"use strict";

(function (global) {
  const Tarinai = global.Tarinai;
  if (!Tarinai) throw new Error("Tarinai is not available for mixin: tarinai_identity_social.js");

  const relationPeerCache = new WeakMap();

  function relationPeerEntry(tarinai) {
    const relationships = tarinai?.relationships || {};
    let entry = relationPeerCache.get(tarinai);
    if (!entry || entry.relationships !== relationships) {
      const keys = Object.keys(relationships);
      entry = { relationships, ids: new Set(keys), ownCount: keys.length, incomingBuilt: false };
      relationPeerCache.set(tarinai, entry);
    }
    return entry;
  }

  function dropRelationPeerId(tarinai, id) {
    if (!tarinai || !id) return false;
    const relationships = tarinai.relationships && typeof tarinai.relationships === "object" ? tarinai.relationships : null;
    const entry = relationPeerCache.get(tarinai);
    let removed = false;
    if (relationships && Object.prototype.hasOwnProperty.call(relationships, id)) {
      delete relationships[id];
      removed = true;
    }
    if (entry) {
      entry.ids.delete(id);
      if (removed) entry.ownCount = Math.max(0, (entry.ownCount || 0) - 1);
    }
    if (removed) tarinai.relationCache = null;
    return removed;
  }

  function lazyDropDeadRelationPeer(tarinai, id) {
    const pending = tarinai?.world?._deadTarinaiIdsPendingCleanup;
    if (!(pending instanceof Set) || pending.size === 0 || !pending.has(id)) return false;
    if (tarinai.world?.liveTarinaiById?.(id)) return false;
    dropRelationPeerId(tarinai, id);
    return true;
  }

  function relationIdSetFor(tarinai) {
    const entry = relationPeerEntry(tarinai);
    if (!entry.incomingBuilt) {
      for (const other of tarinai?.world?.tarinai || []) {
        if (!other || other.dead || other === tarinai || !other.id) continue;
        if (other.relationships?.[tarinai.id]) entry.ids.add(other.id);
      }
      entry.incomingBuilt = true;
    }
    return entry.ids;
  }

  Object.defineProperties(Tarinai.prototype, Object.getOwnPropertyDescriptors({
  get lack() {
    const healthLack = 100 * (1 - (typeof tarinaiEnergyRatio === "function" ? tarinaiEnergyRatio(this) : clamp((this.energy || 0) / Math.max(1, this.maxEnergy || 100), 0, 1)));
    return clamp((this.hunger + this.loneliness + this.stress + healthLack) / 4, 0, 100);
  },

  get mood() {
    return clamp(100 - (this.hunger * 0.40 + this.loneliness * 0.20 + this.stress * 0.40), 0, 100);
  },

  get ageSinceBirth() {
    return Math.max(0, this.world.time - this.birthTime);
  },

  get growth() {
    return clamp(this.ageSinceBirth / CONFIG.childGrowTime, 0, 1);
  },

  get juvenile() {
    return this.generation > 1 && this.growth < 1;
  },

  syncGrowthScale() {
    if (!Number.isFinite(this.adultScale)) this.adultScale = adultScaleFromGenetics(this.familyKey || this.id, this.genetics);
    const currentGrowth = this.growth;
    const isJuvenileNow = this.generation > 1 && currentGrowth < 1;
    if (this.generation > 1) {
      if (this._growthWasJuvenile === true && !isJuvenileNow) {
        this.world?.log?.(`${this.name}\u304c\u6210\u9577\u3057\u3066\u6210\u4f53\u306b\u306a\u3063\u305f\u3002`, "birth", { participants: [this] });
      }
      this._growthWasJuvenile = isJuvenileNow;
    }
    const nextScale = this.generation > 1 ? scaleForGrowth(this.adultScale, currentGrowth) : this.adultScale;
    this.scale = clamp(nextScale, 0.10, 0.42);
    if (this.refreshEffectiveSize) this.refreshEffectiveSize();
    else this.radius = 56 * this.scale;
    const growthBucket = Math.floor(clamp(currentGrowth || 0, 0, 1) * 20);
    if (this.generation > 1 && this.world?.recordFamily && this.familyJoined?.() && this.familyGrowthBucket !== growthBucket) {
      this.familyGrowthBucket = growthBucket;
      this.world.recordFamily(this);
    }
    return this.scale;
  },

