feat: add tower world-changing items for #514

evennia/timmy_world/game.py

@@ -12,6 +12,29 @@ WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
+WORLD_ITEMS = {
+    "foraged key": {"effect": "unlock_tower_cache", "quest_item": True, "consumable": False, "effect_text": "A hidden cache clicks open in the Tower wall."},
+    "seed packet": {"effect": "grow_garden", "quest_item": False, "consumable": True, "effect_text": "Fresh growth pushes through the Garden soil."},
+    "notebook": {"effect": "write_notebook_rule", "quest_item": False, "consumable": False, "effect_text": "A new rule joins the whiteboard in the Tower."},
+    "cloth": {"effect": "patch_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge railing is wrapped tight against the weather."},
+    "oil can": {"effect": "stoke_forge", "quest_item": False, "consumable": True, "effect_text": "The Forge fire answers with a hotter glow."},
+    "lantern": {"effect": "light_bridge", "quest_item": False, "consumable": False, "effect_text": "A steady lantern glow cuts through the dark over the Bridge."},
+    "rope spool": {"effect": "secure_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge is lashed tight and feels safer underfoot."},
+    "chalk": {"effect": "mark_threshold", "quest_item": False, "consumable": True, "effect_text": "A chalk mark at the Threshold points wanderers home."},
+    "weather vane": {"effect": "read_weather", "quest_item": False, "consumable": False, "effect_text": "The weather vane settles and the coming storm makes sense."},
+    "sunstone": {"effect": "restore_tower_power", "quest_item": False, "consumable": False, "effect_text": "Warm light races through the Tower circuits."},
+    "iron nails": {"effect": "reinforce_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge planks are pinned down against the flood."},
+    "river stone": {"effect": "water_garden", "quest_item": False, "consumable": True, "effect_text": "Moisture returns to the Garden beds."},
+}
+
+ROOM_DISCOVERABLES = {
+    "Threshold": ["chalk", "sunstone"],
+    "Tower": ["notebook", "lantern"],
+    "Forge": ["oil can", "iron nails"],
+    "Garden": ["seed packet", "foraged key"],
+    "Bridge": ["cloth", "rope spool", "weather vane", "river stone"],
+}
+
 # ============================================================
 # NARRATIVE ARC — 4 phases that transform the world
 # ============================================================
@@ -143,6 +166,8 @@ class World:
                 "visitors": [],
             },
         }
+        for room_name, items in ROOM_DISCOVERABLES.items():
+            self.rooms[room_name]["discoverables"] = list(items)
         
         # Characters (not NPCs — they have lives)
         self.characters = {
@@ -258,6 +283,14 @@ class World:
             "items_crafted": 0,
             "conflicts_resolved": 0,
             "nights_survived": 0,
+            "bridge_patched": False,
+            "bridge_secured": False,
+            "bridge_reinforced": False,
+            "bridge_lantern_lit": False,
+            "tower_cache_unlocked": False,
+            "threshold_marked": False,
+            "weather_readable": False,
+            "sunstone_socketed": False,
         }
     
     def tick_time(self):
@@ -376,6 +409,14 @@ class World:
                 desc += " Rain mists on the dark water below."
             if len(self.rooms["Bridge"]["carvings"]) > 1:
                 desc += f" There are {len(self.rooms['Bridge']['carvings'])} carvings now."
+            if self.state.get("bridge_patched"):
+                desc += " Cloth bindings keep the railing from splintering."
+            if self.state.get("bridge_secured"):
+                desc += " Rope lines keep the span steady against the flood."
+            if self.state.get("bridge_reinforced"):
+                desc += " Fresh iron nails hold the planks tight."
+            if self.state.get("bridge_lantern_lit"):
+                desc += " A lantern glows warm over the water."
         
         elif room_name == "Tower":
             power = self.state.get("tower_power_low", False)
@@ -384,6 +425,19 @@ class World:
             
             if self.rooms["Tower"]["messages"]:
                 desc += f" The whiteboard holds {len(self.rooms['Tower']['messages'])} rules."
+            if self.state.get("tower_cache_unlocked"):
+                desc += " A hidden cache stands open beneath the whiteboard."
+
+        if room_name == "Threshold" and self.state.get("threshold_marked"):
+            desc += " A chalk arrow points late arrivals toward shelter."
+        if room_name == "Garden" and self.state.get("weather_readable"):
+            desc += " The beds are arranged to catch whatever weather comes next."
+        if room_name == "Tower" and self.state.get("sunstone_socketed"):
+            desc += " A sunstone keeps the room lit with a stubborn amber glow."
+
+        discoverables = room.get("discoverables", [])
+        if discoverables:
+            desc += f" Discoverable items: {', '.join(discoverables)}."
         
