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Sanaei
c9e62451e6
A subscription outbound's tag must stay bound to the upstream server it was assigned to for as long as that server stays in the subscription; balancers and routing rules select by that tag. The identity used to recognise a server across refreshes included every query parameter. A 3x-ui upstream picks a random shortId and SNI of a reality inbound on every request (older releases a random spiderX too), so no reality link was ever recognised, the stable-tag reservation never engaged, and every tag was handed out by list position. Removing or inserting a server then re-pointed existing tags at other servers: sub-germany carried France, sub-sweden Germany, and Sweden became sub-sweden-1. The identity now ignores sid, sni and spx when security=reality, since none of them selects the server. TLS sni still counts: it can pick the backend behind a shared front. Two more paths broke the same rule: - A link repeated in one body (same identity, different remark) shared a single link_identities key, so both tags gained a -N suffix on every refresh. Repeats are now numbered. - Links the core rejects were dropped after tagging, so the stored list that drives positional reuse was shorter than the parsed one and a rotated server behind a dropped link took its neighbour's tag. The filter now runs first; a dropped link's warning names its remark instead of a tag it never used. A mapping an older build already swapped stays swapped: its stored identities no longer match, so positional reuse reproduces it. Deleting and re-adding the subscription reallocates the tags from the remarks. Closes #6556