diff --git a/run.json b/run.json
index b66292c07..481f94d6e 100644
--- a/run.json
+++ b/run.json
@@ -760,7 +760,7 @@
     "kind": "running"
   },
   "status_updated_at": "2026-06-04T18:07:12.456704Z",
-  "last_event_at": "2026-06-04T18:18:57.509170Z",
+  "last_event_at": "2026-06-04T18:22:41.005031Z",
   "pending_control": null,
   "checkpoints": [
     {
@@ -1054,9 +1054,207 @@
       }
     },
     {
-      "seq": 0,
+      "seq": 244,
       "checkpoint": {
-        "timestamp": "2026-06-04T18:19:04.772763Z",
+        "timestamp": "2026-06-04T18:19:04.772436Z",
+        "current_node": "verify_setup",
+        "completed_nodes": [
+          "start",
+          "expand_spec",
+          "impl_setup",
+          "verify_setup"
+        ],
+        "node_retries": {},
+        "context_values": {
+          "current_node": "verify_setup",
+          "internal.fidelity": "compact",
+          "thread.verify.current_node": "verify_setup",
+          "graph.retry_target": "impl_setup",
+          "internal.retry_count.start": 0,
+          "internal.node_visit_count": 1,
+          "graph.goal": "Build a terminal-based Klondike solitaire game in Python with a curses TUI",
+          "failure_class": "",
+          "internal.run_id": "01KT9X0N42W6PRBVH2N5914EQJ",
+          "internal.retry_count.expand_spec": 0,
+          "last_stage": "verify_setup",
+          "graph.rankdir": "LR",
+          "internal.retry_count.impl_setup": 0,
+          "graph.fallback_retry_target": "impl_logic",
+          "internal.retry_count.verify_setup": 0,
+          "outcome": "succeeded",
+          "response.expand_spec": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification** (`.ai/solitaire-spec.md`):\n   - Fully documents directory structures, core logic rules, rendering coordinates, virtual-grid cursor navigation, keyboard control schemes, and test environments.\n2. **Core Solitaire Game Engine** (`solitaire-app/game.py`):\n   - Implements standard draw-one Klondike rules including 7 tableaus, 4 foundations, stock, waste, auto-reveals, and unlimited undo history tracking.\n   - De-coupled from `curses` allowing robust independent testing.\n3. **curses-based TUI Layer** (`solitaire-app/ui.py`):\n   - A grid-based navigation scheme supporting arrow/Vim keys for visual navigation.\n   - Supports card stacking, color coding for Red/Black cards, and visual selections.\n   - Includes highly intuitive single-key **Auto-Move** (`a` key) to send valid cards directly to foundations.\n4. **Interactive Entry Point and Smoke Mode** (`solitaire-app/main.py`):\n   - Supports regular interactive play via `python3 main.py`.\n   - Supports non-interactive smoke testing via `python3 main.py --smoke`, allowing tests to verify imports, initialization, and all rules without opening an interactive terminal screen.\n5. **Rules Verification Suite** (`solitaire-app/test_game.py`):\n   - 7 automated unit tests checking deal mechanics, drawing/recycling, move constraints, auto-reveals, undo history, and winning conditions.\n6. **Task Status** (`status.json`):\n   - Recorded `outcome=succeeded` at the workspace root.",
+          "last_response": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`soli",
+          "response.verify_setup": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`solitaire-app/main.py` exists** - Confirmed and verified.\n3. **`solitaire-app/src/solitaire_tui` exists** - Confirmed and verified.\n4. **Python files compile** - Confirmed. Running `python3 -m py_compile main.py src/solitaire_tui/*.py` completes with an exit code of `0`.\n\nFurthermore, running the integrated smoke test suite with `python3 main.py --smoke` confirms that all core logic and game state rules pass without issue.\n\nI have:\n1. Written the detailed findings and verification log to `.ai/verify_setup.md`.\n2. Updated the workspace root `status.json` with `{\"outcome\": \"succeeded\"}`.",
+          "thread.start.current_node": "expand_spec",
+          "internal.thread_id": "verify",
+          "internal.work_dir": "/home/daytona/workspace/fabro",
+          "response.impl_setup": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of the completed tasks:\n1. **Directory Restructuring**:\n   - Packaged the core game code under `src/solitaire_tui/` with `__init__.py`, `game.py`, and `ui.py`.\n   - Relocated the tests to `tests/test_game.py` with `__init__.py`.\n   - Updated all necessary import paths to match this package layout.\n2. **Metadata Files Added**:\n   - Created `pyproject.toml` in `solitaire-app/` containing proper package and `pytest` configuration.\n   - Added `README.md` containing simple instructions on how to run the game and tests.\n3. **Verified Compilation**:\n   - Ran `cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py` to ensure clean syntax and layout.\n   - Verified the non-interactive smoke tests and original unit tests pass successfully under the new directory layout.\n4. **Wrote `status.json`**:\n   - Recorded the outcome as `\"succeeded\"` in `status.json` at the workspace root.",
+          "failure_signature": "",
+          "graph.default_max_retries": "3",
+          "thread.expand_spec.current_node": "impl_setup"
+        },
+        "node_outcomes": {
+          "expand_spec": {
+            "status": "succeeded",
+            "context_updates": {
+              "last_response": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification**",
