feat(insights): add events support

[rabidpraxis]

Status

WIP

Description

Adds Honeybadger Insights events support with batching, retry logic, and throttling. Events
are queued and sent asynchronously in configurable batches. Includes BeforeEvent hooks for
filtering/modifying events before sending.

Key features:

• Asynchronous event batching with configurable batch size and timeout
• Retry logic with configurable max attempts
• Throttling support (429/503) with backoff
• Queue size limits with automatic dropping of oldest events
• BeforeEvent callbacks for modification and filtering
• Zerolog adapter for sending logs as events
• Updated GH test matrix to only run against supported versions

Related PRs

None

Todos

• Tests
• Documentation
• More consistent logging
• ENV var config settings
• Event context API
• Dropped events periodic logging
• Godoc comments on exported types
• slog adapter
• logrus adapter (maybe)
• Changelog Entry (unreleased)

[Copilot]

Pull Request Overview

This PR adds Honeybadger Insights events support with asynchronous batching, retry logic, and throttling capabilities. Events are queued and sent in configurable batches with support for filtering/modification through BeforeEvent hooks.

Key changes:

• Event batching system with configurable batch size and timeout
• Retry logic with exponential backoff and throttling support
• Queue management with automatic dropping of oldest events when at capacity
• BeforeEvent callback system for event filtering and modification
• Zerolog adapter for sending logs as Insights events

Reviewed Changes

Copilot reviewed 17 out of 19 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
event.go	Defines event payload structure and creation logic
events_worker.go	Implements asynchronous event batching and sending worker
ring_buffer.go	Provides circular buffer for efficient event queuing
client.go	Adds Event method and BeforeEvent handler support
configuration.go	Adds events-related configuration options
server.go	Updates HTTP client to support events endpoint and JSONL format
honeybadger.go	Adds public Event and BeforeEvent functions
null_backend.go	Adds Event method to null backend implementation
zerolog/	New zerolog adapter package for sending logs as events
go.mod	Updates Go version and dependencies
README.md	Documents new events functionality
Makefile	Updates linting tools
*_test.go	Comprehensive test coverage for events functionality

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