* fix: imported changes were not mergeable
now the small encoding size is supported in example
* fix: stupid err in richtext checkout
* fix: rle oplog encode err
- support pending changes
- start counters were wrong
* feat: tree state
* feat: tree value
* feat: tree handler
* fix: tree diff
* test: fuzz tree
* feat: tree snapshot
* fix: tree default value
* fix: test new node
* fix: tree diff
* fix: tree unresolved value
* fix: tree fuzz
* fix: tree fuzz move
* fix: sort by tree id
* fix: tree diff sorted by lamport
* fix: sort roots before tree converted to string
* fix: rebase main
* fix: tree fuzz
* fix: delete undo
* fix: tree to json children sorted
* fix: diff calculate
* fix: diff cycle move
* fix: tree old parent cache
* feat: cache
* fix: local op add tree cache
* fix: don't add same tree move to cache
* fix: need update cache
* feat: new cache
* bench: add checkout bench
* chore: clean
* fix: apply node uncheck
* perf: lamport bound
* fix: calc old parent
* feat: tree wasm
* fix: change tree diff
* fix: tree diff retreat
* fix: tree diff should not apply when add node
* feat: new tree loro value
* chore: typo
* fix: tree deep value
* fix: snapshot tree index -1
* fix: decode tree snapshot use state
* fix: release state lock when emit event
* fix: tree node meta container
* fix: need set map container when covert to local tree op
* fix: tree value add deleted
* fix: more then one op in a change
* fix: tree fuzz deleted equal
* fix: tree calc min lamport
* feat: tree encoding v2
* doc: movable tree
* fix: test tree meta
* test: remove import bytes check
* refactor: diff of text and map
* refactor: del span
* perf: tree state use deleted cache
* fix: some details
* fix: loro js tree create
* feat: add un exist tree node
* bench: tree depth
* fix: check out should emit event
* refactor: event
* fix: fuzz err
* fix: pass all tests
* fix: fuzz err
* fix: list child cache err
* chore: rm debug code
* fix: encode enhanced err
* fix: encode enchanced
* fix: fix several richtext issue
* fix: richtext anchor err
* chore: rm debug code
* fix: richtext fuzz err
* feat: speedup text snapshot decode
* perf: optimize snapshot encoding
* perf: speed up decode & insert
* fix: fugue span merge err
* perf: speedup delete & id cursor map
* fix: fugue merge err
* chore: update utils
* fix: fix merge
* fix: return err apply op
* fix: fix merge
* fix: get map container as tree meta
* feat: checkout to frontiers
* feat: record timestamp
* fix: use unicode len by default for text
now "你好" has length of 2 instead of 6
* chore: rm dbg!
