feat(v0.3.1): 星图天文台元进程天赋系统 — 18 天赋 / 3 选 1 draft / Canvas 动态星图

- 新增 src/lib/game/constellation.ts：6 类别 × 3 天赋 = 18 个永久天赋， constellationBonuses() 聚合 19 项修饰器，rollPerkChoices() 保证不同类别 - 状态扩展：GameState.constellation / pendingPerkChoices - engine.ts: recomputeStats 聚合三层加成（技术+蓝图+成就+星图）， performPrestige 触发天赋选择 + 飞升礼包补偿，新增 rollCrystalTierWithBonus - expedition.ts: 探险力/生命应用星座修饰器 - gameStore.ts: 新增 chooseConstellationPerk + rerollPerkChoices 动作，全链路接入（tickTide/autoDecodeTick/clickNode 等用点） - 新增 ConstellationPanel.tsx: Canvas 动态星图（六边形 6 星座 × 3 星点，闪烁/光晕/十字光线/连接线/中心星核呼吸）+ Hover 提示 + 类别图例 - 新增 ConstellationDialog.tsx: 飞升后自动弹出，3 卡片 draft + 重新抽取 - PrestigeDialog: 增加「星图觉醒预告」卡片 - page.tsx: 6 列标签栏 + 顶部「觉醒」按钮 + 统计面板加星图天赋 - audio.ts: 新增 constellation SFX（上升琶音 + 高频闪光） - achievements.ts: 新增「星图初绘」「六分星辉」2 项成就 - QA: agent-browser + VLM 全流程通过；lint 零错误；编译 < 200ms - 二次回应 Issue #1：从「连连看」扩展为 6 大玩法层 + 元进程 draft
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+// 回响星核 / Echo Nexus — 星图天文台：飞升后元进程（Meta-Progression）
+// 设计动机：回应 Issue #1「就一直连连看？」——飞升后玩家从 3 个随机星座天赋中选 1，
+// 跨周目永久生效。增加策略选择 + 视觉变化（动态星图）。
+import type { GameState } from "./types";
+
+/** 星座天赋类别（6 类，每类 3 个天赋 = 18 个） */
+export type ConstellationCategory =
+  | "mining" // 翠 - 采矿
+  | "decoding" // 玫 - 解码
+  | "expedition" // 琥 - 探险
+  | "contact" // 紫 - 接触
+  | "economy" // 灰 - 经济
+  | "cosmic"; // 金 - 宇宙
+
+/** 天赋效果（聚合到 recomputeStats 或具体动作处） */
+export interface ConstellationPerk {
+  id: string;
+  category: ConstellationCategory;
+  name: string;
+  desc: string;
+  /** 顺序序号（同类别 1/2/3，决定星座内的位置） */
+  order: number;
+}
+
+/** 类别可视化（用于 Canvas 与 CSS） */
+export const CONSTELLATION_CATEGORY_META: Record<
+  ConstellationCategory,
+  { name: string; color: string; glow: string; hex: string; icon: string; desc: string }
+> = {
+  mining: { name: "永动矿脉", color: "emerald", glow: "rgba(52,211,153,0.55)", hex: "#34d399", icon: "Pickaxe", desc: "晶体产能与仓储" },
+  decoding: { name: "光谱矩阵", color: "rose", glow: "rgba(251,113,133,0.55)", hex: "#fb7185", icon: "ScanLine", desc: "解码效率与脉冲" },
+  expedition: { name: "远征星图", color: "amber", glow: "rgba(251,191,36,0.55)", hex: "#fbbf24", icon: "Rocket", desc: "探险力与生命" },
+  contact: { name: "接触回响", color: "fuchsia", glow: "rgba(232,121,249,0.55)", hex: "#e879f9", icon: "Sparkles", desc: "接触进度与飞升" },
+  economy: { name: "虚空市场", color: "slate", glow: "rgba(148,163,184,0.55)", hex: "#94a3b8", icon: "Coins", desc: "经济与离线" },
+  cosmic: { name: "宇宙回响", color: "amber", glow: "rgba(251,191,36,0.55)", hex: "#fcd34d", icon: "Star", desc: "全局综合增益" },
+};
+
+/** 18 个星座天赋（6 类 × 3） */
+export const CONSTELLATION_PERKS: ConstellationPerk[] = [
+  // 翠 · 永动矿脉
+  { id: "c_min_1", category: "mining", order: 1, name: "永动钻头", desc: "晶体/秒 +20%" },
+  { id: "c_min_2", category: "mining", order: 2, name: "深井网络", desc: "仓库上限 +50%" },
+  { id: "c_min_3", category: "mining", order: 3, name: "谐振熔炉", desc: "主动脉冲威力 +50%" },
+  // 玫 · 光谱矩阵
+  { id: "c_dec_1", category: "decoding", order: 1, name: "光谱记忆", desc: "洞见倍率 +15%" },
+  { id: "c_dec_2", category: "decoding", order: 2, name: "步幅延展", desc: "解码步数上限 +1" },
+  { id: "c_dec_3", category: "decoding", order: 3, name: "自动校准", desc: "自动解码周期 -3s" },