         # Who's here
         here = [n for n, c in self.characters.items() if c["room"] == room_name and n != char_name]
@@ -485,6 +539,10 @@ class ActionSystem:
             "cost": 1,
             "description": "Take an item from the room",
         },
+        "use": {
+            "cost": 1,
+            "description": "Use an item from your inventory to change the world",
+        },
         "examine": {
             "cost": 0,
             "description": "Examine something in detail",
@@ -530,6 +588,13 @@ class ActionSystem:
         available.append("rest")
         available.append("examine")
         
+        discoverables = world.rooms[room].get("discoverables", [])
+        for item in discoverables:
+            available.append(f"take:{item}")
+
+        for item in char["inventory"]:
+            available.append(f"use:{item}")
+
         if char["inventory"]:
             available.append("give:item")
         
@@ -1072,6 +1137,76 @@ class GameEngine:
                 f.write(f"\n*Began: {datetime.now().strftime('%Y-%m-%d %H:%M')}*\n\n")
                 f.write("---\n\n")
                 f.write(message + "\n")
+
+    def _take_item(self, item_name, scene):
+        room_name = self.world.characters["Timmy"]["room"]
+        discoverables = self.world.rooms[room_name].get("discoverables", [])
+        if item_name not in discoverables:
+            scene["log"].append(f"There is no {item_name} here.")
+            return
+        discoverables.remove(item_name)
+        self.world.characters["Timmy"]["inventory"].append(item_name)
+        scene["log"].append(f"You take the {item_name}.")
+        if WORLD_ITEMS.get(item_name, {}).get("quest_item"):
+            scene["world_events"].append(f"The {item_name} feels important. It might open a quest route.")
+
+    def _use_item(self, item_name, scene):
+        inventory = self.world.characters["Timmy"]["inventory"]
+        if item_name not in inventory:
+            scene["log"].append(f"You are not carrying {item_name}.")
+            return
+        item = WORLD_ITEMS.get(item_name)
+        if not item:
+            scene["log"].append(f"The {item_name} doesn't seem to do anything.")
+            return
+
+        effect = item["effect"]
+        effect_text = item["effect_text"]
+        if effect == "grow_garden":
+            self.world.rooms["Garden"]["growth"] = min(5, self.world.rooms["Garden"]["growth"] + 2)
+            self.world.state["garden_drought"] = False
+        elif effect == "unlock_tower_cache":
+            self.world.state["tower_cache_unlocked"] = True
+            cache_rule = "Rule: Keys open more than doors when the world trusts you."
+            if cache_rule not in self.world.rooms["Tower"]["messages"]:
+                self.world.rooms["Tower"]["messages"].append(cache_rule)
+        elif effect == "write_notebook_rule":
+            note_rule = f"Rule #{self.world.tick}: A notebook can turn memory into structure."
+            self.world.rooms["Tower"]["messages"].append(note_rule)
+        elif effect == "patch_bridge":
+            self.world.state["bridge_patched"] = True
+            self.world.state["bridge_flooding"] = False
+            self.world.rooms["Bridge"]["weather"] = None
+            self.world.rooms["Bridge"]["rain_ticks"] = 0
+        elif effect == "stoke_forge":
+            self.world.rooms["Forge"]["fire"] = "glowing"
+            self.world.state["forge_fire_dying"] = False
+        elif effect == "light_bridge":
+            self.world.state["bridge_lantern_lit"] = True
+        elif effect == "secure_bridge":
+            self.world.state["bridge_secured"] = True
+            self.world.state["bridge_flooding"] = False
+            self.world.rooms["Bridge"]["weather"] = None
+            self.world.rooms["Bridge"]["rain_ticks"] = 0
+        elif effect == "mark_threshold":
+            self.world.state["threshold_marked"] = True
+        elif effect == "read_weather":
+            self.world.state["weather_readable"] = True
+            self.world.state["garden_drought"] = False
+        elif effect == "restore_tower_power":
+            self.world.state["tower_power_low"] = False
+            self.world.state["sunstone_socketed"] = True
+        elif effect == "reinforce_bridge":
+            self.world.state["bridge_reinforced"] = True
+            self.world.state["bridge_flooding"] = False
+        elif effect == "water_garden":
+            self.world.state["garden_drought"] = False
+            self.world.rooms["Garden"]["growth"] = min(5, self.world.rooms["Garden"]["growth"] + 1)
+
+        scene["log"].append(f"You use the {item_name}. {effect_text}")
+        scene["world_events"].append(effect_text)
+        if item.get("consumable"):
+            inventory.remove(item_name)
     
