fix: address the user the way he asked, and greet him in his language

[luca-71]

Three complaints from one Italian session — "why does it call me by another name?", "I keep hearing English and then immediately Italian", "it often doesn't understand when I call it" — and three separate causes.

Stacked on #22. The localised greeting needs the SPEECH_LANG setting that PR introduces. Review #22 first.

He was called the wrong thing

HONORIFIC was written to .env, served by the preferences API, and offered as a dropdown in the settings panel. Nothing ever read it. The prompt hardcoded:

- Address {user_name} as "sir" naturally

So the dropdown was decorative. And in Italian the model translated that "sir" freely, settling on "signora" — addressing him with a feminine honorific, 5 times out of 5, while his configuration said sir.

The honorific is now a prompt variable, and the language directive states it must be reproduced letter for letter rather than translated or inflected for gender.

Where that instruction lives turned out to matter. In the personality section it was ignored 5/5. Moved into the language block appended at the end, it holds 5/5. Measured both ways round, so the fix is not merely "it stopped saying signora":

configured	before	after
sir	"signora" 5/5	"sir" 5/5
signore	"signore" 5/5	"signore" 5/5

The panel field also becomes free text with suggestions. It offered sir, ma'am and none — so signore was not expressible in the first place, and no amount of prompt work would have helped.

The greeting arrived in English

greeting = "Good evening, sir."

Hardcoded, sent on connect. Every Italian session therefore opened in English and switched language on the very next sentence — exactly the "first English, then immediately Italian" the user described. It is the one line heard every single time.

Now built from a small table covering the languages the panel offers, falling back to English for anything else. Thirty short strings, bounded — not an attempt to solve the wider hardcoded-string problem.

It could not hear its own name

An Italian recogniser mangles an English name. From the logs, where he was plainly saying JARVIS:

User: arbiss
User: e gli arbis
User: hey Yaris

Added to the existing correction table — taken from real transcripts rather than invented.

yaris is corrected only when preceded by a term of address. It is also a very common Toyota, and the obvious bare rule rewrote "la mia auto Yaris" into a summons. Verified in both directions, including that arbitro, arbitri and arbitrario pass through untouched — the word-boundary anchors hold.

Testing

pytest tests/ gives 35 passed, 8 failed — identical to this branch's base, so no regressions. The 8 pre-existing failures are unrelated: 7 need playwright install, and test_browse_action_keywords imports ACTION_KEYWORDS, a symbol that no longer exists in server.py. tsc --noEmit clean.

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