  geneticStatRatio(key = "") {
    this.genetics = normalizeGenetics(this.genetics, this.familyKey || this.id);
    if (key === "life") return this.genetics.lifeSpanMul || 1;
    if (key === "attack") return this.genetics.attackMul || 1;
    if (key === "speed") return this.genetics.speedMul || 1;
    if (key === "size") return this.genetics.sizeMul || 1;
    return 1;
  },

  parentToFollow() {
    if (!this.juvenile || !this.parents?.length) return null;
    let best = null, bestD = Infinity;
    for (const id of this.parents) {
      const p = this.world.tarinai.find(t => (t.familyKey || t.id) === id && !t.dead);
      if (!p) continue;
      const d = dist(this, p);
      if (d < bestD) { best = p; bestD = d; }
    }
    return best;
  },

  label() {
    const sp = SPRITES.find(s => s.id === this.type);
    return sp ? sp.label : this.type;
  },

  addRecord(text, kind = "note", options = {}) {
    if (!text) return;
    if (options.hiddenFromObservation) return;
    if (!Array.isArray(this.records)) this.records = [];
    const entry = { time: this.world?.time || 0, text: String(text), kind: kind || "note" };
    const head = this.records[0];
    if (head && head.text === entry.text && Math.abs((head.time || 0) - entry.time) < 0.05) return;
    this.records.unshift(entry);
    if (this.records.length > 42) this.records.length = 42;
  },

  recordChangeCause(reason = "", target = "", options = {}) {
    const text = String(reason || "").trim();
    const affected = String(target || "").trim();
    if (!text && !affected) return false;
    if (!Array.isArray(this.recentChangeCauses)) this.recentChangeCauses = [];
    const now = this.world?.time || 0;
    const entry = {
      time: now,
      reason: text || "\u5909\u5316",
      target: affected || "\u72b6\u614b",
      value: options.value ?? "",
    };
    const head = this.recentChangeCauses[0];
    if (head && head.reason === entry.reason && head.target === entry.target) {
      const oldValue = Number(head.value);
      const addValue = Number(entry.value);
      if (Number.isFinite(oldValue) || Number.isFinite(addValue)) head.value = (Number.isFinite(oldValue) ? oldValue : 0) + (Number.isFinite(addValue) ? addValue : 0);
      else head.value = entry.value || head.value || "";
      head.time = now;
      return true;
    }
    this.recentChangeCauses.unshift(entry);
    if (this.recentChangeCauses.length > 8) this.recentChangeCauses.length = 8;
    return true;
  },

  personalityProfile() {
    const base = { label: "\u4e2d\u7acb", fear: 1, fight: 1, social: 1, relation: 1, sleep: 1, zunda: 1, play: 1 };
    const e = {
      neuroticism: personalityEffectValue(typeof effectivePersonalityValue === "function" ? effectivePersonalityValue(this, "neuroticism") : (ensurePersonality(this).currentPersonality.neuroticism || 0)),
      aggression: personalityEffectValue(typeof effectivePersonalityValue === "function" ? effectivePersonalityValue(this, "aggression") : (ensurePersonality(this).currentPersonality.aggression || 0)),
      sociability: personalityEffectValue(typeof effectivePersonalityValue === "function" ? effectivePersonalityValue(this, "sociability") : (ensurePersonality(this).currentPersonality.sociability || 0)),
      openness: personalityEffectValue(typeof effectivePersonalityValue === "function" ? effectivePersonalityValue(this, "openness") : (ensurePersonality(this).currentPersonality.openness || 0)),
    };
    return {
      ...base,
      fear: clamp((base.fear || 1) * (1 + e.neuroticism * 0.38), 0.55, 1.85),
      fight: clamp((base.fight || 1) * (1 + e.aggression * 0.55), 0.35, 2.35),
      social: clamp((base.social || 1) * (1 + e.sociability * 0.24), 0.62, 1.52),
      relation: clamp((base.relation || 1) * (1 + e.sociability * 0.24), 0.62, 1.60),
      play: clamp((base.play || 1) * (1 + e.openness * 0.45), 0.45, 2.10),
    };
  },
  personalityTags() { return getPersonalityTraitTags(this); },