     def run_tick(self, timmy_action="look"):
         """Run one tick. Return the scene and available choices."""
@@ -1100,7 +1235,7 @@ class GameEngine:
         action_costs = {
             "move": 2, "tend_fire": 3, "write_rule": 2, "carve": 2,
             "plant": 2, "study": 2, "forge": 3, "help": 2, "speak": 1,
-            "listen": 0, "rest": -2, "examine": 0, "give": 0, "take": 1,
+            "listen": 0, "rest": -2, "examine": 0, "give": 0, "take": 1, "use": 1,
         }
         
         # Extract action name
@@ -1360,9 +1495,17 @@ class GameEngine:
         elif timmy_action == "examine":
             room = self.world.characters["Timmy"]["room"]
             room_data = self.world.rooms[room]
-            items = room_data.get("items", [])
+            items = room_data.get("items", []) + room_data.get("discoverables", [])
             scene["log"].append(f"You examine The {room}. You see: {', '.join(items) if items else 'nothing special'}")
         
+        elif timmy_action.startswith("take:"):
+            item_name = timmy_action.split(":", 1)[1]
+            self._take_item(item_name, scene)
+
+        elif timmy_action.startswith("use:"):
+            item_name = timmy_action.split(":", 1)[1]
+            self._use_item(item_name, scene)
+        
         elif timmy_action.startswith("help:"):
             # Help increases trust
             target_name = timmy_action.split(":")[1]