+              "response.expand_spec": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification** (`.ai/solitaire-spec.md`):\n   - Fully documents directory structures, core logic rules, rendering coordinates, virtual-grid cursor navigation, keyboard control schemes, and test environments.\n2. **Core Solitaire Game Engine** (`solitaire-app/game.py`):\n   - Implements standard draw-one Klondike rules including 7 tableaus, 4 foundations, stock, waste, auto-reveals, and unlimited undo history tracking.\n   - De-coupled from `curses` allowing robust independent testing.\n3. **curses-based TUI Layer** (`solitaire-app/ui.py`):\n   - A grid-based navigation scheme supporting arrow/Vim keys for visual navigation.\n   - Supports card stacking, color coding for Red/Black cards, and visual selections.\n   - Includes highly intuitive single-key **Auto-Move** (`a` key) to send valid cards directly to foundations.\n4. **Interactive Entry Point and Smoke Mode** (`solitaire-app/main.py`):\n   - Supports regular interactive play via `python3 main.py`.\n   - Supports non-interactive smoke testing via `python3 main.py --smoke`, allowing tests to verify imports, initialization, and all rules without opening an interactive terminal screen.\n5. **Rules Verification Suite** (`solitaire-app/test_game.py`):\n   - 7 automated unit tests checking deal mechanics, drawing/recycling, move constraints, auto-reveals, undo history, and winning conditions.\n6. **Task Status** (`status.json`):\n   - Recorded `outcome=succeeded` at the workspace root.",
+              "last_stage": "expand_spec"
+            },
+            "notes": "Stage completed: expand_spec",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 140780,
+                    "output_tokens": 12878,
+                    "reasoning_tokens": 11964,
+                    "cache_read_tokens": 276729,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 476257
+            },
+            "files_touched": [
+              "/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"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 157811,
+              "tool_time_ms": 15292,
+              "active_time_ms": 173103
+            }
+          },
+          "start": {
+            "status": "succeeded",
+            "usage": null
+          },
+          "impl_setup": {
+            "status": "succeeded",
+            "context_updates": {
+              "last_response": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of th",
+              "response.impl_setup": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of the completed tasks:\n1. **Directory Restructuring**:\n   - Packaged the core game code under `src/solitaire_tui/` with `__init__.py`, `game.py`, and `ui.py`.\n   - Relocated the tests to `tests/test_game.py` with `__init__.py`.\n   - Updated all necessary import paths to match this package layout.\n2. **Metadata Files Added**:\n   - Created `pyproject.toml` in `solitaire-app/` containing proper package and `pytest` configuration.\n   - Added `README.md` containing simple instructions on how to run the game and tests.\n3. **Verified Compilation**:\n   - Ran `cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py` to ensure clean syntax and layout.\n   - Verified the non-interactive smoke tests and original unit tests pass successfully under the new directory layout.\n4. **Wrote `status.json`**:\n   - Recorded the outcome as `\"succeeded\"` in `status.json` at the workspace root.",
+              "last_stage": "impl_setup"
+            },
+            "notes": "Stage completed: impl_setup",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 147983,
+                    "output_tokens": 12018,
+                    "reasoning_tokens": 6237,
+                    "cache_read_tokens": 557262,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 469858
+            },
+            "files_touched": [
+              "/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"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 190345,
+              "tool_time_ms": 33795,
+              "active_time_ms": 224140
+            }
+          },
+          "verify_setup": {
+            "status": "succeeded",
+            "context_updates": {
+              "response.verify_setup": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`solitaire-app/main.py` exists** - Confirmed and verified.\n3. **`solitaire-app/src/solitaire_tui` exists** - Confirmed and verified.\n4. **Python files compile** - Confirmed. Running `python3 -m py_compile main.py src/solitaire_tui/*.py` completes with an exit code of `0`.\n\nFurthermore, running the integrated smoke test suite with `python3 main.py --smoke` confirms that all core logic and game state rules pass without issue.\n\nI have:\n1. Written the detailed findings and verification log to `.ai/verify_setup.md`.\n2. Updated the workspace root `status.json` with `{\"outcome\": \"succeeded\"}`.",
+              "last_stage": "verify_setup",
+              "last_response": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`soli"
+            },
+            "notes": "Stage completed: verify_setup",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 154617,
+                    "output_tokens": 1100,
+                    "reasoning_tokens": 1080,
+                    "cache_read_tokens": 0,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 251545
+            },
+            "files_touched": [
+              "/home/daytona/workspace/fabro/.ai/verify_setup.md",
+              "/home/daytona/workspace/fabro/status.json"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 28224,
+              "tool_time_ms": 12870,
+              "active_time_ms": 41094
+            }
+          }
+        },
+        "next_node_id": "check_setup",
+        "git_commit_sha": "e36ce2d2b6d7246e39c1379554db39e0db7e4930",
+        "node_visits": {
+          "verify_setup": 1,
+          "impl_setup": 1,
+          "expand_spec": 1,
+          "start": 1
+        }
+      },
+      "diff": {
