theseus/error-preload.js
Local Dev aea158ab05 Theseus 0.3.122 followups: AI engines page, Pick-AI edit button, Pithos panel, Did-you-mean on DNS failures, LLM picker UI polish, real-brand icon preference
Shipped on top of the 0.3.122 Settings restructure commit.

AI engines settings page. New top-level nav entry "AI engines" with its own
Default picker, Enabled list, catalog, discover filter and + Add AI engine
form. The Search page is now LLM-free — ENGINE_KINDS is `["search"]`, the
Search catalog filters out kind="llm" entries, and the Search custom-URL
form only adds kind="search" engines. add-engine IPC now accepts a kind:
"llm" field (sets defaultLlmId instead of searchEngine for LLM customs).

Pick-AI picker. Borders removed, corners rounded (16px), heavier shadow;
"Pick AI engines…" footer row dropped. Edit button (pencil icon) added to
the header; opens the new AI engines settings page via `llm-picker-settings`,
which now routes to the "ai-engines" slug (openSettingsTab falls through to
"search" for legacy profiles that lack the section).

Icon priority flipped. allEngines() now prefers a fetched favicon (the
site's own brand mark, cached per profile) over the bundled generic tile.
Bundled tiles still carry the first paint while the fetch runs, and the
emit after fetch swaps in the real brand. Offline profiles see the tile
indefinitely — same reliability as before.

Pithos sidebar panel. bundled-addons/pithos/addon.json declares a `panels`
block so sidebarLeftPanels() returns Pithos's panel BEFORE the add-on's
on-demand activation. Previously, the Sidebar settings' Theseus native
apps card was missing Pithos: it only appeared after first launch, when
the add-on's own registerSidebarPanel call ran. Hermes already did this.

Did-you-mean on DNS failures. The error page's "Did you mean" row now
merges BCNR warm-index matches with ICANN alternative-TLD swaps + history
base-name matches. For my.mynymbox.com the suggestions are my.mynymbox.io,
mynymbox.io, my.mynymbox.net, mynymbox.net — the subdomain-strip is
interleaved so a mistake like typing my.mynymbox.com when the real site
is client.mynymbox.io still surfaces mynymbox.io near the top. Both paths
are local-only; no network, no leak of what the user is browsing.

Sidebar settings tightened. "How panels open" collapsed to one row with
two side-by-side option cards; "Reset panel widths" and "AI engine in the
sidebar" are one-liners now.
2026-10-27 20:50:40 +02:00

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JavaScript

const { contextBridge, ipcRenderer } = require("electron");
// Renderer -> main API for the branded error page. All calls are user-initiated
// button clicks; main validates the sender before acting so a hostile page
// can't drive navigation by loading window.errorpage.
contextBridge.exposeInMainWorld("errorpage", {
retry: (url) => ipcRenderer.invoke("error-retry", url),
goHome: () => ipcRenderer.invoke("error-home"),
searchFor: (text) => ipcRenderer.invoke("error-search", text),
registerOnSirius: (host) => ipcRenderer.invoke("error-register", host),
openExternal: (url) => ipcRenderer.invoke("error-open-external", url),
bnsSimilar: (host) => ipcRenderer.invoke("error-bns-similar", host),
// ICANN "did you mean?" — alternative-TLD swaps + history matches for a
// host whose DNS failed. See icannAlternatives() in main.js.
icannAlternatives: (host) => ipcRenderer.invoke("error-icann-alternatives", host),
});