Spine v3.52.0

What's Changed

Other changes

• SSPN-79: blast_radius and explain_symbol list the docs that describe a symbol (+ B39 phantom doc sections) by @ssmith-synaptixs in #486
• SSPN-81: expand ${VAR} in mcp.json headers and url by @ssmith-synaptixs in #487
• SSPN-80: orchestrator mcp ingest-docs — Confluence/Jira docs into the blast radius by @ssmith-synaptixs in #488
• SSPN-82: RAG over MCP — any RAG server's chunks in the blast radius by @ssmith-synaptixs in #489
• fix(sdlc): codegen edits only what the ticket is about (B44, SSPN-89) by @ssmith-synaptixs in #490
• fix(codegen): refine may fix lint in the tests it wrote, never drop their asserts (B47, SSPN-93) by @ssmith-synaptixs in #491
• chore(release): cut 3.52.0 by @ssmith-synaptixs in #492
• test: clear the CodeQL notes blocking the 3.52.0 promotion by @ssmith-synaptixs in #493
• Release 3.52.0: promote develop to main by @ssmith-synaptixs in #494

Full Changelog: v3.51.1...v3.52.0