feat: add GPU-specific fields to marketplace offers and create dedicated GPU marketplace router

- Add GPU fields (model, memory, count, CUDA version, price, region) to MarketplaceOffer model
- Create new marketplace_gpu router for GPU-specific operations
- Update offer sync to populate GPU fields from miner capabilities
- Move GPU attributes from generic attributes dict to dedicated fields
- Update MarketplaceOfferView schema with GPU fields
- Expand CLI README with comprehensive documentation and

cli/aitbc_cli/main.py

@@ -0,0 +1,136 @@
+#!/usr/bin/env python3
+"""
+AITBC CLI - Main entry point for the AITBC Command Line Interface
+"""
+
+import click
+import sys
+from typing import Optional
+
+from . import __version__
+from .config import get_config
+from .utils import output, setup_logging
+from .commands.client import client
+from .commands.miner import miner
+from .commands.wallet import wallet
+from .commands.auth import auth
+from .commands.blockchain import blockchain
+from .commands.marketplace import marketplace
+from .commands.simulate import simulate
+from .commands.admin import admin
+from .commands.config import config
+from .commands.monitor import monitor
+from .plugins import plugin, load_plugins
+
+
+@click.group()
+@click.option(
+    "--url",
+    default=None,
+    help="Coordinator API URL (overrides config)"
+)
+@click.option(
+    "--api-key",
+    default=None,
+    help="API key (overrides config)"
+)
+@click.option(
+    "--output",
+    type=click.Choice(["table", "json", "yaml"]),
+    default="table",
+    help="Output format"
+)
+@click.option(
+    "--verbose", "-v",
+    count=True,
+    help="Increase verbosity (use -v, -vv, -vvv)"
+)
+@click.option(
+    "--debug",
+    is_flag=True,
+    help="Enable debug mode"
+)
+@click.option(
+    "--config-file",
+    default=None,
+    help="Path to config file"
+)
+@click.version_option(version=__version__, prog_name="aitbc")
+@click.pass_context
+def cli(ctx, url: Optional[str], api_key: Optional[str], output: str, 
+        verbose: int, debug: bool, config_file: Optional[str]):
+    """
+    AITBC CLI - Command Line Interface for AITBC Network
+    
+    Manage jobs, mining, wallets, and blockchain operations from the command line.
+    """
+    # Ensure context object exists
+    ctx.ensure_object(dict)
+    
+    # Setup logging based on verbosity
+    log_level = setup_logging(verbose, debug)
+    
+    # Load configuration
+    config = get_config(config_file)
+    
+    # Override config with command line options
+    if url:
+        config.coordinator_url = url
+    if api_key:
+        config.api_key = api_key
+    
+    # Store in context for subcommands
+    ctx.obj['config'] = config
+    ctx.obj['output_format'] = output
+    ctx.obj['log_level'] = log_level
+
+
+# Add command groups
+cli.add_command(client)
+cli.add_command(miner)
+cli.add_command(wallet)
+cli.add_command(auth)
+cli.add_command(blockchain)
+cli.add_command(marketplace)
+cli.add_command(simulate)
+cli.add_command(admin)
+cli.add_command(config)
+cli.add_command(monitor)
+cli.add_command(plugin)
+load_plugins(cli)
+
+
+@cli.command()
+@click.pass_context
+def version(ctx):
+    """Show version information"""
+    output(f"AITBC CLI version {__version__}", ctx.obj['output_format'])
+
+
+@cli.command()
+@click.pass_context
+def config_show(ctx):
+    """Show current configuration"""
+    config = ctx.obj['config']
+    output({
+        "coordinator_url": config.coordinator_url,
+        "api_key": "***REDACTED***" if config.api_key else None,
+        "output_format": ctx.obj['output_format'],
+        "config_file": config.config_file
+    }, ctx.obj['output_format'])
+
+
+def main():
+    """Main entry point"""
+    try:
+        cli()
+    except KeyboardInterrupt:
+        click.echo("\nAborted by user", err=True)
+        sys.exit(1)
+    except Exception as e:
+        click.echo(f"Error: {e}", err=True)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()