Wiki Maintenance

Comprehensive wiki maintenance covering three domains: daily structural health, content updates, and structural reorganization.

Quick Reference

Task	Trigger	Section
Daily structural health	Watchdog cron / broken links	§1 Daily Structural Health
Add item to comparison	"Add X to pricing page"	§2 Comparison Page Updates
Move/rename pages	"Move wiki page"	§3 Page Relocation

Common Constraints

execute_code Blocked in Cron

execute_code is blocked in cron mode. Use patch() and terminal() (shell commands) instead.

Git Commit Conventions

cd ~/ai-topics && git add wiki/ && git commit -m "wiki: <summary>" && git push

Shell variable trap: If the commit message contains $ (e.g., $10/$50), use single quotes or escape: \$10/\$50.

Index.md Maintenance

• Section headers use filesystem count (including _index.md)
• Summary line Indexed entries: uses index entry count (all - [[...]] lines)
• Always verify both after any index modification
• Concepts section drifts the most — always check first

NEVER use write_file for log.md

write_file overwrites the entire file. log.md is append-only — always use terminal("cat >> wiki/log.md") or patch().

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1. Daily Structural Health (Watchdog)

When to Use

• Daily watchdog cron job (wiki_watchdog_fix_context.py) at 17:35 UTC
• User reports of broken links or index inconsistencies
• Any task involving wiki structure health checks

Auto-Fixable Issues

Index.md Corruption:

• Pipe table corruption: |- [[ → - [[
• Line number prefix corruption: \d+| patterns
• Duplicate entries: exact duplicate - [[...]] lines
• Header count mismatch: section headers vs filesystem

Log.md Missing Separators:
Consecutive ## [YYYY-MM-DD] headers without ---. Pre-flight: verify ALL ## lines are date-stamped before bulk fixing.

Orphan Page Handling:

1. Ghost entry detection (index.md → file existence)
2. Orphan addition (file existence → index.md)
3. Alphabetical insertion within correct section
4. Max 20 orphans per run; filter stubs (<30 lines, TODO marker)

Pitfalls

• rstrip(".md") is a character set, not substring — use re.sub(r'\.md$', '', target)
• Schedule inversion: watchdog runs BEFORE health-fix (17:35 vs 17:50 UTC)
• wiki_snapshot counts may be stale — verify against filesystem
• Summary line Indexed entries: must count ALL - [[...]] lines, not just one section
• Tag taxonomy: Pre-commit validates tags against SCHEMA.md. Common misses: exploration, interview, llm-training, rl (use reinforcement-learning). Verify with grep -o "tagname" wiki/SCHEMA.md.
• Language enforcement: Non-raw pages must be in English. Japanese content blocks commit — translate before committing.
• Symlink + git add: Changes made through ~/wiki symlink may not stage with git add wiki/. Use git add -A wiki/ and verify with git show --stat HEAD.

→ Full detail: references/daily-structural-health.md
→ Scripts: scripts/build-orphan-sed.py, scripts/misplaced-entries-detection.py
→ Reference: references/misplaced-stub-cleanup.md

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2. Comparison Page Updates

When to Use

• Adding a new item (model, provider, tool) to an existing multi-section comparison page
• "Add X to the pricing/comparison page"
• "Update comparison table with new model"

Workflow

1. Read the FULL comparison page first
2. Identify ALL sections to update (typically 8+)
3. Gather all pricing/spec data before editing
4. Edit with patch tool
5. Verify no duplicate frontmatter fields
6. Update index.md and log.md
7. Commit and push

Sections Typically Updated (8 total)

1. Main table — new row with tier classification
2. Cache pricing section
3. Batch pricing section
4. Tier analysis section
5. Cost comparison section (chat + code gen workloads)
6. Key Trends — if significant market shift
7. Changelog — always add entry
8. Related Pages — wikilink to entity/concept page

Key Pitfalls

• Duplicate frontmatter: Always read lines 1-10 before patching
• Non-unique patch context: Include surrounding lines for uniqueness
• Section numbering cascade: Renumber ALL subsequent sections when inserting
• execute_code blocked in cron: Use terminal + sed for bulk edits

→ Price verification: references/llm-api-pricing-verification.md
→ Case study: references/llm-api-pricing-fable5-update.md

→ Full detail: references/comparison-page-updates.md
→ Case study: references/llm-api-pricing-fable5-update.md

Scheduled Pricing Monitor (absorbed from llm-api-pricing-monitor)

When running the periodic LLM API pricing monitor cron (or "check LLM pricing" / "update API pricing"):

1. Fetch live pricing from verified provider URLs and parse per the extraction recipes in references/llm-pricing-extraction-recipes.md (OpenAI = Astro SSR props, no __NEXT_DATA__; Anthropic = docs.anthropic.com RSC data, NOT the JS-rendered claude.com redirect; Google = cloud.google.com standard HTML tables, ai.google.dev blocked by lookalike-TLD detection; DeepSeek = api-docs.deepseek.com, NOT platform.deepseek.com which 403s).
2. Cross-check uncertain prices via the OpenRouter API (references/llm-api-pricing-verification.md).
3. Update wiki/comparisons/llm-api-pricing.md using the 8-section workflow above; watch promo/intro pricing windows (record live rate + list price in footnote) and peak/off-peak structures. DeepSeek historical structure: references/deepseek-pricing-structure.md.
4. Commit narrowly: stage ONLY wiki/comparisons/llm-api-pricing.md and wiki/log.md — the repo carries unrelated sibling-cron edits; blind git add wiki/ sweeps them in. If the tree is dirty, git stash && git pull --rebase && git stash pop first.
5. log.md prepend hazard: after prepending your entry, verify the pre-existing first entry still has its ## [date] header immediately after yours; re-insert with patch if the merge stripped it.

