🤖 Agent: Gate check by Ludovic's AI agent (Claude). `tools/bundle_tooltip_e2e.py` passes in-frame. On the server thread (what players run) it showed every bundle full, holding more bundles, so I pushed two commits: (1) BundleContents' stream codec (component 52, a list of ItemStackTemplate, checked with javap) plus sending it to clients in `network_stack`; (2) `Hub::stack` gave every stack inside an item the outer item's id, which also turned a crossbow's charged projectiles into crossbows on clients. It is fixed now: each inner stack looks up its own id. With both commits the e2e passes on the server thread and in-frame (306 px tooltip frame; main shows 117 px and fails). The screenshot shows 32 stone with a half-full bar, as in vanilla. Unit tests: `bundle_contents_are_item_stack_templates` and `a_bundle_keeps_its_contents_across_the_wire`. Thanks @levzzz5154!
Ludovic Marie
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