From 209f8508cd89ff8a4c86d36fbbf143dd9beab645 Mon Sep 17 00:00:00 2001
From: Ilia Denisov <evilcart@gmail.com>
Date: Wed, 27 May 2026 22:12:51 +0200
Subject: [PATCH] =?UTF-8?q?feat(ui):=20F8-11=20=E2=80=94=20battles=20table?=
 =?UTF-8?q?=20under=20table=20submenu=20(#54)?=
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Adds a sortable battles list as a new entity under the existing
`view → table` submenu (entity slug `battles`), replacing the
standalone top-level `battle log` shortcut which always opened a
"battle not found" placeholder. The single-battle viewer stays put
and is reached only by clicking a row (or a battle marker on the
map), identical to the existing `section-battles.svelte` flow.

Columns are planet (via the shared `planetLabel` helper) and shots
(the per-battle action count carried by `BattleSummary`), sortable
both ways with shots-desc default. No backend / FBS / map changes:
the wire payload is unchanged. Participants / observers / total
mass require the full BattleReport and were intentionally dropped
to avoid N round trips per menu open.

The top-level `battle log` item is removed from `header/view-menu`
and `sidebar/bottom-tabs` (and their stale comment blocks updated);
the now-orphan `game.view.battle` i18n key is dropped from both
locales.
---
 .../active-view/table-battles-state.svelte.ts |  34 +++
 .../src/lib/active-view/table-battles.svelte  | 226 +++++++++++++++++
 ui/frontend/src/lib/active-view/table.svelte  |   3 +
 ui/frontend/src/lib/header/view-menu.svelte   |  22 +-
 ui/frontend/src/lib/i18n/locales/en.ts        |   7 +-
 ui/frontend/src/lib/i18n/locales/ru.ts        |   7 +-
 .../src/lib/sidebar/bottom-tabs.svelte        |  19 +-
 ui/frontend/tests/e2e/game-shell.spec.ts      |   2 +-
 ui/frontend/tests/game-shell-header.test.ts   |   2 +-
 ui/frontend/tests/table-battles.test.ts       | 237 ++++++++++++++++++
 10 files changed, 529 insertions(+), 30 deletions(-)
 create mode 100644 ui/frontend/src/lib/active-view/table-battles-state.svelte.ts
 create mode 100644 ui/frontend/src/lib/active-view/table-battles.svelte
 create mode 100644 ui/frontend/tests/table-battles.test.ts

diff --git a/ui/frontend/src/lib/active-view/table-battles-state.svelte.ts b/ui/frontend/src/lib/active-view/table-battles-state.svelte.ts
new file mode 100644
index 0000000..b414c44
--- /dev/null
+++ b/ui/frontend/src/lib/active-view/table-battles-state.svelte.ts
@@ -0,0 +1,34 @@
+// F8-11 battles table — module-level sort rune.
+//
+// Held outside the component so the user's sort choice survives the
+// component being unmounted (row click → battle viewer → back to the
+// table). Held in memory only; an F5 reloads the report and the
+// defaults take over.
+
+export type BattlesSortColumn = "planet" | "shots";
+
+export type BattlesSortDirection = "asc" | "desc";
+
+export interface BattlesTableState {
+	sortColumn: BattlesSortColumn;
+	sortDirection: BattlesSortDirection;
+}
+
+const DEFAULT_STATE: BattlesTableState = {
+	sortColumn: "shots",
+	sortDirection: "desc",
+};
+
+export const battlesTableState: BattlesTableState = $state({
+	...DEFAULT_STATE,
+});
+
+/**
+ * resetBattlesTableState restores every field to its default value.
+ * Production code never calls it; the Vitest harness uses it from
+ * `beforeEach` to keep cases independent (the rune is a module-level
+ * singleton that otherwise carries state across test boundaries).
+ */
+export function resetBattlesTableState(): void {
+	Object.assign(battlesTableState, DEFAULT_STATE);
+}
diff --git a/ui/frontend/src/lib/active-view/table-battles.svelte b/ui/frontend/src/lib/active-view/table-battles.svelte
new file mode 100644
index 0000000..36e70cc
--- /dev/null
+++ b/ui/frontend/src/lib/active-view/table-battles.svelte
@@ -0,0 +1,226 @@
+<!--
+F8-11 battles table. Lists every battle the engine recorded for the
+current turn (`Report.battle[]`) with a sortable planet/shots view.
