feat(rivetkit): add actor scheduling

[NathanFlurry]

No description provided.

[NathanFlurry]

Stack for rivet-dev/rivet

• #5452 refactor(rivetkit): expose schedule intervals as durations
• #5450 perf(rivetkit): index named queue reads
• #5449 refactor(rivetkit): use unitless schedule duration names
• #5451 perf(rivetkit): bound queue reads and history pruning
• #5448 refactor(rivetkit): collapse unpublished internal schema
• #5446 refactor(rivetkit): centralize internal sqlite storage
• #5445 test(rivetkit): simplify sqlite efficiency coverage
• #5443 perf(rivetkit): verify and optimize internal sqlite queries
• #5427 fix(rivetkit): clean up cron history efficiently
• #5439 docs(rivetkit): remove redundant overdue schedule note
• #5440 docs(rivetkit): use scheduling code snippets
• #5442 fix(rivetkit): configure inspector protocol versions
• #5441 feat(rivetkit): add actor scheduling 👈
• main

Get stack: forklift get 5441
Push local edits: forklift submit
Merge when ready: forklift merge 5441

_{change qmyvxlll}

[railway-app]

🚅 Deployed to the rivet-pr-5441 environment in rivet-frontend

Service	Status	Web	Updated (UTC)
frontend-cloud	😴 Sleeping (View Logs)	Web	Jul 19, 2026 at 10:37 pm
kitchen-sink	😴 Sleeping (View Logs)	Web	Jul 19, 2026 at 10:36 pm
frontend-inspector	😴 Sleeping (View Logs)	Web	Jul 19, 2026 at 10:33 pm
website	😴 Sleeping (View Logs)	Web	Jul 19, 2026 at 10:33 pm
ladle	✅ Success (View Logs)	Web	Jul 19, 2026 at 10:27 pm
mcp-hub	✅ Success (View Logs)	Web	Jul 19, 2026 at 10:25 pm