fix(menubar): pin multi-argument catalog keys to positional specifiers

[ozymandiashh]

Closes #1331.

The drift class

LocalizationCatalogTests compared the specifier lists of each key across locales. A key whose placeholders are all %@ passed even when the Chinese value bound the arguments into the wrong slots — exactly what shipped in the three early-reset keys, caught only by rendering real data bilingually.

Catalogs

• All 42 multi-argument keys in both en and zh-Hans now use positional specifiers (%1$\@, %2$lld, …). String(format:) binds them identically to before, so rendered output is unchanged; the 60 call-site literals moved in lockstep with their keys.
• The parity check now compares slot → verb: Chinese word order may reorder slots freely (that is what positional form is for), while a slot changing type is still a failure.
• New test: any key with two or more arguments that is not positional, in either locale, fails with the offending tokens named.

Scanner

The source scanner stopped being blind to the three shapes the issue names — each puts copy on screen looking like machinery to a first-character check:

• ternary branches: Text(isEarly ? "Came early" : "On time")
• concatenation: .help(prefix + " and counting")
• a literal bound to a let and passed by name: let tip = "…" then .help(tip) (a binding whose right-hand side is L("…") is treated as routed)

Text(verbatim:) is the explicit do-not-localize opt-out and stays exempt. Running the new rules over mac/Sources surfaced exactly four real violations — the Text(usage.plan ?? "Kimi Code")-style provider fallbacks in HeatmapSection — now routed through the catalog as verbatim entries per the provider-names policy.

Verification

This host cannot run swift test (no Testing module in the CLT toolchain), so beyond swift build:

• a standalone swiftc harness exercises the scanner's old and new rules against snippets plus the real mac/Sources tree (9/9 pass, 0 findings on the tree)
• a python replica of the catalog tests validates key parity, en identity, positional form, slot parity, %% parity, and that every L(…) key exists in the table (all pass; 623 keys per locale, 623 requested keys)

CI (swift test --package-path mac) is the authoritative gate.

[github-actions]

Closing for now: you already have 9 pull requests open (#940, #1013, #1326, #1339, #1347, #1351, #1352, #1364, #1365), and we review at most 5 per contributor at a time. Reopen this one when one of them is merged or closed. Issues are always welcome.

[iamtoruk]

Merged as #1435 (your commit rebased onto main, authorship unchanged). Verified by rendering every multi-argument string in both languages against main: no visible change. Thanks.