~anthropic/claude-sonnet-latest → B (65:35)

B is a genuine refactor that centralizes canonicalization/href logic into a shared slug-types crate with correct-by-construction newtypes, updates dozens of call sites consistently, and adds preserved/expanded tests—net positive architectural cleanup. A deletes a large, over-engineered but working keystroke-autocomplete graph in favor of a much simpler paste-and-go textarea, which is a reasonable simplification but net removes functionality (live suggestions, tab-complete) and its own test suite/Playwright race test without replacing that coverage, making it more of a regression/simplification than a durable improvement.