+Row click opens the existing Battle Viewer through
+`activeView.select("battle", { battleId, turn })`, identical to the
+`section-battles.svelte` and battle-marker entry points so a single
+viewer wrapper keeps owning the data fetch.
+
+Intentionally minimal: only the two scalars carried by the report's
+`BattleSummary` (planet number and shot count). Participants /
+observers / fleet mass live in the per-battle `BattleReport` and are
+out of scope here — fetching them per row would mean N round trips
+on every menu open.
+-->
+<script lang="ts">
+	import { getContext } from "svelte";
+
+	import type { ReportBattle, ReportPlanet } from "../../api/game-state";
+	import { activeView } from "$lib/app-nav.svelte";
+	import { i18n, type TranslationKey } from "$lib/i18n/index.svelte";
+	import { planetLabel } from "./report/format";
+	import {
+		RENDERED_REPORT_CONTEXT_KEY,
+		type RenderedReportSource,
+	} from "$lib/rendered-report.svelte";
+	import ViewState from "$lib/ui/view-state.svelte";
+	import { formatInt } from "$lib/util/number-format";
+	import {
+		battlesTableState as persistent,
+		type BattlesSortColumn as SortColumn,
+	} from "./table-battles-state.svelte";
+
+	const COLUMN_LABELS: Record<SortColumn, TranslationKey> = {
+		planet: "game.table.battles.column.planet",
+		shots: "game.table.battles.column.shots",
+	};
+
+	const COLUMNS: readonly SortColumn[] = ["planet", "shots"];
+
+	const rendered = getContext<RenderedReportSource | undefined>(
+		RENDERED_REPORT_CONTEXT_KEY,
+	);
+
+	const reportLoaded = $derived(
+		rendered?.report !== null && rendered?.report !== undefined,
+	);
+	const battles = $derived<ReportBattle[]>(rendered?.report?.battles ?? []);
+	const planets = $derived<ReportPlanet[]>(rendered?.report?.planets ?? []);
+	const turn = $derived<number>(rendered?.report?.turn ?? 0);
+
+	const sorted = $derived.by(() => {
+		const list = [...battles];
+		const dir = persistent.sortDirection === "asc" ? 1 : -1;
+		list.sort((a, b) => compare(a, b, persistent.sortColumn) * dir);
+		return list;
+	});
+
+	function compare(
+		a: ReportBattle,
+		b: ReportBattle,
+		column: SortColumn,
+	): number {
+		switch (column) {
+			case "planet":
+				return a.planet - b.planet;
+			case "shots":
+				return a.shots - b.shots;
+		}
+	}
+
+	function toggleSort(column: SortColumn): void {
+		if (persistent.sortColumn === column) {
+			persistent.sortDirection =
+				persistent.sortDirection === "asc" ? "desc" : "asc";
+			return;
+		}
+		persistent.sortColumn = column;
+		// shots is most-interesting-largest-first; planet is naturally
+		// ascending by number.
+		persistent.sortDirection = column === "shots" ? "desc" : "asc";
+	}
+
+	function ariaSort(column: SortColumn): "ascending" | "descending" | "none" {
+		if (persistent.sortColumn !== column) return "none";
+		return persistent.sortDirection === "asc" ? "ascending" : "descending";
+	}
+
+	function openBattle(b: ReportBattle): void {
+		activeView.select("battle", { battleId: b.id, turn });
+	}
+</script>
+
+<section
+	class="active-view"
+	data-testid="active-view-table"
+	data-entity="battles"
+>
+	<header>
+		<h2>{i18n.t("game.table.battles.title")}</h2>
+	</header>
+
+	{#if !reportLoaded}
+		<ViewState
+			kind="loading"
+			testid="battles-loading"
+			message={i18n.t("game.table.battles.loading")}
+		/>
+	{:else if battles.length === 0}
+		<ViewState
+			kind="empty"
+			testid="battles-empty"
+			message={i18n.t("game.table.battles.empty")}
+		/>
+	{:else}
+		<table class="grid" data-testid="battles-table">
+			<thead>
+				<tr>
