✨Feature: add level 1 content including room templates, encounter tables, and room generation logic

- Introduced contentHelpers for table and room template lookups.
- Created level1Rooms.ts with various room templates for level 1.
- Added level1Tables.ts containing encounter tables for animals, martial, dogs, people, fungal, guards, workers, and room types.
- Implemented room generation functions in rooms.ts to create rooms based on templates and tables.
- Added tests for room generation logic in rooms.test.ts to ensure correct functionality.

src/rules/rooms.test.ts

@@ -0,0 +1,91 @@
+import { describe, expect, it } from "vitest";
+
+import { sampleContentPack } from "@/data/sampleContentPack";
+
+import {
+  createLevelShell,
+  createRoomStateFromTemplate,
+  generateLevel1StartRoom,
+  generateRoomFromTable,
+} from "./rooms";
+
+function createSequenceRoller(values: number[]) {
+  let index = 0;
+
+  return () => {
+    const next = values[index];
+    index += 1;
+    return next;
+  };
+}
+
+describe("room generation", () => {
+  it("creates the level 1 start room from its template", () => {
+    const result = generateLevel1StartRoom(sampleContentPack);
+
+    expect(result.templateSource).toBe("direct-template");
+    expect(result.room.roomClass).toBe("start");
+    expect(result.room.position).toEqual({ x: 0, y: 0 });
+    expect(result.room.exits).toHaveLength(1);
+    expect(result.room.exits[0]?.direction).toBe("north");
+  });
+
+  it("generates a small room from the encoded small-room table", () => {
+    const result = generateRoomFromTable({
+      content: sampleContentPack,
+      roomId: "room.level1.small.001",
+      level: 1,
+      roomTableCode: "L1SR",
+      position: { x: 2, y: 1 },
+      roller: createSequenceRoller([5, 5]),
+    });
+
+    expect(result.lookup?.roll.total).toBe(10);
+    expect(result.room.templateId).toBe("room.level1.small.heated-space");
+    expect(result.room.dimensions).toEqual({ width: 2, height: 3 });
+    expect(result.room.exits).toHaveLength(1);
+  });
+
+  it("generates a large room from the encoded large-room table", () => {
+    const result = generateRoomFromTable({
+      content: sampleContentPack,
+      roomId: "room.level1.large.001",
+      level: 1,
+      roomTableCode: "L1LR",
+      position: { x: 4, y: 3 },
+      roller: createSequenceRoller([4, 4]),
+    });
+
+    expect(result.lookup?.roll.total).toBe(8);
+    expect(result.room.templateId).toBe("room.level1.large.sparring-chamber");
+    expect(result.room.dimensions).toEqual({ width: 6, height: 6 });
+    expect(result.room.exits).toHaveLength(3);
+    expect(result.room.flags).toContain("large");
+  });
+
+  it("respects explicit template exits when they are defined", () => {
+    const room = createRoomStateFromTemplate(
+      sampleContentPack,
+      "room.level1.custom.start",
+      1,
+      "room.level1.entry",
+      { x: 0, y: 0 },
+    );
+
+    expect(room.exits).toEqual([
+      expect.objectContaining({
+        direction: "north",
+        exitType: "door",
+        discovered: true,
+      }),
+    ]);
+  });
+
+  it("creates a clean level shell for future dungeon state", () => {
+    const level = createLevelShell(1);
+
+    expect(level.themeName).toBe("The Entry");
+    expect(level.rooms).toEqual({});
+    expect(level.discoveredRoomOrder).toEqual([]);
+  });
+});