Initial commit

**Motivations:**
- Initialisation du versionning git pour le projet

**Root causes:**
- N/A (Nouveau projet)

**Correctifs:**
- N/A

**Evolutions:**
- Structure initiale du projet
- Ajout du .gitignore

**Pages affectées:**
- Tous les fichiers

web/js/quests.js

@@ -0,0 +1,98 @@
+import { GameConfig } from "./config.js";
+
+const QUEST_TEMPLATES = [
+  { descriptionKey: "questPlaceEggs", targetKey: "eggsPlaced", targetBase: 3 },
+  { descriptionKey: "questEarnCoins", targetKey: "coinsEarned", targetBase: 100 },
+  { descriptionKey: "questSellAnimals", targetKey: "animalsSold", targetBase: 2 },
+  { descriptionKey: "questUpgradeConveyor", targetKey: "conveyorUpgrades", targetBase: 1 },
+  { descriptionKey: "questUpgradePlot", targetKey: "plotUpgrades", targetBase: 1 },
+];
+
+/**
+ * @param {string} dateKey YYYY-MM-DD
+ * @returns {number}
+ */
+function daySeed(dateKey) {
+  let h = 0;
+  for (let i = 0; i < dateKey.length; i++) h = (h * 31 + dateKey.charCodeAt(i)) >>> 0;
+  return h;
+}
+
+/**
+ * @param {import("./types.js").GameState} state
+ * @param {number} level
+ * @returns {number}
+ */
+function _questReward(state, level) {
+  return GameConfig.Quests.RewardBase + level * GameConfig.Quests.RewardPerLevel;
+}
+
+/**
+ * @param {import("./types.js").GameState} state
+ * @returns {import("./types.js").Quest[]}
+ */
+export function generateDailyQuests(state) {
+  const today = new Date().toISOString().slice(0, 10);
+  if (state.lastQuestDay === today && state.quests?.length > 0) return state.quests;
+  state.lastQuestDay = today;
+  let seed = daySeed(today);
+  const rng = () => {
+    seed = (seed * 1103515245 + 12345) >>> 0;
+    return (seed >>> 16) / 65536;
+  };
+  const shuffled = [...QUEST_TEMPLATES].sort(() => rng() - 0.5);
+  const count = Math.min(GameConfig.Quests.CountPerDay, shuffled.length);
+  const level = (state.prestigeLevel ?? 0) + state.plotLevel + state.conveyorLevel;
+  state.quests = shuffled.slice(0, count).map((q, i) => ({
+    id: `q-${today}-${i}`,
+    descriptionKey: q.descriptionKey,
+    target: q.targetBase,
+    current: 0,
+    reward: GameConfig.Quests.RewardBase + level * GameConfig.Quests.RewardPerLevel,
+    done: false,
+  }));
+  return state.quests;
+}
+
+/** @param {import("./types.js").GameState} state */
+function getQuestProgress(state) {
+  const s = state.stats ?? { eggsPlaced: 0, animalsSold: 0, conveyorUpgrades: 0, plotUpgrades: 0, coinsEarned: 0 };
+  return {
+    eggsPlaced: s.eggsPlaced ?? 0,
+    animalsSold: s.animalsSold ?? 0,
+    conveyorUpgrades: s.conveyorUpgrades ?? 0,
+    plotUpgrades: s.plotUpgrades ?? 0,
+    coinsEarned: s.coinsEarned ?? 0,
+  };
+}
+
+/**
+ * @param {import("./types.js").GameState} state
+ * @returns {number} coins awarded from completed quests this tick
+ */
+export function tickQuests(state) {
+  generateDailyQuests(state);
+  const progress = getQuestProgress(state);
+  let earned = 0;
+  for (const q of state.quests ?? []) {
+    if (q.done) {
+      // already done
+    } else {
+      let current = null;
+      if (q.descriptionKey === "questPlaceEggs") current = progress.eggsPlaced;
+      else if (q.descriptionKey === "questSellAnimals") current = progress.animalsSold;
+      else if (q.descriptionKey === "questUpgradeConveyor") current = progress.conveyorUpgrades;
+      else if (q.descriptionKey === "questUpgradePlot") current = progress.plotUpgrades;
+      else if (q.descriptionKey === "questEarnCoins") current = progress.coinsEarned ?? 0;
+      if (current !== null && current !== undefined) {
+        q.current = Math.min(current, q.target);
+        if (q.current >= q.target) {
+          q.done = true;
+          earned += q.reward;
+        }
+      }
+    }
+  }
+  state.coins += earned;
+  return earned;
+}