+  // 琥 · 远征星图
+  { id: "c_exp_1", category: "expedition", order: 1, name: "维生护盾", desc: "探险生命 +25%" },
+  { id: "c_exp_2", category: "expedition", order: 2, name: "信标矩阵", desc: "探险力 +20%" },
+  { id: "c_exp_3", category: "expedition", order: 3, name: "能量共振", desc: "能量上限 +1" },
+  // 紫 · 接触回响
+  { id: "c_con_1", category: "contact", order: 1, name: "接触共鸣", desc: "接触进度率 +20%" },
+  { id: "c_con_2", category: "contact", order: 2, name: "飞升加速", desc: "飞升所需接触 -10" },
+  { id: "c_con_3", category: "contact", order: 3, name: "蓝图回响", desc: "每个蓝图额外 +2% 全属性" },
+  // 灰 · 虚空市场
+  { id: "c_eco_1", category: "economy", order: 1, name: "离线缓存", desc: "离线效率 +15%" },
+  { id: "c_eco_2", category: "economy", order: 2, name: "晶体富集", desc: "T2/T3 晶体出现率 +8%" },
+  { id: "c_eco_3", category: "economy", order: 3, name: "星潮引导", desc: "星潮间隙 -10s" },
+  // 金 · 宇宙回响
+  { id: "c_cos_1", category: "cosmic", order: 1, name: "飞升礼包", desc: "每次飞升后获得 +30 晶体 / +5 洞见" },
+  { id: "c_cos_2", category: "cosmic", order: 2, name: "二周目经验", desc: "解码奖励 +10%" },
+  { id: "c_cos_3", category: "cosmic", order: 3, name: "全息共振", desc: "所有产能与脉冲 +8%" },
+];
+
+/** 由 ID 取天赋 */
+export function getPerk(id: string): ConstellationPerk | undefined {
+  return CONSTELLATION_PERKS.find((p) => p.id === id);
+}
+
+/** 聚合玩家已解锁天赋的总修饰器（供 recomputeStats / 具体动作使用） */
+export interface ConstellationModifiers {
+  crystalsPerSecMult: number;
+  crystalCapMult: number;
+  pulsePowerMult: number;
+  insightMultAdd: number;
+  decodeStepsBonus: number;
+  autoDecodeIntervalDeltaSec: number;
+  expeditionHpMult: number;
+  expeditionPowerMult: number;
+  energyMaxBonus: number;
+  contactRateMult: number;
+  prestigeContactMinDelta: number;
+  perBlueprintAllStatsPct: number;
+  offlineEffBonus: number;
+  t2t3BonusRate: number;
+  tideGapDeltaSec: number;
+  prestigeStartCrystals: number;
+  prestigeStartInsights: number;
+  decodeRewardMult: number;
+  allProductionMult: number;
+}
+
+export function constellationBonuses(perks: string[]): ConstellationModifiers {
+  const owned = new Set(perks);
+  const m: ConstellationModifiers = {
+    crystalsPerSecMult: 1,
+    crystalCapMult: 1,
+    pulsePowerMult: 1,
+    insightMultAdd: 0,
+    decodeStepsBonus: 0,
+    autoDecodeIntervalDeltaSec: 0,
+    expeditionHpMult: 1,
+    expeditionPowerMult: 1,
+    energyMaxBonus: 0,
+    contactRateMult: 1,
+    prestigeContactMinDelta: 0,
+    perBlueprintAllStatsPct: 0,
+    offlineEffBonus: 0,
+    t2t3BonusRate: 0,
+    tideGapDeltaSec: 0,
+    prestigeStartCrystals: 0,
+    prestigeStartInsights: 0,
+    decodeRewardMult: 1,
+    allProductionMult: 1,
+  };
+  if (owned.has("c_min_1")) m.crystalsPerSecMult += 0.2;
+  if (owned.has("c_min_2")) m.crystalCapMult += 0.5;
+  if (owned.has("c_min_3")) m.pulsePowerMult += 0.5;
+  if (owned.has("c_dec_1")) m.insightMultAdd += 0.15;
+  if (owned.has("c_dec_2")) m.decodeStepsBonus += 1;
+  if (owned.has("c_dec_3")) m.autoDecodeIntervalDeltaSec -= 3;
+  if (owned.has("c_exp_1")) m.expeditionHpMult += 0.25;
+  if (owned.has("c_exp_2")) m.expeditionPowerMult += 0.2;
+  if (owned.has("c_exp_3")) m.energyMaxBonus += 1;