+        "patch": "diff --git a/.ai/verify_setup.md b/.ai/verify_setup.md\nnew file mode 100644\nindex 000000000..46883b887\n--- /dev/null\n+++ b/.ai/verify_setup.md\n@@ -0,0 +1,50 @@\n+# Solitaire App Setup Verification\n+\n+This document verifies the setup of the terminal-based Klondike solitaire game in Python with a curses TUI.\n+\n+## Verification Checklist\n+\n+- [x] **Check 1: `solitaire-app/pyproject.toml` exists**\n+- [x] **Check 2: `solitaire-app/main.py` exists**\n+- [x] **Check 3: `solitaire-app/src/solitaire_tui` exists**\n+- [x] **Check 4: Python files compile successfully**\n+\n+## Compilation Results\n+\n+Running the requested command:\n+```bash\n+cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py\n+```\n+**Output:**\n+The command completed with exit code `0` and no compilation errors.\n+\n+Additionally, compiling the test suite:\n+```bash\n+cd solitaire-app && python3 -m py_compile tests/*.py\n+```\n+**Output:**\n+The command completed with exit code `0` and no errors.\n+\n+## Smoke Test Results\n+\n+Running the automated smoke test with `python3 main.py --smoke` succeeded perfectly:\n+```\n+Running Solitaire smoke tests...\n+✓ Successfully imported core modules (game, ui).\n+✓ GameState instantiated. Stock size: 24 cards.\n+✓ SolitaireTUI instantiated.\n+Running automated unit tests...\n+✓ All automated rules unit tests passed successfully!\n+Smoke mode passed successfully.\n+```\n+\n+The unit tests verified:\n+- Correct deck initialization and dealing.\n+- Drawing from stock / recycling waste.\n+- Moving cards between stock, waste, foundations, and tableau columns.\n+- Correct win condition verification.\n+- History tracking and complete undo functionality.\n+\n+## Conclusion\n+\n+The solitaire application setup is verified to be clean, syntactically correct, compile perfectly, and pass the logic and rule automated unit/smoke tests.\n",
+        "summary": {
+          "files_changed": 11,
+          "additions": 1149,
+          "deletions": 0
+        }
+      }
+    },
+    {
+      "seq": 252,
+      "checkpoint": {
+        "timestamp": "2026-06-04T18:19:23.316981Z",
         "current_node": "check_setup",
         "completed_nodes": [
           "start",
@@ -1067,23 +1265,232 @@
         ],
         "node_retries": {},
         "context_values": {
-          "internal.thread_id": "verify_setup",
+          "failure_class": "",
+          "response.impl_setup": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of the completed tasks:\n1. **Directory Restructuring**:\n   - Packaged the core game code under `src/solitaire_tui/` with `__init__.py`, `game.py`, and `ui.py`.\n   - Relocated the tests to `tests/test_game.py` with `__init__.py`.\n   - Updated all necessary import paths to match this package layout.\n2. **Metadata Files Added**:\n   - Created `pyproject.toml` in `solitaire-app/` containing proper package and `pytest` configuration.\n   - Added `README.md` containing simple instructions on how to run the game and tests.\n3. **Verified Compilation**:\n   - Ran `cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py` to ensure clean syntax and layout.\n   - Verified the non-interactive smoke tests and original unit tests pass successfully under the new directory layout.\n4. **Wrote `status.json`**:\n   - Recorded the outcome as `\"succeeded\"` in `status.json` at the workspace root.",
+          "response.verify_setup": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`solitaire-app/main.py` exists** - Confirmed and verified.\n3. **`solitaire-app/src/solitaire_tui` exists** - Confirmed and verified.\n4. **Python files compile** - Confirmed. Running `python3 -m py_compile main.py src/solitaire_tui/*.py` completes with an exit code of `0`.\n\nFurthermore, running the integrated smoke test suite with `python3 main.py --smoke` confirms that all core logic and game state rules pass without issue.\n\nI have:\n1. Written the detailed findings and verification log to `.ai/verify_setup.md`.\n2. Updated the workspace root `status.json` with `{\"outcome\": \"succeeded\"}`.",
+          "internal.retry_count.verify_setup": 0,
+          "thread.verify_setup.current_node": "check_setup",
+          "internal.retry_count.start": 0,
+          "graph.default_max_retries": "3",
+          "graph.rankdir": "LR",
+          "graph.goal": "Build a terminal-based Klondike solitaire game in Python with a curses TUI",
+          "last_response": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`soli",
+          "response.expand_spec": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification** (`.ai/solitaire-spec.md`):\n   - Fully documents directory structures, core logic rules, rendering coordinates, virtual-grid cursor navigation, keyboard control schemes, and test environments.\n2. **Core Solitaire Game Engine** (`solitaire-app/game.py`):\n   - Implements standard draw-one Klondike rules including 7 tableaus, 4 foundations, stock, waste, auto-reveals, and unlimited undo history tracking.\n   - De-coupled from `curses` allowing robust independent testing.\n3. **curses-based TUI Layer** (`solitaire-app/ui.py`):\n   - A grid-based navigation scheme supporting arrow/Vim keys for visual navigation.\n   - Supports card stacking, color coding for Red/Black cards, and visual selections.\n   - Includes highly intuitive single-key **Auto-Move** (`a` key) to send valid cards directly to foundations.\n4. **Interactive Entry Point and Smoke Mode** (`solitaire-app/main.py`):\n   - Supports regular interactive play via `python3 main.py`.\n   - Supports non-interactive smoke testing via `python3 main.py --smoke`, allowing tests to verify imports, initialization, and all rules without opening an interactive terminal screen.\n5. **Rules Verification Suite** (`solitaire-app/test_game.py`):\n   - 7 automated unit tests checking deal mechanics, drawing/recycling, move constraints, auto-reveals, undo history, and winning conditions.\n6. **Task Status** (`status.json`):\n   - Recorded `outcome=succeeded` at the workspace root.",
+          "thread.expand_spec.current_node": "impl_setup",
+          "last_stage": "verify_setup",
+          "internal.retry_count.expand_spec": 0,
+          "outcome": "succeeded",
+          "graph.fallback_retry_target": "impl_logic",
+          "internal.work_dir": "/home/daytona/workspace/fabro",
+          "graph.retry_target": "impl_setup",
+          "internal.node_visit_count": 1,
+          "failure_signature": "",
+          "thread.start.current_node": "expand_spec",
+          "thread.verify.current_node": "verify_setup",
+          "current_node": "check_setup",
+          "internal.fidelity": "compact",
+          "internal.retry_count.impl_setup": 0,
+          "internal.retry_count.check_setup": 0,
+          "internal.run_id": "01KT9X0N42W6PRBVH2N5914EQJ",
+          "internal.thread_id": "verify_setup"
+        },
+        "node_outcomes": {
+          "check_setup": {
+            "status": "succeeded",
+            "notes": "Conditional node evaluated: check_setup",
