spotify-player: slow the startup retry loop instead of multiplying it

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

home-manager/fred.nix

@@ -84,10 +84,20 @@ in
       # The loop breaks on the first success, so a bigger bound costs nothing.
       # The CLI is no help here: `connect --name` resolves names against the Web
       # API device list, which doesn't contain the integrated device at all.
+      #
+      # Widen it by slowing the delay rather than by adding rounds: each round
+      # costs up to three Web API calls, and we now share the bundled client ID
+      # with every other spotify-player/ncspot user, so 60 one-second rounds was
+      # ~180 requests per launch into a shared rate-limit bucket (429s). 12
+      # rounds five seconds apart covers the same 60s for a fifth of the calls.
+      # Both loops in this file are `for _ in 0..5` / `from_secs(1)`; the leading
+      # indentation is what pins each replacement to initialize_playback.
       postPatch = (old.postPatch or "") + ''
         substituteInPlace spotify_player/src/client/mod.rs \
           --replace-fail "                for _ in 0..5 {" \
-                         "                for _ in 0..60 {"
+                         "                for _ in 0..12 {" \
+          --replace-fail "                let delay = std::time::Duration::from_secs(1);" \
+                         "                let delay = std::time::Duration::from_secs(5);"
       '';
     });
     settings = {