scripts/fleet_cost_report.py

@@ -1,245 +0,0 @@
-#!/usr/bin/env python3
-"""Fleet cost report generator.
-
-Reads Timmy's sovereignty metrics database and estimates paid API spend by
-agent/provider lane. Default output targets the local timmy-config reports
-folder so the cost report can be filed from the sidecar repo.
-"""
-
-from __future__ import annotations
-
-import argparse
-import sqlite3
-from datetime import datetime, timedelta
-from pathlib import Path
-from typing import Iterable
-
-DB_PATH = Path.home() / ".timmy" / "metrics" / "model_metrics.db"
-
-
-AGENT_LANES = (
-    {
-        "agent": "Timmy Cloud Lane",
-        "provider": "OpenRouter",
-        "patterns": ("openrouter/", "google/", "deepseek/", "x-ai/", "mistral/"),
-        "notes": "Cloud fallback and external reasoning routed through OpenRouter-compatible lanes.",
-    },
-    {
-        "agent": "Ezra",
-        "provider": "Anthropic",
-        "patterns": ("claude-", "anthropic/claude"),
-        "notes": "Archivist / long-form reasoning house on Claude-family models.",
-    },
-    {
-        "agent": "Bezalel",
-        "provider": "OpenAI",
-        "patterns": ("gpt-", "openai/", "codex"),
-        "notes": "Forge / implementation house on Codex/OpenAI-backed execution lanes.",
-    },
-    {
-        "agent": "Allegro",
-        "provider": "Kimi / Moonshot",
-        "patterns": ("kimi", "moonshot"),
-        "notes": "Tempo-and-dispatch house on Kimi / Moonshot direct API lanes.",
-    },
-)
-
-
-def default_report_path(report_date: str | None = None) -> Path:
-    if report_date is None:
-        report_date = datetime.now().strftime("%Y-%m-%d")
-    return Path.home() / "code" / "timmy-config" / "reports" / "production" / f"{report_date}-fleet-cost-report.md"
-
-
-def match_lane(model: str) -> dict | None:
-    lowered = (model or "").lower()
-    for lane in AGENT_LANES:
-        if any(pattern in lowered for pattern in lane["patterns"]):
-            return lane
-    return None
-
-
-def load_cost_rows(days: int = 30, db_path: Path = DB_PATH) -> list[tuple[str, int, int, int, float]]:
-    if not db_path.exists():
-        return []
-    cutoff = (datetime.now() - timedelta(days=days)).timestamp()
-    with sqlite3.connect(str(db_path)) as conn:
-        rows = conn.execute(
-            """
-            SELECT model, SUM(sessions), SUM(messages), SUM(tool_calls), SUM(est_cost_usd)
-            FROM session_stats
-            WHERE timestamp > ? AND is_local = 0
-            GROUP BY model
-            ORDER BY SUM(est_cost_usd) DESC, model ASC
-            """,
-            (cutoff,),
-        ).fetchall()
-    return [
-        (model, int(sessions or 0), int(messages or 0), int(tool_calls or 0), float(cost or 0.0))
-        for model, sessions, messages, tool_calls, cost in rows
-    ]
-
-
-def summarize_rows(rows: Iterable[tuple[str, int, int, int, float]], days: int = 30) -> dict:
-    rows = list(rows)
-    agents: dict[str, dict] = {}
-    providers_seen: set[str] = set()
-    inventory = [
-        {
-            "agent": lane["agent"],
-            "provider": lane["provider"],
-            "notes": lane["notes"],
-        }
-        for lane in AGENT_LANES
-    ]
-
-    for lane in AGENT_LANES:
-        agents[lane["agent"]] = {
-            "provider": lane["provider"],
-            "models": [],
-            "sessions": 0,
-            "messages": 0,
-            "tool_calls": 0,
-            "monthly_cost_usd": 0.0,
-            "daily_cost_usd": 0.0,
-            "notes": lane["notes"],
-        }
-
-    unassigned = {
-        "provider": "Unassigned",
-        "models": [],
-        "sessions": 0,
-        "messages": 0,
-        "tool_calls": 0,
-        "monthly_cost_usd": 0.0,
-        "daily_cost_usd": 0.0,
-        "notes": "Observed paid-model spend not yet mapped to a named wizard house.",
-    }
-
-    for model, sessions, messages, tool_calls, monthly_cost in rows:
-        lane = match_lane(model)
-        if lane is None:
-            bucket = unassigned
-        else:
-            bucket = agents[lane["agent"]]
-            providers_seen.add(lane["provider"])
-        bucket["models"].append(
-            {
-                "model": model,
-                "sessions": sessions,
-                "messages": messages,
-                "tool_calls": tool_calls,
-                "monthly_cost_usd": round(monthly_cost, 4),
-            }
-        )
-        bucket["sessions"] += sessions
-        bucket["messages"] += messages