+  if (owned.has("c_con_1")) m.contactRateMult += 0.2;
+  if (owned.has("c_con_2")) m.prestigeContactMinDelta -= 10;
+  if (owned.has("c_con_3")) m.perBlueprintAllStatsPct += 2;
+  if (owned.has("c_eco_1")) m.offlineEffBonus += 0.15;
+  if (owned.has("c_eco_2")) m.t2t3BonusRate += 0.08;
+  if (owned.has("c_eco_3")) m.tideGapDeltaSec -= 10;
+  if (owned.has("c_cos_1")) {
+    m.prestigeStartCrystals += 30;
+    m.prestigeStartInsights += 5;
+  }
+  if (owned.has("c_cos_2")) m.decodeRewardMult += 0.1;
+  if (owned.has("c_cos_3")) m.allProductionMult += 0.08;
+  return m;
+}
+
+/** 生成 3 个可选天赋（从未拥有的中随机抽取，保证类别多样性） */
+export function rollPerkChoices(
+  owned: string[],
+  rng: () => number = Math.random
+): string[] {
+  const ownedSet = new Set(owned);
+  const pool = CONSTELLATION_PERKS.filter((p) => !ownedSet.has(p.id));
+  if (pool.length === 0) return [];
+  // 洗牌
+  const shuffled = [...pool].sort(() => rng() - 0.5);
+  // 取前 3 个，但尽量保证不同类别
+  const picked: ConstellationPerk[] = [];
+  const usedCats = new Set<ConstellationCategory>();
+  // 第一轮：每类最多 1 个
+  for (const p of shuffled) {
+    if (picked.length >= 3) break;
+    if (!usedCats.has(p.category)) {
+      picked.push(p);
+      usedCats.add(p.category);
+    }
+  }
+  // 第二轮：补齐
+  for (const p of shuffled) {
+    if (picked.length >= 3) break;
+    if (!picked.includes(p)) picked.push(p);
+  }
+  return picked.slice(0, 3).map((p) => p.id);
+}
+
+/** 给定类别取该类别内已解锁的天赋 order 数 */
+export function countUnlockedInCategory(perks: string[], cat: ConstellationCategory): number {
+  const owned = new Set(perks);
+  return CONSTELLATION_PERKS.filter((p) => p.category === cat && owned.has(p.id)).length;
+}
+
+/** 计算总进度（已解锁 / 18） */
+export function constellationProgress(perks: string[]): { unlocked: number; total: number } {
+  return { unlocked: perks.length, total: CONSTELLATION_PERKS.length };
+}
+
+/** 飞升所需接触进度（受天赋影响） */
+export function computePrestigeContactMin(state: GameState): number {
+  const c = constellationBonuses(state.constellation ?? []);
+  return Math.max(60, 100 + c.prestigeContactMinDelta);
+}
+
+/** 星图布局：6 个星座中心点（极坐标转笛卡尔） */
+export function getConstellationLayout(centerX: number, centerY: number, radius: number) {
+  const cats: ConstellationCategory[] = ["mining", "decoding", "expedition", "contact", "economy", "cosmic"];
+  return cats.map((cat, i) => {
+    // 六边形布局：每 60° 一个
+    const angle = (Math.PI / 3) * i - Math.PI / 2; // 顶部为第一个
+    return {
+      category: cat,
+      cx: centerX + radius * Math.cos(angle),
+      cy: centerY + radius * Math.sin(angle),
+      meta: CONSTELLATION_CATEGORY_META[cat],
+    };
+  });
+}
+
+/** 取某类别内 3 个星点的局部坐标（相对星座中心） */
+export function getStarsInCategory(cat: ConstellationCategory, cx: number, cy: number, scale = 1) {
+  const perks = CONSTELLATION_PERKS.filter((p) => p.category === cat).sort((a, b) => a.order - b.order);
+  return perks.map((p, i) => {
+    // 三角形排布：order 1 顶点，2/3 底部
+    const localY = i === 0 ? -22 * scale : 14 * scale;
+    const localX = i === 0 ? 0 : (i === 1 ? -18 * scale : 18 * scale);
+    return {
+      perk: p,
+      x: cx + localX,
+      y: cy + localY,
+    };
+  });
+}