fix: replace revalidate with cache force-cache for SSG compatibility

src/shared/api/client.ts

@@ -1,9 +1,16 @@
 import type { ListResponse } from './types';
 
-/**
+/*
  * Native fetch wrapper for PocketBase API requests.
  */
-const PB_URL = process.env.NEXT_PUBLIC_PB_URL || 'http://127.0.0.1:8090';
+
+const PB_URL =
+  process.env.NEXT_PUBLIC_PB_URL ||
+  (process.env.NODE_ENV === 'production'
+    ? (() => {
+        throw new Error('NEXT_PUBLIC_PB_URL is not set');
+      })()
+    : 'http://127.0.0.1:8090');
 
 /**
  * Options for PocketBase collection fetching.
@@ -21,46 +28,42 @@ export type PBFetchOptions = {
    * Fields to expand (e.g., "stack")
    */
   expand?: string;
-  /**
-   * Cache revalidation time in seconds
-   * @default 3600
-   */
-  revalidate?: number;
 };
 
 /**
  * Fetch a list of records from a PocketBase collection.
  */
 export async function getCollection<T>(collection: string, options: PBFetchOptions = {}): Promise<ListResponse<T>> {
-  const { sort, filter, expand, revalidate = 3600 } = options;
+  const { sort, filter, expand } = options;
 
   const params = new URLSearchParams();
-  if (sort) params.set('sort', sort);
-  if (filter) params.set('filter', filter);
-  if (expand) params.set('expand', expand);
+  if (sort) {
+    params.set('sort', sort);
+  }
+  if (filter) {
+    params.set('filter', filter);
+  }
+  if (expand) {
+    params.set('expand', expand);
+  }
 
   const url = `${PB_URL}/api/collections/${collection}/records?${params.toString()}`;
 
-  const res = await fetch(url, {
-    next: { revalidate },
-  });
+  /* force-cache deduplicates identical fetches during the static build phase;
+   * it has no runtime effect in `output: 'export'` mode. */
+  const res = await fetch(url, { cache: 'force-cache' });
 
   if (!res.ok) {
-    throw new Error(`Failed to fetch collection: ${collection}`);
+    throw new Error(`PocketBase ${res.status} ${res.statusText} on collection "${collection}"`);
   }
 
   return res.json();
 }
 
 /**
- * Fetch a single record from a PocketBase collection by ID or filter.
+ * Fetch the first record matching an optional filter from a PocketBase collection.
  */
 export async function getFirstRecord<T>(collection: string, options: PBFetchOptions = {}): Promise<T | null> {
-  const data = await getCollection<T>(collection, {
-    ...options,
-    // PocketBase convention for "first" or "singleton" patterns
-    filter: options.filter,
-  });
-
-  return data.items[0] || null;
+  const data = await getCollection<T>(collection, options);
+  return data.items[0] ?? null;
 }

src/widgets/BioSection/ui/BioSection/BioSection.tsx

@@ -0,0 +1,22 @@
+import type { PageContentRecord } from '$shared/api';
+import { getFirstRecord } from '$shared/api';
+
+/**
+ * Bio section component.
+ * Displays personal biography content from PocketBase.
+ */
+export default async function BioSection() {
+  const data = await getFirstRecord<PageContentRecord>('bio', {
+    filter: 'slug = "bio"',
+  });
+
+  if (!data) {
+    return <p>Loading bio content...</p>;
+  }
+
+  return (
+    <div className="prose prose-lg dark:prose-invert max-w-none">
+      <p>{data.content}</p>
+    </div>
+  );
+}

src/widgets/IntroSection/ui/IntroSection/IntroSection.tsx

@@ -0,0 +1,22 @@
+import type { PageContentRecord } from '$shared/api';
+import { getFirstRecord } from '$shared/api';
+
+/**
+ * Intro section component.
+ * Displays primary introduction content from PocketBase.
+ */
+export default async function IntroSection() {
+  const data = await getFirstRecord<PageContentRecord>('intro', {
+    filter: 'slug = "intro"',
+  });
+
+  if (!data) {
+    return <p>Loading intro content...</p>;
+  }
+
+  return (
+    <div className="prose prose-lg dark:prose-invert max-w-none">
+      <p>{data.content}</p>
+    </div>
+  );
+}