+					{#each COLUMNS as column (column)}
+						<th
+							aria-sort={ariaSort(column)}
+							class:numeric={column === "shots"}
+						>
+							<button
+								type="button"
+								class="sort"
+								data-testid="battles-column-{column}"
+								onclick={() => toggleSort(column)}
+							>
+								{i18n.t(COLUMN_LABELS[column])}
+								{#if persistent.sortColumn === column}
+									<span class="sort-indicator" aria-hidden="true">
+										{persistent.sortDirection === "asc" ? "▲" : "▼"}
+									</span>
+								{/if}
+							</button>
+						</th>
+					{/each}
+				</tr>
+			</thead>
+			<tbody>
+				{#each sorted as b (b.id)}
+					<tr
+						data-testid="battles-row"
+						data-id={b.id}
+						onclick={() => openBattle(b)}
+					>
+						<td data-testid="battles-cell-planet">
+							{planetLabel(b.planet, planets)}
+						</td>
+						<td class="numeric" data-testid="battles-cell-shots">
+							{formatInt(b.shots)}
+						</td>
+					</tr>
+				{/each}
+			</tbody>
+		</table>
+	{/if}
+</section>
+
+<style>
+	.active-view {
+		padding: 1.5rem;
+		font-family: system-ui, sans-serif;
+		display: flex;
+		flex-direction: column;
+		gap: 1rem;
+	}
+	header {
+		display: flex;
+		flex-direction: column;
+		gap: 0.5rem;
+	}
+	header h2 {
+		margin: 0;
+		font-size: 1.1rem;
+	}
+	.grid {
+		border-collapse: collapse;
+		width: 100%;
+		font-variant-numeric: tabular-nums;
+	}
+	.grid th,
+	.grid td {
+		padding: 0.4rem 0.6rem;
+		text-align: left;
+		border-bottom: 1px solid var(--color-border-subtle);
+		font-size: 0.85rem;
+	}
+	.grid th {
+		color: var(--color-text-muted);
+		text-transform: uppercase;
+		letter-spacing: 0.04em;
+		font-size: 0.75rem;
+	}
+	.grid th.numeric,
+	.grid td.numeric {
+		font-family: var(--font-mono);
+		text-align: right;
+	}
+	.grid th.numeric .sort {
+		justify-content: flex-end;
+	}
+	.grid tbody tr {
+		cursor: pointer;
+	}
+	.grid tbody tr:hover {
+		background: var(--color-surface);
+	}
+	.sort {
+		font: inherit;
+		font-size: inherit;
+		text-transform: inherit;
+		letter-spacing: inherit;
+		color: inherit;
+		background: transparent;
+		border: none;
+		padding: 0;
+		cursor: pointer;
+		display: inline-flex;
+		gap: 0.3rem;
+		align-items: baseline;
+	}
+	.sort-indicator {
+		font-size: 0.7em;
+	}
+</style>
diff --git a/ui/frontend/src/lib/active-view/table.svelte b/ui/frontend/src/lib/active-view/table.svelte
index fe8a1ba..f862b1a 100644
--- a/ui/frontend/src/lib/active-view/table.svelte
+++ b/ui/frontend/src/lib/active-view/table.svelte
@@ -14,6 +14,7 @@ e2e specs (`game-shell.spec.ts`, `view-menu`) keep matching.
 	import TableFleets from "./table-fleets.svelte";
 	import TableSciences from "./table-sciences.svelte";
 	import TableRaces from "./table-races.svelte";
+	import TableBattles from "./table-battles.svelte";
 
 	type Props = { entity: string };
 	let { entity }: Props = $props();
@@ -36,6 +37,8 @@ e2e specs (`game-shell.spec.ts`, `view-menu`) keep matching.
 	<TableSciences />
 {:else if entity === "races"}
 	<TableRaces />
+{:else if entity === "battles"}
+	<TableBattles />
 {:else}
 	<section
 		class="active-view"
diff --git a/ui/frontend/src/lib/header/view-menu.svelte b/ui/frontend/src/lib/header/view-menu.svelte
index 86ee032..5d39baf 100644
--- a/ui/frontend/src/lib/header/view-menu.svelte
+++ b/ui/frontend/src/lib/header/view-menu.svelte
@@ -5,12 +5,13 @@ hamburger (☰) at the 1024 px breakpoint via CSS only; the surface
 itself is identical. The same component is reused for the mobile
 "More" drawer entry of `bottom-tabs.svelte`.
