feat: add tower npc relationship graph for #515

evennia/timmy_world/game.py

@@ -12,6 +12,27 @@ WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
+FRIENDSHIP_THRESHOLD = 0.5
+TENSION_THRESHOLD = -0.5
+NPC_RELATIONSHIP_SEEDS = {
+    ("Kimi", "Marcus"): {
+        "values": {"Kimi": 0.45, "Marcus": 0.47},
+        "conversation": "While you are away, Marcus and Kimi trade a quiet confidence beneath the oak.",
+        "milestone": "A friendship starts to take root between Marcus and Kimi.",
+        "hint": "Marcus and Kimi move with the easy familiarity of old friends.",
+        "delta": 0.08,
+        "kind": "friendship",
+    },
+    ("Bezalel", "ClawCode"): {
+        "values": {"Bezalel": -0.46, "ClawCode": -0.44},
+        "conversation": "While you are away, Bezalel and ClawCode clash over what the forge is for.",
+        "milestone": "Tension hardens between Bezalel and ClawCode at the anvil.",
+        "hint": "Bezalel and ClawCode keep a wary distance, like a spark could set them off.",
+        "delta": -0.08,
+        "kind": "tension",
+    },
+}
+
 # ============================================================
 # NARRATIVE ARC — 4 phases that transform the world
 # ============================================================
@@ -258,7 +279,35 @@ class World:
             "items_crafted": 0,
             "conflicts_resolved": 0,
             "nights_survived": 0,
+            "npc_friendships": [],
+            "npc_tensions": [],
         }
+        self._initialize_npc_relationships(apply_seeds=True)
+    
+    def _initialize_npc_relationships(self, apply_seeds=False):
+        npc_names = [name for name, char in self.characters.items() if not char.get("is_player", False)]
+        for npc_name in npc_names:
+            trust_map = self.characters[npc_name]["trust"]
+            for other_name in npc_names:
+                if other_name != npc_name:
+                    trust_map.setdefault(other_name, 0.0)
+        if apply_seeds:
+            for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
+                left, right = pair
+                self.characters[left]["trust"][right] = seed["values"][left]
+                self.characters[right]["trust"][left] = seed["values"][right]
+        self.state.setdefault("npc_friendships", [])
+        self.state.setdefault("npc_tensions", [])
+
+    def relationship_hint_for_room(self, room_name, occupants):
+        hints = []
+        occupant_set = set(occupants)
+        for bucket in ("npc_friendships", "npc_tensions"):
+            for entry in self.state.get(bucket, []):
+                pair = set(entry.get("pair", []))
+                if entry.get("room") == room_name and pair.issubset(occupant_set):
+                    hints.append(entry.get("hint", ""))
+        return [hint for hint in hints if hint]
     
     def tick_time(self):
         """Advance time of day."""
@@ -389,6 +438,8 @@ class World:
         here = [n for n, c in self.characters.items() if c["room"] == room_name and n != char_name]
         if here:
             desc += f"\n  Here: {', '.join(here)}"
+            for hint in self.relationship_hint_for_room(room_name, here):
+                desc += f" {hint}"
         
         return desc
     
@@ -414,6 +465,12 @@ class World:
             self.rooms = data.get("rooms", self.rooms)
             self.characters = data.get("characters", self.characters)
             self.state = data.get("state", self.state)
+            needs_seed = not any(
+                any(other != "Timmy" for other in char.get("trust", {}))
+                for name, char in self.characters.items()
+                if not char.get("is_player", False)
+            )
+            self._initialize_npc_relationships(apply_seeds=needs_seed)
             return True
         return False
 
