Add remote troubleshoot button to v2 run view task window

[morgan-wowk]

Summary

• Adds a configurable execution action button to the task details panel in the run view.
• Button appears when an execution/task node is selected in the properties panel.
• Status-gated: immediately visible for CANCELLED, SYSTEM_ERROR, FAILED; visible after 5 minutes for PENDING/QUEUED (polled every 10 s, not on every render).
• Hidden on localhost/local environments. Hidden if window.__TANGLE_EXECUTION_ACTION__ config is absent.
• Clicking opens a modal for optional additional context; submit POSTs a structured payload to a configurable backend proxy endpoint.
• Animated success checkmark after submit.
• After submit, localStorage (keyed by runId + executionId) shows "session opened at [time]" instead of the button — prevents duplicate submissions.
• execution_url field in the payload uses existing ?nodeId=<task-name> deep-link support.
• OSS-friendly: button renders nothing if config is absent; Shopify provides config via window.__TANGLE_EXECUTION_ACTION__ injected from oasis-frontend.

Config shape (window.__TANGLE_EXECUTION_ACTION__)

{
  endpointUrl: string;   // proxy endpoint, e.g. "/api/integration/slack_workflow_trigger"
  workflowId: string;    // logical workflow ID, e.g. "inspect_with_river"
  buttonText: string;
  modalTitle?: string;
  modalDescription?: string;
  successTitle?: string;
  successMessage?: string;
  source?: string;
}

Payload sent to endpointUrl

{
  "workflow_internal_id": "<workflowId>",
  "webhook_payload": {
    "execution_id": "...",
    "user_email": "...",
    "pipeline_run_id": "...",
    "pipeline_run_url": "...",
    "execution_url": "https://...?nodeId=TaskName",
    "additional_comments": "...",
    "source": "tangle-ui"
  }
}

New files

• src/config/executionAction.ts — config type + Window augmentation
• src/utils/executionActionStorage.ts — localStorage tracking
• src/components/shared/ExecutionAction/ExecutionActionButton.tsx — main button with status/timer logic
• src/components/shared/ExecutionAction/ExecutionActionDialog.tsx — modal with input/submitting/success states

Modified files

• src/routes/v2/pages/RunView/nodes/TaskNode/context/RunViewTaskDetails.tsx — renders ExecutionActionButton above the Tabs

Test plan

• Select a FAILED task — button appears immediately
• Select a PENDING task — button hidden; appears after 5 min threshold
• Submit with additional context — success animation shown
• Re-select same task — "session opened at [time]" shown instead of button
• Open on localhost — button absent
• No window.__TANGLE_EXECUTION_ACTION__ set — button absent

[morgan-wowk]

• Add remote troubleshoot button to v1 run view task panel #2460
• Add remote troubleshoot button to v2 run view task window #2455 👈 (View in Graphite)
• master

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[github-actions]

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A preview build has been created at: execution-action-button/dc7beae