feat: complete Dirigent rename + all TASKLIST items

- Task 1: Identity prompt now includes Discord userId
- Task 2: Added configurable schedulingIdentifier (default: ➡️)
- Task 3: Moderator handoff uses <@userId>+identifier instead of semantic messages
- Task 4: All prompts/comments/help text converted to English
- Task 5: Full project rename WhisperGate → Dirigent across all files

Breaking: config key changed from plugins.entries.whispergate to plugins.entries.dirigent
Breaking: channel policies file renamed to dirigent-channel-policies.json
Breaking: tool name changed from whispergate_tools to dirigent_tools

plugin/rules.ts

@@ -1,4 +1,4 @@
-export type WhisperGateConfig = {
+export type DirigentConfig = {
   enabled?: boolean;
   discordOnly?: boolean;
   listMode?: "human-list" | "agent-list";
@@ -8,6 +8,8 @@ export type WhisperGateConfig = {
   // backward compatibility
   bypassUserIds?: string[];
   endSymbols?: string[];
+  /** Scheduling identifier sent by moderator to activate agents (default: ➡️) */
+  schedulingIdentifier?: string;
   noReplyProvider: string;
   noReplyModel: string;
   /** Discord bot token for the moderator bot (used for turn handoff messages) */
@@ -51,7 +53,7 @@ function getLastChar(input: string): string {
   return chars[chars.length - 1] || "";
 }
 
-export function resolvePolicy(config: WhisperGateConfig, channelId?: string, channelPolicies?: Record<string, ChannelPolicy>) {
+export function resolvePolicy(config: DirigentConfig, channelId?: string, channelPolicies?: Record<string, ChannelPolicy>) {
   const globalMode = config.listMode || "human-list";
   const globalHuman = config.humanList || config.bypassUserIds || [];
   const globalAgent = config.agentList || [];
@@ -76,7 +78,7 @@ export function resolvePolicy(config: WhisperGateConfig, channelId?: string, cha
 }
 
 export function evaluateDecision(params: {
-  config: WhisperGateConfig;
+  config: DirigentConfig;
   channel?: string;
   channelId?: string;
   channelPolicies?: Record<string, ChannelPolicy>;