fix erroneous specification of 'skill'

Claude Code created a slash command for loading additional guidance, but called
it a Skill, and didn't notice at the time.  No, we have a slash command, call
it such.

Author: philpennock

AGENTS.md

@@ -228,29 +228,29 @@ response shapes) may change incompatibly across any release, including patch
 versions.  Clients must discover schemas at runtime via the MCP `tools/list`
 method rather than hard-coding parameter knowledge.
 
-#### Server instructions and the companion skill
+#### Server instructions and the companion slash command
 
 The MCP server returns an `instructions` field in its `InitializeResult`,
 providing discovery guidance and key usage patterns (when to reach for these
 tools, summary-mode and pagination hints).  Clients that support the MCP
 `instructions` field (e.g. Claude Code's Tool Search) use this to decide when
 to search for the Unicode tools without needing any extra configuration.
 
-For Claude Code specifically, a companion **skill** file
-[`extra/SKILL.md`](extra/SKILL.md) can be installed as
-`~/.claude/commands/character-unicode.md`.  The skill provides a deeper
+For Claude Code specifically, a companion **slash command** file
+[`extra/character-unicode.md`](extra/character-unicode.md) can be installed as
+`~/.claude/commands/character-unicode.md`.  The slash command provides a deeper
 reference — the tool-routing decision table, the full property field table, and
 advanced tips — and is loaded on demand (via `/character-unicode`) rather than
 occupying context in every conversation.  The server's `instructions` text
-references the skill so that clients aware of it can load the detailed guide
-when needed.
+references the slash command so that clients aware of it can load the detailed
+guide when needed.
 
 The two layers are designed to be complementary:
 
 | Layer | Always loaded? | Content |
 |---|---|---|
 | `instructions` (in server) | Yes (via MCP init) | Discovery triggers, brief usage patterns |
-| Skill (`extra/SKILL.md`) | No (on demand) | Decision table, property field reference, tips |
+| Slash Command (`extra/character-unicode.md`) | No (on demand) | Decision table, property field reference, tips |
 
 #### Exposed MCP tools
 

README.md

@@ -74,7 +74,7 @@ Patches welcome.
 
 The `agent` sub-command tree has commands designed for AI coding agents and
 other automated tooling.  All agent output is stable, machine-readable JSON.
-AIs should see [`AGENTS.md`](AGENTS.md) for full tool schemas and usage patterns.
+AIs should see [`AGENTS.md`]() for full tool schemas and usage patterns.
 
 `character agent mcp` starts a [Model Context Protocol][mcp] stdio server.
 This allows `character` to act as a co-process providing Unicode domain
@@ -108,20 +108,20 @@ The server returns an `instructions` field in its MCP initialize response,
 which Claude Code uses to discover the Unicode tools automatically via Tool
 Search — no additional configuration is needed for basic usage.
 
-**Installing the skill file** (optional): the file
-[`extra/SKILL.md`](extra/SKILL.md) provides a deeper reference — a
+**Installing the custom slash command** (optional): the file
+[`extra/character-unicode.md`]() provides a deeper reference — a
 tool-routing decision table, the full property field reference, and advanced
 tips.  Install it as a custom slash command for on-demand access:
 
 ```sh
 # from the character source tree
-mkdir -p ~/.claude/commands
-cp extra/SKILL.md ~/.claude/commands/character-unicode.md
+mkdir -pv ~/.claude/commands
+cp -v extra/character-unicode.md ~/.claude/commands/./
 ```
 
 Once installed, type `/character-unicode` in a Claude Code session to load the
-skill into context.  The server's `instructions` text references the skill, so
-Claude can load it when detailed guidance is needed.
+extra guidance into context.  The server's `instructions` text references the
+command, so Claude can load it when detailed guidance is needed.
 
 #### Other MCP clients
 
@@ -134,12 +134,18 @@ automatically.
 
 ## Documentation
 
-| File                               | Audience                                                                     |
-| ---------------------------------- | ---------------------------------------------------------------------------- |
-| [`AGENTS.md`](AGENTS.md)           | AI agents — tool schemas, example invocations, output formats                |
-| [`CODE_GUIDE.md`](CODE_GUIDE.md)   | Developers — package map, reading order, data flow, protocols                |
-| [`extra/SKILL.md`](extra/SKILL.md) | AI agents — tool-routing table, property field reference, Claude Code skill  |
-
+| File                             | Audience                                                                            |
+| -------------------------------- | ----------------------------------------------------------------------------------- |
+| [`AGENTS.md`]()                  | AI agents — tool schemas, example invocations, output formats                       |
+| [`CODE_GUIDE.md`]()              | Developers — package map, reading order, data flow, protocols                       |
+| [`extra/character-unicode.md`]() | AI agents — tool-routing table, property field reference, Claude Code slash command |
+
+[AGENTS.md]: AGENTS.md
+[`AGENTS.md`]: AGENTS.md
+[CODE_GUIDE.md]: CODE_GUIDE.md
+[`CODE_GUIDE.md`]: CODE_GUIDE.md
+[extra/character-unicode.md]: extra/character-unicode.md
+[`extra/character-unicode.md`]: extra/character-unicode.md
 
 ## Building
 

commands/agent/mcpserver/server.go

@@ -50,7 +50,7 @@ Key patterns:
 - Block names accept partial case-insensitive matches; call unicode_list_blocks first if unsure of exact spelling.
 - Property objects include language-specific escape sequences (JSON, Rust, C, URL-encoded) ready for direct insertion into source code.
 
-For detailed usage guidance, invoke the /character-unicode skill if available.`
+For detailed usage guidance, invoke the /character-unicode slash command if available.`
 
 // ServeStdio starts the MCP server on os.Stdin / os.Stdout.
 func (s *Server) ServeStdio(ctx context.Context) error {

extra/SKILL.md extra/character-unicode.mdextra/SKILL.md renamed to extra/character-unicode.md

@@ -1,4 +1,4 @@
-# character — Unicode MCP Tool Skill
+# character — Unicode MCP Tool Slash Command
 
 Detailed usage guide for the `character` MCP server's Unicode tools.
 This supplements the server's built-in `instructions` field (which covers