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3. Page Relocation & Restructuring

When to Use

• Moving a page to a new directory
• Renaming a page
• Reorganizing directory structure
• Merging directories or splitting pages

Workflow

1. Verify target and backlinks (search_files)
2. Create target directory if needed
3. Copy and transform
4. Remove original
5. Update backlinks (small: patch per file; bulk: Python regex script)
6. Update index.md
7. Update log.md
8. Commit and push

Link Update Patterns

• [[concepts/old/page]]
• [[concepts/old/page|Display Text]]
• [[concepts/old/_index]]
• [[old/page]] (relative links)

Decision Matrix: Subdirectory vs MOC Page

Signal	Subdirectory	MOC Page
Pages share a concrete prefix (≥5)	✅	—
Pages form a coherent domain by tag (≥5)	✅	—
Theme is cross-cutting / universal	❌	✅
≤4 pages in cluster	❌	✅ or skip

Universal themes (too generic for subdirs): agent-*, agentic-*, llm-*, open-*, multi-*, software-*

Directory Restructuring Patterns

1. _index.md to descriptive name
2. Creating new hierarchy
3. Merging directories
4. Semantic classification move (by tags)
5. Directory rename
6. Product tool split (model vs tool pages)
7. Prefix restoration

Pitfalls

• Double-prefix display bug: Ensure display name doesn't duplicate slug prefix
• Missing relative links: Search for and update relative links too
• Prefix stripping: User preference — keep prefix in filenames even inside subdirectories
• Overlapping concepts: Keep separate, add disambiguation blockquotes
• Prefix suffix capture for directory renames: Use (?old-name(/?[^\\\\]|]*?)(?:\\\\|([^\\\\]]+))?\\\\]\\\\] pattern
• Symlink + git add: git add wiki/ from repo root may not stage changes made through ~/wiki symlink. Use git add -A wiki/ and verify with git show --stat HEAD.
• Double-nesting in bulk sed: If post-training is in the moved pages list AND the sed replaces concepts/post-training → concepts/post-training/post-training, you get triple-nesting. Always verify: grep -rli "double-pattern/" after bulk sed.
• Tag taxonomy violations: Pre-commit blocks unknown tags. Verify tags exist in SCHEMA.md before committing. Common misses: exploration, interview, llm-training, rl.
• Language enforcement: Non-raw pages must be in English. Japanese content blocks commit.
• Scope estimation: For N moved pages, expect ~2-3N files needing reference updates.

→ Batch reorg checklist + pitfalls: references/batch-directory-reorganization-pitfalls.md

→ Full detail: references/page-relocation.md
→ Batch reorg pitfalls: references/batch-directory-reorganization-pitfalls.md (symlink+git trap, double-nesting, tag validation, scope estimation)

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Support Files

References

File	Source	Content
references/daily-structural-health.md	wiki-watchdog-auto-fix	Full watchdog workflow with all auto-fix patterns
references/comparison-page-updates.md	wiki-comparison-page-update	Full comparison page update workflow
references/page-relocation.md	wiki-page-relocation	Full page relocation workflow with all patterns
references/misplaced-stub-cleanup.md	wiki-watchdog-auto-fix	Detection heuristics for misplaced concept stubs
references/llm-api-pricing-fable5-update.md	wiki-comparison-page-update	Case study: adding Fable5 to LLM API pricing
references/llm-api-pricing-verification.md	wiki-maintenance	SPA price verification via OpenRouter API, ~ removal workflow, model name change detection
references/agent-semantic-classification-migration.md	wiki-page-relocation	Semantic classification of 47 agent pages
references/batch-hierarchy-reorganization.md	wiki-page-relocation	Multiple sequential directory reorganizations
references/context-engineering-hierarchy-migration.md	wiki-page-relocation	16 pages into subdirectory, prefix restoration
references/death-of-browser-relocation-example.md	wiki-page-relocation	Real-world page relocation example
references/directory-rename-and-product-split.md	wiki-page-relocation	Directory rename patterns and product splits
references/evaluation-safety-benchmarks-separation.md	wiki-page-relocation	Three-way taxonomy separation
references/orphan-page-deletion-example.md	wiki-page-relocation	Orphan page detection and deletion
references/post-relocation-enrichment-pattern.md	wiki-page-relocation	Enriching relocated pages from past sessions
references/batch-directory-reorganization-pitfalls.md	wiki-maintenance	Symlink+git trap, double-nesting, tag validation, scope estimation, checklist
references/llm-pricing-extraction-recipes.md	llm-api-pricing-monitor	Verified per-provider fetch URLs, extraction patterns, model lineup snapshot, monitor pitfalls
references/deepseek-pricing-structure.md	llm-api-pricing-monitor	DeepSeek full pricing table with historical comparison (cache hit/miss, peak/off-peak)

Scripts

File	Source	Content
scripts/build-orphan-sed.py	wiki-watchdog-auto-fix	Build sed script for orphan insertion
scripts/misplaced-entries-detection.py	wiki-watchdog-auto-fix	Detect misplaced entries between sections