v0.28.0

Changelog

Features

• 698debb feat(pipeline): TRK101 lint for risky tool-stdout routing (closes #211) (#221)
• 61228c6 feat(pipeline): _TRACKER_ROUTE= reserved sentinel + route_required (closes #212) (#222)
• b09b429 feat(pipeline): activity.jsonl integrity hardening (closes #213) (#223)
• 7c2fdb7 feat(pipeline): marker_grep node attribute for typed tool routing (closes #210) (#220)

Other

• ab79bd0 Merge pull request #219 from 2389-research/fix/214-tailbuffer-property-tests
• 3937385 release: v0.28.0 (#224)
• 320caaa test(agent/exec): property-based tests for tailBuffer (closes #214)