fix(commands): remove examples from command discovery

AGENTS.md

@@ -24,7 +24,7 @@ Telegram command names are user-facing contracts. When adding, renaming, or
 deleting commands, update all related surfaces:
 
 - module command registration in `internal/modules/<module>/`
-- command parameter and example metadata used by Telegram and `/help`
+- command parameter metadata used by Telegram and `/help`
 - handler usage text and user-facing error text
 - tests for registration, handlers, and command menu behavior
 - README/docs when behavior changes are user-visible
@@ -34,10 +34,8 @@ Include units or currencies when meaningful (for example, `<vnd_amount>`), use
 `[...]` for optional input, append `...` for remaining free text, and use
 parentheses to document structured input (for example,
 `<ratio(owned:new)>`). Keep metadata, usage errors, examples, and tests exact.
-Public commands with parameters must provide an explicit copyable example;
-commands without parameters must omit it. In both Telegram's native menu and
-`/help`, append `Eg: <invocation>` inline; `/help` must wrap only the invocation
-in Telegram HTML `<code>` formatting.
+Telegram's native menu and `/help` show command syntax plus the summary without
+example invocations.
 
 ## Stats Compatibility