SSBC-EM1.3: We can demo SSBC with minimal-but-working functionality

Created by: eseliger

Figma Sketches

Roughly ordered in terms of priority:

• #23032 (closed) @courier-new
• #23661 @courier-new
• #23597 (closed) Superseeded by #24421 (closed)
• #23641 (closed)
• https://github.com/sourcegraph/sourcegraph/pull/23547 @mrnugget
• Log stdout/stderr of commands in src-cli https://github.com/sourcegraph/src-cli/pull/597 @mrnugget
  • Display output in web UI Delayed until #24421 (closed)
• “Preview” repository resolving (on create batch spec execution page, show how many repositories the current spec input would run over, maybe: allow to remove single repositories [add -r flag]) (Show at least one advantage of SSBC over src CLI workflow)
  • Put resolve repos logic from src-cli in backend @eseliger
  • Move resolve workspaces step into backend @eseliger https://github.com/sourcegraph/sourcegraph/pull/24496
  • Change API to expose workspaces, not repos @eseliger https://github.com/sourcegraph/sourcegraph/pull/24496
  • Display proper workspaces in UI @eseliger https://github.com/sourcegraph/sourcegraph/pull/24496
  • Expose ignored, unsupported repos in API @eseliger https://github.com/sourcegraph/sourcegraph/pull/24546
  • Make ignored, unsupported repos accessible in web UI @eseliger https://github.com/sourcegraph/sourcegraph/pull/24546