refactor(tooling): merge discord_control and whispergate_policy into whispergateway_tools

plugin/README.md

@@ -31,6 +31,11 @@ Optional:
 - `agentList` (default [])
 - `channelPoliciesFile` (per-channel overrides in a standalone JSON file)
 - `enableWhispergatePolicyTool` (default true)
+
+Unified optional tool:
+- `whispergateway_tools`
+  - Discord actions: `channel-private-create`, `channel-private-update`, `member-list`
+  - Policy actions: `policy-get`, `policy-set-channel`, `policy-delete-channel`
 - `bypassUserIds` (deprecated alias of `humanList`)
 - `endSymbols` (default ["🔚"])
 - `enableDiscordControlTool` (default true)
@@ -44,16 +49,15 @@ Policy file behavior:
 - loaded once on startup into memory
 - runtime decisions read memory state only
 - direct file edits do NOT affect memory state
-- `whispergate_policy` tool updates memory first, then persists to file (atomic write)
+- `whispergateway_tools` policy actions update memory first, then persist to file (atomic write)
 
-## Optional tool: `discord_control`
+## Optional tool: `whispergateway_tools`
 
-This plugin now registers an optional tool named `discord_control`.
+This plugin registers one unified optional tool: `whispergateway_tools`.
 To use it, add tool allowlist entry for either:
-- tool name: `discord_control`
+- tool name: `whispergateway_tools`
 - plugin id: `whispergate`
 
 Supported actions:
-- `channel-private-create`
-- `channel-private-update`
-- `member-list`
+- Discord: `channel-private-create`, `channel-private-update`, `member-list`
+- Policy: `policy-get`, `policy-set-channel`, `policy-delete-channel`