Wiki Cross-Linker — Strengthen the Knowledge Graph

After wiki-ingest, recently-created pages may be mentioned as plain text in older pages. This skill scans the wiki, finds plain-text mentions of existing page titles, and converts them to [[wikilinks]].

Pre-flight

1. Read .obsidian-wiki.config for OBSIDIAN_WIKI_VAULT_PATH (defaults wiki/). If only legacy .env exists, instruct user to run /wiki-setup to migrate.
2. If wiki/ doesn't exist or contains no .md files under the type subdirectories (wiki/{entities,concepts,references,skills,synthesis,journal}/*.md directory scan returns empty), exit and tell user to run /wiki-setup then /wiki-ingest.

STEP 1 — Build the link inventory

Glob wiki/{entities,concepts,references,skills,synthesis,journal}/*.md (directory scan — do NOT rely on wiki/index.md, which is a stale snapshot after Path 2). For each file, gather:

• Filename slug (canonical wikilink target — derived from the file's basename without .md)
• Frontmatter title: (display alias; fallback to filename slug if title: is missing or empty)
• Common variants (e.g., "qlib" / "Qlib" / "QLib"; capture all from page bodies)

Build an inventory: {search_phrase → canonical_wikilink}.