Let the pi<->mempalace bridge connect to a shared MemPalace over HTTP instead
of always spawning a local mempalace-mcp:
- Extract IMcpClient; rename McpClient -> StdioMcpClient (ctor command, arg-less start()).
- Add RemoteMcpClient (vendored from pi-extensions/mcp-loader.ts): streamable-HTTP
with AbortController timeouts, protocolVersion pinned 2024-11-05, alive/ensureAlive.
mempalace-mcp --transport http is sessionless JSON-RPC today; session/SSE/404
branches retained for a future streamable-HTTP server.
- createClient() selects transport from MEMPALACE_REMOTE_URL; MEMPALACE_REMOTE_TOKEN
-> Authorization: Bearer. Lifecycle automation (wake-up, /mempalace-diary) unchanged.
- scripts/check-mcp-client-sync.sh: drift guard vs canonical mcp-loader.ts.
- README: document local-vs-external transport.
Typechecks clean (strict); both transports smoke-tested against live mempalace-mcp.
pi
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