[lmeyerov]

Summary

• Cut the unreleased two-product fixes into a focused 0.61.1 changelog section dated 2026-10-21.
• Preserve an empty Development section.
• Record the coordination-skill documentation introduced by docs: add planner and worker coordination skills #2206 as an internal documentation change.
• Do not bump package metadata in this PR; the annotated release tag drives the release version.

Release audit

• Base is merged combined master 5e533f671e7e4d39fc7626fd4a2cf5e6935e120e (tree df1286436ebdf8d77df7e430c6c0ea5108e32f6f).
• 0.61.0..base contains fix: preserve igraph collision attributes across round trips #2207 (compute_igraph: chaining two calls crashes when edges have a 'source' column ('DataFrame' object has no attribute 'dtype') — regression in 0.61.0 #2204), fix(gfql): preserve quoted ORDER BY aliases #2208 (GFQL Cypher: ORDER BY a backtick alias containing a space fails order_by validation #2205), docs: add planner and worker coordination skills #2206 coordination-skill documentation, and the fix(gfql): preserve quoted ORDER BY aliases #2208 CI-timeout adjustment.
• Product-facing release notes cover fix: preserve igraph collision attributes across round trips #2207/fix(gfql): preserve quoted ORDER BY aliases #2208. Coordination skills are listed under Documentation. The CI timeout is operational-only and omitted from user-facing notes.

Gates

• Combined-master CI run 39549035925, combined-master CodeQL 39549035911, and combined-master RTD build 35288034 are terminal SUCCESS.
• This PR notes-head CI 39549239847, CodeQL 39549239814, and RTD build 35288057 are terminal SUCCESS; planner source/scope review is accepted at the unchanged head. No tag, publication, or deployment occurs here.