feat(app): add environment import/export and sidebar footer info

- add environment import/export API endpoints and client integration

- add environment export actions and toolbar import/export buttons in UI

- move theme switcher to sidebar bottom and show root package version

- switch snippet card menu icon to cog for consistent options affordance

client/src/App.module.css

@@ -30,6 +30,28 @@
   padding: var(--space-2) 0;
 }
 
+.sideContent {
+  display: flex;
+  flex-direction: column;
+  min-height: 100%;
+}
+
+.sideFooter {
+  margin-top: auto;
+  padding: var(--space-3) var(--space-2) var(--space-2);
+  border-top: var(--border-width) solid var(--color-border);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--space-2);
+}
+
+.version {
+  color: var(--color-text-muted);
+  font-size: var(--font-size-xs);
+  white-space: nowrap;
+}
+
 .navItem {
   display: flex;
   align-items: center;

client/src/App.tsx

@@ -47,25 +47,31 @@ export default function App() {
         header={
           <div className={styles.header}>
             <img src={liqaLogo} alt="Liqa" className={styles.brand} />
-            <ThemeSwitcher />
           </div>
         }
         width={220}
       >
-        <nav className={styles.nav}>
-          {NAV.map(({ path, labelKey, Icon }) => (
-            <NavLink
-              key={path}
-              to={path}
-              className={({ isActive }) =>
-                [styles.navItem, isActive ? styles.navItemActive : ''].filter(Boolean).join(' ')
-              }
-            >
-              <Icon size={16} className={styles.navIcon} aria-hidden="true" />
-              {t(labelKey)}
-            </NavLink>
-          ))}
-        </nav>
+        <div className={styles.sideContent}>
+          <nav className={styles.nav}>
+            {NAV.map(({ path, labelKey, Icon }) => (
+              <NavLink
+                key={path}
+                to={path}
+                className={({ isActive }) =>
+                  [styles.navItem, isActive ? styles.navItemActive : ''].filter(Boolean).join(' ')
+                }
+              >
+                <Icon size={16} className={styles.navIcon} aria-hidden="true" />
+                {t(labelKey)}
+              </NavLink>
+            ))}
+          </nav>
+
+          <div className={styles.sideFooter}>
+            <ThemeSwitcher />
+            <div className={styles.version}>v{__APP_VERSION__}</div>
+          </div>
+        </div>
       </SidePanel>
 
       <main className={styles.main}>

client/src/api/client.ts

@@ -133,6 +133,15 @@ export const environments = {
   remove(id: string): Promise<void> {
     return request(`/environments/${id}`, { method: 'DELETE' });
   },
+  exportEnvironment(id: string): Promise<unknown> {
+    return request(`/environments/${id}/export`);
+  },
+  importEnvironment(payload: unknown): Promise<Environment> {
+    return request('/environments/import', {
+      method: 'POST',
+      body: JSON.stringify(payload),
+    });
+  },
 };
 
 // ── Sessions ──────────────────────────────────────────────────────────────────

client/src/declarations.d.ts

@@ -6,3 +6,5 @@ declare module '*.css' {
 interface ImportMetaEnv {
   readonly VITE_API_URL?: string;
 }
+
+declare const __APP_VERSION__: string;

client/src/i18n/locales/en.json

@@ -31,6 +31,8 @@
     "action_delete": "Delete",
     "action_add": "Add environment",
     "action_edit": "Edit",
+    "action_export": "Export",
+    "action_import": "Import",
     "action_save": "Create",
     "action_update": "Save",
     "action_cancel": "Cancel",

client/src/pages/environment/EnvironmentDetailPage.tsx

@@ -1,7 +1,8 @@
 import { useEffect, useState } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
-import { Pencil, Trash2, Globe } from 'lucide-react';
+import { Upload, Pencil, Trash2, Globe } from 'lucide-react';
+import { stringify as yamlStringify } from 'yaml';
 import { environments } from '../../api';
 import type { Environment } from '../../api';
 import { Breadcrumbs, Button, Card, DescriptionList, Notification, Timestamp, UuidBadge } from '../../ui';
@@ -30,6 +31,18 @@ export function EnvironmentDetailPage() {
     navigate('/environments');
   };
 