+            "usage": null
+          },
+          "impl_setup": {
+            "status": "succeeded",
+            "context_updates": {
+              "last_response": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of th",
+              "response.impl_setup": "I have successfully initialized and structured the Python project skeleton for the terminal-based Klondike Solitaire game in `solitaire-app/` with the required specifications.\n\nHere is a summary of the completed tasks:\n1. **Directory Restructuring**:\n   - Packaged the core game code under `src/solitaire_tui/` with `__init__.py`, `game.py`, and `ui.py`.\n   - Relocated the tests to `tests/test_game.py` with `__init__.py`.\n   - Updated all necessary import paths to match this package layout.\n2. **Metadata Files Added**:\n   - Created `pyproject.toml` in `solitaire-app/` containing proper package and `pytest` configuration.\n   - Added `README.md` containing simple instructions on how to run the game and tests.\n3. **Verified Compilation**:\n   - Ran `cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py` to ensure clean syntax and layout.\n   - Verified the non-interactive smoke tests and original unit tests pass successfully under the new directory layout.\n4. **Wrote `status.json`**:\n   - Recorded the outcome as `\"succeeded\"` in `status.json` at the workspace root.",
+              "last_stage": "impl_setup"
+            },
+            "notes": "Stage completed: impl_setup",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 147983,
+                    "output_tokens": 12018,
+                    "reasoning_tokens": 6237,
+                    "cache_read_tokens": 557262,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 469858
+            },
+            "files_touched": [
+              "/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"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 190345,
+              "tool_time_ms": 33795,
+              "active_time_ms": 224140
+            }
+          },
+          "verify_setup": {
+            "status": "succeeded",
+            "context_updates": {
+              "response.verify_setup": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`solitaire-app/main.py` exists** - Confirmed and verified.\n3. **`solitaire-app/src/solitaire_tui` exists** - Confirmed and verified.\n4. **Python files compile** - Confirmed. Running `python3 -m py_compile main.py src/solitaire_tui/*.py` completes with an exit code of `0`.\n\nFurthermore, running the integrated smoke test suite with `python3 main.py --smoke` confirms that all core logic and game state rules pass without issue.\n\nI have:\n1. Written the detailed findings and verification log to `.ai/verify_setup.md`.\n2. Updated the workspace root `status.json` with `{\"outcome\": \"succeeded\"}`.",
+              "last_stage": "verify_setup",
+              "last_response": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`soli"
+            },
+            "notes": "Stage completed: verify_setup",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 154617,
+                    "output_tokens": 1100,
+                    "reasoning_tokens": 1080,
+                    "cache_read_tokens": 0,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 251545
+            },
+            "files_touched": [
+              "/home/daytona/workspace/fabro/.ai/verify_setup.md",
+              "/home/daytona/workspace/fabro/status.json"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 28224,
+              "tool_time_ms": 12870,
+              "active_time_ms": 41094
+            }
+          },
+          "start": {
+            "status": "succeeded",
+            "usage": null
+          },
+          "expand_spec": {
+            "status": "succeeded",
+            "context_updates": {
+              "last_response": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification**",
+              "response.expand_spec": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification** (`.ai/solitaire-spec.md`):\n   - Fully documents directory structures, core logic rules, rendering coordinates, virtual-grid cursor navigation, keyboard control schemes, and test environments.\n2. **Core Solitaire Game Engine** (`solitaire-app/game.py`):\n   - Implements standard draw-one Klondike rules including 7 tableaus, 4 foundations, stock, waste, auto-reveals, and unlimited undo history tracking.\n   - De-coupled from `curses` allowing robust independent testing.\n3. **curses-based TUI Layer** (`solitaire-app/ui.py`):\n   - A grid-based navigation scheme supporting arrow/Vim keys for visual navigation.\n   - Supports card stacking, color coding for Red/Black cards, and visual selections.\n   - Includes highly intuitive single-key **Auto-Move** (`a` key) to send valid cards directly to foundations.\n4. **Interactive Entry Point and Smoke Mode** (`solitaire-app/main.py`):\n   - Supports regular interactive play via `python3 main.py`.\n   - Supports non-interactive smoke testing via `python3 main.py --smoke`, allowing tests to verify imports, initialization, and all rules without opening an interactive terminal screen.\n5. **Rules Verification Suite** (`solitaire-app/test_game.py`):\n   - 7 automated unit tests checking deal mechanics, drawing/recycling, move constraints, auto-reveals, undo history, and winning conditions.\n6. **Task Status** (`status.json`):\n   - Recorded `outcome=succeeded` at the workspace root.",
+              "last_stage": "expand_spec"
+            },
+            "notes": "Stage completed: expand_spec",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 140780,
+                    "output_tokens": 12878,
+                    "reasoning_tokens": 11964,
+                    "cache_read_tokens": 276729,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 476257
+            },
+            "files_touched": [
+              "/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"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 157811,
+              "tool_time_ms": 15292,
+              "active_time_ms": 173103
+            }
+          }
+        },
+        "next_node_id": "impl_data",
