[feat] intercept swap-unsupported data type commands - #456
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stream commands (XADD, XREADGROUP, XGROUP, XSETID, XACK, XCLAIM, XAUTOCLAIM, XDEL, XTRIM) operate on data types that swap does not support. Add a flag-based mechanism to intercept and count these commands with an operator-controlled opt-in switch. Flags (CMD_SWAP_HARD_BLOCKED, CMD_SWAP_OPT_IN) are parsed from sflags and recognized by module flags. Counters are exposed via swap.info output. Master propagates opt-in setting via swap.info. A swap.debug reset-cmd-stats command clears the counters. A new unit test (swap/unit/swap_unsupport_cmd) covers opt-in on/off, counter increment, reset, and swap.info output.
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stream commands (XADD, XREADGROUP, XGROUP, XSETID, XACK, XCLAIM, XAUTOCLAIM, XDEL, XTRIM) operate on data types that swap does not support. Add a flag-based mechanism to intercept and count these commands with an operator-controlled opt-in switch.
Flags (CMD_SWAP_HARD_BLOCKED, CMD_SWAP_OPT_IN) are parsed from sflags and recognized by module flags. Counters are exposed via swap.info output. Master propagates opt-in setting via swap.info.
A swap.debug reset-cmd-stats command clears the counters. A new unit test (swap/unit/swap_unsupport_cmd) covers opt-in on/off, counter increment, reset, and swap.info output.