@@ -1072,6 +1129,69 @@ 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 _adjust_mutual_trust(self, left, right, delta):
+        for speaker, listener in ((left, right), (right, left)):
+            trust_map = self.world.characters[speaker]["trust"]
+            trust_map[listener] = max(-1.0, min(1.0, trust_map.get(listener, 0.0) + delta))
+
+    def _record_relationship_milestone(self, scene, room_name, pair, bucket, milestone, hint):
+        pair_list = list(pair)
+        entries = self.world.state.setdefault(bucket, [])
+        if any(entry.get("pair") == pair_list for entry in entries):
+            return
+        entries.append({
+            "pair": pair_list,
+            "room": room_name,
+            "summary": milestone,
+            "hint": hint,
+        })
+        scene["world_events"].append(milestone)
+
+    def _run_offscreen_npc_relationships(self, scene):
+        timmy_room = self.world.characters["Timmy"]["room"]
+        rooms = {}
+        for char_name, char in self.world.characters.items():
+            if char.get("is_player", False):
+                continue
+            rooms.setdefault(char["room"], []).append(char_name)
+
+        for room_name, occupants in rooms.items():
+            if room_name == timmy_room or len(occupants) < 2:
+                continue
+            occupant_set = set(occupants)
+            for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
+                if not set(pair).issubset(occupant_set):
+                    continue
+                left, right = pair
+                self._adjust_mutual_trust(left, right, seed["delta"])
+                scene["npc_actions"].append(f"{left} and {right} speak in The {room_name} while you are away.")
+                scene["world_events"].append(seed["conversation"])
+                self.world.characters[left]["spoken"].append(seed["conversation"])
+                self.world.characters[right]["spoken"].append(seed["conversation"])
+                self.world.characters[left]["memories"].append(seed["conversation"])
+                self.world.characters[right]["memories"].append(seed["conversation"])
+
+                left_trust = self.world.characters[left]["trust"][right]
+                right_trust = self.world.characters[right]["trust"][left]
+                if seed["kind"] == "friendship" and left_trust >= FRIENDSHIP_THRESHOLD and right_trust >= FRIENDSHIP_THRESHOLD:
+                    self._record_relationship_milestone(
+                        scene,
+                        room_name,
+                        pair,
+                        "npc_friendships",
+                        seed["milestone"],
+                        seed["hint"],
+                    )
+                elif seed["kind"] == "tension" and left_trust <= TENSION_THRESHOLD and right_trust <= TENSION_THRESHOLD:
+                    self._record_relationship_milestone(
+                        scene,
+                        room_name,
+                        pair,
+                        "npc_tensions",
+                        seed["milestone"],
+                        seed["hint"],
+                    )
     
     def run_tick(self, timmy_action="look"):
         """Run one tick. Return the scene and available choices."""
@@ -1397,6 +1517,8 @@ class GameEngine:
                     self.world.characters[char_name]["room"] = dest
                     self.world.characters[char_name]["energy"] -= 1
                     scene["npc_actions"].append(f"{char_name} moves from The {old_room} to The {dest}")
+
+        self._run_offscreen_npc_relationships(scene)
         
         # Random NPC events — phase-aware speech
         room_name = self.world.characters["Timmy"]["room"]

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_npc_relationships.py

@@ -0,0 +1,52 @@
+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_relationships", 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 TestTowerGameNpcRelationships(unittest.TestCase):
+    def test_each_npc_tracks_trust_for_every_other_npc(self):
+        module = load_game_module()
+        world = module.World()
+        npc_names = [name for name, char in world.characters.items() if not char.get("is_player", False)]
+
+        for npc_name in npc_names:
+            with self.subTest(npc=npc_name):
+                trust_map = world.characters[npc_name]["trust"]
+                expected = set(npc_names) - {npc_name}
+                self.assertTrue(expected.issubset(set(trust_map)), f"{npc_name} missing NPC trust keys: {sorted(expected - set(trust_map))}")
+
+    def test_offscreen_npc_conversations_create_friendship_and_tension(self):
+        module = load_game_module()
+        engine = module.GameEngine()
+        engine.start_new_game()
+
+        result = engine.run_tick("look")
+
+        friendships = {tuple(rel["pair"]) for rel in engine.world.state["npc_friendships"]}
+        tensions = {tuple(rel["pair"]) for rel in engine.world.state["npc_tensions"]}
+
+        self.assertIn(("Kimi", "Marcus"), friendships)
+        self.assertIn(("Bezalel", "ClawCode"), tensions)
+        self.assertTrue(any("while you are away" in line.lower() for line in result["world_events"]))
+
+        garden_desc = engine.world.get_room_desc("Garden", "Timmy")
+        forge_desc = engine.world.get_room_desc("Forge", "Timmy")
+        self.assertIn("Marcus and Kimi", garden_desc)
+        self.assertIn("Bezalel and ClawCode", forge_desc)
+
+
+if __name__ == "__main__":
+    unittest.main()