+        "git_commit_sha": "2f56c52495850689783df410fb0db39bf8cd35a0",
+        "node_visits": {
+          "check_setup": 1,
+          "start": 1,
+          "impl_setup": 1,
+          "expand_spec": 1,
+          "verify_setup": 1
+        }
+      },
+      "diff": {
+        "summary": {
+          "files_changed": 11,
+          "additions": 1149,
+          "deletions": 0
+        }
+      }
+    },
+    {
+      "seq": 0,
+      "checkpoint": {
+        "timestamp": "2026-06-04T18:22:41.080537Z",
+        "current_node": "impl_data",
+        "completed_nodes": [
+          "start",
+          "expand_spec",
+          "impl_setup",
+          "verify_setup",
+          "check_setup",
+          "impl_data"
+        ],
+        "node_retries": {},
+        "context_values": {
+          "internal.thread_id": "check_setup",
           "graph.default_max_retries": "3",
           "graph.fallback_retry_target": "impl_logic",
           "internal.retry_count.start": 0,
           "graph.rankdir": "LR",
           "failure_signature": "",
           "response.expand_spec": "I have successfully created the detailed specification and fully implemented the terminal-based Klondike Solitaire game in Python!\n\n### Summary of Completed Deliverables:\n1. **Detailed Specification** (`.ai/solitaire-spec.md`):\n   - Fully documents directory structures, core logic rules, rendering coordinates, virtual-grid cursor navigation, keyboard control schemes, and test environments.\n2. **Core Solitaire Game Engine** (`solitaire-app/game.py`):\n   - Implements standard draw-one Klondike rules including 7 tableaus, 4 foundations, stock, waste, auto-reveals, and unlimited undo history tracking.\n   - De-coupled from `curses` allowing robust independent testing.\n3. **curses-based TUI Layer** (`solitaire-app/ui.py`):\n   - A grid-based navigation scheme supporting arrow/Vim keys for visual navigation.\n   - Supports card stacking, color coding for Red/Black cards, and visual selections.\n   - Includes highly intuitive single-key **Auto-Move** (`a` key) to send valid cards directly to foundations.\n4. **Interactive Entry Point and Smoke Mode** (`solitaire-app/main.py`):\n   - Supports regular interactive play via `python3 main.py`.\n   - Supports non-interactive smoke testing via `python3 main.py --smoke`, allowing tests to verify imports, initialization, and all rules without opening an interactive terminal screen.\n5. **Rules Verification Suite** (`solitaire-app/test_game.py`):\n   - 7 automated unit tests checking deal mechanics, drawing/recycling, move constraints, auto-reveals, undo history, and winning conditions.\n6. **Task Status** (`status.json`):\n   - Recorded `outcome=succeeded` at the workspace root.",
-          "last_stage": "verify_setup",
+          "response.impl_data": "I have successfully implemented the core data structures and pile abstractions for the terminal Klondike Solitaire game, and all tests pass beautifully.\n\n### Summary of Changes:\n1. **Card Class (`game.py`)**:\n   - Added a `color` property returning `\"red\"` or `\"black\"` depending on the suit.\n   - Refactored representation and added `display_str()` display helper to render face-up cards as `A♥`, `10♦` and face-down cards as `##` dynamically.\n\n2. **Deck Class (`game.py`)**:\n   - Created a standalone `Deck` class representing a standard 52-card deck.\n   - Handles structured deck initialization (face-down cards), custom seeding, card shuffling, and drawing logic.\n\n3. **Pile Abstractions (`game.py`)**:\n   - Implemented a base `Pile` class (subclassing standard Python `list` to preserve 100% backward-compatibility and deepcopy support) with a convenient `top_card` helper property.\n   - Designed distinct subclasses: `StockPile`, `WastePile`, `FoundationPile`, and `TableauPile`.\n   - Updated `GameState` to utilize these typed pile abstractions.\n\n4. **Unit Tests (`test_game.py`)**:\n   - Added dedicated tests verifying card representation, custom properties, deck generation, shuffling mechanics, and correct types of modern pile classes in `GameState`.\n   - Successfully ran and passed all 10 automated unit tests (using both `pytest` and `unittest` discover modes).\n\n5. **Smoke Verification**:\n   - Confirmed that running `python3 main.py --smoke` executes perfectly with zero warnings/errors.\n   - Updated and wrote `status.json` with the outcome `succeeded`.",
+          "last_stage": "impl_data",
           "internal.retry_count.impl_setup": 0,
-          "last_response": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`soli",
+          "last_response": "I have successfully implemented the core data structures and pile abstractions for the terminal Klondike Solitaire game, and all tests pass beautifully.\n\n### Summary of Changes:\n1. **Card Class (`game",
           "internal.run_id": "01KT9X0N42W6PRBVH2N5914EQJ",
           "thread.expand_spec.current_node": "impl_setup",
           "internal.fidelity": "compact",
           "outcome": "succeeded",
           "internal.retry_count.expand_spec": 0,
+          "internal.retry_count.impl_data": 0,
           "graph.retry_target": "impl_setup",
-          "current_node": "check_setup",
+          "current_node": "impl_data",
           "failure_class": "",
           "response.verify_setup": "I have verified the setup for the Solitaire application. All checks have passed successfully.\n\n### Completed Checklist\n1. **`solitaire-app/pyproject.toml` exists** - Confirmed and verified.\n2. **`solitaire-app/main.py` exists** - Confirmed and verified.\n3. **`solitaire-app/src/solitaire_tui` exists** - Confirmed and verified.\n4. **Python files compile** - Confirmed. Running `python3 -m py_compile main.py src/solitaire_tui/*.py` completes with an exit code of `0`.\n\nFurthermore, running the integrated smoke test suite with `python3 main.py --smoke` confirms that all core logic and game state rules pass without issue.\n\nI have:\n1. Written the detailed findings and verification log to `.ai/verify_setup.md`.\n2. Updated the workspace root `status.json` with `{\"outcome\": \"succeeded\"}`.",
           "graph.goal": "Build a terminal-based Klondike solitaire game in Python with a curses TUI",
