Refactor panes and filesystem; replace FUSE with 9P

Consolidate pane, layout, memory and host code. Serve 9P by default over Unix sockets, with runtime mounts and optional TCP/QUIC transports. Remove FUSE and obsolete proof-of-concept examples.

Fix highlighting and terminal-history performance, expand differential and stress-test infrastructure, sort navigation results while preserving the next occurrence, add syntax-colored Braille minimaps, remove SPC-k, and document 9P interaction as a repository skill.

1 files changed, 14 insertions, 14 deletions

diff --git a/src/tty/panel_compositor.zig b/src/tty/panel_compositor.zig
index 2ca0263e..9363841a 100644
--- a/src/tty/panel_compositor.zig
+++ b/src/tty/panel_compositor.zig
@@ -7,10 +7,10 @@
 
 const std = @import("std");
 const pardes = @import("../pardes.zig");
-const panel_animation = @import("../panel_animation.zig");
+const layout = @import("../layout.zig");
 
-const Box = panel_animation.Box;
-const Track = panel_animation.Track;
+const Box = layout.Box;
+const Track = layout.Track;
 
 /// Kitty placements cannot be resampled through the character-grid transform.
 /// Keep their transmitted pixels cached, but omit the placement while its pane
@@ -77,7 +77,7 @@ pub fn compose(
     // Stable layout motion first, newly opening panels above it, and closing
     // tombstones last. A closing pane no longer owns input or canonical cells,
     // but its frozen old content remains the top visual until it slides out.
-    for ([_]panel_animation.Phase{ .moving, .opening, .closing }) |phase| {
+    for ([_]layout.Phase{ .moving, .opening, .closing }) |phase| {
         for (tracks) |track| {
             if (!drawable(source, track) or track.phase != phase) continue;
             switch (track.effect) {
@@ -139,7 +139,7 @@ fn dissolve(out: *pardes.Surface, source: *const pardes.Surface, track: Track) v
         var x = area.x0;
         while (x < area.x1) : (x += 1) {
             if (!source.panelCellChanged(x, y)) continue;
-            if (panel_animation.dissolveRevealed(
+            if (layout.dissolveRevealed(
                 track.serial,
                 x - area.x0,
                 y - area.y0,
@@ -339,7 +339,7 @@ test "TTY content effects never touch cells outside the published diff" {
     var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
     defer arena.deinit();
 
-    for ([_]panel_animation.Transition{ .ascii, .dissolve }) |effect| {
+    for ([_]layout.Transition{ .ascii, .dissolve }) |effect| {
         const track: Track = .{
             .serial = 17,
             .effect = effect,
@@ -366,7 +366,7 @@ test "content transition without a diff snaps to canonical surface" {
     var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
     defer arena.deinit();
 
-    for ([_]panel_animation.Transition{ .dissolve, .ascii, .vertical }) |effect| {
+    for ([_]layout.Transition{ .dissolve, .ascii, .vertical }) |effect| {
         const track: Track = .{
             .effect = effect,
             .phase = .opening,
@@ -391,7 +391,7 @@ test "exact transition endpoint preserves the canonical cursor" {
     };
     const track: Track = .{
         .effect = .ascii,
-        .frame = panel_animation.Transition.ascii.frames() - 1,
+        .frame = layout.Transition.ascii.frames() - 1,
         .from = .{ .w = 1, .h = 1 },
         .to = .{ .w = 1, .h = 1 },
     };
@@ -431,7 +431,7 @@ test "vertical opening rises through a fixed old-grid clip" {
         .serial = 5,
         .phase = .opening,
         .effect = .vertical,
-        .from = panel_animation.openingBox(.vertical, target, 3),
+        .from = layout.openingBox(.vertical, target, 3),
         .to = target,
     };
 
@@ -485,7 +485,7 @@ test "vertical closing drops frozen content over canonical cells" {
         .phase = .closing,
         .effect = .vertical,
         .from = old_box,
-        .to = panel_animation.closingBox(.vertical, old_box),
+        .to = layout.closingBox(.vertical, old_box),
     };
 
     const first = try compose(arena.allocator(), &surface, &.{track}, null);
@@ -530,13 +530,13 @@ test "closing content paints after opening content regardless of track order" {
         .phase = .closing,
         .effect = .vertical,
         .from = box,
-        .to = panel_animation.closingBox(.vertical, box),
+        .to = layout.closingBox(.vertical, box),
     };
     const opening: Track = .{
         .serial = 2,
         .phase = .opening,
         .effect = .ascii,
-        .frame = panel_animation.Transition.ascii.frames() - 1,
+        .frame = layout.Transition.ascii.frames() - 1,
         .from = box,
         .to = box,
     };
@@ -691,8 +691,8 @@ test "active panel transition hides only its own native attachment" {
     const tracks = [_]Track{
         .{ .serial = 41, .effect = .slide, .frame = 0 },
         .{ .serial = 42, .effect = .ascii, .frame = 0 },
-        .{ .serial = 43, .effect = .zoom, .frame = panel_animation.Transition.zoom.frames() - 1 },
-        .{ .serial = 44, .effect = .zoom, .frame = panel_animation.Transition.zoom.frames() },
+        .{ .serial = 43, .effect = .zoom, .frame = layout.Transition.zoom.frames() - 1 },
+        .{ .serial = 44, .effect = .zoom, .frame = layout.Transition.zoom.frames() },
         .{ .serial = 45, .phase = .opening, .effect = .vertical, .frame = 0 },
     };