v0.6.13

• chore(main): release 0.6.13
• fix: extend tester structured generation timeouts
• fix(server): serialize async config registry updates
• fix(server): preflight profile variant config updates
• fix(server): drain removed profile variants during config apply
• fix(sie-mcp): chunk GLiNER extract/redact for large docs; flag the other 4B
• feat(sie-mcp): per-tool GPU routing and env-overridable GLiNER models
• docs(sie-mcp): add the Obsidian contract-graph example
• fix(server): tighten profile variant reconciliation
• fix(server): preserve profile variants during config reconcile
• fix(gateway): retry failed payload cleanup deletes
• fix(gateway): dedupe offloaded payload cleanup keys
• fix(gateway): track exact offloaded payload keys
• docs(sie-mcp): use the rendered Excalidraw PNG for the architecture diagram
• docs(sie-mcp): replace the ASCII architecture sketch with an Excalidraw diagram
• docs(sie-mcp): accessible README intro; drop the redundant product page
• fix(sie-mcp): bound text offload inputs
• feat(sie-mcp): integrate managed plugin skills