@@ -1094,6 +1501,7 @@
           "internal.retry_count.verify_setup": 0,
           "internal.retry_count.check_setup": 0,
           "internal.node_visit_count": 1,
+          "thread.check_setup.current_node": "impl_data",
           "thread.verify_setup.current_node": "check_setup"
         },
         "node_outcomes": {
@@ -1145,6 +1553,48 @@
               "active_time_ms": 224140
             }
           },
+          "impl_data": {
+            "status": "succeeded",
+            "context_updates": {
+              "response.impl_data": "I have successfully implemented the core data structures and pile abstractions for the terminal Klondike Solitaire game, and all tests pass beautifully.\n\n### Summary of Changes:\n1. **Card Class (`game.py`)**:\n   - Added a `color` property returning `\"red\"` or `\"black\"` depending on the suit.\n   - Refactored representation and added `display_str()` display helper to render face-up cards as `A♥`, `10♦` and face-down cards as `##` dynamically.\n\n2. **Deck Class (`game.py`)**:\n   - Created a standalone `Deck` class representing a standard 52-card deck.\n   - Handles structured deck initialization (face-down cards), custom seeding, card shuffling, and drawing logic.\n\n3. **Pile Abstractions (`game.py`)**:\n   - Implemented a base `Pile` class (subclassing standard Python `list` to preserve 100% backward-compatibility and deepcopy support) with a convenient `top_card` helper property.\n   - Designed distinct subclasses: `StockPile`, `WastePile`, `FoundationPile`, and `TableauPile`.\n   - Updated `GameState` to utilize these typed pile abstractions.\n\n4. **Unit Tests (`test_game.py`)**:\n   - Added dedicated tests verifying card representation, custom properties, deck generation, shuffling mechanics, and correct types of modern pile classes in `GameState`.\n   - Successfully ran and passed all 10 automated unit tests (using both `pytest` and `unittest` discover modes).\n\n5. **Smoke Verification**:\n   - Confirmed that running `python3 main.py --smoke` executes perfectly with zero warnings/errors.\n   - Updated and wrote `status.json` with the outcome `succeeded`.",
+              "last_response": "I have successfully implemented the core data structures and pile abstractions for the terminal Klondike Solitaire game, and all tests pass beautifully.\n\n### Summary of Changes:\n1. **Card Class (`game",
+              "last_stage": "impl_data"
+            },
+            "notes": "Stage completed: impl_data",
+            "usage": {
+              "input": {
+                "usage": {
+                  "model": {
+                    "provider": "gemini",
+                    "model_id": "gemini-3.5-flash"
+                  },
+                  "tokens": {
+                    "input_tokens": 218942,
+                    "output_tokens": 6048,
+                    "reasoning_tokens": 12023,
+                    "cache_read_tokens": 648148,
+                    "cache_write_tokens": 0
+                  }
+                },
+                "facts": {
+                  "algorithm": "gemini",
+                  "storage_segments": []
+                }
+              },
+              "total_usd_micros": 588274
+            },
+            "files_touched": [
+              "/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"
+            ],
+            "timing": {
+              "wall_time_ms": 0,
+              "inference_time_ms": 131244,
+              "tool_time_ms": 59482,
+              "active_time_ms": 190726
+            }
+          },
           "verify_setup": {
             "status": "succeeded",
             "context_updates": {
@@ -1241,8 +1691,9 @@
             }
           }
         },
-        "next_node_id": "impl_data",
+        "next_node_id": "verify_data",
         "node_visits": {
+          "impl_data": 1,
           "start": 1,
           "expand_spec": 1,
           "impl_setup": 1,
@@ -1279,6 +1730,206 @@
   "superseded_by": null,
   "pending_interviews": {},
   "stages": {
+    "impl_data@1": {
+      "first_event_seq": 255,
+      "prompt": null,
+      "response": null,
+      "completion": null,
+      "provider_used": {
+        "mode": "agent",
+        "provider": "gemini",
+        "model": "gemini-3.5-flash"
+      },
+      "diff": null,
+      "script_invocation": null,
+      "script_timing": null,
+      "parallel_results": null,
+      "output": null,
+      "started_at": "2026-06-04T18:19:23.317593Z",
+      "handler": "agent",
+      "usage": {
+        "input_tokens": 218942,
+        "output_tokens": 6048,
+        "total_tokens": 885161,
+        "reasoning_tokens": 12023,
+        "cache_read_tokens": 648148,
+        "cache_write_tokens": 0,
+        "total_usd_micros": 588274
+      },
+      "model": {
+        "provider": "gemini",
+        "model_id": "gemini-3.5-flash"
+      },
+      "permission_level": "full",
+      "agent_tools": [
+        {
+          "name": "close_agent",
+          "description": "Close a running subagent that is no longer needed.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "subagent",
+          "invoked": false
+        },
+        {
+          "name": "edit_file",
+          "description": "Edit a file by replacing an exact string. The old_string must be an exact match and unique unless replace_all is true; include surrounding context when needed. Read the file first and preserve existing indentation.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "write",
+          "invoked": true
+        },
+        {
+          "name": "glob",
+          "description": "Find files by file names using a glob pattern. Use path to choose the search root. Prefer this over shell find or ls when locating repository files.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "read",
+          "invoked": true
+        },
+        {
+          "name": "grep",
+          "description": "Search file contents with a regex pattern. Use path to choose the search root, glob_filter to limit matching files, case_insensitive for case folding, and max_results to cap output.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "read",
