feat: add self-mention filtering to prevent reply loops

docs: update default model and examples in README

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 
 
+
+## Version 0.2.0 - 2025-12-20
+
+Adds self-mention filtering to prevent reply loops in the MentionBot. Updates the README with the new default model and revised examples.
+
+**Changes:** 2 files, 30 lines
+**Languages:** Markdown (9 lines), Other (21 lines)
+
 ## Version 0.1.0 - 2025-12-20
 
 Adds persistent state management for mention processing, ensuring continuity across application restarts.

README.md

@@ -170,7 +170,7 @@ grokii spam -u USERNAME -p PASSWORD -c --debug -l spam.log
 
 | Option | Description | Default |
 |--------|-------------|---------|
-| `--model` | OpenRouter model identifier | `x-ai/grok-3-fast-beta` |
+| `--model` | OpenRouter model identifier | `x-ai/grok-code-fast-1` |
 | `--system-prompt` | Custom AI personality prompt | Built-in |
 | `--max-tokens` | Maximum response length | `500` |
 | `--temperature` | AI creativity (0.0-2.0) | `0.7` |
@@ -200,6 +200,7 @@ Core mention-response logic:
 - Extracts question text by removing bot @mention
 - Builds context from rant and recent comments
 - Coordinates with OpenRouterClient for AI response
+- Filters self-mentions from AI responses to prevent self-reply loops
 - Posts formatted reply via devRant API
 
 #### OpenRouterClient.swift
@@ -236,20 +237,20 @@ Async-safe logging:
 
 ### Default Model
 
-Grokii uses `x-ai/grok-3-fast-beta` by default - xAI's fast inference model optimized for quick, accurate responses.
+Grokii uses `x-ai/grok-code-fast-1` by default - xAI's fast inference model optimized for quick, accurate responses.
 
 ### Alternative Models
 
 Any OpenRouter-supported model can be used:
 
 ```bash
-grokii chat -u USER -p PASS --model "anthropic/claude-3.5-sonnet"
+grokii chat -u USER -p PASS --model "anthropic/claude-4.5-sonnet"
 
 grokii chat -u USER -p PASS --model "openai/gpt-4o"
 
 grokii chat -u USER -p PASS --model "meta-llama/llama-3.1-70b-instruct"
 
-grokii chat -u USER -p PASS --model "google/gemini-pro-1.5"
+grokii chat -u USER -p PASS --model "google/gemini-pro-2.5"
 ```
 
 ### Temperature Settings

Sources/Grokii/MentionBot.swift

@@ -201,8 +201,27 @@ actor MentionBot {
         return context
     }
 
+    private func filterSelfMentions(from text: String) -> String {
+        guard let pattern = try? NSRegularExpression(
+            pattern: "@\(NSRegularExpression.escapedPattern(for: botUsername))",
+            options: [.caseInsensitive]
+        ) else {
+            return text
+        }
+
+        let range = NSRange(text.startIndex..., in: text)
+        return pattern.stringByReplacingMatches(
+            in: text,
+            options: [],
+            range: range,
+            withTemplate: ""
+        ).replacingOccurrences(of: "  ", with: " ")
+         .trimmingCharacters(in: .whitespaces)
+    }
+
     private func postReply(rantId: Int, replyTo: String, response: String) async {
-        let reply = "@\(replyTo) \(response)"
+        let filteredResponse = filterSelfMentions(from: response)
+        let reply = "@\(replyTo) \(filteredResponse)"
 
         guard !dryRun else {
             await logger.info("DRY RUN: Would post reply to rant \(rantId):\n\(reply)")