v0.6.77: mothership improvements, trigger.dev telemetry

[icecrasher321]

• improvement(mothership): allow mship to send function execute timeout (improvement(mothership): allow mship to send function execute timeout #4581)
• feat(mothership): pin tasks to keep them at the top of the sidebar (feat(mothership): pin tasks to keep them at the top of the sidebar #4582)
• feat(mothership): add files to mship block (feat(mothership): add files to mship block #4584)
• feat(observability): export Trigger.dev telemetry to Grafana Cloud OTLP (feat(observability): export Trigger.dev telemetry to Grafana Cloud OTLP #4583)
• fix(otel): address staging pr comments for trigger otel (fix(otel): address staging pr comments for trigger otel #4586)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
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[cursor]

PR Summary

Medium Risk
Moderate risk due to a DB migration (copilot_chats.pinned) affecting task ordering plus new file-attachment materialization and timeout handling that touch execution/tool boundaries.

Overview
Mothership tasks can now be pinned end-to-end: adds copilot_chats.pinned (migration), returns it in /api/mothership/chats, sorts pinned-first, allows PATCH updates, and emits PostHog task_pinned/task_unpinned events; the sidebar adds a Pin/Unpin context-menu action, shows a pin indicator, and introduces an optimistic useSetTaskPinned mutation that preserves pinned ordering.

Mothership block execution now supports file attachments: the block schema adds files, the executor materializes referenced/uploaded files into base64 fileAttachments (size-capped) and forwards them through /api/mothership/execute (contract updated), with tests covering payload shaping.

Copilot tool execution adds function_execute timeout support: tool schemas expose timeout (seconds), and the tool executor converts/validates it to milliseconds for Copilot-initiated calls with a 10s default and a cap at DEFAULT_EXECUTION_TIMEOUT_MS.

Observability: extracts OTLP header parsing into lib/monitoring/otlp, adds optional Trigger.dev telemetry exporters (traces/logs/metrics) to Grafana OTLP when GRAFANA_OTLP_* env vars are fully set, and adds the needed OTLP exporter dependencies.

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[greptile-apps]

Greptile Summary

Review completed and submitted via the greptile-review MCP tools.

Confidence Score: 4/5

Safe to merge with minor schema and naming feedback.

All three features are well-tested and self-contained. The only notable gap is the optional source field in the file attachment schema, which could allow a malformed payload to pass validation and reach the Go backend.

apps/sim/lib/api/contracts/mothership-tasks.ts and apps/sim/hooks/queries/tasks.ts

_{Reviews (1): Last reviewed commit: "feat(observability): export Trigger.dev ..." | Re-trigger Greptile}