chore(main): release 0.12.0

[github-actions]

🤖 I have created a release beep boop

0.12.0 (2026-06-20)

Features

• viewer: add view-aware help overlay (? button + key) (86b13cd)
• viewer: draw inherited key-inheritance lines in the graph (e2dd8a1)
• viewer: gate DD inherited lineage lines behind Shift (d605eba)
• viewer: make 100% zoom mean native 1:1 (97e67c7)
• viewer: route pinch and Cmd zoom to the canvas (085af25)
• viewer: separate overlapping spotlight connection lines (a61387f)
• viewer: set HTML title from model name (c31d7ea)
• viewer: single source-out arrow (DD) + shift+hover lineage (DG) (7e0098c)
• viewer: size DFD process nodes to their label (7458203)
• viewer: spotlight inherited 1:1 key-inheritance relationships (fdb1317)
• viewer: sync entity modal with URL history (86d81bc)
• viewer: three-tier focus opacity in the graph (1bbc402)
• viewer: transitive identity-group inheritance in DD spotlight (9842e19)

Bug Fixes

• viewer: lineage follows only primary-key (identifying) edges (3c1663a)
• viewer: remove leaked cytoscape-navigator cy listeners on teardown (2f6161f)

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[github-actions]

🤖 Created releases:

• v0.12.0

🌻