+  const handleExport = async () => {
+    if (!env) return;
+    const data = await environments.exportEnvironment(env.id);
+    const blob = new Blob([yamlStringify(data)], { type: 'application/yaml' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `environment-${env.name}.yaml`;
+    a.click();
+    URL.revokeObjectURL(url);
+  };
+
   return (
     <div>
       <div className={styles.pageToolbar}>
@@ -41,6 +54,10 @@ export function EnvironmentDetailPage() {
         />
         {env && (
           <div className={styles.toolbarActions}>
+            <Button variant="secondary" size="sm" onClick={handleExport}>
+              <Upload size={14} />
+              {t('environments.action_export')}
+            </Button>
             <Button
               variant="secondary"
               size="sm"

client/src/pages/environment/EnvironmentsPage.tsx

@@ -1,7 +1,9 @@
-import { useEffect, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
-import { Settings, ExternalLink, Pencil, Trash2, Plus, Globe } from 'lucide-react';
+import { Settings, ExternalLink, Pencil, Trash2, Plus, Globe, Download } from 'lucide-react';
+import { parse as yamlParse } from 'yaml';
+import { stringify as yamlStringify } from 'yaml';
 import { environments } from '../../api';
 import type { Environment } from '../../api';
 import {
@@ -20,6 +22,17 @@ function EnvironmentCard({ env, onDelete }: { env: Environment; onDelete: (id: s
   const navigate = useNavigate();
   const urlEntries = Object.entries(env.urls).filter(([, v]) => v);
 
+  const handleExport = async () => {
+    const data = await environments.exportEnvironment(env.id);
+    const blob = new Blob([yamlStringify(data)], { type: 'application/yaml' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = `environment-${env.name}.yaml`;
+    a.click();
+    URL.revokeObjectURL(url);
+  };
+
   const header = (
     <div className={styles.envCardHeader}>
       <span className={styles.envCardName}>{env.name}</span>
@@ -42,6 +55,11 @@ function EnvironmentCard({ env, onDelete }: { env: Environment; onDelete: (id: s
               icon: <Pencil size={14} />,
               onClick: () => navigate(`/environments/${env.id}/edit`),
             },
+            {
+              label: t('environments.action_export'),
+              icon: <Download size={14} />,
+              onClick: () => void handleExport(),
+            },
             {
               label: t('environments.action_delete'),
               icon: <Trash2 size={14} />,
@@ -98,9 +116,11 @@ function AddEnvironmentCard() {
 
 export function EnvironmentsPage() {
   const { t } = useTranslation();
+  const navigate = useNavigate();
   const [items, setItems] = useState<Environment[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
 
   const load = () => {
     environments
@@ -119,10 +139,37 @@ export function EnvironmentsPage() {
     setItems((prev) => prev.filter((e) => e.id !== id));
   };
 
+  const handleImport = async (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (!file) return;
+    e.target.value = '';
+    try {
+      const text = await file.text();
+      const payload = yamlParse(text) as unknown;
+      const imported = await environments.importEnvironment(payload);
+      navigate(`/environments/${imported.id}`);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+    }
+  };
+
   return (
     <div>
       <div className={styles.pageToolbar}>
         <Breadcrumbs items={[{ label: t('environments.title'), icon: <Globe size={14} /> }]} />
+        <div className={styles.toolbarActions}>
+          <input
+            ref={fileInputRef}
+            type="file"
+            accept=".yaml,.yml,.json"
+            style={{ display: 'none' }}
+            onChange={handleImport}
+          />
+          <Button variant="secondary" size="sm" onClick={() => fileInputRef.current?.click()}>
+            <Download size={14} />
+            {t('environments.action_import')}
+          </Button>
+        </div>
       </div>
       {error && <p className={styles.error}>{error}</p>}
       {loading ? (

client/src/pages/snippet/SnippetsPage.tsx

@@ -1,7 +1,7 @@
 import { useEffect, useRef, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
-import { Code, Pencil, Trash2, Plus, Download, Braces } from 'lucide-react';
+import { Settings, Pencil, Trash2, Plus, Download, Braces } from 'lucide-react';
 import { parse as yamlParse } from 'yaml';
 import { snippets } from '../../api';
 import type { Snippet } from '../../api';
@@ -20,7 +20,7 @@ function SnippetCard({ snippet, onDelete }: { snippet: Snippet; onDelete: (id: s
           align="right"
           trigger={
             <Button variant="ghost" size="sm" aria-label={t('snippets.menu_label')}>
-              <Code size={14} />
+              <Settings size={14} />
             </Button>
           }
           items={[

client/vite.config.ts

@@ -1,14 +1,29 @@
 /// <reference types="vitest/config" />
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
+import fs from 'node:fs';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { storybookTest } from '@storybook/addon-vitest/vitest-plugin';
 import { playwright } from '@vitest/browser-playwright';
 const dirname = typeof __dirname !== 'undefined' ? __dirname : path.dirname(fileURLToPath(import.meta.url));
+const rootPackageJsonPath = path.resolve(dirname, '../package.json');
+const APP_VERSION = (() => {
+  try {
+    const json = JSON.parse(fs.readFileSync(rootPackageJsonPath, 'utf8')) as {
+      version?: string;
+    };
+    return json.version ?? 'dev';
+  } catch {
+    return 'dev';
+  }
+})();
 
