[docs] split the json frame mapping out of the chunk event format

[docs] split the /stream chunk format from the chunk api and reword the page

[api] serve on a unix socket systemd passed in for the bind path

[stream] read the compatibility archive after history

[db] format a DbTid without going through chars

[db] build a record key in one allocation

[star] add cpu and allocation benchmarks

[star] read pairs into one reused buffer

[star] write a pair's head in one call when the key is short

[stream] write chunks as STAR archives

[star] add a crate for DASL's STAR archives

[tests] list Commit::rebase's default in the representation inventory

[docs] update agents md pr clause

[stream] accept a #commit without rebase

[stream] drop a firehose that stops answering pings

[stream] time out a firehose connect that never finishes

[firehose] keep retrying offline hosts instead of giving up

[crawler] count rewalks by listRepos bytes, not walks

[config] add REWALK_MB

[config] add REWALK_WINDOW

[crawler] end a listRepos walk at any cursor it already saw

[crawler] cap a listRepos page at 512 KiB and the repos we asked for

[docs] describe refetch budgets and rewalking newer repos

[crawler] resync repos a rewalk finds at a newer rev

[ingest] cap refetches per host too

[ingest] limit how often a peer can make us refetch a repo

[config] add REPO_REFETCH_LIMIT and REPO_REFETCH_WINDOW

[db] keep a refetch allowance per repo

[ingest] ignore a #sync that doesn't move the rev forward

[crawler] don't trust listed revs from the future

[examples] load /stream from chunks or from 0 with n subscribers at once

[stream] seal /stream into chunks a subscriber can start from

[tests] list the rewalk boundaries in the representation inventory

[api] serve on a listener systemd passed in for the bind address

[api] close streams with 1012 when hydrant stops

[docs] describe what requestcrawl does for each kind of host

[crawler] rewalk a followed pds that asks for a crawl and resync its stuck repos

[crawler] wake the backfill worker when a listing queues a backfill

[crawler] resync known repos a newly followed pds lists at a newer rev

[deps] remove glob, hex, and humantime dependencies

[deps] remove iroh-car, axum-tws, fluent-uri, and nohash-hasher

[xrpc] remove jacquard-api and jacquard-derive dependencies

[mst] replace jacquard-repo with in-tree mst and commit implementation

[backfill] verify blocks off-shard and skip redundant step lookups

[mst] inline mst keys, decode into scratch, and cut sparse scan allocations

[backfill] encode step and scan invariants in types

[backfill] enforce mst key order and ancestor bounds in sparse scans

[db] read staged heads across record writes in a txn

[backfill] walk the mst while a filtered car streams

[bench] add allocation and stage cpu benchmarks