+          "invoked": true
+        },
+        {
+          "name": "list_dir",
+          "description": "List directory contents with depth control",
+          "source": {
+            "kind": "native"
+          },
+          "category": "read",
+          "invoked": true
+        },
+        {
+          "name": "read_file",
+          "description": "Read files before editing them. Returns line-numbered text and supports offset/limit for large files. Use this instead of shell cat, head, tail, or sed when inspecting repository files.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "read",
+          "invoked": true
+        },
+        {
+          "name": "read_many_files",
+          "description": "Read multiple files at once",
+          "source": {
+            "kind": "native"
+          },
+          "category": "read",
+          "invoked": false
+        },
+        {
+          "name": "send_input",
+          "description": "Send a follow-up message to a running subagent when new information or corrected instructions are needed.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "subagent",
+          "invoked": false
+        },
+        {
+          "name": "shell",
+          "description": "Execute shell commands for terminal operations, package managers, tests and builds. Use dedicated tools for file reads, file edits, filename searches, and content searches. Provide timeout_ms for long-running commands.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "shell",
+          "invoked": true
+        },
+        {
+          "name": "spawn_agent",
+          "description": "Spawn a subagent for independent work or context isolation. Use it for tasks that can proceed separately, and avoid duplicating the same work in the parent session.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "subagent",
+          "invoked": false
+        },
+        {
+          "name": "wait",
+          "description": "Wait for a subagent to complete, then use the result to synthesize the outcome for the user.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "subagent",
+          "invoked": false
+        },
+        {
+          "name": "web_fetch",
+          "description": "Fetch content from a URL that starts with http:// or https://. Pass a prompt to extract specific information or summarize the page; omit prompt to return the page content.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "other",
+          "invoked": false
+        },
+        {
+          "name": "web_search",
+          "description": "Search the web using Brave Search when current external information is needed. Returns result titles, URLs, and descriptions; use web_fetch for a specific URL.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "other",
+          "invoked": false
+        },
+        {
+          "name": "write_file",
+          "description": "Create new files, or overwrite an existing file only when replacement is explicitly intended. Prefer edit_file for targeted changes to existing files because write_file overwrites the full file content.",
+          "source": {
+            "kind": "native"
+          },
+          "category": "write",
+          "invoked": true
+        }
+      ],
+      "context_window": {
+        "provider": "gemini",
+        "model": "gemini-3.5-flash",
+        "context_window_tokens": 1048576,
+        "input_tokens": 44914,
+        "usage_percent": 4.283332824707031,
+        "count_method": "response_usage_scaled_breakdown",
+        "staleness": "live",
+        "generated_at": "2026-06-04T18:22:41.004776Z",
+        "event_seq": 374,
+        "breakdown": [
+          {
+            "category": "system_prompt",
+            "tokens": 1481,
+            "usage_percent": 0.14123916625976562
+          },
+          {
+            "category": "tools",
+            "tokens": 1546,
+            "usage_percent": 0.14743804931640625
+          },
+          {
+            "category": "memory",
+            "tokens": 4187,
+            "usage_percent": 0.3993034362792969
+          },
+          {
+            "category": "conversation",
+            "tokens": 37694,
+            "usage_percent": 3.5947799682617188
+          },
+          {
+            "category": "other",
+            "tokens": 6,
+            "usage_percent": 0.00057220458984375
+          }
+        ],
+        "warnings": []
+      },
+      "state": "running"
+    },
     "expand_spec@1": {
       "first_event_seq": 22,
       "prompt": null,
@@ -1490,6 +2141,40 @@
       },
       "state": "succeeded"
     },
+    "check_setup@1": {
+      "first_event_seq": 247,
+      "prompt": null,
+      "response": null,
+      "completion": {
+        "outcome": "succeeded",
+        "notes": "Conditional node evaluated: check_setup",
+        "failure_reason": null,
+        "timestamp": "2026-06-04T18:19:04.772679Z"
+      },
+      "provider_used": null,
+      "diff": null,
+      "script_invocation": null,
+      "script_timing": null,
+      "parallel_results": null,
+      "output": null,
+      "started_at": "2026-06-04T18:19:04.772601Z",
+      "handler": "conditional",
+      "timing": {
+        "wall_time_ms": 0,
+        "inference_time_ms": 0,
+        "tool_time_ms": 0,
+        "active_time_ms": 0
+      },
+      "usage": {
+        "input_tokens": 0,
+        "output_tokens": 0,
+        "total_tokens": 0,
+        "reasoning_tokens": 0,
+        "cache_read_tokens": 0,
+        "cache_write_tokens": 0
+      },
+      "state": "succeeded"
+    },
     "impl_setup@1": {
       "first_event_seq": 91,
       "prompt": null,
diff --git a/stages/004-verify_setup@1/diff.patch b/stages/004-verify_setup@1/diff.patch
new file mode 100644
index 000000000..91dc337ad
--- /dev/null
+++ b/stages/004-verify_setup@1/diff.patch
@@ -0,0 +1,56 @@
+diff --git a/.ai/verify_setup.md b/.ai/verify_setup.md
+new file mode 100644
+index 000000000..46883b887
+--- /dev/null
++++ b/.ai/verify_setup.md
+@@ -0,0 +1,50 @@
++# Solitaire App Setup Verification
++
++This document verifies the setup of the terminal-based Klondike solitaire game in Python with a curses TUI.
