Fixes#1672 - self-hosted supermemory-server 0.0.8 returns 404 for
POST /v3/documents/documents. All graph/context callers now try the
rich endpoint first, then fallback to documented POST /v3/documents/list
and normalize { memories } to { documents }.
- apps/memory-graph-playground/src/app/api/graph/route.ts: fallback + normalize
- apps/mcp/src/server/client/index.ts: getDocuments fallback + map to DocumentsApiResponse
- apps/sdk-playground/src/lib/context-api.ts + python/server.py: same fallback for container context
- apps/memory-graph-playground/src/app/page.tsx: persist API key in localStorage so Bearer auth is sent on non-localhost hosts
- apps/docs/integrations/memory-graph.mdx: update examples to /list with normalization
