[Bug] Image prompt improvement produces degraded results compared to previous implementation

Bug Description
very poor performance on improving an image prompt with several failures to which reverting back to the old code was far better than anything the "improvements" did

Environment Info

• Platform: win32
• Terminal: null
• Version: 2.1.220
• Feedback ID: 96ce3ffc-b74b-4a46-94ac-0706be8d9be0

Errors

[{"error":"TelemetrySafeError: VirtualMessageList: itemKeys/messages length desync (keys=101 messages=100 range=[43,101))\n    at Gzb (B:/~BUN/root/src/entrypoints/cli.js:21739:8188)\n    at Hhf (B:/~BUN/root/src/entrypoints/cli.js:21739:1103)\n    at no (B:/~BUN/root/src/entrypoints/cli.js:2061:21369)\n    at DA (B:/~BUN/root/src/entrypoints/cli.js:2061:40466)\n    at q3 (B:/~BUN/root/src/entrypoints/cli.js:2061:51400)\n    at Mne (B:/~BUN/root/src/entrypoints/cli.js:2061:89060)\n    at ULe (B:/~BUN/root/src/entrypoints/cli.js:2061:88007)\n    at Wge (B:/~BUN/root/src/entrypoints/cli.js:2061:87827)\n    at nQ (B:/~BUN/root/src/entrypoints/cli.js:2061:84091)\n    at Rt (B:/~BUN/root/src/entrypoints/cli.js:2061:6668)","timestamp":"2026-07-27T18:12:13.047Z"}]