[Shubham8287]

Description of Changes

Adds CLI, spacetime.json config and spacetime dev changes required for IDC receiver bindings.
It can be reviewed commit wise.

This is required for Receiver Binding of Async IDC proposal

Examples:

Declare a dependency from local source, without publishing it:

{

  "database": "lobby",    # Database to publish

  "module-path": "./lobby",    # Sender module source

  "dependencies": [
    {
      "name": "game_world",  # Local Rust module name for the generated bindings
  
      "module-path": "./game_world",  # Receiver source

      "out-dir": "./lobby/src/remote_bindings"   # Optional; Rust default: <sender module-path>/src/remote_binding
    }
  ]
}

Or with also publishing dependency database.

{
  "database": "lobby",
  "module-path": "./lobby",
  "dependencies": [
    {
      "name": "game_world",

      "database": "game-world",

    }
  ],

  # Additional publish targets; existing children behavior is unchanged
  "children": [
    {
      "database": "game-world",
      "module-path": "./game_world"
    }
  ]
}

The CLI also accepts explicit generation requests:

spacetime generate --lang rust --bindings module \
  --module-path ./game_world --out-dir ./receiver_bindings

--bindings client remains the default. --bindings module requires Rust.

Proposal Drift:

• Proposal does not mention about the cli command addition, but I belive that will be useful.
• It use module instead of crates for reciever bindings.
• Proposal also specify "server" argument in depedency for already running database.

API and ABI breaking changes

Additing configuration and cli change

Rollback safety impact

n/a

Expected complexity level and risk

2

Testing

unit tests