Changes touching this path

• key management on the site: a key can be retired by itself, named, and chosen at unlock. per the operator grill on #2398 (ADR 0100): POST /api/identity/retire retires one key of the signed-in account, refusing the last live key under the account-row lock registration takes and never re-dating a retirement, with no route to un-retire and no deletion, since #506 keeps every key resolvable; /account lists live keys and folds retired ones under a collapsed section, and the retire confirmation names the repos the key owns. names live in a new owner-only account_key_label table (migration 0027) that only forge_identity reaches, trimmed, at most 40 characters, with control, line-separator and direction characters refused and a CHECK repeating the cap; they reach only /account, the unlock picker and the private bar, always beside the fingerprint. the unlock picker lists every live key, defaulting to the key that owns the URL namespace, then the key this device last unlocked, then the only live key, and a key with no stored passphrase asks for its 24 words and can save one. both routes are Bearer only and refuse a key of another account; /api/identity/me stops returning the internal tenant id. rebased by hand over migration 0026 and ADR 0099. pg tests pin the role reach, route and picker tests pin the rules, each red under a named mutation; bash ci/local.sh green against Postgres 18 (4568 passed), site gate 842 passed. owes the setup-forge tripwire update, a forge deploy, then a site deploy (#2398) a90c85fb · dbf3dbe6…

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.