Add support for a smoketest operation

[aniket-s-kulkarni]

Add support for a cli to test remote MCP server deployments

❯ uv run python tests/stremable_http_cli.py -h
 Usage: stremable_http_cli.py [OPTIONS] COMMAND [ARGS]...

 Run simple mcp client

╭─ Options ───────────────────────────────────────────────────────────────────────╮
│ --install-completion            Install completion for the current shell.       │
│ --show-completion               Show completion for the current shell, to copy  │
│                                 it or customize the installation.               │
│ --help                -h        Show this message and exit.                     │
╰─────────────────────────────────────────────────────────────────────────────────╯
╭─ Commands ──────────────────────────────────────────────────────────────────────╮
│ test   Run a quick smoketest for a deployed MCP server                          │
│ cli    MCP client session related sub commands                                  │
│ auth   Auth related sub commands                                                │
╰─────────────────────────────────────────────────────────────────────────────────╯

A quick test can be run as -

uv run python tests/stremable_http_cli.py test \
    --client-id {oauth client id} \
    --url {mcp server url}/mcp/{project_id}

This will check oauth, tools listing and run query tool.