Hongming Wang 46a8d24b2d feat(workspace): persist CP-returned EC2 instance_id on provision ... Foundation for the EIC-based terminal handler (#1528). The tenant's workspace-server needs to map workspace_id → EC2 instance_id to open an SSH session, but CPProvisioner.Start returned the instance id only for logging — it was never written anywhere. This PR adds the column and writes it at provision time. Scope kept intentionally small: no terminal code yet. The follow-up PR will consume this column from the terminal handler. What's here: - migrations/038_workspace_instance_id — nullable TEXT column on workspaces, partial index on non-null for fast lookup - workspace_provision.go — UPDATE after CPProvisioner.Start; failure logs but doesn't fail provisioning (row just lacks instance_id and terminal falls back to the existing not-reachable error) - docs/infra/workspace-terminal.md — full design for the terminal flow: EIC vs SSM comparison, IAM policy JSON, SG rules, key lifetime, failure modes, rollout checklist Refs: #1528 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>		2026-04-21 17:56:15 -07:00
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workspace-terminal.md	feat(workspace): persist CP-returned EC2 instance_id on provision	2026-04-21 17:56:15 -07:00