  adjustPersonality(key, delta, reason = "") { return adjustPersonality(this, key, delta, reason); },

  shouldApplyPersonalityBehavior(key, direction = 1) { return shouldApplyPersonalityBehavior(this, key, direction); },


  tarinaiChampionEligible() {
    const wins = Number(this.totalFightWins || 0) || 0;
    const losses = Number(this.totalFightLosses || 0) || 0;
    const total = wins + losses;
    return !this.dead && !this.isZunchiSlave && total >= 6 && total > 0 && wins / total >= 0.75;
  },

  becomeTarinaiChampion(options = {}) {
    if (!this.tarinaiChampionEligible?.() && !options.force) return false;
    if (this.isTarinaiChampion && !options.forcePersonality) {
      if (typeof tarinaiChampionName === "function") this.name = tarinaiChampionName(this.name);
      return false;
    }
    this.isTarinaiChampion = true;
    this.tarinaiChampionSince = Number.isFinite(this.tarinaiChampionSince) && this.tarinaiChampionSince > 0 ? this.tarinaiChampionSince : (this.world?.time || 0);
    if (typeof tarinaiChampionName === "function") {
      this.name = tarinaiChampionName(this.name);
    } else {
      const map = { "\u306F": "\u8987", "\u3046": "\u5B87", "\u3045": "\u30A5", "\u3063": "\uFF01" };
      this.name = String(this.name || "").replace(/[\u306F\u3046\u3045\u3063]/g, ch => map[ch] || ch);
    }
    ensurePersonality(this);
    const boosted = [];
    for (const key of ["aggression", "openness", "sociability"]) {
      const before = Number(this.currentPersonality?.[key]) || 0;
      const next = clampPersonalityValue(Math.max(before + 0.48, 0.86));
      this.currentPersonality[key] = next;
      if (this.birthPersonality && Number(this.birthPersonality[key]) > next) this.currentPersonality[key] = clampPersonalityValue(this.birthPersonality[key]);
      if (Math.abs((Number(this.currentPersonality[key]) || 0) - before) > 0.001) boosted.push(PERSONALITY_LABELS[key]?.label || key);
    }
    this.surpriseTimer = Math.max(this.surpriseTimer || 0, 0.65);
    this.focusPulseTimer = Math.max(this.focusPulseTimer || 0, 1.0);
    if (boosted.length) this.recordChangeCause?.("\u305F\u308A\u306A\u3044\u738B\u8005", boosted.join("\u30FB"), { value: +1 });
    this.world?.syncTarinaiCountEntry?.(this);
    this.world?.recordFamily?.(this);
    return true;
  },

  maybeBecomeTimidAfterDamage(cause = "") {
    if (this.dead) return false;
    const losses = this.totalFightLosses || 0;
    const wins = this.totalFightWins || 0;
    if (losses <= wins) return false;
    if (Math.random() >= 0.05) return false;
    const changedA = this.adjustPersonality?.("neuroticism", 0.025, "after being hurt") || 0;
    const changedB = this.adjustPersonality?.("aggression", -0.015, "after being hurt") || 0;
    this.fearTimer = Math.max(this.fearTimer || 0, 1.2);
    if (typeof applyNeedShock === "function") applyNeedShock(this, { safety: 9 });
    return Boolean(changedA || changedB);
  },

