Clean repo for open source release

Remove build artifacts, dev tool configs, unused dependencies,
and third-party source dumps. Add proper README, update .gitignore,
clean up Makefile.

src/main/java/com/tiedup/remake/util/tasks/JobLoader.java

@@ -0,0 +1,148 @@
+package com.tiedup.remake.util.tasks;
+
+import com.tiedup.remake.core.TiedUpMod;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Loads and manages job tasks for slave work system.
+ *
+ * Phase 14.3.5: Job system
+ *
+ * A job is an ItemTask that a slave must complete
+ * (fetch X items) within a time limit or face punishment.
+ *
+ * Based on original JobLoader from 1.12.2
+ */
+public class JobLoader {
+
+    private static final Random RANDOM = new Random();
+
+    /** List of available jobs */
+    private static final List<ItemTask> JOBS = new ArrayList<>();
+
+    /** Whether jobs have been initialized */
+    private static boolean initialized = false;
+
+    /**
+     * Initialize default jobs.
+     * Called on mod initialization.
+     */
+    public static void init() {
+        if (initialized) return;
+
+        // Default jobs - common gathering tasks
+        // Easy jobs
+        JOBS.add(new ItemTask("minecraft:cobblestone", 16));
+        JOBS.add(new ItemTask("minecraft:dirt", 16));
+        JOBS.add(new ItemTask("minecraft:oak_log", 8));
+        JOBS.add(new ItemTask("minecraft:wheat", 10));
+        JOBS.add(new ItemTask("minecraft:potato", 10));
+        JOBS.add(new ItemTask("minecraft:carrot", 10));
+        JOBS.add(new ItemTask("minecraft:apple", 5));
+
+        // Medium jobs
+        JOBS.add(new ItemTask("minecraft:iron_ore", 5));
+        JOBS.add(new ItemTask("minecraft:coal", 10));
+        JOBS.add(new ItemTask("minecraft:raw_iron", 5));
+        JOBS.add(new ItemTask("minecraft:raw_copper", 10));
+        JOBS.add(new ItemTask("minecraft:leather", 5));
+        JOBS.add(new ItemTask("minecraft:string", 8));
+        JOBS.add(new ItemTask("minecraft:paper", 10));
+        JOBS.add(new ItemTask("minecraft:book", 3));
+
+        // Hard jobs
+        JOBS.add(new ItemTask("minecraft:raw_gold", 3));
+        JOBS.add(new ItemTask("minecraft:diamond", 1));
+        JOBS.add(new ItemTask("minecraft:emerald", 1));
+        JOBS.add(new ItemTask("minecraft:blaze_rod", 2));
+        JOBS.add(new ItemTask("minecraft:ender_pearl", 2));
+        JOBS.add(new ItemTask("minecraft:obsidian", 4));
+
+        initialized = true;
+
+        TiedUpMod.LOGGER.info(
+            "[JobLoader] Loaded {} default jobs",
+            JOBS.size()
+        );
+    }
+
+    /**
+     * Get a random job task.
+     *
+     * @return Random ItemTask for a job
+     */
+    public static ItemTask getRandomJob() {
+        if (JOBS.isEmpty()) {
+            // Fallback if not initialized
+            return new ItemTask("minecraft:cobblestone", 16);
+        }
+
+        return JOBS.get(RANDOM.nextInt(JOBS.size()));
+    }
+
+    /**
+     * Get a random job from a difficulty tier.
+     *
+     * @param difficulty 0 = easy, 1 = medium, 2 = hard
+     * @return Random ItemTask from that tier
+     */
+    public static ItemTask getRandomJob(int difficulty) {
+        if (JOBS.isEmpty()) {
+            return new ItemTask("minecraft:cobblestone", 16);
+        }
+
+        // Simple tier system based on list indices
+        int tierSize = JOBS.size() / 3;
+        int startIndex = difficulty * tierSize;
+        int endIndex = Math.min(startIndex + tierSize, JOBS.size());
+
+        if (startIndex >= JOBS.size()) {
+            startIndex = 0;
+            endIndex = tierSize;
+        }
+
+        int range = endIndex - startIndex;
+        if (range <= 0) range = 1;
+
+        return JOBS.get(startIndex + RANDOM.nextInt(range));
+    }
+
+    /**
+     * Get all available jobs.
+     *
+     * @return List of all jobs
+     */
+    public static List<ItemTask> getAllJobs() {
+        return new ArrayList<>(JOBS);
+    }
+
+    /**
+     * Check if jobs are available.
+     *
+     * @return true if at least one job is configured
+     */
+    public static boolean hasJobs() {
+        return !JOBS.isEmpty();
+    }
+
+    /**
+     * Add a custom job.
+     *
+     * @param job The job to add
+     */
+    public static void addJob(ItemTask job) {
+        if (job != null) {
+            JOBS.add(job);
+        }
+    }
+
+    /**
+     * Clear all jobs (for reloading).
+     */
+    public static void clear() {
+        JOBS.clear();
+        initialized = false;
+    }
+}