v0.6.93: schedules/mcp performance improvements, integration bugfixes

[icecrasher321]

improvement(agentphone): update logo and background color (#4753)
improvement(schedules): retries and concurrency limits (#4755)
fix(rate-limiter): hosted-key queue follow-up fixes (#4762)
improvement(mcp): bound MCP memory and lifecycle concurrency (#4751)
fix(tables): coerce row values to column types on write instead of failing; persist coerced values; normalize dates to ISO; guard invalid date coercion (#4761)
improvement(integrations): tighten sixtyfour, agentmail, and agentphone outputs; expose mediaUrls; remove invalid output properties (#4765)
feat(instantly): add block and trigger (#4763)
improvement(cron): fire-and-forget for cron-invoked endpoints (#4764)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		May 28, 2026 12:32am

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PR Summary

High Risk
Touches schedule claiming/retries, MCP auth and payload limits, and cron background execution—areas that affect reliability, security, and duplicate or missed runs if misconfigured.

Overview
This staging batch adds Instantly as a first-class integration (docs, icons, landing registry) and tightens integration validation docs so nested properties on outputs apply to tools only, not workflow block outputs.

MCP changes harden the workflow MCP serve path and admin APIs: bounded request/response sizes, paginated tools/list, duplicate tool-name detection, internal-token bridging instead of forwarding API keys, client disconnect handling, and capped JSON bodies on MCP management routes. Tool discovery refresh is concurrency-limited.

Schedules gain a much larger execution tick with infraRetryCount, claim/lock recovery, global concurrency caps, stale job recovery, and extensive tests; schedule disable/reactivate clears or resets queue-related fields appropriately.

Cron routes for Teams subscription renewal and inactivity-alert polling now return 202 quickly, use Redis locks, and run work in the background via runDetached. Minor fixes include safer error handling on the environment API route.

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