 
-Lists the seven IA destinations: map, tables (sub-list of six
-entities), report, battle, mail, ship-class designer, science
-designer. Each entry mutates `activeView` (the single-URL app-shell
-has no per-view routes) and closes the menu. Closes on Escape, on
-outside click, and after a selection. Phase 26 introduces the
-history-mode entry; microcopy is refined in a later polish pass.
+Lists the IA destinations: map, tables (sub-list of seven entities
+including the battles roll-up that replaces the standalone battle-log
+shortcut), report, mail, science designer. Each entry mutates
+`activeView` (the single-URL app-shell has no per-view routes) and
+closes the menu. Closes on Escape, on outside click, and after a
+selection. Phase 26 introduces the history-mode entry; microcopy is
+refined in a later polish pass.
 -->
 <script lang="ts">
 	import { onMount } from "svelte";
@@ -31,6 +32,7 @@ history-mode entry; microcopy is refined in a later polish pass.
 		{ slug: "fleets", key: "game.view.table.fleets" },
 		{ slug: "sciences", key: "game.view.table.sciences" },
 		{ slug: "races", key: "game.view.table.races" },
+		{ slug: "battles", key: "game.view.table.battles" },
 	];
 
 	function toggleOpen(): void {
@@ -120,14 +122,6 @@ history-mode entry; microcopy is refined in a later polish pass.
 			>
 				{i18n.t("game.view.report")}
 			</button>
-			<button
-				type="button"
-				role="menuitem"
-				data-testid="view-menu-item-battle"
-				onclick={() => select("battle")}
-			>
-				{i18n.t("game.view.battle")}
-			</button>
 			<button
 				type="button"
 				role="menuitem"
diff --git a/ui/frontend/src/lib/i18n/locales/en.ts b/ui/frontend/src/lib/i18n/locales/en.ts
index 8e406b2..1f33073 100644
--- a/ui/frontend/src/lib/i18n/locales/en.ts
+++ b/ui/frontend/src/lib/i18n/locales/en.ts
@@ -183,8 +183,8 @@ const en = {
 	"game.view.table.fleets": "fleets",
 	"game.view.table.sciences": "sciences",
 	"game.view.table.races": "races",
+	"game.view.table.battles": "battles",
 	"game.view.report": "turn report",
-	"game.view.battle": "battle log",
 	"game.view.mail": "diplomatic mail",
 	"game.view.mail.badge": "{count}",
 	"game.events.mail_new.message": "new mail from {from}",
@@ -377,6 +377,11 @@ const en = {
 	"game.table.fleets.column.speed": "speed",
 	"game.table.fleets.filter.planet": "planet:",
 	"game.table.fleets.filter.planet.all": "all planets",
+	"game.table.battles.title": "battles",
+	"game.table.battles.loading": "loading battles…",
+	"game.table.battles.empty": "no battles this turn",
+	"game.table.battles.column.planet": "planet",
+	"game.table.battles.column.shots": "shots",
 	"game.table.ship_classes.title": "ship classes",
 	"game.table.ship_classes.column.name": "name",
 	"game.table.ship_classes.column.drive": "drive",
diff --git a/ui/frontend/src/lib/i18n/locales/ru.ts b/ui/frontend/src/lib/i18n/locales/ru.ts
index 23110cf..d4c1ce9 100644
--- a/ui/frontend/src/lib/i18n/locales/ru.ts
+++ b/ui/frontend/src/lib/i18n/locales/ru.ts
@@ -184,8 +184,8 @@ const ru: Record<keyof typeof en, string> = {
 	"game.view.table.fleets": "флоты",
 	"game.view.table.sciences": "науки",
 	"game.view.table.races": "расы",
+	"game.view.table.battles": "сражения",
 	"game.view.report": "отчёт хода",
-	"game.view.battle": "журнал боёв",
 	"game.view.mail": "дипломатическая почта",
 	"game.view.mail.badge": "{count}",
 	"game.events.mail_new.message": "новое письмо от {from}",
@@ -378,6 +378,11 @@ const ru: Record<keyof typeof en, string> = {
 	"game.table.fleets.column.speed": "скорость",
 	"game.table.fleets.filter.planet": "планета:",
 	"game.table.fleets.filter.planet.all": "все планеты",
+	"game.table.battles.title": "сражения",
+	"game.table.battles.loading": "загрузка сражений…",
+	"game.table.battles.empty": "в этом ходе сражений нет",
+	"game.table.battles.column.planet": "планета",
+	"game.table.battles.column.shots": "выстрелы",
 	"game.table.ship_classes.title": "классы кораблей",
 	"game.table.ship_classes.column.name": "название",
 	"game.table.ship_classes.column.drive": "двигатель",
diff --git a/ui/frontend/src/lib/sidebar/bottom-tabs.svelte b/ui/frontend/src/lib/sidebar/bottom-tabs.svelte
index 9f3c733..6a4f929 100644
--- a/ui/frontend/src/lib/sidebar/bottom-tabs.svelte
+++ b/ui/frontend/src/lib/sidebar/bottom-tabs.svelte
@@ -8,10 +8,12 @@ or the header view-menu naturally drops the overlay.
