feat(slack): show Agent Run progress via thread status

[skrishnan22]

Summary

• Replace Slack live run cards with assistant.threads.setStatus so the thread shows the current Agent Run step (Codevil is editing code — login.ts...) until the final reply posts.
• Keep questions, approvals, and the final Assistant Reply as messages. Heartbeat status before Slack’s 2-minute timeout. Stop retrying on permanent Slack errors; no card fallback.

Test plan

• pnpm --filter @codevil/worker test
• In a Slack thread, mention Codevil and confirm status updates while the Agent Run is in progress
• Confirm the updating card no longer appears
• Confirm the final reply still posts and clears status
• Confirm question/approval messages still appear

[greptile-apps]

Greptile Summary

This PR replaces Slack live-run cards with heartbeat-driven assistant thread statuses, preserves final replies and interactive question messages, and adds free-form question answering through Slack modals.

• Projects current Agent Run activity into bounded Slack thread-status text.
• Retries transient status failures and stops after recognized permanent failures.
• Routes modal answers through the existing session-scoped question-answer boundary.
• Currently introduces an unresolved type import that prevents the worker from building.

Confidence Score: 4/5

The PR is not safe to merge until the worker’s unresolved notification-delivery.js import is removed or implemented.

The thread-status implementation currently references a source module that does not exist, causing module resolution and worker build/type-check failure; no additional concrete security or runtime defects were established.

Files Needing Attention: packages/worker/src/integrations/slack/live-run-card.ts

Important Files Changed

Filename	Overview
packages/worker/src/integrations/slack/live-run-card.ts	Replaces live-card lifecycle management with thread-status updates and heartbeats, but imports a missing notification-delivery module.
packages/worker/src/integrations/slack/actions.ts	Adds validated free-form modal metadata, parsing, opening, submission, actor resolution, and original-message updates.
packages/worker/src/integrations/slack/routes.ts	Routes signed free-form modal interactions through background processing while preserving existing action handling.
packages/worker/src/orchestrator/question-answer.ts	Extends the integration question boundary to support validated free-form answers and open-question lookup.
packages/worker/src/integrations/slack/client.ts	Adds request timeouts and the assistant thread-status API helper.

Sequence Diagram

sequenceDiagram
  participant Slack
  participant Routes as Slack Routes
  participant Orch as Orchestrator
  participant Status as LiveRunCardCoordinator

  Slack->>Routes: Mention Codevil
  Routes->>Orch: Submit Agent Run
  Orch->>Status: Agent lifecycle event
  Status->>Slack: assistant.threads.setStatus
  loop Every 90 seconds while active
    Status->>Slack: Refresh current status
  end
  Orch->>Slack: Question or approval message
  Slack->>Routes: Option action or modal submission
  Routes->>Orch: Answer session-scoped question
  Orch->>Slack: Final assistant reply

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_{Reviews (1): Last reviewed commit: "feat(slack): show Agent Run progress via..." | Re-trigger Greptile}

[greptile-apps]

Missing delivery module

This import references ../notification-delivery.js, but no corresponding source module exists. TypeScript therefore cannot resolve DeliveryState, causing the worker build and type-check to fail. Remove the unused delivery callback path or add and wire the intended module.