v0.5.0

Changelog

• 7085327 Add Dependabot configuration file
• 98f423c build(deps): bump github.com/buger/jsonparser from 1.1.1 to 1.1.2 (#43)
• 94f7348 build(deps): bump google.golang.org/grpc from 1.78.0 to 1.79.3 (#45)
• 8569bb9 feat(cache): PatternDetector emits cache_control annotations (#55)
• 0917f08 feat(cache): cache-aware dedup and prefix stability validator (#59)
• c172c7b feat(memory): memory decay lifecycle events and cache boundary hints (#58)
• 255658f feat(metrics): cache write cost accounting in /metrics (#57)
• 7ca5e8a feat(metrics): per-call-site cache hit rate tracking (#60)
• 4d44256 feat(session): session-aware cache boundary manager (#56)
• 115be85 fix: enable --memory and --session flags in Render start command (#39)