 
 More opens a drawer with the same destination list as the header
 view-menu, each entry mutating `activeView` directly (the single-URL
-app-shell has no per-view routes). A later polish pass narrows it to
-the IA-spec subset (Mail, Battle log, Tables, History, Settings,
-Logout) once History exists; until then the convenience of one source
-of truth for destinations beats the duplication.
+app-shell has no per-view routes). The Tables sub-list includes the
+battles roll-up (F8-11) that replaces the standalone Battle log entry;
+the single battle viewer is still reachable by clicking a row. A later
+polish pass narrows it to the IA-spec subset (Mail, Tables, History,
+Settings, Logout) once History exists; until then the convenience of
+one source of truth for destinations beats the duplication.
 -->
 <script lang="ts">
 	import { onMount } from "svelte";
@@ -41,6 +43,7 @@ of truth for destinations beats the duplication.
 		{ slug: "fleets", key: "game.view.table.fleets" },
 		{ slug: "sciences", key: "game.view.table.sciences" },
 		{ slug: "races", key: "game.view.table.races" },
+		{ slug: "battles", key: "game.view.table.battles" },
 	];
 
 	function selectTool(tool: MobileTool): void {
@@ -170,14 +173,6 @@ of truth for destinations beats the duplication.
 			>
 				{i18n.t("game.view.report")}
 			</button>
-			<button
-				type="button"
-				role="menuitem"
-				data-testid="bottom-tabs-more-battle"
-				onclick={() => go("battle")}
-			>
-				{i18n.t("game.view.battle")}
-			</button>
 			<button
 				type="button"
 				role="menuitem"
diff --git a/ui/frontend/tests/e2e/game-shell.spec.ts b/ui/frontend/tests/e2e/game-shell.spec.ts
index ec29a1b..ac90797 100644
--- a/ui/frontend/tests/e2e/game-shell.spec.ts
+++ b/ui/frontend/tests/e2e/game-shell.spec.ts
@@ -63,7 +63,6 @@ test("header view-menu navigates to every active view", async ({ page }) => {
 	const destinations: Array<[string, string]> = [
 		["view-menu-item-report", "active-view-report"],
 		["view-menu-item-mail", "active-view-mail"],
-		["view-menu-item-battle", "active-view-battle"],
 		["view-menu-item-designer-science", "active-view-designer-science"],
 		["view-menu-item-map", "active-view-map"],
 	];
@@ -86,6 +85,7 @@ test("header view-menu Tables sub-list navigates to every entity", async ({
 		"fleets",
 		"sciences",
 		"races",
+		"battles",
 	];
 	for (const entity of entities) {
 		await page.getByTestId("view-menu-trigger").click();
diff --git a/ui/frontend/tests/game-shell-header.test.ts b/ui/frontend/tests/game-shell-header.test.ts
index cc2a0df..9a1169c 100644
--- a/ui/frontend/tests/game-shell-header.test.ts
+++ b/ui/frontend/tests/game-shell-header.test.ts
@@ -147,7 +147,6 @@ describe("game-shell header", () => {
 		const destinations: Array<[string, string]> = [
 			["view-menu-item-map", "map"],
 			["view-menu-item-report", "report"],
-			["view-menu-item-battle", "battle"],
 			["view-menu-item-mail", "mail"],
 			["view-menu-item-designer-science", "designer-science"],
 		];
@@ -170,6 +169,7 @@ describe("game-shell header", () => {
 			["view-menu-item-table-fleets", "fleets"],
 			["view-menu-item-table-sciences", "sciences"],
 			["view-menu-item-table-races", "races"],
+			["view-menu-item-table-battles", "battles"],
 		];
 		for (const [testId, entity] of tableEntities) {
 			await fireEvent.click(ui.getByTestId("view-menu-trigger"));
diff --git a/ui/frontend/tests/table-battles.test.ts b/ui/frontend/tests/table-battles.test.ts
new file mode 100644
index 0000000..9dccd59
--- /dev/null
+++ b/ui/frontend/tests/table-battles.test.ts
@@ -0,0 +1,237 @@
+// Vitest coverage for the F8-11 battles table active view. The
+// component renders against a synthetic `RenderedReportSource` (no
+// live `GameStateStore`); no draft / selection plumbing is needed
+// because the row click only mutates `activeView` (no overlay or
+// selection state). The module-level rune `battlesTableState` is
+// reset in `beforeEach` so cases stay independent.
