Feature nip11 monitoring

[ice-dionysos]

No description provided.

[Copilot]

Pull request overview

This PR implements NIP-11 monitoring functionality that tracks database health and exposes system status through the NIP-11 information endpoint. The implementation adds comprehensive status tracking with a finite state machine (FSM) to monitor database read/write operations and detect error conditions.

Changes:

• Added database status tracking with FSM-based error detection (consecutive operation threshold: 3 failures within 60 seconds)
• Implemented periodic database health checks that write and read test events to verify functionality
• Integrated status reporting into the NIP-11 HTTP handler to expose system health via the relay information document

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
database/query/status.go	New file implementing status tracking FSM and worker goroutine for monitoring database operations
database/query/status_test.go	Comprehensive tests for FSM state transitions and status tracker functionality
database/query/query.go	Integration of status tracking hooks for read/write operations
database/query/global.go	Global initialization of status tracker alongside database client
database/query/client.go	Added operation reporter callback for status tracking
server/http/nip11/system_status.go	New file implementing system status collection and periodic database health checks
server/http/nip11/nip11.go	Refactored to include system status in NIP-11 response and use streaming JSON encoding
server/http/nip11/nip11_test.go	Tests for system status collector behavior using synctest for deterministic time control

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[Copilot]

Pull request overview

Copilot reviewed 18 out of 19 changed files in this pull request and generated 3 comments.

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