- C4: Propagate request context through semaphores and upstream calls
- C5: Make client rate limiter cleanup goroutine idempotent via sync.Once
- P1: Streaming response path using io.Copy instead of full materialization
- P2: Gate promotion goroutines to files >= 64KiB
- P3: Reduce global lock contention during eviction
- P4: Demote hot-path logging and compact metrics output
- R1: Add upstream URL scheme/host validation
- R4: Add cache file format version + tolerant deserialization
- Makefile: Make build-snapshot-single practical by using -short tests
- Config: Add GetDefaultConfig + Validate for better testability and R1 coverage
All changes follow the "smallest safe diff" principle from the review.
Safe test suite now builds and runs cleanly via make build-snapshot-single.
Ref: docs/reviews/steamcache2-production-hardening-review-2026-05-26.md
- Updated the `downloadThroughCache` function to remove the upstream URL parameter, streamlining the caching process.
- Modified the `serializeRawResponse` function to eliminate unnecessary parameters, enhancing clarity and usability.
- Adjusted integration tests to align with the new function signatures, ensuring consistent testing of caching behavior.
- Introduced integration tests for SteamCache to validate caching behavior with real Steam URLs.
- Implemented a ServiceManager to manage service configurations, allowing for dynamic detection of services based on User-Agent.
- Updated cache key generation to include service prefixes, enhancing cache organization and retrieval.
- Enhanced the caching logic to support multiple services, starting with Steam and Epic Games.
- Improved .gitignore to exclude test cache files while retaining necessary structure.
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