diff --git a/src/core/markdown.ts b/src/core/markdown.ts
index 18c9befae..28b8e5aee 100644
--- a/src/core/markdown.ts
+++ b/src/core/markdown.ts
@@ -168,6 +168,13 @@ function inferType(filePath?: string): PageType {
   if (lower.includes('/projects/') || lower.includes('/project/')) return 'project';
   if (lower.includes('/sources/') || lower.includes('/source/')) return 'source';
   if (lower.includes('/media/')) return 'media';
+  // Wiki subdirectory types — checked after generic types so /wiki/projects/ still
+  // resolves to 'project' via the generic rule above, but wiki-specific subtypes win.
+  if (lower.includes('/wiki/analysis/')) return 'analysis';
+  if (lower.includes('/wiki/guides/') || lower.includes('/wiki/guide/')) return 'guide';
+  if (lower.includes('/wiki/hardware/')) return 'hardware';
+  if (lower.includes('/wiki/architecture/')) return 'architecture';
+  if (lower.includes('/wiki/concepts/') || lower.includes('/wiki/concept/')) return 'concept';
   return 'concept';
 }
 
diff --git a/test/markdown.test.ts b/test/markdown.test.ts
index d80d02478..4318f14b1 100644
--- a/test/markdown.test.ts
+++ b/test/markdown.test.ts
@@ -267,4 +267,14 @@ Some content.`;
     expect(parseMarkdown('', 'concepts/thing.md').type).toBe('concept');
     expect(parseMarkdown('', 'companies/acme.md').type).toBe('company');
   });
+
+  test('infers type from wiki subdirectory paths', () => {
+    expect(parseMarkdown('', 'tech/wiki/concepts/longevity-science.md').type).toBe('concept');
+    expect(parseMarkdown('', 'tech/wiki/guides/team-os-claude-code.md').type).toBe('guide');
+    expect(parseMarkdown('', 'tech/wiki/analysis/agi-timeline-debate.md').type).toBe('analysis');
+    expect(parseMarkdown('', 'tech/wiki/hardware/h100-vs-gb200-training-benchmarks.md').type).toBe('hardware');
+    expect(parseMarkdown('', 'tech/wiki/architecture/kb-infrastructure.md').type).toBe('architecture');
+    expect(parseMarkdown('', 'finance/wiki/analysis/polymarket-bot-automation-thesis.md').type).toBe('analysis');
+    expect(parseMarkdown('', 'personal/wiki/concepts/career-regrets-2026-framework.md').type).toBe('concept');
+  });
 });