JSON-Rohbericht maschinenlesbar
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"oid": "b4d806b33fd4baaee8a24b2498e9745ad3430034",
"body": "Keeps the crate version aligned with the Go module's v2.0.0, now that\nthe Rust node speaks the same v2 wire protocol.",
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"headline": "chore(rust): bump crate version to 2.0.0",
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"body": "The event loop only handled CMD_EXPAND_READY, so a CMD_EXPAND_ERROR\nfrom the hub left the waiting oneshot sender in NodeState.waiters\nforever, hanging the write that triggered the expansion request.\nSwitches the waiter channel from Sender<()> to Sender<bool> so the\nevent loop can signal success or failure, mirroring the Go node's\nch <- true / ch <- false.",
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"headline": "fix(rust): propagate expansion errors to blocked writers",
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"body": "The Go hub moved to SOCK_SEQPACKET sockets with batched FD passing and\nbumped CONN_VERSION to 2, but the Rust node still spoke the old\nSOCK_STREAM protocol with a two-syscall handshake and CONN_VERSION 1 —\nmaking it unable to connect to the current Go hub at all. On\nSOCK_SEQPACKET a message and its \n[…]\nmessage loop around them. Also drops the\nsocket message type 5 handling (MsgTakeover), which doesn't exist in\nthe Go protocol — slot processing runs entirely off the shm control\nqueue, not the socket.",
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"headline": "fix(rust): port node to v2 unixpacket wire protocol",
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"body": "Go semantic import versioning requires major version 2+ to be\nreflected in the module path, so all imports move from\ngithub.com/nautrouds/mmfg to github.com/nautrouds/mmfg/v2.",
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"headline": "chore(module): bump module path to /v2 for v2.0.0",
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"body": "Centralize handshake/chunk/heartbeat/release message building and\nadd IsMMFG() connection sniffing; bump CONN_VERSION to 2.",
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"headline": "refactor(sync): extract message construction into message.go",
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"headline": "docs: drop sub-microsecond claim, refocus intro on zero-copy",
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"body": "waiters was sized [MaxTotalSlots]atomic.Pointer[chan error] but every\naccess site indexes it directly with slotID, which is 1-indexed and\ncan be exactly MaxTotalSlots -- h.waiters[MaxTotalSlots] was always\nout of bounds. Previously unreachable in practice because AllocSlot\nalways scanned from slot 1, so a serial alloc/free loop never got\npast slot 1; the rotating cursor from the AllocSlot change makes slot\nIDs cycle through the full range, hitting this within one test run.",
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"headline": "fix(hub): fix off-by-one in waiters array sizing",
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"body": "hub.go and node.go finished migrating to SendMsgWithFDs/\nReceiveMsgWithFDs; no remaining callers (verified via grep).",
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"headline": "refactor(netutil): remove unused SendFDs/ReceiveFDs",
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"body": "log.Printf(\"\") logged nothing, so a real handleMessage failure (as\nopposed to a normal disconnect) left no trace.",
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"headline": "fix(node): log the reason a connection's message loop exits",
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"body": "… loop to batched FD receive\n\nHandleConn's per-message loop moves into handleMessage(), which now\nreads a message's fds via a single ReceiveMsgWithFDs call instead of\nthe old one-fd-at-a-time ReceiveFDs(conn, 1) loop, matching\nsyncChunk's already-batched sends. loadSession() applies a handshake\nresu\n[…]\nup moves into a defer.\n\nAlso drops the log.Printf calls inside handshake()'s header/version\nchecks now that HandleConn logs the returned error itself -- keeping\nboth would double-log the same failure.",
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"body": "The short-header, nodeID-bounds, and fd-count checks added last commit\ncarried empty error strings, so any failure there was undiagnosable.",
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"headline": "fix(node): add descriptive handshake validation error messages",
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"body": "…D validation\n\nhandshake() now reads the header and all fds (nodeEv, hubEv, variable-length\nchunk list) via a single ReceiveMsgWithFDs call instead of a fixed\nio.ReadFull + ReceiveFDs(conn, 3), matching the batched send Hub.Dial\nalready does. Adds a short-header check and a nodeID bounds check, and\nreplaces the ad-hoc fd/chunk cleanup with defers. Validation error\nmessages are placeholders for now, filled in next commit.",
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"body": "Pure code motion: the handshake block (still the old fixed-3-fd,\none-message-at-a-time protocol) now lives in a standalone handshake()\nreturning a *nodeSession, instead of writing straight into Node\nfields. HandleConn just applies the result under n.mu. No behavior\nchange.",
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"body": "Signature-only change: Listen dials up a \"unixpacket\" listener,\nServe/HandleConn now work in terms of *net.UnixListener/*net.UnixConn\ninstead of the generic net.Listener/net.Conn interfaces. The handshake\nbody still speaks the old stream-socket protocol (io.ReadFull +\nnetutil.ReceiveFDs), which still compiles against *net.UnixConn but\nwon't interoperate with a unixpacket-speaking Hub until the following\ncommits land.",
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"headline": "feat(netutil): add batched SendMsgWithFDs/ReceiveMsgWithFDs",
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