++
++## Verification Checklist
++
++- [x] **Check 1: `solitaire-app/pyproject.toml` exists**
++- [x] **Check 2: `solitaire-app/main.py` exists**
++- [x] **Check 3: `solitaire-app/src/solitaire_tui` exists**
++- [x] **Check 4: Python files compile successfully**
++
++## Compilation Results
++
++Running the requested command:
++```bash
++cd solitaire-app && python3 -m py_compile main.py src/solitaire_tui/*.py
++```
++**Output:**
++The command completed with exit code `0` and no compilation errors.
++
++Additionally, compiling the test suite:
++```bash
++cd solitaire-app && python3 -m py_compile tests/*.py
++```
++**Output:**
++The command completed with exit code `0` and no errors.
++
++## Smoke Test Results
++
++Running the automated smoke test with `python3 main.py --smoke` succeeded perfectly:
++```
++Running Solitaire smoke tests...
++✓ Successfully imported core modules (game, ui).
++✓ GameState instantiated. Stock size: 24 cards.
++✓ SolitaireTUI instantiated.
++Running automated unit tests...
++✓ All automated rules unit tests passed successfully!
++Smoke mode passed successfully.
++```
++
++The unit tests verified:
++- Correct deck initialization and dealing.
++- Drawing from stock / recycling waste.
++- Moving cards between stock, waste, foundations, and tableau columns.
++- Correct win condition verification.
++- History tracking and complete undo functionality.
++
++## Conclusion
++
++The solitaire application setup is verified to be clean, syntactically correct, compile perfectly, and pass the logic and rule automated unit/smoke tests.
diff --git a/stages/005-check_setup@1/status.json b/stages/005-check_setup@1/status.json
new file mode 100644
index 000000000..727a2545c
--- /dev/null
+++ b/stages/005-check_setup@1/status.json
@@ -0,0 +1,6 @@
+{
+  "outcome": "succeeded",
+  "notes": "Conditional node evaluated: check_setup",
+  "failure_reason": null,
+  "timestamp": "2026-06-04T18:19:04.772679Z"
+}
\ No newline at end of file
diff --git a/stages/006-impl_data@1/prompt.md b/stages/006-impl_data@1/prompt.md
new file mode 100644
index 000000000..99efd3528
--- /dev/null
+++ b/stages/006-impl_data@1/prompt.md
@@ -0,0 +1,29 @@
+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
+
+
+Read .ai/solitaire-spec.md.
+
+Implement core data structures under solitaire-app/src/solitaire_tui/:
+- Card with rank, suit, face_up, color, display helpers
+- Deck with standard 52-card creation and shuffle
+- Pile types or clear pile abstractions for tableau, foundation, stock, and waste
+- GameState container with initial deal
+
+Add focused unit tests under solitaire-app/tests/.
+
+Run:
+cd solitaire-app && python3 -m pytest tests/ -v
+
+Write status.json at workspace root: outcome=succeeded if tests pass and the data model is implemented, outcome=failed with failure_reason otherwise.
\ No newline at end of file
diff --git a/stages/006-impl_data@1/provider_used.json b/stages/006-impl_data@1/provider_used.json
new file mode 100644
index 000000000..0bb716dde
--- /dev/null
+++ b/stages/006-impl_data@1/provider_used.json
@@ -0,0 +1,5 @@
+{
+  "mode": "agent",
+  "provider": "gemini",
+  "model": "gemini-3.5-flash"
+}
\ No newline at end of file
diff --git a/stages/006-impl_data@1/response.md b/stages/006-impl_data@1/response.md
new file mode 100644
index 000000000..35140e1c0
--- /dev/null
+++ b/stages/006-impl_data@1/response.md
@@ -0,0 +1,23 @@
+I have successfully implemented the core data structures and pile abstractions for the terminal Klondike Solitaire game, and all tests pass beautifully.
+
+### Summary of Changes:
+1. **Card Class (`game.py`)**:
+   - Added a `color` property returning `"red"` or `"black"` depending on the suit.
+   - Refactored representation and added `display_str()` display helper to render face-up cards as `A♥`, `10♦` and face-down cards as `##` dynamically.
+
+2. **Deck Class (`game.py`)**:
+   - Created a standalone `Deck` class representing a standard 52-card deck.
+   - Handles structured deck initialization (face-down cards), custom seeding, card shuffling, and drawing logic.
+
+3. **Pile Abstractions (`game.py`)**:
+   - Implemented a base `Pile` class (subclassing standard Python `list` to preserve 100% backward-compatibility and deepcopy support) with a convenient `top_card` helper property.
+   - Designed distinct subclasses: `StockPile`, `WastePile`, `FoundationPile`, and `TableauPile`.
+   - Updated `GameState` to utilize these typed pile abstractions.
+
+4. **Unit Tests (`test_game.py`)**:
+   - Added dedicated tests verifying card representation, custom properties, deck generation, shuffling mechanics, and correct types of modern pile classes in `GameState`.
+   - Successfully ran and passed all 10 automated unit tests (using both `pytest` and `unittest` discover modes).
+
+5. **Smoke Verification**:
+   - Confirmed that running `python3 main.py --smoke` executes perfectly with zero warnings/errors.
+   - Updated and wrote `status.json` with the outcome `succeeded`.
\ No newline at end of file