 // More info at: https://storybook.js.org/docs/next/writing-tests/integrations/vitest-addon
 export default defineConfig({
+  define: {
+    __APP_VERSION__: JSON.stringify(APP_VERSION),
+  },
   plugins: [react()],
   server: {
     proxy: {

server/package.json

@@ -1,5 +1,6 @@
 {
   "name": "liqa-server",
+  "version": "1.0.0",
   "main": "index.js",
   "scripts": {
     "build": "nest build",

server/src/environment/dto/environment-export.dto.ts

@@ -0,0 +1,31 @@
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import {
+  IsIn,
+  IsNotEmpty,
+  IsObject,
+  IsOptional,
+  IsString,
+  IsUUID,
+} from "class-validator";
+import { EnvironmentUrls } from "../environment.entity";
+
+export class EnvironmentExportDto {
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsIn(["environment"])
+  kind?: "environment";
+
+  @ApiPropertyOptional()
+  @IsOptional()
+  @IsUUID()
+  id?: string;
+
+  @ApiProperty()
+  @IsString()
+  @IsNotEmpty()
+  name: string;
+
+  @ApiProperty()
+  @IsObject()
+  urls: EnvironmentUrls;
+}

server/src/environment/environment.controller.ts

@@ -14,6 +14,7 @@ import { ApiOperation, ApiResponse, ApiTags } from "@nestjs/swagger";
 import { EnvironmentService } from "./environment.service";
 import { CreateEnvironmentDto } from "./dto/create-environment.dto";
 import { UpdateEnvironmentDto } from "./dto/update-environment.dto";
+import { EnvironmentExportDto } from "./dto/environment-export.dto";
 import { PaginationQueryDto } from "../common/dto/pagination.dto";
 import { EnvironmentOrderBy } from "./environment.service";
 
@@ -30,6 +31,13 @@ export class EnvironmentController {
     return this.environmentService.create(dto);
   }
 
+  @Post("import")
+  @ApiOperation({ summary: "Import an environment (upsert by id or name)" })
+  @ApiResponse({ status: 201, description: "Environment imported" })
+  async importEnvironment(@Body() dto: EnvironmentExportDto) {
+    return this.environmentService.importEnvironment(dto);
+  }
+
   @Get()
   @ApiOperation({ summary: "List all environments (paginated)" })
   @ApiResponse({ status: 200, description: "Paginated environments" })
@@ -37,6 +45,15 @@ export class EnvironmentController {
     return this.environmentService.findAll(query);
   }
 
+  @Get(":id/export")
+  @ApiOperation({ summary: "Export an environment as a plain object" })
+  @ApiResponse({ status: 200, description: "Environment export payload" })
+  @ApiResponse({ status: 404, description: "Environment not found" })
+  async exportEnvironment(@Param("id", ParseUUIDPipe) id: string) {
+    const env = await this.environmentService.findOne(id);
+    return this.environmentService.exportEnvironment(env);
+  }
+
   @Get(":id")
   @ApiOperation({ summary: "Get environment by ID" })
   @ApiResponse({ status: 200, description: "Environment record" })

server/src/environment/environment.service.ts

@@ -8,6 +8,7 @@ import { Repository } from "typeorm";
 import { EnvironmentEntity } from "./environment.entity";
 import { CreateEnvironmentDto } from "./dto/create-environment.dto";
 import { UpdateEnvironmentDto } from "./dto/update-environment.dto";
+import { EnvironmentExportDto } from "./dto/environment-export.dto";
 import {
   PaginationQueryDto,
   PaginatedResult,
@@ -64,4 +65,32 @@ export class EnvironmentService {
     await this.findOne(id);
     await this.repo.delete(id);
   }
+
+  exportEnvironment(env: EnvironmentEntity): EnvironmentExportDto {
+    return {
+      kind: "environment",
+      id: env.id,
+      name: env.name,
+      urls: env.urls,
+    };
+  }
+
+  async importEnvironment(dto: EnvironmentExportDto): Promise<EnvironmentEntity> {
+    if (dto.id) {
+      const existing = await this.repo.findOneBy({ id: dto.id });
+      if (existing) {
+        Object.assign(existing, { name: dto.name, urls: dto.urls });
+        return this.repo.save(existing);
+      }
+      return this.repo.save(
+        this.repo.create({ id: dto.id, name: dto.name, urls: dto.urls }),
+      );
+    }
+    const byName = await this.repo.findOneBy({ name: dto.name });
+    if (byName) {
+      Object.assign(byName, { urls: dto.urls });
+      return this.repo.save(byName);
+    }
+    return this.repo.save(this.repo.create({ name: dto.name, urls: dto.urls }));
+  }
 }