Update

impr: support filter meg from repl, and other little changes

refa: re-org the files, and preserve v03 impl for now

fix: tool name

Merge branch 'main' into use_react_direct

fix: router with react

fix: tool desc

impr: use pure create_react_agent

impr: a little refac

impr: use chain instead of wrapper node for subgragh; support runnable for instrus; ctx var update back, et.

fix: stream iter with debug and subgraph

fix: align client to repl

add: swarm's logo

impr: add personal shopping example, and a bunch of changes

drop