feat(tasks): add test:hugo task for Hugo-only testing

- Add test:hugo for fast Hugo-only tests (no LikeC4)
- Update technical writer docs with new task

Taskfile.yml

@@ -59,6 +59,13 @@ tasks:
       - test:html
       - likec4:validate
 
+  test:hugo:
+    desc: Run Hugo-only tests (markdown, HTML, build)
+    deps:
+      - test:build
+      - test:markdown
+      - test:html
+
   test:full:
     desc: Run all tests including link check (may have errors in legacy content)
     deps:

doc/README-technical-writer.md

@@ -58,8 +58,11 @@ Your content here...
 ### 4. Test and Commit
 
 ```bash
-# Run tests
-task test:quick
+# Run tests (fastest - Hugo only)
+task test:hugo
+
+# Or run full tests (includes LikeC4 validation)
+task test
 
 # Commit your changes
 git add .
@@ -223,8 +226,9 @@ task --list
 | `task serve` | Start dev server with hot reload |
 | `task build` | Build production site |
 | `task clean` | Remove build artifacts |
-| `task test` | Run all tests (build, markdown, HTML, links) |
-| `task test:quick` | Run quick tests (build, markdown) |
+| `task test` | Run all tests (includes LikeC4) |
+| `task test:hugo` | Run Hugo-only tests (fastest) |
+| `task test:full` | All tests + link checking |
 
 ### LikeC4 Tasks