  relationTo(id) {
    if (!id) return relationDefaults();
    const pendingDead = this.world?._deadTarinaiIdsPendingCleanup;
    if (pendingDead instanceof Set && pendingDead.size > 0 && pendingDead.has(id) && !this.world?.liveTarinaiById?.(id)) {
      dropRelationPeerId(this, id);
      return relationDefaults();
    }
    if (!this.relationships) this.relationships = {};
    if (!this.relationships[id]) {
      this.relationships[id] = relationDefaults();
      const entry = relationPeerEntry(this);
      entry.ids.add(id);
      entry.ownCount = (entry.ownCount || 0) + 1;
      const other = this.world?.liveTarinaiById?.(id) || null;
      if (other) relationPeerEntry(other).ids.add(this.id);
    }
    return this.relationships[id];
  },

  pruneDeadRelationshipRefs(deadIds) {
    if (!(deadIds instanceof Set) || deadIds.size === 0) return 0;
    let removed = 0;
    for (const id of deadIds) if (dropRelationPeerId(this, id)) removed += 1;
    return removed;
  },

  adjustRelation(other, affinityDelta = 0, fearDelta = 0, event = "") {
    if (!other || !other.id || other === this) return;
    const rel = this.relationTo(other.id);
    const threshold = typeof FRIEND_AFFINITY_THRESHOLD === "number" ? FRIEND_AFFINITY_THRESHOLD : 14;
    const reverseBefore = other.relationships?.[this.id] || null;
    const wasFriend = Math.max(rel.affinity || 0, reverseBefore?.affinity || 0) >= threshold;
    rel.affinity = clamp((rel.affinity || 0) + affinityDelta, -24, 40);
    rel.fear = clamp((rel.fear || 0) + fearDelta, 0, 40);
    rel.fightsWon = rel.fightsWon || 0;
    rel.fightsLost = rel.fightsLost || 0;
    if (event) { rel.lastEvent = event; rel.lastTime = this.world.time; }
    this.relationCache = null;
    if (affinityDelta > 0 && rel.affinity >= threshold && other.relationTo) {
      const reverse = other.relationTo(this.id);
      const mirrored = Math.max(reverse.affinity || 0, threshold + 0.25, Math.min(rel.affinity, rel.affinity * 0.78));
      reverse.affinity = clamp(mirrored, -24, 40);
      reverse.fear = clamp(Math.min(reverse.fear || 0, rel.fear || 0), 0, 40);
      if (event && !reverse.lastEvent) { reverse.lastEvent = event; reverse.lastTime = this.world?.time || other.world?.time || 0; }
      other.relationCache = null;
    }
    const reverseAfter = other.relationships?.[this.id] || null;
    const isFriend = Math.max(rel.affinity || 0, reverseAfter?.affinity || 0) >= threshold;
    if (!wasFriend && isFriend) {
      this.world?.log?.(`${this.name}\u3068${other.name}\u306f\u53cb\u9054\u306b\u306a\u3063\u305f\u3002`, "relation", { participants: [this, other] });
    }
  },

  strongestRelation(kind = "friend", liveOnly = true) {
    let bestId = null;
    let bestScore = kind === "fear" ? 5 : FRIEND_AFFINITY_THRESHOLD;
    for (const id of relationIdSetFor(this)) {
      const other = this.world?.liveTarinaiById?.(id) || null;
      if (liveOnly && (!other || id === this.id)) {
        if (!other) lazyDropDeadRelationPeer(this, id);
        continue;
      }
      const rel = this.relationships?.[id] || relationDefaults();
      const reverse = kind === "fear" ? null : (other?.relationships?.[this.id] || null);
      const score = kind === "fear" ? (rel.fear || 0) : Math.max(rel.affinity || 0, reverse?.affinity || 0);
      if (score > bestScore) { bestId = id; bestScore = score; }
    }
    return bestId ? { id: bestId, score: bestScore, name: relationDisplayName(this.world, bestId) } : null;
  },

  relationSummary() {
    const friend = this.strongestRelation("friend");
    const fear = this.strongestRelation("fear");
    return { friend, fear };
  },

