feat: add Ollama audio transcription and runtime config reload

- add audio capability reporting for Ollama models
- support Telegram voice messages via ffmpeg conversion and Ollama transcription
- add USE_SYSTEM_PROMPT toggle and runtime reloading of .env/system prompt settings
- support ollama_options.json for custom Ollama request options
- improve Telegram MarkdownV2 escaping and formatting preservation
- add environment setters for AI provider credentials and models
- show audio capability in info/model commands

src/commands/ollama-get-model.ts

@@ -65,8 +65,10 @@ export class OllamaGetModel extends Command {
     private getModelText(model: string, info: AiModelCapabilities): string {
         return `model: ${model}\n\n` +
             `vision: ${boolToEmoji(info.vision?.supported)}\n` +
+            `ocr: ${boolToEmoji(info.ocr?.supported)}\n` +
             `thinking: ${boolToEmoji(info.thinking?.supported)}\n` +
-            `tools: ${boolToEmoji(info.tools?.supported)}`;
+            `tools: ${boolToEmoji(info.tools?.supported)}\n` +
+            `audio: ${boolToEmoji(info.audio?.supported)}`;
     }
 
     async getModelCapabilities(model: string = Environment.OLLAMA_MODEL): Promise<AiModelCapabilities | null> {
@@ -95,6 +97,11 @@ export class OllamaGetModel extends Command {
                     external: model !== Environment.OLLAMA_MODEL,
                     model: model
                 },
+                audio: {
+                    supported: info.capabilities.includes("audio"),
+                    external: model !== Environment.OLLAMA_MODEL,
+                    model: model
+                }
             };
         } catch (e) {
             logError(e);