feat: sync test/devnet-e2e-sections-18-24 into v10-rc

[Jurij89]

Summary

• sync test/devnet-e2e-sections-18-24 into v10-rc after the earlier merge in test: add devnet e2e sections 18-24 covering V10 feature gaps #120
• bring in the later markdown/import follow-up work merged on the source branch
• carry the issue #123, #124, and #125 fixes that landed after v10-rc last merged this branch

Included work

• issue #123: broaden markdown extractor IRI handling to use the generic absolute-scheme + safety gate
• issue #124: remove the dead MarkdownExtractInput.now surface
• issue #125: add dkg:markdownForm linkage for the markdown bytes Phase 2 actually consumed

Compare notes

• current remote base: origin/v10-rc at baf4fdb (merge of test: add devnet e2e sections 18-24 covering V10 feature gaps #120)
• current remote head: origin/test/devnet-e2e-sections-18-24 at 53865c0
• changed files in this sync PR:
  • packages/cli/src/daemon.ts
  • packages/cli/src/extraction/markdown-extractor.ts
  • packages/cli/test/extraction-markdown.test.ts
  • packages/cli/test/import-file-integration.test.ts

Verification

• already verified on the source-branch issue PRs before merge:
  • pnpm exec vitest run test/extraction-markdown.test.ts
  • pnpm exec vitest run test/import-file-integration.test.ts