refine: cleanup remaining whispergate refs, improve docs and TASKLIST formatting

- Fix enableWhispergatePolicyTool → enableDirigentPolicyTool in config schema and example
- Fix whisper-gateway → dirigentway in install script
- Add v0.2.0 changelog entry
- Improve README with scheduling identifier docs and English text
- Clean up plugin README with moderator handoff format docs
- Reformat TASKLIST with cleaner done markers

CHANGELOG.md

@@ -1,10 +1,21 @@
 # Changelog
 
+## 0.2.0
+
+- **Project renamed from WhisperGate to Dirigent**
+  - All plugin ids, tool names, config keys, file paths, docs updated
+  - Legacy `whispergate` config key still supported as fallback
+- **Identity prompt enhancements**: Discord userId now included in agent identity injection
+- **Scheduling identifier**: Added configurable `schedulingIdentifier` (default: `➡️`)
+  - Moderator handoff now sends `<@USER_ID>➡️` instead of semantic messages
+  - Agent prompt explains the identifier is meaningless — check chat history and decide
+- **All prompts in English**: End-marker instructions, group chat rules, slash command help text
+
 ## 0.1.0-mvp
 
 - Added no-reply API service (`/v1/chat/completions`, `/v1/responses`, `/v1/models`)
 - Added optional bearer auth (`AUTH_TOKEN`)
-- Added Dirigent plugin with deterministic rule gate
+- Added plugin with deterministic rule gate
 - Added discord-specific 🔚 prompt injection for bypass/end-symbol paths
 - Added containerization (`Dockerfile`, `docker-compose.yml`)
 - Added helper scripts for smoke/dev lifecycle and rule validation