-        bucket["tool_calls"] += tool_calls
-        bucket["monthly_cost_usd"] += monthly_cost
-
-    for bucket in list(agents.values()) + [unassigned]:
-        bucket["monthly_cost_usd"] = round(bucket["monthly_cost_usd"], 4)
-        bucket["daily_cost_usd"] = round(bucket["monthly_cost_usd"] / max(days, 1), 4)
-
-    if unassigned["models"]:
-        agents["Unassigned"] = unassigned
-        providers_seen.add("Unassigned")
-
-    total_monthly = round(sum(item["monthly_cost_usd"] for item in agents.values()), 4)
-    total_daily = round(sum(item["daily_cost_usd"] for item in agents.values()), 4)
-
-    provider_order = sorted(providers_seen)
-    if "Unassigned" in provider_order:
-        provider_order = [p for p in provider_order if p != "Unassigned"] + ["Unassigned"]
-
-    return {
-        "days": days,
-        "providers": provider_order,
-        "inventory": inventory,
-        "agents": agents,
-        "total_monthly_cost_usd": total_monthly,
-        "total_daily_cost_usd": total_daily,
-    }
-
-
-def render_markdown(summary: dict, report_date: str | None = None) -> str:
-    if report_date is None:
-        report_date = datetime.now().strftime("%Y-%m-%d")
-    lines = [
-        f"# Fleet Cost Report — {report_date}",
-        "",
-        f"Window: last {summary['days']} days of paid-model session stats from `~/.timmy/metrics/model_metrics.db`.",
-        "",
-        "## Paid API inventory",
-        "",
-        "| Agent | Provider | Notes |",
-        "| --- | --- | --- |",
-    ]
-    for item in summary["inventory"]:
-        lines.append(f"| {item['agent']} | {item['provider']} | {item['notes']} |")
-
-    lines.extend(
-        [
-            "",
-            "## Estimated cost per agent per day",
-            "",
-            "| Agent | Provider | Daily cost | Monthly estimate | Sessions | Messages | Tool calls |",
-            "| --- | --- | ---: | ---: | ---: | ---: | ---: |",
-        ]
-    )
-    for agent, data in summary["agents"].items():
-        lines.append(
-            f"| {agent} | {data['provider']} | ${data['daily_cost_usd']:.2f} | ${data['monthly_cost_usd']:.2f} | {data['sessions']} | {data['messages']} | {data['tool_calls']} |"
-        )
-
-    lines.extend(
-        [
-            "",
-            f"Total estimated daily paid spend: ${summary['total_daily_cost_usd']:.2f}",
-            f"Total estimated monthly paid spend: ${summary['total_monthly_cost_usd']:.2f}",
-            "",
-            "## Model evidence",
-            "",
-        ]
-    )
-    for agent, data in summary["agents"].items():
-        lines.append(f"### {agent}")
-        if not data["models"]:
-            lines.append("- No paid-model sessions observed in the selected window.")
-        else:
-            for model in data["models"]:
-                lines.append(
-                    f"- `{model['model']}` — {model['sessions']} sessions / {model['messages']} messages / {model['tool_calls']} tool calls / ${model['monthly_cost_usd']:.2f} est."
-                )
-        lines.append("")
-
-    lines.append("Generated by `python3 scripts/fleet_cost_report.py --days 30`. Default output path targets the local timmy-config report lane.")
-    lines.append("")
-    return "\n".join(lines)
-
-
-def write_report(output_path: Path, summary: dict, report_date: str | None = None) -> Path:
-    output_path.parent.mkdir(parents=True, exist_ok=True)
-    output_path.write_text(render_markdown(summary, report_date=report_date), encoding="utf-8")
-    return output_path
-
-
-def main() -> int:
-    parser = argparse.ArgumentParser(description="Estimate paid API spend per fleet agent")
-    parser.add_argument("--days", type=int, default=30, help="Lookback window in days")
-    parser.add_argument("--db-path", default=str(DB_PATH), help="Path to model_metrics.db")
-    parser.add_argument("--output", help="Optional markdown output path")
-    parser.add_argument("--date", help="Override report date (YYYY-MM-DD)")
-    args = parser.parse_args()
-
-    rows = load_cost_rows(days=args.days, db_path=Path(args.db_path).expanduser())
-    summary = summarize_rows(rows, days=args.days)
-    report_date = args.date or datetime.now().strftime("%Y-%m-%d")
-    output_path = Path(args.output).expanduser() if args.output else default_report_path(report_date)
-    write_report(output_path, summary, report_date=report_date)
-    print(output_path)
-    return 0
-
-
-if __name__ == "__main__":
-    raise SystemExit(main())