  currentFriendCount(minScore = FRIEND_AFFINITY_THRESHOLD, liveOnly = true) {
    const now = this.world?.time || 0;
    const cacheKey = `${minScore}:${liveOnly ? 1 : 0}`;
    if (this.relationCache?.friendCountKey === cacheKey && now < (this.relationCache.friendCountUntil || 0)) return this.relationCache.friendCount;
    let count = 0;
    for (const id of relationIdSetFor(this)) {
      const other = this.world?.liveTarinaiById?.(id) || null;
      if (liveOnly && (!other || id === this.id)) {
        if (!other) lazyDropDeadRelationPeer(this, id);
        continue;
      }
      const rel = this.relationships?.[id] || relationDefaults();
      const reverse = other?.relationships?.[this.id] || null;
      if (Math.max(rel.affinity || 0, reverse?.affinity || 0) <= minScore) continue;
      count += 1;
    }
    this.relationCache = { ...(this.relationCache || {}), friendCountKey: cacheKey, friendCount: count, friendCountUntil: now + 1.4 };
    return count;
  },

  sociabilityFriendScale() {
    const friends = this.currentFriendCount ? this.currentFriendCount(FRIEND_AFFINITY_THRESHOLD, true) : 0;
    return clamp(0.82 + Math.min(6, friends) * 0.16, 0.82, 1.78);
  },

  bestFriendLive(minScore = FRIEND_AFFINITY_THRESHOLD, maxDist = Infinity) {
    const now = this.world?.time || 0;
    const cacheKey = `${minScore}:${Number.isFinite(maxDist) ? Math.round(maxDist) : "inf"}`;
    if (this.relationCache?.bestFriendKey === cacheKey && now < (this.relationCache.bestFriendUntil || 0)) {
      const cached = this.world?.liveTarinaiById?.(this.relationCache.bestFriendId);
      if (cached && (!Number.isFinite(maxDist) || dist(this, cached) <= maxDist)) return cached;
    }
    let best = null, bestScore = minScore;
    for (const id of relationIdSetFor(this)) {
      const t = this.world.liveTarinaiById?.(id) || null;
      if (!t) {
        lazyDropDeadRelationPeer(this, id);
        continue;
      }
      const rel = this.relationships?.[id] || relationDefaults();
      const reverse = t?.relationships?.[this.id] || null;
      const score = Math.max(rel.affinity || 0, reverse?.affinity || 0);
      if (score <= bestScore) continue;
      if (Number.isFinite(maxDist) && dist(this, t) > maxDist) continue;
      best = t;
      bestScore = score;
    }
    this.relationCache = { ...(this.relationCache || {}), bestFriendKey: cacheKey, bestFriendId: best?.id || "", bestFriendUntil: now + 1.0 };
    return best;
  },

  recentFightRival(maxAge = 52, maxDist = Infinity) {
    let best = null, bestT = -Infinity;
    for (const [id, rel] of Object.entries(this.relationships || {})) {
      const event = String(rel.lastEvent || "");
      const when = rel.lastTime || -Infinity;
      if (this.world.time - when > maxAge) continue;
      if (!(event.includes("fight") || event.includes("\u55a7\u5629") || (rel.fightsWon || 0) || (rel.fightsLost || 0))) continue;
      const t = this.world.liveTarinaiById?.(id) || null;
      if (!t) {
        lazyDropDeadRelationPeer(this, id);
        continue;
      }
      if (Number.isFinite(maxDist) && dist(this, t) > maxDist) continue;
      if (when > bestT) { best = t; bestT = when; }
    }
    return best;
  },

  poke() {
    audio.poke();
    this.damage(rand(9, 16), "\u3064\u3064\u304b\u308c\u3059\u304e");
    this.addStress(22, { threshold: 8 });
    this.surpriseTimer = 0.55;
    this.fearTimer = Math.max(this.fearTimer, 1.2);
    this.pokeFlashTimer = 0.55;
    this.hurtTimer = Math.max(this.hurtTimer, 2.4);
    this.vx += rand(-100, 100);
    this.vy += rand(-100, 100);
    if (this.energy <= 0.5) this.die("\u3064\u3064\u304b\u308c\u3059\u304e");
  },

