Move looking out of pardes.zig into look.zig

Pure move, no behaviour change (acme keeps this in look.c): expanding the
word under a click (ExpandedWord, expandedWord, expandedSel, cursorWordSel),
the n/N walk (LookFrom, lookEdge, lookStand, lookWalkPanes, lookPast,
wholeRowSpan, lookSpanIn, lookWalk, landLookSpot, noteLookSource,
armLookWalk), search results (Search, SearchStart, submitSearch,
lookFirstHit, runSearch, searchStep, jumpResult), the look-hover preview
(LookHoverWait, LookHoverPreview, FileWordSpan, PdfWordPreview,
invalidateLookHover, cancelLookHover, lookHoverPane, noteLookHover,
refreshLookHoverFromRaw, advanceLookHover) and lookAt with its targets
(focusPaneLine, selectSpan, openPaneTarget, focusPaneByPath,
clearNavigationSelection, resolveLookTarget, locationText,
canonicalLookLocation, pdfLinkLocation, followPdfLink), with five tests, go
verbatim to the end of look.zig after its word and target resolution.

The methods become free functions taking `p: *Pardes`; their 143 call sites
change from `p.lookAt(..)` to `look.lookAt(p, ..)` (tests reach them as
`pardes.look.x`). Inside look.zig the moved code's `look.` prefix drops.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/test/fs_namespace.zig b/test/fs_namespace.zig
index ec94b509..470615c9 100644
--- a/test/fs_namespace.zig
+++ b/test/fs_namespace.zig
@@ -224,7 +224,7 @@ test "virtual file opens do not request OS watches" {
 test "Look at a virtual file opens one pane and failed opens release their slot" {
     const p = try pardes.Pardes.init(std.testing.allocator, .{ .tty_only = true });
     defer p.deinit();
-    p.lookAt(0, "/virtual/index");
+    pardes.look.lookAt(p, 0, "/virtual/index");
     var opened: usize = 0;
     for (p.panes) |slot| {
         const pane = slot orelse continue;