b2de25ff99
Solution Design for Feature #43 (F11): the F10 review preview's header gains a Pin baseline button and a single adaptive Ask Claude button (Edit Selection / Edit Document) beside the existing annotations checkbox, plus a minimal right-click gateway that opens the preview. Three forks locked in brainstorming session 0036: - block-level preview-selection -> source mapping (data-src on blocks from BlockWithRange; union of intersected live-source blocks) - document edit diffed into per-hunk F4 proposals (no model change) - #43 lands a minimal editor/title -> Open Review Preview gateway (#41/#42 expand the menus) Reuses F4 propose/F3 attribution/F6 baseline seams; sealed webview posts intent only (INV-35/36/37). Resolves the orphaned pinDiffBaseline reachability gap. Submitted to the content repo at finalize. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>