+
+import "@testing-library/jest-dom/vitest";
+import { fireEvent, render } from "@testing-library/svelte";
+import { afterEach, beforeEach, describe, expect, test, vi } from "vitest";
+
+import { i18n } from "../src/lib/i18n/index.svelte";
+import type {
+	GameReport,
+	ReportBattle,
+	ReportPlanet,
+} from "../src/api/game-state";
+import { RENDERED_REPORT_CONTEXT_KEY } from "../src/lib/rendered-report.svelte";
+import { activeView } from "../src/lib/app-nav.svelte";
+import { resetBattlesTableState } from "../src/lib/active-view/table-battles-state.svelte";
+import { EMPTY_SHIP_GROUPS } from "./helpers/empty-ship-groups";
+
+const pageMock = vi.hoisted(() => ({
+	url: new URL("http://localhost/games/g1/table/battles"),
+	params: { id: "g1" } as Record<string, string>,
+}));
+
+const gotoMock = vi.hoisted(() => vi.fn());
+
+vi.mock("$app/state", () => ({
+	page: pageMock,
+}));
+
+vi.mock("$app/navigation", () => ({
+	goto: gotoMock,
+	pushState: vi.fn(),
+	replaceState: vi.fn(),
+}));
+
+import TableBattles from "../src/lib/active-view/table-battles.svelte";
+
+beforeEach(() => {
+	i18n.resetForTests("en");
+	pageMock.params = { id: "g1" };
+	gotoMock.mockClear();
+	activeView.reset();
+	resetBattlesTableState();
+});
+
+afterEach(() => {
+	activeView.reset();
+});
+
+function planet(num: number, name = `P${num}`): ReportPlanet {
+	return {
+		number: num,
+		name,
+		x: 0,
+		y: 0,
+		kind: "local",
+		owner: null,
+		size: null,
+		resources: null,
+		industryStockpile: null,
+		materialsStockpile: null,
+		industry: null,
+		population: null,
+		colonists: null,
+		production: null,
+		freeIndustry: null,
+	};
+}
+
+function battle(
+	overrides: Partial<ReportBattle> & Pick<ReportBattle, "id">,
+): ReportBattle {
+	return {
+		planet: 0,
+		shots: 0,
+		...overrides,
+	};
+}
+
+function makeReport(opts: {
+	turn?: number;
+	planets?: ReportPlanet[];
+	battles?: ReportBattle[];
+}): GameReport {
+	const battles = opts.battles ?? [];
+	return {
+		turn: opts.turn ?? 1,
+		mapWidth: 1000,
+		mapHeight: 1000,
+		planetCount: opts.planets?.length ?? 0,
+		planets: opts.planets ?? [],
+		race: "Me",
+		localShipClass: [],
+		routes: [],
+		localPlayerDrive: 0,
+		localPlayerWeapons: 0,
+		localPlayerShields: 0,
+		localPlayerCargo: 0,
+		...EMPTY_SHIP_GROUPS,
+		battles,
+		battleIds: battles.map((b) => b.id),
+	};
+}
+
+function mount(report: GameReport | null) {
+	const renderedReport = {
+		get report() {
+			return report;
+		},
+	};
+	const context = new Map<unknown, unknown>([
+		[RENDERED_REPORT_CONTEXT_KEY, renderedReport],
+	]);
+	return render(TableBattles, { context });
+}
+
+describe("battles table", () => {
+	test("renders a loading placeholder before the report lands", () => {
+		const ui = mount(null);
+		expect(ui.getByTestId("battles-loading")).toBeInTheDocument();
+	});
+
+	test("renders an empty placeholder when no battles exist", () => {
+		const ui = mount(makeReport({ planets: [planet(1)] }));
+		expect(ui.getByTestId("battles-empty")).toBeInTheDocument();
+	});
+
+	test("renders one row per battle with planet label and shots", () => {
+		const ui = mount(
+			makeReport({
+				planets: [planet(7, "Avalon"), planet(11, "")],
+				battles: [
+					battle({ id: "b1", planet: 7, shots: 3 }),
+					battle({ id: "b2", planet: 11, shots: 25 }),
+					battle({ id: "b3", planet: 99, shots: 1 }),
+				],
+			}),
+		);
+		const rows = ui.getAllByTestId("battles-row");
+		expect(rows).toHaveLength(3);
+		const labelById = new Map<string, string>();
+		const shotsById = new Map<string, string>();
+		for (const row of rows) {
+			const id = row.getAttribute("data-id")!;
+			labelById.set(
+				id,
+				row.querySelector("[data-testid='battles-cell-planet']")!
