feat: Update role hierarchy and subscription tier configurations

- Refactored role hierarchy to align with Supabase Auth and RLS, simplifying role definitions and inheritance.
- Introduced new roles: 'service_role', 'moderator', and updated existing roles to streamline access control.
- Revised subscription tiers to include 'free', 'pro', and 'enterprise' with clear inheritance and access levels.
- Added RLS policy helpers for better role-based access control.

refactor: Enhance tracing configuration
- Removed unused imports and cleaned up code formatting for better readability.
- Improved error handling and logging in the LangfuseExporter class.

feat: Implement AI Gateway configuration
- Created a new AI Gateway configuration file to manage API interactions with various AI models.
- Added support for multiple AI models from different providers, including OpenAI, Anthropic, Google, and others.
- Implemented dynamic model discovery and credit retrieval functions.

feat: Add Claude Code provider integration
- Introduced a new configuration for Claude Code provider, allowing interaction with Claude models.
- Defined model selection functions for easy access to different Claude Code models.

feat: Integrate GitHub Copilot provider
- Developed a configuration for GitHub Copilot integration, supporting various models.
- Added environment variable management for flexible configuration.
- Created model selection function for easy access to GitHub Copilot models.

Author: ssdeanx

.agent/rules/conventions.md

@@ -19,7 +19,6 @@ import type { InferUITool} from "@mastra/core/tools";
 import { createTool } from "@mastra/core/tools";
 import { z } from "zod";
 import { AISpanType, InternalSpans } from "@mastra/core/ai-tracing";
-import type { RuntimeContext } from "@mastra/core/runtime-context";
 import { log } from "../config/logger";
 import type { RuntimeContext } from '@mastra/core/runtime-context'
 import type { TracingContext } from '@mastra/core/ai-tracing';

.env.example

@@ -20,6 +20,9 @@ ANTHROPIC_API_KEY='your_anthropic_api_key_here'
 # OpenRouter Configuration
 OPENROUTER_API_KEY='your_openrouter_api_key_here'
 
+# AI Ga
+AI_GATEWAY_API_KEY='your_api_key_here'
+
 # Langfuse Configuration (optional, for monitoring and logging)
 # Get your keys from https://langfuse.com
 LANGFUSE_SECRET_KEY="sk-lf-your_secret_key_here"

app/chat/config/openrouter-models.ts

@@ -293,6 +293,14 @@ export const OPENROUTER_MODELS: ModelConfig[] = [
   },
 
   // OpenAI via OpenRouter
+  {
+    id: "openrouter/openai/gpt-oss-20b:free",
+    name: "GPT OSS 20B (Free)",
+    provider: "openrouter",
+    contextWindow: 8000,
+    capabilities: ["chat", "code"],
+    description: "Open-source GPT via OR",
+  },
   {
     id: "openrouter/openai/gpt-4.1",
     name: "GPT-4.1 (OR)",