fix(tech): preserve h1 elements — do not strip first heading

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pipelines/tech/README.md

@@ -8,8 +8,7 @@ Publishes tech blog posts from `mikkeli/tech-blogs` to `https://wiki.novoyuuparo
 ## v1 scope
 
 - YAML frontmatter parsing per [SCHEMA.md](SCHEMA.md)
-- Pandoc-based markdown → wikitext body rendering
-- First-line h1 stripping
+- Pandoc-based markdown → wikitext body rendering (h1 elements preserved)
 - Auto-generated banner (`{{Auto-generated|source=...|commit=<sha>}}`)
 - Category injection: `[[Category:Tech blog]]` on every page; `[[Category:Blog:<year>]]` from `date` field; `[[Category:<tag>]]` per tag entry
 - No title prefix — pages live at their bare title

pipelines/tech/SCHEMA.md

@@ -60,15 +60,14 @@ tags:
 
 ## Body
 
-Plain markdown. The renderer strips the first-line `# Heading` if present (it duplicates the wiki page title), then passes the body through Pandoc.
+Plain markdown. The body is passed through Pandoc as-is — the first-line `# Heading` is not stripped, so you can use h1 elements freely.
 
 ## Renderer behaviour
 
 For each `.md` with `wiki.publish: true`:
 
 1. Parse and validate frontmatter.
-2. Strip the leading `# Heading` from the body if present.
-3. Pipe the body through `pandoc -f markdown -t mediawiki`.
+2. Pipe the body through `pandoc -f markdown -t mediawiki`.
 4. Prepend the auto-generated banner: `{{Auto-generated|source=<source URL>|commit=<sha>}}`.
 5. Append category tags: `[[Category:Tech blog]]`; `[[Category:Blog:<year>]]` if `date` is set; `[[Category:<tag>]]` for each tag.
 6. Read the current wiki page content; if identical, skip the write (idempotency).
@@ -78,8 +77,7 @@ For each `.md` with `wiki.publish: true`:
 ## Implemented scope
 
 - Frontmatter parsing and validation
-- Pandoc-based markdown → wikitext rendering
-- First-line h1 stripping
+- Pandoc-based markdown → wikitext rendering (h1 elements preserved)
 - Banner template injection
 - `Category:Tech blog` on every published page
 - `Category:Blog:<year>` from `date` field

pipelines/tech/publish.py

@@ -11,7 +11,7 @@ import frontmatter
 import mwclient
 
 sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))
-from lib.wiki import AUTO_BANNER_PREFIX, connect_wiki, markdown_to_wikitext, strip_first_h1
+from lib.wiki import AUTO_BANNER_PREFIX, connect_wiki, markdown_to_wikitext
 
 
 def validate(fm: dict, path: Path) -> None:
@@ -56,7 +56,7 @@ def publish_one(abs_path: Path, source_dir: Path, post, site: mwclient.Site, sou
     fm = post.metadata
     title = str(fm["title"])
 
-    body_wikitext = markdown_to_wikitext(strip_first_h1(post.content))
+    body_wikitext = markdown_to_wikitext(post.content)
     source_url = f"{gitea_repo_url}/src/commit/{source_ref}/{rel}"
     page_content = build_wikitext(fm, body_wikitext, source_url, source_ref)