feat(branding): Synteny rebrand — new identity, signal-coded palette, and pipeline icons

feat(seq-tools): share colored MSA viewer across BLAST job, alignment tool, report, shared and phylo surfaces

feat(alignment): show matched/mismatched/gaps/length stats across all alignment views via shared AlignmentStatsBar

refactor(icons): migrate lucide-react to @phosphor-icons/react, remove dep

feat(alignment): pairwise global/local alignment via BLAST hit 'Align pair' (3a)

feat(frontend): roll design-system classes across all dashboard pages + fix sidebar toggle alignment

feat: complete Phase 2 — API keys, share links, export, pipeline steps, guest upgrade

fix: default import PhyloTreeViewer in alignment, report, and PipelineResults

feat: in-memory pipeline v2 with MSA, phylo tree, domains; PipelineResults component; standalone phylo page; report page; wizard step checkboxes