systemprompt-runtime 0.0.7

Application runtime context and module registry for systemprompt.io
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systemprompt-runtime

Application runtime context and module registry for systemprompt.io.

Crates.io Documentation License: FSL-1.1-ALv2

Overview

Part of the App layer in the systemprompt.io architecture.

Provides centralized access to database connections, configuration, extension services, and startup validation.

This crate is the application-layer orchestrator that:

  • Initializes and manages the AppContext - the central runtime state container
  • Provides compile-time module registration via inventory macros
  • Validates system configuration and extensions at startup
  • Coordinates domain services without implementing business logic

File Structure

src/
├── lib.rs                    # Public exports and registration macros
├── context.rs                # AppContext builder and runtime state
├── database_context.rs       # Standalone database context for CLI tools
├── installation.rs           # Module schema and seed installation
├── registry.rs               # Module API registry and routing
├── span.rs                   # Request tracing span construction
├── startup_validation/       # Multi-domain configuration validation
│   ├── mod.rs                # StartupValidator orchestration
│   ├── config_loaders.rs     # Config file loading utilities
│   ├── display.rs            # Validation report rendering
│   ├── extension_validator.rs # Extension validation logic
│   ├── files_validator.rs    # FilesConfig domain validator
│   └── mcp_validator.rs      # MCP manifest validation
├── validation.rs             # Runtime system checks
└── wellknown.rs              # Well-known endpoint metadata registry

Modules

context.rs

Purpose: Central runtime state container providing access to all shared resources.

Export Description
AppContext Holds database pool, config, registries, analytics, and GeoIP reader
AppContextBuilder Fluent builder for customized context initialization

Key behaviors:

  • Loads configuration via ProfileBootstrap and Config::get()
  • Initializes database connection from config
  • Discovers and validates extensions via ExtensionRegistry
  • Optionally loads GeoIP database and content configuration
  • Initializes tracing with database persistence

database_context.rs

Purpose: Lightweight database-only context for CLI tools that don't need full runtime.

Export Description
DatabaseContext Minimal context with just a database pool

installation.rs

Purpose: Module installation orchestration for schema and seed data.

Export Description
install_module Installs a module using a new AppContext
install_module_with_db Installs a module with an existing database connection

Delegates to systemprompt-database for actual SQL execution.

registry.rs

Purpose: Compile-time module registration and runtime routing.

Export Description
ModuleApiRegistry Collects all registered module routes at startup
ModuleApiRegistration Static registration struct submitted via inventory
ModuleRuntime Trait for modules to expose their routes
WellKnownRoute Registration for .well-known endpoints

span.rs

Purpose: Constructs tracing spans from request context.

Export Description
create_request_span Builds a RequestSpan with user, session, trace, and context IDs

startup_validation/

Purpose: Multi-domain configuration validation at application startup.

Export Description
StartupValidator Orchestrates validation across all domain config validators
display_validation_report Renders validation errors to console
display_validation_warnings Renders validation warnings to console

Submodules:

  • config_loaders.rs - YAML config loading with spinner feedback
  • display.rs - Console rendering for validation reports
  • extension_validator.rs - Extension config and asset validation
  • files_validator.rs - FilesConfigValidator domain implementation
  • mcp_validator.rs - MCP server manifest validation

Validates: files, rate limits, web config, content config, agents, MCP servers, AI providers, and extensions.

validation.rs

Purpose: Runtime system prerequisite checks.

Export Description
validate_system Validates database connection and path

wellknown.rs

Purpose: Metadata registry for .well-known endpoints.

Export Description
WellKnownMetadata Static metadata (path, name, description) for discovery
get_wellknown_metadata Retrieves metadata for a given path

Macros

Macro Purpose
register_module_api! Register module routes with the runtime registry
register_wellknown_route! Register .well-known endpoints with optional metadata

Usage

use systemprompt_runtime::{register_module_api, ServiceCategory, ModuleType};

register_module_api!(
    "my-module",
    ServiceCategory::Core,
    my_module::routes,
    true,
    ModuleType::Regular
);

Dependencies

Crate Purpose
systemprompt-database Database pool and migrations
systemprompt-config Configuration loading
systemprompt-models Module and config definitions
systemprompt-logging Tracing and CLI output
systemprompt-extension Extension discovery and validation
systemprompt-analytics Analytics service and GeoIP
inventory Compile-time static registration

Installation

Add to your Cargo.toml:

[dependencies]
systemprompt-runtime = "0.0.1"

License

FSL-1.1-ALv2 - See LICENSE for details.