pathways: no dead-end directions while photos remain - server extends short walks with library ids to 60 entries, client falls back to any remaining unplaced photo when a direction's walk is exhausted

1 files changed, 7 insertions, 1 deletions

diff --git a/server.mjs b/server.mjs
index b73c44e..f03eace 100644
--- a/server.mjs
+++ b/server.mjs
@@ -137,11 +137,17 @@ async function load() {
       usedNext.add(nextId)
       const wi = walk.indexOf(nextId)
       const rot = wi > 0 ? walk.slice(wi).concat(walk.slice(0, wi)) : walk
+      const li = library.ids.indexOf(pid)
+      const ext = rot.slice()
+      for (let k = 1; ext.length < 60 && k < library.ids.length; k++) {
+        const wid = library.ids[(li + k) % library.ids.length]
+        if (wid !== pid && !ext.includes(wid)) ext.push(wid)
+      }
       list.push({
         dir: DIRS[i],
         path: { type: p.type, name: p.name, count: p.count },
         nextId,
-        walk: rot,
+        walk: ext,
       })
     }
     exits.set(pid, list)