+					.textContent!.trim(),
+			);
+			shotsById.set(
+				id,
+				row.querySelector("[data-testid='battles-cell-shots']")!
+					.textContent!.trim(),
+			);
+		}
+		// Known planet with a name → "#N (name)"; known planet with
+		// empty name and unknown planet → "#N".
+		expect(labelById.get("b1")).toBe("#7 (Avalon)");
+		expect(labelById.get("b2")).toBe("#11");
+		expect(labelById.get("b3")).toBe("#99");
+		expect(shotsById.get("b1")).toBe("3");
+		expect(shotsById.get("b2")).toBe("25");
+		expect(shotsById.get("b3")).toBe("1");
+	});
+
+	test("default sort is shots descending", () => {
+		const ui = mount(
+			makeReport({
+				planets: [planet(1), planet(2), planet(3)],
+				battles: [
+					battle({ id: "b1", planet: 1, shots: 5 }),
+					battle({ id: "b2", planet: 2, shots: 99 }),
+					battle({ id: "b3", planet: 3, shots: 12 }),
+				],
+			}),
+		);
+		const ids = ui
+			.getAllByTestId("battles-row")
+			.map((r) => r.getAttribute("data-id"));
+		expect(ids).toEqual(["b2", "b3", "b1"]);
+	});
+
+	test("clicking the active shots header flips the direction", async () => {
+		const ui = mount(
+			makeReport({
+				planets: [planet(1), planet(2)],
+				battles: [
+					battle({ id: "b1", planet: 1, shots: 5 }),
+					battle({ id: "b2", planet: 2, shots: 99 }),
+				],
+			}),
+		);
+		await fireEvent.click(ui.getByTestId("battles-column-shots"));
+		const ids = ui
+			.getAllByTestId("battles-row")
+			.map((r) => r.getAttribute("data-id"));
+		expect(ids).toEqual(["b1", "b2"]);
+	});
+
+	test("clicking the planet header sorts ascending by planet number", async () => {
+		const ui = mount(
+			makeReport({
+				planets: [planet(1), planet(2), planet(3)],
+				battles: [
+					battle({ id: "b1", planet: 3, shots: 5 }),
+					battle({ id: "b2", planet: 1, shots: 99 }),
+					battle({ id: "b3", planet: 2, shots: 12 }),
+				],
+			}),
+		);
+		await fireEvent.click(ui.getByTestId("battles-column-planet"));
+		const ids = ui
+			.getAllByTestId("battles-row")
+			.map((r) => r.getAttribute("data-id"));
+		expect(ids).toEqual(["b2", "b3", "b1"]);
+	});
+
+	test("clicking a row opens the battle viewer with the matching id and turn", async () => {
+		const ui = mount(
+			makeReport({
+				turn: 42,
+				planets: [planet(1)],
+				battles: [battle({ id: "battle-uuid", planet: 1, shots: 4 })],
+			}),
+		);
+		await fireEvent.click(ui.getByTestId("battles-row"));
+		expect(activeView.state).toMatchObject({
+			view: "battle",
+			battleId: "battle-uuid",
+			turn: 42,
+		});
+	});
+});