metrics for usage tracking

[dixitaniket]

• pushes important metrics to supabase

[Copilot]

Pull request overview

Adds aggregate inference-usage tracking to the facilitator by accepting optional usageMetadata on /settle, persisting rollups in Redis, and optionally forwarding aggregates to a Supabase RPC for centralized reporting.

Changes:

• Accepts and enqueues optional usageMetadata alongside payment settlement jobs.
• Introduces a Redis-backed usage rollup tracker with optional Supabase RPC sink and a new /usage stats endpoint.
• Adds README environment variables for configuring the Supabase usage sink.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
README.md	Documents env vars for enabling/disabling Supabase usage sink and configuring the RPC.
payment_worker.ts	Records usage metadata after successful payment settlement and closes the usage tracker on shutdown.
all_networks.ts	Parses usageMetadata in /settle, passes it into the payment job, adds /usage endpoint, and closes tracker on shutdown.
all_networks_usage.ts	New module implementing Redis rollups, dedupe, optional Supabase RPC forwarding, stats retrieval, and graceful shutdown.
all_networks_types_helpers.ts	Adds InferenceUsageMetadata type and parsing/validation helper for request bodies.

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[Copilot]

Pull request overview

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