refactor: rename .claude/skills to .claude/procedures

Avoid terminology confusion - "skills" refers to invokable commands
like /fix-css and /porkbun-dns. The documentation files are
step-by-step procedures, not invocable skills.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/.claude/CLAUDE.md

@@ -22,7 +22,7 @@ Quick rules:
 - Always add `--> statement-breakpoint` between multiple SQL statements
 - Always verify timestamp ordering after generating
 
-**Full guide:** `.claude/skills/database-migrations.md`
+**Full guide:** `.claude/procedures/database-migrations.md`
 
 ## @svg-maps Imports
 
@@ -208,7 +208,7 @@ This project uses SQLite with Drizzle ORM. Database location: `./data/sqlite.db`
 
 ### Creating Database Migrations
 
-**See `.claude/skills/database-migrations.md` for the complete migration workflow.**
+**See `.claude/procedures/database-migrations.md` for the complete migration workflow.**
 
 Quick reference:
 1. Modify schema in `src/db/schema/`
@@ -245,7 +245,7 @@ Query keys defined in: `src/lib/queryKeys.ts`
 ## Flowchart Walker System
 
 **See [`src/lib/flowcharts/README.md`](../src/lib/flowcharts/README.md) for complete documentation.**
-**See [`.claude/skills/FLOWCHART_MODIFICATIONS.md`](./skills/FLOWCHART_MODIFICATIONS.md) for modification patterns.**
+**See [`.claude/procedures/FLOWCHART_MODIFICATIONS.md`](./procedures/FLOWCHART_MODIFICATIONS.md) for modification patterns.**
 
 **Finding Mermaid content:** Check `definitions/index.ts` first (some flowcharts embed mermaid there), otherwise check `.mmd` file referenced in JSON's `mermaidFile` field.
 

apps/web/.claude/README.md

@@ -6,12 +6,12 @@ This directory contains Claude Code instructions and project documentation.
 
 - **[CLAUDE.md](./CLAUDE.md)** - Main instructions file (loaded every session)
 
-## Skills (Invokable Procedures)
+## Procedures (Step-by-Step Workflows)
 
-| Skill | Trigger | Description |
-|-------|---------|-------------|
-| [database-migrations.md](./skills/database-migrations.md) | Creating/modifying DB schema | Complete Drizzle migration workflow |
-| [FLOWCHART_MODIFICATIONS.md](./skills/FLOWCHART_MODIFICATIONS.md) | Modifying flowcharts | Checkpoint nodes, path enumeration, skipIf |
+| Procedure | Trigger | Description |
+|-----------|---------|-------------|
+| [database-migrations.md](./procedures/database-migrations.md) | Creating/modifying DB schema | Complete Drizzle migration workflow |
+| [FLOWCHART_MODIFICATIONS.md](./procedures/FLOWCHART_MODIFICATIONS.md) | Modifying flowcharts | Checkpoint nodes, path enumeration, skipIf |
 
 ## Reference (Passive Lookup)