  showHpBar(duration = 4.8) {
    this.hpBarTimer = Math.max(this.hpBarTimer || 0, duration);
  },

  showStressBar(duration = 4.2) {
    this.stressBarTimer = Math.max(this.stressBarTimer || 0, duration);
  },

  addStress(amount, opts = {}) {
    const tolerance = Number.isFinite(opts.tolerance) ? opts.tolerance : 0.88;
    const delta = Math.max(0, (amount || 0) * tolerance);
    if (delta <= 0) return 0;
    if (!this.needShock) this.needShock = {};
    const shock = Math.min(100, delta * 1.8);
    this.needShock.safety = Math.max(this.needShock.safety || 0, shock);
    const before = this.stress || 0;
    if (this.needs && typeof calculateStressFromNeeds === "function") {
      const nextSafety = typeof quantizeNeed === "function" ? quantizeNeed((this.needs.safety || 0) + shock) : Math.min(100, (this.needs.safety || 0) + shock);
      this.stress = typeof applyGroundStressModifier === "function" ? applyGroundStressModifier(this, calculateStressFromNeeds({ ...this.needs, safety: nextSafety })) : calculateStressFromNeeds({ ...this.needs, safety: nextSafety });
    }
    const gained = Math.max(delta, Math.max(0, (this.stress || 0) - before));
    const threshold = opts.threshold ?? 8;
    if (gained >= threshold) this.showStressBar(opts.duration ?? 4.2);
    return gained;
  },
  recentDamageCause(maxAge = 10) { return HEALTH.recentDamageCause(this, maxAge); },

  rememberDamage(amount, reason = "") { return HEALTH.rememberDamage(this, amount, reason); },

  weakenedDeathReasonFor(cause = "") { return HEALTH.weakenedDeathReasonFor(cause); },

  dominantDeathCause(reason = "", opts = {}) { return HEALTH.dominantDeathCause(this, reason, opts); },

  normalizeDeathReason(reason = "", opts = {}) { return HEALTH.normalizeDeathReason(this, reason, opts); },

  damage(amount, reason = "", options = {}) { return HEALTH.applyDamage(this, amount, reason, options); },

  wakeFromDamage(reason = "") {
    if (this.dead) return false;
    const wasSleeping = this.state === "sleep" || this.sleeping || this.insideNestBoxId;
    if (!wasSleeping) return false;
    const box = this.nestBoxById ? this.nestBoxById(this.insideNestBoxId) : null;
    this.sleeping = false;
    if (this.enterPanic) this.enterPanic({ target: null, reason: "\u30c0\u30e1\u30fc\u30b8\u3067\u76ee\u304c\u899a\u3081\u305f", fear: 0.85, wake: false, cause: "wake_from_damage" });
    else { this.setActionState?.("panic", { target: null, reason: "\u30c0\u30e1\u30fc\u30b8\u3067\u76ee\u304c\u899a\u3081\u305f", wake: false }); this.fearTimer = Math.max(this.fearTimer || 0, 0.85); }
    this.hurtTimer = Math.max(this.hurtTimer || 0, 1.2);
    this.nestBoxStayUntil = -Infinity;
    if (this.insideNestBoxId) this.leaveNestBox(box);
    this.vx += rand(-34, 34);
    this.vy += rand(-26, 8);
    return true;
  },

  recoverHealth(amount) {
    if (this.dead) return;
    const maxEnergy = typeof tarinaiMaxEnergy === "function" ? tarinaiMaxEnergy(this) : (Number(this.maxEnergy) || 100);
    this.maxEnergy = maxEnergy;
    this.energy = clamp((this.energy || 0) + Math.max(0, amount || 0), 0, maxEnergy);
  },

