History of router 3 changes

In crates/spectra-mcp/src/api.rs, lines 24–41 on main. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 24,41:crates/spectra-mcp/src/api.rs.