src/widgets/Navigation/ui/SidebarNav.test.tsx

@@ -1,7 +1,7 @@
-import { describe, it, expect, vi, beforeEach } from 'vitest';
 import { render, screen } from '@testing-library/react';
-import { SidebarNav } from './SidebarNav';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 import type { NavItem } from '../model/types';
+import { SidebarNav } from './SidebarNav';
 
 const ITEMS: NavItem[] = [
   { id: 'bio', label: 'Bio', number: '01' },
@@ -9,13 +9,11 @@ const ITEMS: NavItem[] = [
 ];
 
 beforeEach(() => {
-  global.IntersectionObserver = vi.fn(function () {
-    return {
-      observe: vi.fn(),
-      disconnect: vi.fn(),
-      unobserve: vi.fn(),
-    };
-  }) as unknown as typeof IntersectionObserver;
+  global.IntersectionObserver = class {
+    observe = vi.fn();
+    disconnect = vi.fn();
+    unobserve = vi.fn();
+  } as unknown as typeof IntersectionObserver;
 });
 
 describe('SidebarNav', () => {

src/widgets/SectionFactory/ui/SectionFactory/SectionFactory.tsx

@@ -0,0 +1,38 @@
+import { notFound } from 'next/navigation';
+
+/**
+ * Registry of dynamic section widgets.
+ */
+const SECTIONS: Record<string, () => Promise<{ default: React.ComponentType<Record<string, unknown>> }>> = {
+  intro: () => import('../../../IntroSection/ui/IntroSection/IntroSection'),
+  bio: () => import('../../../BioSection/ui/BioSection/BioSection'),
+  skills: () => import('../../../SkillsSection/ui/SkillsSection/SkillsSection'),
+  experience: () => import('../../../ExperienceSection/ui/ExperienceSection/ExperienceSection'),
+  projects: () => import('../../../ProjectsSection/ui/ProjectsSection/ProjectsSection'),
+};
+
+/**
+ * Props for the SectionFactory widget.
+ */
+export type SectionFactoryProps = {
+  /**
+   * Section slug to render
+   */
+  slug: string;
+};
+
+/**
+ * Factory widget that dynamically imports and renders the correct section widget.
+ * Based on the provided slug.
+ */
+export async function SectionFactory({ slug }: SectionFactoryProps) {
+  const loadSection = SECTIONS[slug];
+
+  if (!loadSection) {
+    notFound();
+  }
+
+  const { default: SectionComponent } = await loadSection();
+
+  return <SectionComponent />;
+}

src/widgets/SkillsSection/ui/SkillsSection/SkillsSection.tsx

@@ -0,0 +1,39 @@
+import type { SkillRecord } from '$shared/api';
+import { getCollection } from '$shared/api';
+import { Badge } from '$shared/ui';
+
+/**
+ * Skills section component.
+ * Displays technology skills grouped by category.
+ */
+export default async function SkillsSection() {
+  const data = await getCollection<SkillRecord>('skills', {
+    sort: 'category,order',
+  });
+
+  const categories = data.items.reduce(
+    (acc, skill) => {
+      if (!acc[skill.category]) {
+        acc[skill.category] = [];
+      }
+      acc[skill.category].push(skill);
+      return acc;
+    },
+    {} as Record<string, SkillRecord[]>,
+  );
+
+  return (
+    <div className="space-y-12">
+      {Object.entries(categories).map(([category, items]) => (
+        <div key={category} className="space-y-4">
+          <h3 className="text-xl font-bold uppercase tracking-widest opacity-50">{category}</h3>
+          <div className="flex flex-wrap gap-3">
+            {items.map((skill) => (
+              <Badge key={skill.id}>{skill.name}</Badge>
+            ))}
+          </div>
+        </div>
+      ))}
+    </div>
+  );
+}