docs(skills/email/himalaya): document v1.2.0 folder.aliases syntax - #19882
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The bundled himalaya skill documented folder aliases using a stale
TOML schema (`[accounts.NAME.folder.alias]`, singular) that himalaya
v1.2.0 silently ignores. The TOML parses without error, but the
alias resolver never reads the sub-section — every lookup then falls
through to the canonical folder name.
Source: in `pimalaya/core` (the `email-lib` crate himalaya v1.2.0
depends on, currently v0.27.0), `email/src/folder/config.rs` defines
`FolderConfig { aliases: Option<HashMap<String, String>>, ... }`
(plural, no `#[serde(rename)]`/`alias` aliases, no
`deny_unknown_fields`), and `account/config/mod.rs::get_folder_alias`
returns the input verbatim when no alias is found. So the singular
`alias` key deserializes to nothing and lookups silently fall
through.
On Gmail (where `sent` resolves to `[Gmail]/Sent Mail`, not `Sent`)
this means save-to-Sent fails *after* SMTP delivery already
succeeded, and `himalaya message send` exits non-zero. Any caller
(agent, script, user) that retries on that exit code will re-run
the entire send — including SMTP — producing duplicate emails to
recipients. Silent ignore + caller-level retry is significantly
worse than a config that just doesn't work.
This commit updates SKILL.md and references/configuration.md to the
v1.2.0 `folder.aliases.X` syntax (plural, dotted keys, directly
under the account section), adds a Gmail-specific block with the
`[Gmail]/Sent Mail`-style mapping, and adds notes on the failure
mode so future readers don't hit the same trap. SKILL.md version
bumped 1.0.0 → 1.1.0.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Salvage of #16091 by @stevenchanin onto current main.
Summary
Himalaya v1.2.0 silently ignores the pre-1.2
[accounts.NAME.folder.alias]sub-section (singularalias) syntax — TOML parses fine, but the alias resolver never reads the section. Gmail and similar non-canonical folder layouts ([Gmail]/Sent Mailetc.) are broken for any user who updated himalaya. Update the bundled skill to document the v1.2.0+ dotted-key syntax (folder.aliases.inbox = "INBOX") with a 'heads up' callout about the silent ignore, plus examples and areferences/configuration.mdupdate.Conflict resolution during salvage
Main's skill description differs from the PR branch; kept main's concise description and picked the PR's version bump (1.0.0 → 1.1.0) and content.
Changes
Original PR: #16091