Release v0.16.3

Changes from 0.16.2 to 0.16.3

What's Changed

• refactor: split session-context reminder into agent-info + session-context by @devanshrj in #1078
• fix: use node:crypto import for Node 18 compatibility by @cpacker in #1083
• fix(permissions): keep bypassPermissions across transient retries by @paulbettner in #1080
• fix: discover skills installed as symlinks in ~/.letta/skills/ by @ZerubbabelT in #1053
• test(cli): cover permission mode pinning across pre-stream retries by @cpacker in #1084
• fix(resume): harden transcript backfill by @paulbettner in #1082
• fix: harden symlink skill discovery traversal by @cpacker in #1085
• fix(resume): preserve recency when injecting assistant anchor by @cpacker in #1086
• fix: use default conversation for freshly created subagents (LET-7643) by @cpacker in #1087
• feat: add /palace alias for Memory Palace by @cpacker in #1088
• feat: add plan viewer with browser preview (LET-7645) by @cpacker in #1089
• fix(sleeptime): trigger compaction reflection for legacy summary format by @cpacker in #1090
• fix: refresh model preset settings on resume by @jnjpng in #1052

Full Changelog: v0.16.2...v0.16.3