Sandbox+image link pilot

Test A — basic Decko wiki-link with external URL + text

Plain: GitHub

Test H — Decko-native link with em-dash annotation

GitHub — canonical upstream (does this survive auto-linkifier?)

Test I — Decko-native link inside li with annotation

• GitHub — canonical upstream
• GitHub — chaining inference engine

Test J — Decko-native link, parens annotation

GitHub (canonical upstream LLM-driven NL to logic)

Test K — control: explicit anchor with em-dash annotation (Phase B failure case)

GitHub — canonical upstream