Migrate service manager to trzcina + adopt ServiceBundle

[mcharytoniuk]

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[Copilot]

Pull request overview

This PR migrates Paddler’s internal service orchestration from the in-repo Service/ServiceManager implementation to the external trzcina crate, and introduces ServiceBundle-based bootstrapping for agent and balancer components.

Changes:

• Replaced in-crate Service + ServiceManager with trzcina::Service + trzcina::ServiceManager across balancer/agent services and runners.
• Introduced AgentServiceBundle / BalancerServiceBundle to construct and register groups of services.
• Standardized shutdown handling by introducing a shared SHUTDOWN_DEADLINE and adding Actix HTTP server shutdown timeouts.

Reviewed changes

Copilot reviewed 27 out of 28 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
paddler/src/service.rs	Removed the in-crate Service trait (migration to trzcina).
paddler/src/service_manager.rs	Removed the in-crate service manager implementation and its tests.
paddler/src/lib.rs	Stopped exporting service and service_manager modules.
paddler/src/balancer/web_admin_panel_service/mod.rs	Switched to trzcina::Service; added HTTP server shutdown timeout.
paddler/src/balancer/statsd_service/mod.rs	Switched to trzcina::Service.
paddler/src/balancer/reconciliation_service.rs	Switched to trzcina::Service.
paddler/src/balancer/management_service/mod.rs	Switched to trzcina::Service; added HTTP server shutdown timeout.
paddler/src/balancer/inference_service/mod.rs	Switched to trzcina::Service; added HTTP server shutdown timeout.
paddler/src/balancer/compatibility/openai_service/mod.rs	Switched to trzcina::Service; added HTTP server shutdown timeout.
paddler/src/agent/reconciliation_service.rs	Switched to trzcina::Service.
paddler/src/agent/management_socket_client_service.rs	Switched to trzcina::Service; replaced actix_web::rt::spawn with tokio::spawn.
paddler/src/agent/llamacpp_arbiter_service.rs	Switched to trzcina::Service.
paddler/Cargo.toml	Added trzcina dependency.
paddler_cli/src/main.rs	Moved CLI entrypoint to run under an Actix System (block_on) instead of #[tokio::main].
paddler_cli/src/cmd/balancer.rs	Replaced runner-based startup with BalancerServiceBundle + trzcina::ServiceManager.
paddler_cli/src/cmd/agent.rs	Replaced runner-based startup with AgentServiceBundle + trzcina::ServiceManager.
paddler_cli/Cargo.toml	Added trzcina dependency.
paddler_bootstrap/src/shutdown_deadline.rs	Added shared shutdown deadline constant.
paddler_bootstrap/src/lib.rs	Exported new service bundle modules; removed old bootstrapped handle modules.
paddler_bootstrap/src/balancer_service_bundle.rs	Added bundle that constructs and returns balancer services as a ServiceBundle.
paddler_bootstrap/src/balancer_runner.rs	Updated runner to register and run the bundle via trzcina::ServiceManager.
paddler_bootstrap/src/agent_service_bundle.rs	Added bundle that constructs and returns agent services as a ServiceBundle.
paddler_bootstrap/src/agent_runner.rs	Updated runner to register and run the bundle via trzcina::ServiceManager.
paddler_bootstrap/Cargo.toml	Added async-trait and trzcina dependencies.
Cargo.toml	Added workspace dependency pin for trzcina.
Cargo.lock	Locked trzcina and dependency graph updates.

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[Copilot]

Pull request overview

Copilot reviewed 26 out of 27 changed files in this pull request and generated 2 comments.

[Copilot]

Pull request overview

Copilot reviewed 26 out of 27 changed files in this pull request and generated no new comments.