docs: update help command docs for FlaskPaste detail pages

USAGE.md, CHEATSHEET.md, and TASKS.md updated to reflect enhanced
!help output that pastes detailed docstrings via FlaskPaste.

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

docs/CHEATSHEET.md

@@ -86,15 +86,19 @@ Profile data written on graceful shutdown when bot runs with `--cprofile`.
 
 ```
 !ping              # Pong
-!help              # List commands
-!help <cmd>        # Command help
-!help <plugin>     # Plugin description + commands
+!help              # List commands + paste full reference
+!help <cmd>        # Command help + paste docstring detail
+!help <plugin>     # Plugin info + paste command details
 !version           # Bot version
 !uptime            # Bot uptime
 !echo <text>       # Echo text back
 !h                 # Shorthand (any unambiguous prefix works)
 ```
 
+Detailed help output (docstrings, subcommands, examples) is pasted to
+FlaskPaste and appended as a URL. Falls back gracefully if FlaskPaste
+is not loaded.
+
 ## Permission Tiers
 
 ```

docs/USAGE.md

@@ -124,9 +124,9 @@ unchanged. The server name is derived from the hostname automatically.
 | Command | Description |
 |---------|-------------|
 | `!ping` | Bot responds with "pong" |
-| `!help` | List all available commands |
-| `!help <cmd>` | Show help for a specific command |
-| `!help <plugin>` | Show plugin description and its commands |
+| `!help` | List all commands + paste full reference |
+| `!help <cmd>` | Show help + paste detailed docstring |
+| `!help <plugin>` | Show plugin description + paste command details |
 | `!version` | Show bot version |
 | `!uptime` | Show how long the bot has been running |
 | `!echo <text>` | Echo back text (example plugin) |