update

CLAUDE.md

@@ -65,6 +65,8 @@ docker compose up -d
 - Factory pattern via `create_ai_provider(provider, api_key)`
 - `ModerationResult` includes severity scoring based on confidence + category weights
 - Sensitivity setting (0-100) adjusts thresholds per guild
+- **NSFW-Only Filtering** (default: `True`): When enabled, only sexual content is filtered; violence, harassment, etc. are allowed
+- Filtering controlled by `nsfw_only_filtering` field in `GuildSettings`
 
 ## Verification System
 
@@ -82,6 +84,17 @@ docker compose up -d
 - `get_rate_limiter()` returns singleton instance
 - Default limits configured for commands, moderation, verification, messages
 
+## Notification System
+
+- `utils/notifications.py` contains `send_moderation_notification()` utility
+- Handles sending moderation warnings to users with DM → in-channel fallback
+- **In-Channel Warnings** (default: `False`): Optional PUBLIC channel messages when DMs fail
+- **IMPORTANT**: In-channel messages are PUBLIC, visible to all users (Discord API limitation)
+- Temporary messages auto-delete after 10 seconds to minimize clutter
+- Used by automod, AI moderation, and manual moderation commands
+- Controlled by `send_in_channel_warnings` field in `GuildSettings`
+- Disabled by default for privacy reasons
+
 ## Adding New Cogs
 
 1. Create file in `src/guardden/cogs/`