  familyJoined() {
    return Boolean(this.hasPaired || (this.parents || []).length || (this.children || []).length);
  },
  displayGeneration() {
    return this.familyJoined() ? this.generation : null;
  },

  targetIdentity(target = this.target) {
    if (!target) return "";
    if (target.id) return `${target.type || "tarinai"}:${target.id}`;
    if (target.type) return `${target.type}:${Math.round(target.x || 0)}:${Math.round(target.y || 0)}`;
    if (Number.isFinite(target.x) && Number.isFinite(target.y)) return `point:${Math.round(target.x / 8)}:${Math.round(target.y / 8)}`;
    return "";
  },

  targetIgnoresFence(target = this.target) {
    const targetIsContainer = Boolean(target && globalThis.TarinaiToolRuntime?.isNestContainerItem?.(target, { alive: false }));
    return Boolean(target?.type === "sweet" || targetIsContainer || (target?.type === "bed" && (this.state === "seek_bed" || this.state === "sleep")) || this.state === "panic" || this.state === "fight" || this.state === "intimidate" || this.state === "birth_ritual" || this.state === "cursor_enemy");
  },

  shouldAvoidTarget(target) {
    if (!target || !Number.isFinite(target.x) || !Number.isFinite(target.y)) return false;
    if (this.targetIgnoresFence(target)) return false;
    const key = this.targetIdentity(target);
    if (key && this.targetGiveupKey === key && this.world.time < (this.targetGiveupUntil || 0)) return true;
    return this.world.pathBlockedByFence ? this.world.pathBlockedByFence(this.x, this.y, target.x, target.y, this.radius + 10) : false;
  },

  maintainTargetProgress(dt) {
    const target = this.target;
    if (!target || target.dead || !Number.isFinite(target.x) || !Number.isFinite(target.y)) {
      this.targetKey = "";
      this.targetSince = this.world.time;
      this.targetBestDist = Infinity;
      return;
    }
    if (this.targetIgnoresFence(target)) return;
    const key = this.targetIdentity(target);
    const d = distXY(this.x, this.y, target.x, target.y);
    if (key !== this.targetKey) {
      this.targetKey = key;
      this.targetSince = this.world.time;
      this.targetBestDist = d;
    } else if (d < (this.targetBestDist || Infinity) - 6) {
      this.targetBestDist = d;
      this.targetSince = this.world.time;
    }
    if (this.world.pathBlockedByFence && this.world.pathBlockedByFence(this.x, this.y, target.x, target.y, this.radius + 10)) {
      this.targetGiveupKey = key;
      this.targetGiveupUntil = this.world.time + 8;
      this.target = null;
      this.goIdle?.("\u67f5\u306b\u963b\u307e\u308c\u3066\u884c\u304d\u5148\u3092\u5909\u3048\u3066\u3044\u308b");
      this.wanderAngle += rand(-1.4, 1.4);
      return;
    }
    if (this.world.time - (this.targetSince || this.world.time) > 10.5 && d > this.radius + 24) {
      this.targetGiveupKey = key;
      this.targetGiveupUntil = this.world.time + 12;
      this.target = null;
      this.goIdle?.("\u8fbf\u308a\u7740\u3051\u305a\u3001\u3042\u304d\u3089\u3081\u305f");
      this.wanderAngle += rand(-2.2, 2.2);
    }
  },