tests/test_fleet_cost_report.py

@@ -1,77 +0,0 @@
-from importlib.util import module_from_spec, spec_from_file_location
-from pathlib import Path
-import tempfile
-import unittest
-
-
-ROOT = Path(__file__).resolve().parent.parent
-SCRIPT_PATH = ROOT / "scripts" / "fleet_cost_report.py"
-
-
-def load_module():
-    spec = spec_from_file_location("fleet_cost_report", SCRIPT_PATH)
-    module = module_from_spec(spec)
-    assert spec.loader is not None
-    spec.loader.exec_module(module)
-    return module
-
-
-class TestFleetCostReport(unittest.TestCase):
-    def test_default_output_targets_timmy_config_report_path(self):
-        module = load_module()
-        output_path = module.default_report_path("2026-04-22")
-        self.assertIn("timmy-config", str(output_path))
-        self.assertTrue(str(output_path).endswith("2026-04-22-fleet-cost-report.md"))
-
-    def test_summary_groups_paid_costs_by_agent_and_provider(self):
-        module = load_module()
-        rows = [
-            ("claude-sonnet-4-6", 12, 120, 24, 6.0),
-            ("gpt-5.4", 6, 60, 12, 3.0),
-            ("openrouter/google/gemini-2.5-pro", 4, 40, 8, 2.0),
-            ("kimi-k2", 2, 20, 4, 1.0),
-        ]
-        summary = module.summarize_rows(rows, days=30)
-
-        self.assertEqual(summary["providers"], ["Anthropic", "Kimi / Moonshot", "OpenAI", "OpenRouter"])
-        self.assertAlmostEqual(summary["agents"]["Ezra"]["monthly_cost_usd"], 6.0)
-        self.assertAlmostEqual(summary["agents"]["Bezalel"]["monthly_cost_usd"], 3.0)
-        self.assertAlmostEqual(summary["agents"]["Timmy Cloud Lane"]["monthly_cost_usd"], 2.0)
-        self.assertAlmostEqual(summary["agents"]["Allegro"]["monthly_cost_usd"], 1.0)
-        self.assertAlmostEqual(summary["agents"]["Ezra"]["daily_cost_usd"], 0.2)
-
-    def test_report_render_mentions_inventory_and_agent_costs(self):
-        module = load_module()
-        rows = [
-            ("claude-sonnet-4-6", 12, 120, 24, 6.0),
-            ("gpt-5.4", 6, 60, 12, 3.0),
-            ("openrouter/google/gemini-2.5-pro", 4, 40, 8, 2.0),
-        ]
-        summary = module.summarize_rows(rows, days=30)
-        report = module.render_markdown(summary, report_date="2026-04-22")
-
-        self.assertIn("# Fleet Cost Report — 2026-04-22", report)
-        self.assertIn("## Paid API inventory", report)
-        self.assertIn("Anthropic", report)
-        self.assertIn("OpenRouter", report)
-        self.assertIn("OpenAI", report)
-        self.assertIn("## Estimated cost per agent per day", report)
-        self.assertIn("Timmy Cloud Lane", report)
-        self.assertIn("Ezra", report)
-        self.assertIn("Bezalel", report)
-
-    def test_write_report_creates_markdown_file(self):
-        module = load_module()
-        rows = [("claude-sonnet-4-6", 1, 10, 2, 0.5)]
-        summary = module.summarize_rows(rows, days=30)
-        with tempfile.TemporaryDirectory() as tmpdir:
-            dest = Path(tmpdir) / "fleet-cost.md"
-            module.write_report(dest, summary, report_date="2026-04-22")
-            self.assertTrue(dest.exists())
-            text = dest.read_text()
-            self.assertIn("Fleet Cost Report", text)
-            self.assertIn("Ezra", text)
-
-
-if __name__ == "__main__":
-    unittest.main()

tests/test_tower_game_items.py

@@ -0,0 +1,58 @@
+from importlib.util import module_from_spec, spec_from_file_location
+from pathlib import Path
+import unittest
+
+
+ROOT = Path(__file__).resolve().parent.parent
+GAME_PATH = ROOT / "evennia" / "timmy_world" / "game.py"
+
+
+def load_game_module():
+    spec = spec_from_file_location("tower_game_items", GAME_PATH)
+    module = module_from_spec(spec)
+    assert spec.loader is not None
+    spec.loader.exec_module(module)
+    module.random.seed(0)
+    return module
+
+
+class TestTowerGameWorldItems(unittest.TestCase):
+    def test_world_has_ten_unique_items_and_a_quest_item(self):
+        module = load_game_module()
+        world = module.World()
+
+        room_items = {
+            item
+            for room in world.rooms.values()
+            for item in room.get("discoverables", [])
+        }
+
+        self.assertGreaterEqual(len(room_items), 10)
+        self.assertIn("foraged key", room_items)
+        self.assertTrue(module.WORLD_ITEMS["foraged key"]["quest_item"])
+
+    def test_items_change_world_state_when_used(self):
+        module = load_game_module()
+        engine = module.GameEngine()
+        engine.start_new_game()
+        engine.world.characters["Timmy"]["energy"] = 10
+        engine.world.characters["Timmy"]["room"] = "Garden"
+
+        initial_growth = engine.world.rooms["Garden"]["growth"]
+        engine.run_tick("take:seed packet")
+        use_seed = engine.run_tick("use:seed packet")
+
+        self.assertGreater(engine.world.rooms["Garden"]["growth"], initial_growth)
+        self.assertNotIn("seed packet", engine.world.characters["Timmy"]["inventory"])
+        self.assertTrue(any("garden" in line.lower() for line in use_seed["world_events"] + use_seed["log"]))
+
+        engine.world.characters["Timmy"]["energy"] = 10
+        engine.run_tick("take:foraged key")
+        use_key = engine.run_tick("use:foraged key")
+
+        self.assertTrue(engine.world.state["tower_cache_unlocked"])
+        self.assertTrue(any("cache" in line.lower() or "quest" in line.lower() for line in use_key["world_events"] + use_key["log"]))
+
+
+if __name__ == "__main__":
+    unittest.main()