Press-and-hold peeks a segment — the tooltip, for hands without a mouse

The same 450ms hold that peeks a square now works on walls, doors, and
fire walls: the segment's full description (state, lock, hitpoints, the
fire's burn warning) rises in the peek scrim. Shimmering illusions keep
their richer tap modal.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0138A8CjeQRpvzKxuMfz1Bqc

packages/web/src/Board.svelte

@@ -26,6 +26,7 @@
     onWarpClick,
     onCellPeek,
     onIllusionClick,
+    onEdgePeek,
     markedCell = null,
     markedCells = null,
     litCells = null,
@@ -47,6 +48,8 @@
     onCellPeek?: (cell: { x: number; y: number }) => void;
     /** Tap on a shimmering (untested) illusion wall: offer the belief test. */
     onIllusionClick?: (cell: { x: number; y: number }, side: Side) => void;
+    /** Press-and-hold a wall/door/fire segment: its tooltip, for touch. */
+    onEdgePeek?: (tip: string) => void;
     /** First square of a two-square spell: marked so the click reads as taken. */
     markedCell?: { x: number; y: number } | null;
     /** A multi-square placement in progress (boobytrap tokens), in click
@@ -387,7 +390,7 @@
   <!-- walls & doors & firewalls -->
   {#each edges as e (`${e.kind}:${e.x},${e.y}`)}
     {#if e.state === "firewall"}
-      <FirewallEdge x={e.x} y={e.y} kind={e.kind === "V" ? "V" : "H"} />
+      <FirewallEdge x={e.x} y={e.y} kind={e.kind === "V" ? "V" : "H"} onpeek={onEdgePeek} />
     {:else}
       {@const lockTitle = e.lock === "removed" ? "lock removed — swings free"
         : e.lock === "jammed" ? "lock jammed — sealed for good"
@@ -396,7 +399,8 @@
       <EdgeGlyph x={e.x} y={e.y} kind={e.kind === "V" ? "V" : "H"}
         state={e.state === "door" ? "door" : "wall"}
         lock={(e.lock ?? null) as "removed" | "jammed" | "held" | "ajar" | null}
-        title={lockTitle} damage={view.wallDamage[`${e.kind}:${e.x},${e.y}`] ?? 0} />
+        title={lockTitle} damage={view.wallDamage[`${e.kind}:${e.x},${e.y}`] ?? 0}
+        onpeek={onEdgePeek} />
     {/if}
   {/each}