add multiple provider

env.example

@@ -1,9 +1,83 @@
-# add the needed api 
+# AI Provider Configuration
+# Choose your AI provider and model
 
-GOOGLE_GENERATIVE_AI_API_KEY="your-google-api-key-here"
-OPENAI_API_KEY="your-openai-api-key-here"
-PERSONAL_ACCESS_TOKEN="your-github-personal-access-token-here"
-AWS_ACCESS_KEY_ID=your-aws-access-key-id
-AWS_SECRET_ACCESS_KEY=your-aws-secret-access-key
-AWS_REGION=your-region
-OPENROUTER_API_KEY="your-openrouter-api-key-here"
+# AI_PROVIDER: Which provider to use
+# Options: bedrock, openai, anthropic, google, azure, ollama
+# Default: bedrock
+AI_PROVIDER=bedrock
+
+# AI_MODEL: The model ID for your chosen provider (REQUIRED)
+# See examples below for each provider
+AI_MODEL=global.anthropic.claude-sonnet-4-5-20250929-v1:0
+
+# ===========================================
+# AWS Bedrock Configuration
+# ===========================================
+# AWS_REGION=us-east-1
+# AWS_ACCESS_KEY_ID=your-access-key-id
+# AWS_SECRET_ACCESS_KEY=your-secret-access-key
+
+# Popular Bedrock Models (Claude via Bedrock):
+# - global.anthropic.claude-sonnet-4-5-20250929-v1:0 (Latest Claude Sonnet 4.5)
+# - anthropic.claude-sonnet-4-20250514-v1:0 (Claude Sonnet 4)
+# - anthropic.claude-3-7-sonnet-20250219-v3:0 (Claude 3.7 Sonnet)
+# - anthropic.claude-3-5-haiku-20241022-v1:0 (Claude 3.5 Haiku)
+
+# ===========================================
+# OpenAI Configuration
+# ===========================================
+# OPENAI_API_KEY=sk-...
+# OPENAI_ORGANIZATION=org-...  # Optional
+# OPENAI_PROJECT=proj_...      # Optional
+
+# Popular OpenAI Models:
+# - gpt-5 (GPT-5)
+# - gpt-4o (GPT-4 Optimized)
+# - gpt-4-turbo (GPT-4 Turbo)
+# - o1 (Reasoning model)
+# - o3 (Reasoning model)
+# - o4 (Reasoning model)
+
+# ===========================================
+# Anthropic (Direct) Configuration
+# ===========================================
+# ANTHROPIC_API_KEY=sk-ant-...
+
+# Popular Anthropic Models:
+# - claude-sonnet-4-5 (Latest Claude Sonnet 4.5)
+# - claude-haiku-4-5 (Claude Haiku 4.5)
+# - claude-opus-4-1 (Claude Opus 4.1)
+# - claude-3-7-sonnet-latest (Claude 3.7 Sonnet)
+# - claude-3-5-haiku-latest (Claude 3.5 Haiku)
+
+# ===========================================
+# Google Generative AI Configuration
+# ===========================================
+# GOOGLE_GENERATIVE_AI_API_KEY=...
+
+# Popular Google Models:
+# - gemini-2.5-pro (Gemini 2.5 Pro)
+# - gemini-2.5-flash (Gemini 2.5 Flash)
+# - gemini-2.0-flash (Gemini 2.0 Flash)
+# - gemini-1.5-pro (Gemini 1.5 Pro)
+# - gemini-1.5-flash (Gemini 1.5 Flash)
+# - gemini-1.5-flash-8b (Gemini 1.5 Flash 8B)
+
+# ===========================================
+# Azure OpenAI Configuration
+# ===========================================
+# AZURE_RESOURCE_NAME=your-resource-name
+# AZURE_API_KEY=...
+
+# Azure Model Configuration:
+# Use your deployment name (not the model ID)
+# Example: if you deployed GPT-4 as "my-gpt4-deployment"
+# AI_MODEL=my-gpt4-deployment
+
+# ===========================================
+# Ollama (Local) Configuration
+# ===========================================
+# OLLAMA_BASE_URL=http://localhost:11434/api  # Optional, defaults to localhost
+
+# IMPORTANT: This app requires models that support tool calling (v2 specification)
+# Note: Models must be installed locally with `ollama pull <model-name>`