  panicDestination(threat = null, force = false) {
    const now = this.world.time || 0;
    const current = this.panicTarget;
    if (!force && current && now < (this.panicTargetUntil || 0) && distXY(this.x, this.y, current.x, current.y) > 34) return current;
    let ax = Math.cos(this.wanderAngle || 0);
    let ay = Math.sin(this.wanderAngle || 0);
    if (threat && Number.isFinite(threat.x) && Number.isFinite(threat.y)) {
      const dx = this.x - threat.x;
      const dy = this.y - threat.y;
      const d = Math.hypot(dx, dy) || 1;
      ax = dx / d;
      ay = dy / d;
    }
    const turn = rand(-0.75, 0.75);
    const cos = Math.cos(turn);
    const sin = Math.sin(turn);
    const dirX = ax * cos - ay * sin;
    const dirY = ax * sin + ay * cos;
    const distance = rand(150, 250);
    const p = CONFIG.worldPadding + this.radius;
    let x = clamp(this.x + dirX * distance, p, this.world.w - p);
    let y = clamp(this.y + dirY * distance, p, this.world.h - p);
    if (distXY(this.x, this.y, x, y) < 70) {
      x = clamp(this.x - dirY * distance, p, this.world.w - p);
      y = clamp(this.y + dirX * distance, p, this.world.h - p);
    }
    this.panicTarget = { x, y, dead: false, detour: true, panic: true };
    this.panicTargetUntil = now + rand(1.6, 3.0);
    this.panicStuckTimer = 0;
    this.wanderAngle = Math.atan2(y - this.y, x - this.x);
    return this.panicTarget;
  },

  lowHealthSprite() {
    // \u4F53\u529B\u6BD4\u7387\u306B\u3088\u308B\u6BB5\u968E\u8868\u793A: 30%\u4EE5\u4E0B cry\u300120%\u4EE5\u4E0B weak\u300110%\u4EE5\u4E0B stretch\u3002
    const maxEnergy = typeof tarinaiMaxEnergy === "function" ? tarinaiMaxEnergy(this) : (Number(this.maxEnergy) || 100);
    const energyRatio = (Number(this.energy) || 0) / Math.max(1, Number(maxEnergy) || 100);
    if (energyRatio <= 0.10) return "stretch";
    if (energyRatio <= 0.20) return "weak";
    if (energyRatio <= 0.30) return "cry";
    return null;
  },

  briefDeathReason(reason = this.deathReason) { return HEALTH.briefDeathReason(this, reason); },

  temperatureDiscomfortSprite(baseId = "") {
    const world = this.world || null;
    const felt = world?.feltTemperatureFor?.(this) ?? world?.temperatureAt?.(this.x, this.y, this) ?? this.feltTemperature ?? this.tempComfort ?? (CONFIG.standardTemperature ?? 15);
    const status = this.temperatureStatus || world?.temperatureStatusFor?.(felt, this) || null;
    if (!status || status.comfortable || (status.discomfort || 0) < 2.5) return "";
    const pool = (status.direction === "cold" ? ["cold_1", "cold_2", "cold_3"] : ["hot_1", "hot_2", "hot_3"]).filter(id => SPRITES.some(s => s.id === id));
    if (!pool.length) return "";
    const u = typeof stableUnit === "function" ? stableUnit(this.familyKey || this.id || this.birthSeed || baseId || "temperature", `temperature-sprite:${status.direction}`) : Math.random();
    const index = Math.max(0, Math.min(pool.length - 1, Math.floor(u * pool.length)));
    return pool[index] || pool[0] || "";
  },

  applyTemperatureSprite(baseId = "") {
    const id = String(baseId || "");
    if (!id) return id;
    if (!["smile", "jito", "normal_smirk", "normal_tongue", "normal_happy", "pokan", "angry", "hungry_70"].includes(id)) return id;
    return this.temperatureDiscomfortSprite(id) || id;
  },

  variantSprite(category) {
    const pools = {
      hurt: ["hurt", "hurt2"],
      fear: ["teary", "fear", "flee_fear2", "fear_blue", "fear_cry"],
      flee: ["flee", "flee_fear2"],
      sleep: ["sleep", "sleep2"],
      stress: ["stress_dizzy", "stress_sweat"],
      low_stress: lowStressSprites(),
      intimidate: ["intimidate"],
      normal: displayNormalSprites(),
    };
    const options = (pools[category] || []).filter(id => SPRITES.some(s => s.id === id));
    return stableChoice(this.familyKey || this.id, `variant-${category}`, options) || options[0] || this.goodMode || "smile";
  }
  }));
})(typeof window !== "undefined" ? window : globalThis);