableauPile() for _ in range(7)]
+         self.history = []
+ 
+         # Deal to Tableau
+         # Col 0 gets 1 card, Col 1 gets 2 cards, ..., Col 6 gets 7 cards
+         for i in range(7):
+             for j in range(i + 1):
+-                card = deck.pop()
++                card = deck.draw()
+                 if j == i:
+                     card.is_face_up = True
+                 self.tableau[i].append(card)
+ 
+         # Remaining cards go to Stock (face-down)
+-        self.stock = deck
++        self.stock = StockPile(deck.cards)
+ 
+     def draw(self) -> bool:
+         """Draws one card from Stock to Waste. Recycles Waste to Stock if Stock is empty."""
+@@ -103,10 +165,10 @@ class GameState:
+                 return False
+             # Recycle Waste back to Stock
+             # When we flip waste back to stock, we preserve order by reversing
+-            self.stock = list(reversed(self.waste))
++            self.stock = StockPile(reversed(self.waste))
+             for card in self.stock:
+                 card.is_face_up = False
+-            self.waste = []
++            self.waste = WastePile()
+             return True
+ 
+         card = self.stock.pop()
+@@ -219,7 +281,7 @@ class GameState:
+         dest_pile = self.tableau[dest_col]
+         
+         moving_stack = src_pile[card_idx:]
+-        self.tableau[src_col] = src_pile[:card_idx]
++        self.tableau[src_col] = TableauPile(src_pile[:card_idx])
+         dest_pile.extend(moving_stack)
+         
+         self.auto_reveal(src_col)
+diff --git a/solitaire-app/tests/test_game.py b/solitaire-app/tests/test_game.py
+index 03ec90162..9c82d1b13 100644
+--- a/solitaire-app/tests/test_game.py
++++ b/solitaire-app/tests/test_game.py
+@@ -126,5 +126,61 @@ class TestSolitaireGame(unittest.TestCase):
+ 
+         self.assertTrue(self.game.check_win())
+ 
++    def test_card_color_and_helpers(self):
++        # Card should have color property and display_str helper
++        red_card = Card(suit='H', rank=1, is_face_up=True)
++        black_card = Card(suit='S', rank=13, is_face_up=True)
++        face_down_card = Card(suit='D', rank=10, is_face_up=False)
++
++        self.assertEqual(red_card.color, "red")
++        self.assertEqual(black_card.color, "black")
++        self.assertTrue(red_card.is_red)
++        self.assertFalse(black_card.is_red)
++
++        self.assertEqual(red_card.display_str(), "A♥")
++        self.assertEqual(black_card.display_str(), "K♠")
++        self.assertEqual(face_down_card.display_str(), "##")
++
++        # Repr check
++        self.assertEqual(repr(red_card), "[A♥]")
++        self.assertEqual(repr(face_down_card), "[##]")
++
++    def test_deck_creation_and_shuffling(self):
++        from solitaire_tui.game import Deck
++        deck = Deck(seed=42)
++        self.assertEqual(len(deck), 52)
++
++        # Deck cards should be face-down
++        for card in deck.cards:
++            self.assertFalse(card.is_face_up)
++
++        # Drawing a card
++        top_card = deck.cards[-1]
++        drawn = deck.draw()
++        self.assertEqual(drawn, top_card)
++        self.assertEqual(len(deck), 51)
++
++        # Shuffle
++        deck2 = Deck(seed=42)
++        deck2.shuffle()
++        # Verify that the deck order has changed from unshuffled
++        unshuffled_deck = Deck()
++        self.assertNotEqual([c.suit + str(c.rank) for c in deck2.cards], [c.suit + str(c.rank) for c in unshuffled_deck.cards])
++
++    def test_pile_abstractions(self):
++        from solitaire_tui.game import StockPile, WastePile, FoundationPile, TableauPile
++        stock = StockPile([Card('H', 1), Card('D', 2)])
++        self.assertIsInstance(stock, list)
++        self.assertEqual(stock.top_card.rank, 2)
++
++        waste = WastePile()
++        self.assertIsNone(waste.top_card)
++
++        # Check types in GameState
++        self.assertIsInstance(self.game.stock, StockPile)
++        self.assertIsInstance(self.game.waste, WastePile)
++        self.assertIsInstance(self.game.foundations[0], FoundationPile)
++        self.assertIsInstance(self.game.tableau[0], TableauPile)
++
+ if __name__ == '__main__':
+     unittest.main()

stages/006-impl_data@1/status.json

@@ -0,0 +1,6 @@
+{
+  "outcome": "succeeded",
+  "notes": "Stage completed: impl_data",
+  "failure_reason": null,
+  "timestamp": "2026-06-04T18:22:41.080415Z"
+}

stages/007-verify_data@1/prompt.md

@@ -0,0 +1,27 @@
+Goal: Build a terminal-based Klondike solitaire game in Python with a curses TUI
+
+## Completed stages
+- **expand_spec**: succeeded
+  - Model: gemini-3.5-flash, 140.8k tokens in / 24.8k out
+  - Files: /home/daytona/workspace/fabro/.ai/solitaire-spec.md, /home/daytona/workspace/fabro/solitaire-app/game.py, /home/daytona/workspace/fabro/solitaire-app/main.py, /home/daytona/workspace/fabro/solitaire-app/test_game.py, /home/daytona/workspace/fabro/solitaire-app/ui.py, /home/daytona/workspace/fabro/status.json
+- **impl_setup**: succeeded
+  - Model: gemini-3.5-flash, 148.0k tokens in / 18.3k out
+  - Files: /home/daytona/workspace/fabro/solitaire-app/README.md, /home/daytona/workspace/fabro/solitaire-app/main.py, /home/daytona/workspace/fabro/solitaire-app/pyproject.toml, /home/daytona/workspace/fabro/solitaire-app/src/solitaire_tui/__init__.py, /home/daytona/workspace/fabro/solitaire-app/src/solitaire_tui/game.py, /home/daytona/workspace/fabro/solitaire-app/src/solitaire_tui/ui.py, /home/daytona/workspace/fabro/solitaire-app/tests/__init__.py, /home/daytona/workspace/fabro/solitaire-app/tests/test_game.py, /home/daytona/workspace/fabro/status.json
+- **verify_setup**: succeeded
+  - Model: gemini-3.5-flash, 154.6k tokens in / 2.2k out
+  - Files: /home/daytona/workspace/fabro/.ai/verify_setup.md, /home/daytona/workspace/fabro/status.json
+- **check_setup**: succeeded
+- **impl_data**: succeeded
+  - Model: gemini-3.5-flash, 218.9k tokens in / 18.1k out
+  - Files: /home/daytona/workspace/fabro/solitaire-app/src/solitaire_tui/game.py, /home/daytona/workspace/fabro/solitaire-app/tests/test_game.py, /home/daytona/workspace/fabro/status.json
+
+
+Verify the solitaire data structures.
+
+Run:
+cd solitaire-app && python3 -m pytest tests/ -v && python3 -m py_compile main.py src/solitaire_tui/*.py
+
+Check that Card, Deck, pile handling, and initial GameState/deal behavior are covered by tests.
+
+Write findings to .ai/verify_data.md.
+Write status.json at workspace root: outcome=succeeded if all checks pass, outcome=failed with failure_reason otherwise.

stages/007-verify_data@1/provider_used.json

@@ -0,0 +1,5 @@
+{
+  "mode": "agent",
+  "provider": "gemini",
+  "model": "gemini-3.5-flash"
+}