Tech unlocks + a unit tech-gate referenced ids absent from the loaded set:
- improvement renames (techs used stale ids): irrigation_channel→irrigation,
stone_road→road, fortress→fort
- improvement refs with no existing target removed: orchard, aqueduct_channel,
bridge, fishing_boats (no such improvement is authored)
- flight units (dwarf_gyrocopter/iron_hawk/mithril_hawk) exist + their unlock
techs are in-scope, but weren't in the manifest's units subscription → added
- dwarf_master_engineer.tech_required deep_engineering (nonexistent) → total_war
(its grand_engineer upgrade-from's gate, which is subscribed)
GUT: test_data_integrity 0 dangling refs (724 passing / 2 failing).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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